From 697402da24ca930b3608359a61b9872fdddc62d9 Mon Sep 17 00:00:00 2001 From: Michael DeHaan Date: Thu, 7 Feb 2008 12:08:55 -0500 Subject: [PATCH] Starting off the certmaster tree with most of the func code, shortly non-certmaster related parts will be removed, and other small parts added/tweaked --- LICENSE | 340 ++++++ MANIFEST | 92 ++ MANIFEST.in | 10 + README | 6 + certs/master-keys.py | 44 + certs/slave-keys.py | 92 ++ docs/.gitignore | 2 + docs/Makefile | 7 + docs/certmaster-ca.pod | 41 + docs/certmaster.pod | 29 + docs/func-inventory.pod | 70 ++ docs/func.pod | 111 ++ docs/funcd.pod | 25 + etc/certmaster.conf | 7 + etc/func_rotate | 19 + etc/minion.conf | 8 + etc/sample.acl | 5 + func/CommonErrors.py | 69 ++ func/Makefile | 24 + func/SSLCommon.py | 121 ++ func/SSLConnection.py | 165 +++ func/__init__.py | 0 func/certmaster.py | 247 ++++ func/certs.py | 139 +++ func/codes.py | 25 + func/commonconfig.py | 15 + func/config.py | 478 ++++++++ func/forkbomb.py | 153 +++ func/jobthing.py | 204 ++++ func/logger.py | 76 ++ func/minion/AuthedXMLRPCServer.py | 140 +++ func/minion/Makefile | 24 + func/minion/__init__.py | 0 func/minion/codes.py | 29 + func/minion/module_loader.py | 118 ++ func/minion/modules/Makefile | 18 + func/minion/modules/__init__.py | 0 func/minion/modules/certmaster.py | 65 ++ func/minion/modules/command.py | 44 + func/minion/modules/copyfile.py | 109 ++ func/minion/modules/filetracker.py | 192 +++ func/minion/modules/func_module.py | 76 ++ func/minion/modules/func_module.py.orig | 65 ++ func/minion/modules/hardware.py | 130 +++ func/minion/modules/jobs.py | 36 + func/minion/modules/mount.py | 84 ++ func/minion/modules/nagios-check.py | 34 + func/minion/modules/netapp/README | 8 + func/minion/modules/netapp/TODO | 5 + func/minion/modules/netapp/__init__.py | 0 func/minion/modules/netapp/common.py | 49 + func/minion/modules/netapp/snap.py | 49 + func/minion/modules/netapp/vol/__init__.py | 128 ++ func/minion/modules/netapp/vol/clone.py | 46 + func/minion/modules/networktest.py | 64 + func/minion/modules/process.py | 216 ++++ func/minion/modules/process.py.orig | 221 ++++ func/minion/modules/reboot.py | 21 + func/minion/modules/rpms.py | 44 + func/minion/modules/service.py | 88 ++ func/minion/modules/smart.py | 47 + func/minion/modules/snmp.py | 38 + func/minion/modules/sysctl.py | 31 + func/minion/modules/test.py | 29 + func/minion/modules/virt.py | 277 +++++ func/minion/modules/yumcmd.py | 50 + func/minion/server.py | 285 +++++ func/minion/sub_process.py | 1221 ++++++++++++++++++++ func/minion/utils.py | 207 ++++ func/overlord/.forkbomb.py.swp | Bin 0 -> 16384 bytes func/overlord/Makefile | 18 + func/overlord/__init__.py | 0 func/overlord/__init__.pyc | Bin 0 -> 121 bytes func/overlord/client.py | 336 ++++++ func/overlord/client.pyc | Bin 0 -> 8199 bytes func/overlord/cmd_modules/__init__.py | 0 func/overlord/cmd_modules/__init__.pyc | Bin 0 -> 133 bytes func/overlord/cmd_modules/call.py | 114 ++ func/overlord/cmd_modules/call.pyc | Bin 0 -> 2900 bytes func/overlord/cmd_modules/copyfile.py | 73 ++ func/overlord/cmd_modules/listminions.py | 51 + func/overlord/cmd_modules/ping.py | 69 ++ func/overlord/cmd_modules/show.py | 99 ++ func/overlord/command.py | 287 +++++ func/overlord/command.pyc | Bin 0 -> 7962 bytes func/overlord/forkbomb.pyc | Bin 0 -> 4418 bytes func/overlord/func_command.py | 71 ++ func/overlord/func_command.pyc | Bin 0 -> 2451 bytes func/overlord/groups.py | 95 ++ func/overlord/groups.pyc | Bin 0 -> 2550 bytes func/overlord/highlevel.py | 40 + func/overlord/inventory.py | 191 +++ func/overlord/jobthing.pyc | Bin 0 -> 2762 bytes func/overlord/modules/netapp.py | 82 ++ func/overlord/sslclient.py | 50 + func/overlord/sslclient.pyc | Bin 0 -> 2449 bytes func/overlord/test_func.py | 61 + func/utils.py | 73 ++ init-scripts/certmaster | 112 ++ init-scripts/funcd | 115 ++ nothing | 1 - scripts/Makefile | 20 + scripts/certmaster | 11 + scripts/certmaster-ca | 92 ++ scripts/func | 14 + scripts/func-create-module | 79 ++ scripts/func-inventory | 8 + scripts/funcd | 10 + setup.py | 73 ++ version | 1 + 110 files changed, 9157 insertions(+), 1 deletion(-) create mode 100644 LICENSE create mode 100644 MANIFEST create mode 100644 MANIFEST.in create mode 100644 README create mode 100644 certs/master-keys.py create mode 100644 certs/slave-keys.py create mode 100644 docs/.gitignore create mode 100755 docs/Makefile create mode 100644 docs/certmaster-ca.pod create mode 100644 docs/certmaster.pod create mode 100644 docs/func-inventory.pod create mode 100644 docs/func.pod create mode 100644 docs/funcd.pod create mode 100644 etc/certmaster.conf create mode 100644 etc/func_rotate create mode 100644 etc/minion.conf create mode 100644 etc/sample.acl create mode 100644 func/CommonErrors.py create mode 100755 func/Makefile create mode 100644 func/SSLCommon.py create mode 100644 func/SSLConnection.py create mode 100644 func/__init__.py create mode 100755 func/certmaster.py create mode 100644 func/certs.py create mode 100755 func/codes.py create mode 100644 func/commonconfig.py create mode 100644 func/config.py create mode 100644 func/forkbomb.py create mode 100644 func/jobthing.py create mode 100755 func/logger.py create mode 100644 func/minion/AuthedXMLRPCServer.py create mode 100755 func/minion/Makefile create mode 100644 func/minion/__init__.py create mode 100755 func/minion/codes.py create mode 100755 func/minion/module_loader.py create mode 100755 func/minion/modules/Makefile create mode 100644 func/minion/modules/__init__.py create mode 100644 func/minion/modules/certmaster.py create mode 100644 func/minion/modules/command.py create mode 100644 func/minion/modules/copyfile.py create mode 100644 func/minion/modules/filetracker.py create mode 100644 func/minion/modules/func_module.py create mode 100644 func/minion/modules/func_module.py.orig create mode 100644 func/minion/modules/hardware.py create mode 100644 func/minion/modules/jobs.py create mode 100644 func/minion/modules/mount.py create mode 100644 func/minion/modules/nagios-check.py create mode 100644 func/minion/modules/netapp/README create mode 100644 func/minion/modules/netapp/TODO create mode 100644 func/minion/modules/netapp/__init__.py create mode 100644 func/minion/modules/netapp/common.py create mode 100644 func/minion/modules/netapp/snap.py create mode 100644 func/minion/modules/netapp/vol/__init__.py create mode 100644 func/minion/modules/netapp/vol/clone.py create mode 100644 func/minion/modules/networktest.py create mode 100644 func/minion/modules/process.py create mode 100644 func/minion/modules/process.py.orig create mode 100644 func/minion/modules/reboot.py create mode 100644 func/minion/modules/rpms.py create mode 100644 func/minion/modules/service.py create mode 100644 func/minion/modules/smart.py create mode 100644 func/minion/modules/snmp.py create mode 100644 func/minion/modules/sysctl.py create mode 100644 func/minion/modules/test.py create mode 100644 func/minion/modules/virt.py create mode 100644 func/minion/modules/yumcmd.py create mode 100755 func/minion/server.py create mode 100644 func/minion/sub_process.py create mode 100755 func/minion/utils.py create mode 100644 func/overlord/.forkbomb.py.swp create mode 100755 func/overlord/Makefile create mode 100644 func/overlord/__init__.py create mode 100644 func/overlord/__init__.pyc create mode 100755 func/overlord/client.py create mode 100644 func/overlord/client.pyc create mode 100644 func/overlord/cmd_modules/__init__.py create mode 100644 func/overlord/cmd_modules/__init__.pyc create mode 100644 func/overlord/cmd_modules/call.py create mode 100644 func/overlord/cmd_modules/call.pyc create mode 100644 func/overlord/cmd_modules/copyfile.py create mode 100644 func/overlord/cmd_modules/listminions.py create mode 100644 func/overlord/cmd_modules/ping.py create mode 100644 func/overlord/cmd_modules/show.py create mode 100644 func/overlord/command.py create mode 100644 func/overlord/command.pyc create mode 100644 func/overlord/forkbomb.pyc create mode 100644 func/overlord/func_command.py create mode 100644 func/overlord/func_command.pyc create mode 100644 func/overlord/groups.py create mode 100644 func/overlord/groups.pyc create mode 100644 func/overlord/highlevel.py create mode 100755 func/overlord/inventory.py create mode 100644 func/overlord/jobthing.pyc create mode 100644 func/overlord/modules/netapp.py create mode 100755 func/overlord/sslclient.py create mode 100644 func/overlord/sslclient.pyc create mode 100755 func/overlord/test_func.py create mode 100755 func/utils.py create mode 100755 init-scripts/certmaster create mode 100755 init-scripts/funcd delete mode 100644 nothing create mode 100755 scripts/Makefile create mode 100755 scripts/certmaster create mode 100755 scripts/certmaster-ca create mode 100755 scripts/func create mode 100755 scripts/func-create-module create mode 100755 scripts/func-inventory create mode 100755 scripts/funcd create mode 100644 setup.py create mode 100644 version diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..08ddefd --- /dev/null +++ b/LICENSE @@ -0,0 +1,340 @@ + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. 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See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +Also add information on how to contact you by electronic and paper mail. + +If the program is interactive, make it output a short notice like this +when it starts in an interactive mode: + + Gnomovision version 69, Copyright (C) year name of author + Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, the commands you use may +be called something other than `show w' and `show c'; they could even be +mouse-clicks or menu items--whatever suits your program. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the program, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the program + `Gnomovision' (which makes passes at compilers) written by James Hacker. + + , 1 April 1989 + Ty Coon, President of Vice + +This General Public License does not permit incorporating your program into +proprietary programs. If your program is a subroutine library, you may +consider it more useful to permit linking proprietary applications with the +library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. + diff --git a/MANIFEST b/MANIFEST new file mode 100644 index 0000000..a1ab323 --- /dev/null +++ b/MANIFEST @@ -0,0 +1,92 @@ +AUTHORS +LICENSE +README +setup.py +version +docs/.gitignore +docs/Makefile +docs/certmaster-ca.1.gz +docs/certmaster-ca.pod +docs/certmaster.1.gz +docs/certmaster.pod +docs/func-inventory.1.gz +docs/func-inventory.pod +docs/func.1.gz +docs/func.pod +docs/funcd.1.gz +docs/funcd.pod +etc/certmaster.conf +etc/func_rotate +etc/minion.conf +etc/sample.acl +func/CommonErrors.py +func/SSLCommon.py +func/SSLConnection.py +func/__init__.py +func/certmaster.py +func/certs.py +func/codes.py +func/commonconfig.py +func/config.py +func/forkbomb.py +func/jobthing.py +func/logger.py +func/utils.py +func/minion/AuthedXMLRPCServer.py +func/minion/__init__.py +func/minion/codes.py +func/minion/module_loader.py +func/minion/server.py +func/minion/sub_process.py +func/minion/utils.py +func/minion/modules/__init__.py +func/minion/modules/certmaster.py +func/minion/modules/command.py +func/minion/modules/copyfile.py +func/minion/modules/filetracker.py +func/minion/modules/func_module.py +func/minion/modules/hardware.py +func/minion/modules/jobs.py +func/minion/modules/mount.py +func/minion/modules/nagios-check.py +func/minion/modules/networktest.py +func/minion/modules/process.py +func/minion/modules/reboot.py +func/minion/modules/rpms.py +func/minion/modules/service.py +func/minion/modules/smart.py +func/minion/modules/snmp.py +func/minion/modules/sysctl.py +func/minion/modules/test.py +func/minion/modules/virt.py +func/minion/modules/yumcmd.py +func/minion/modules/netapp/__init__.py +func/minion/modules/netapp/common.py +func/minion/modules/netapp/snap.py +func/minion/modules/netapp/vol/__init__.py +func/minion/modules/netapp/vol/clone.py +func/overlord/__init__.py +func/overlord/client.py +func/overlord/command.py +func/overlord/func_command.py +func/overlord/groups.py +func/overlord/highlevel.py +func/overlord/inventory.py +func/overlord/sslclient.py +func/overlord/test_func.py +func/overlord/cmd_modules/__init__.py +func/overlord/cmd_modules/call.py +func/overlord/cmd_modules/copyfile.py +func/overlord/cmd_modules/listminions.py +func/overlord/cmd_modules/ping.py +func/overlord/cmd_modules/show.py +func/overlord/modules/netapp.py +init-scripts/certmaster +init-scripts/funcd +po/messages.pot +scripts/certmaster +scripts/certmaster-ca +scripts/func +scripts/func-create-module +scripts/func-inventory +scripts/funcd diff --git a/MANIFEST.in b/MANIFEST.in new file mode 100644 index 0000000..bc0e08b --- /dev/null +++ b/MANIFEST.in @@ -0,0 +1,10 @@ +include version +recursive-include etc * +recursive-include docs * +recursive-include init-scripts * +recursive-include po *.po +recursive-include po *.pot +include AUTHORS +include LICENSE +include README + diff --git a/README b/README new file mode 100644 index 0000000..6db886c --- /dev/null +++ b/README @@ -0,0 +1,6 @@ +func - Fedora unified Network Controller? + +https://hosted.fedoraproject.org/projects/func/ + +Source: http://git.fedoraproject.org/hosted/func.git/ + diff --git a/certs/master-keys.py b/certs/master-keys.py new file mode 100644 index 0000000..2c3f6e5 --- /dev/null +++ b/certs/master-keys.py @@ -0,0 +1,44 @@ +#!/usr/bin/python -tt +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Library General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +# Copyright (c) 2007 Red Hat, inc +#- Written by Seth Vidal skvidal @ fedoraproject.org + +import sys +import os +import os.path +import func.certs + + +cadir = '/etc/pki/func/ca' +ca_key_file = '%s/funcmaster.key' % cadir +ca_cert_file = '%s/funcmaster.crt' % cadir + + +def main(): + keypair = None + try: + if not os.path.exists(cadir): + os.makedirs(cadir) + if not os.path.exists(ca_key_file): + func.certs.create_ca(ca_key_file=ca_key_file, ca_cert_file=ca_cert_file) + except: + return 1 + + return 0 + + +if __name__ == "__main__": + sys.exit(main()) + diff --git a/certs/slave-keys.py b/certs/slave-keys.py new file mode 100644 index 0000000..8ddae81 --- /dev/null +++ b/certs/slave-keys.py @@ -0,0 +1,92 @@ +#!/usr/bin/python -tt +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Library General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +# Copyright (c) 2007 Red Hat, inc +#- Written by Seth Vidal skvidal @ fedoraproject.org + +import sys +import os +import os.path +import xmlrpclib +import time + +from exceptions import Exception + +import func.certs + + +def submit_csr_to_master(csr_file, master_uri): + # get csr_file + # submit buffer of file content to master_uri.wait_for_cert() + # wait for response and return + fo = open(csr_file) + csr = fo.read() + s = xmlrpclib.ServerProxy(master_uri) + + return s.wait_for_cert(csr) + + + +def main(cert_dir, master_uri): + keypair = None + key_file = '%s/slave.pem' % cert_dir + csr_file = '%s/slave.csr' % cert_dir + cert_file = '%s/slave.cert' % cert_dir + ca_cert_file = '%s/ca.cert' % cert_dir + + try: + if not os.path.exists(cert_dir): + os.makedirs(cert_dir) + if not os.path.exists(key_file): + keypair = func.certs.make_keypair(dest=key_file) + if not os.path.exists(csr_file): + if not keypair: + keypair = func.certs.retrieve_key_from_file(key_file) + csr = func.certs.make_csr(keypair, dest=csr_file) + except Exception, e: # need a little more specificity here + print e + return 1 + + result = False + while not result: + result, cert_string, ca_cert_string = submit_csr_to_master(csr_file, master_uri) + print 'looping' + time.sleep(10) + + + if result: + cert_fo = open(cert_file, 'w') + cert_fo.write(cert_string) + cert_fo.close() + + ca_cert_fo = open(ca_cert_file, 'w') + ca_cert_fo.write(ca_cert_string) + ca_cert_fo.close() + + return 0 + + +if __name__ == "__main__": + if len(sys.argv[1:]) > 0: + cert_dir = sys.argv[1] + else: + cert_dir = '/etc/pki/func' + + if len(sys.argv[1:]) > 1: + master_uri = sys.argv[2] + else: + master_uri = 'http://localhost:51235/' + + sys.exit(main(cert_dir, master_uri)) + diff --git a/docs/.gitignore b/docs/.gitignore new file mode 100644 index 0000000..46952a3 --- /dev/null +++ b/docs/.gitignore @@ -0,0 +1,2 @@ +# ignore compressed man pages +*.gz diff --git a/docs/Makefile b/docs/Makefile new file mode 100755 index 0000000..ede53b5 --- /dev/null +++ b/docs/Makefile @@ -0,0 +1,7 @@ + + +clean:: + @rm -fv *.pyc *~ .*~ *.pyo + @find . -name .\#\* -exec rm -fv {} \; + @rm -fv *.rpm + @rm -fv *.gz diff --git a/docs/certmaster-ca.pod b/docs/certmaster-ca.pod new file mode 100644 index 0000000..fce3f73 --- /dev/null +++ b/docs/certmaster-ca.pod @@ -0,0 +1,41 @@ +=head1 NAME + +certmaster-ca -- signs certificate requests gathered by certmaster. + +=head1 SYNOPSIS + +certmaster-ca --list + +certmaster-ca --sign machine.example.org + +=head1 DESCRIPTION + +"certmaster-ca --list" + +The list command prints all certificates that have been requested from certmaster by a remote +service (such as funcd) but are not yet signed. + +func commands can't be sent to a remote machine until the certificates have been signed. + +"certmaster-ca --sign [hostname]" + +This command is used to sign a certificate and send it back to the requester. + +=head1 AUTO-SIGNING + +The certmaster can be configured to make this command unneccessary; all incoming +requests can be signed automatically by certmaster. + +To configure this, edit /etc/func/certmaster.conf. + +=head1 ADDITONAL RESOURCES + +See https://hosted.fedoraproject.org/projects/func/. It's a Wiki. + +See also the manpages for "func", "func-inventory", "funcd", and "certmaster". + +=head1 AUTHOR + +Various. See https://hosted.fedoraproject.org/projects/func + + diff --git a/docs/certmaster.pod b/docs/certmaster.pod new file mode 100644 index 0000000..92f5074 --- /dev/null +++ b/docs/certmaster.pod @@ -0,0 +1,29 @@ +=head1 NAME + +certmaster -- hands out certificates to funcd and other components. + +=head1 SYNOPSIS + +certmaster (it's a daemon and takes no arguments) + +=head1 DESCRIPTION + +See https://hosted.fedoraproject.org/projects/func/ + +Certmaster is run on the master-control machine on a network being +controlled by func. It hands out certificates to machines running +funcd. + +Certmaster is configured by /etc/func/certmaster.conf + +=head1 ADDITONAL RESOURCES + +See https://hosted.fedoraproject.org/projects/func/. It's a Wiki. + +See also the manpages for "func", "func-inventory", "funcd", "certmaster-ca". + +=head1 AUTHOR + +Various. See https://hosted.fedoraproject.org/projects/func + + diff --git a/docs/func-inventory.pod b/docs/func-inventory.pod new file mode 100644 index 0000000..cfe362d --- /dev/null +++ b/docs/func-inventory.pod @@ -0,0 +1,70 @@ +=head1 NAME + +func-inventory -- Takes inventory of data from func minions, and stores them in git. + +=head1 SYNOPSIS + +func-inventory [--verbose] [--server-spec glob] [--methods list] [--modules list] [--tree path] [--no-git] + +=head1 DESCRIPTION + +func-inventory runs against func-minions to gather information, and stores this information on the filesystem, in a tree arranged by hostname, module name, and method name. + +After each update, differences are commited to version control (using git), where they can be examined with tools such as "git log" and "gitk". + +=head1 --verbose + +Provides extra output about what func-inventory is doing. + +=head1 --server-spec + +A glob, as can be given to "func", that describes what machines the inventory program should run against. The default is "*". + +=head1 --modules list + +A comma-seperated list of modules that should be included in the inventory, for instance "hardware,packages". +The default is "all". + +=head1 --methods list + +A comma-seperated list of methods that should be included in the inventory, for each module being queried. The default +is "info", which saves the data for any module that has an "info" method. + +=head1 --tree-path + +Selects the location where func-inventory will output data. The default is /var/lib/func/inventory. This directory will +contain a tree structure based on the hostnames, modules, and methods included in the inventory. + +=head1 --no-git + +Disables git integration, meaning changes will not be tracked using version control. This option is present +for those that do not have the "git-core" package installed, though installing it is highly recommended to get +the full degree of power out of func-inventory. + +=head1 VIEWING CHANGES + +Since func-inventory integrates with git, all changes to the remote systems (including additions of new systems) can +be tracked using standard git-tools such as "git log" and "gitk", when run on the directory specified for --tree. + +Additional built in hooks to notify changes can be written using git's own trigger mechanism, though something +more specific to func will likely be developed in the future -- also eliminating the need to grok git internals. + +=head1 ALTERNATIVE OUTPUT FORMATS + +func-inventory can be passed a --json or --xmlrpc parameter to override the default output format. These +output formats are much less readable in the git-produced diffs, but are more easily loaded by other programs +that may want to "mine" the output of a func-inventory tree. Using --json requires that the python-simplejson +RPM be installed. + +=head1 ADDITONAL RESOURCES + +See https://hosted.fedoraproject.org/projects/func/ for more information. + +See also the manpages for "func", "funcd", "certmaster", and "certmaster-ca". + +=head1 AUTHOR + +Michael DeHaan + + + diff --git a/docs/func.pod b/docs/func.pod new file mode 100644 index 0000000..5ee594b --- /dev/null +++ b/docs/func.pod @@ -0,0 +1,111 @@ +=head1 NAME + +Func -- Fedora Unified Network Controller. + +=head1 SYNOPSIS + +func "*" list_minions + +func target.example.org call module method [args ...] + +func "target*.example.org" call module method [args ...] + +func "webserver1;mailserver2" call module method [args ...] + +=head1 DESCRIPTION + +"func" allows remote control of machines running funcd (called "minions") +that are set to obey this machine (called the "overlord"). This includes +performing various remote operations and gathering data. + +"func" can address multiple machines at the same time by specifying +their names with globs, which follow shell glob syntax. + +See the project homepage (below) for a list of modules available +and a more in-depth description of what each of them do. + +=head1 THE "CALL" MODULE + +The "call" module is used for running func modules remotely. + +Format: func "*.example.org" call [ args ... ] + +=head1 LISTING REMOTE MODULES AVAILABLE + +It's possible to ask func minions what modules they have installed: + +func "*.example.org" call system list_modules + +=head1 LISTING REMOTE FUNCTIONS AVAILABLE IN A MODULE + +It is also possible to ask remote func modules what functions they support: + +func target.example.org call modulename list_methods + +=head1 CALLING A REMOTE COMMAND + +Once you have the name of a module you want to run, use call to invoke it: + +func target.example.org call modulename methodname + +=head1 OUTPUT FORMATS + +The "call" command by default outputs data using a "pretty printer". Other +display options include --raw, --json, and --xmlrpc, which may be more +desirable if you are running func inside another script or prefer to read +those display formats. + +Example: func "*" call --json service inventory + + +=head1 HELPER MODULES + +In addition to "call", there are other modules that make control of remote +machines, as well as data display, more user friendly. They augment "call" +by providing some additional functionality. + +You will notice that the syntax for using one of these helper modules +varies slightly from just using "call" directly. + +For example "show" can be used to show remote data. The normal command "func '*' +command would dump a very large amount of data, while the show command can mine +only a few details. This might make things more readable, for instance, when +not going through the Python API (where you would not care). + +func "*.example.org" show hardware --help + +func "*.example.org" show hardware systemMemory + +func "*.example.org" show hardware os + +Another useful helper command module is copyfile, which allows func to work like scp from +the shell, though it can address multiple systems at the same time. + +The following example pushes one file out to multiple systems: + +func "*.example.org" copyfile --file=/tmp/foo --remotepath=/tmp/foo + +While these helper modules will grow over time, usage of "call" syntax +directly is fine also. See the Wiki for more examples as they evolve. + +=head1 --verbose + +Use this flag to output extra information from func while it is running. +All func commands can take this flag. + +=head1 EXIT_STATUS + +Func commands have return values that vary based on the module being +called. See the project page (linked below) for more information. + +=head1 ADDITONAL RESOURCES + +See https://hosted.fedoraproject.org/projects/func/ for more information, including information on scripting func from Python. + +See also the manpages for "func-inventory", "funcd", "certmaster", and "certmaster-ca". + +=head1 AUTHOR + +Various. See https://hosted.fedoraproject.org/projects/func + + diff --git a/docs/funcd.pod b/docs/funcd.pod new file mode 100644 index 0000000..da4ec75 --- /dev/null +++ b/docs/funcd.pod @@ -0,0 +1,25 @@ +=head1 NAME + +funcd -- deaemon for the Fedora Universal Network Controller + +=head1 SYNOPSIS + +funcd (it's a daemon and takes no arguments) + +=head1 DESCRIPTION + +funcd registers itself to a certificate server (certmaster) listed in /etc/func/minion.conf and takes orders from the command line func when that program is run from that certificate server. See /etc/func/minion.conf for other configuration options. + +Modules and capabilities provided by funcd are specified at https://hosted.fedoraproject.org/projects/func/ + +=head1 ADDITONAL RESOURCES + +See https://hosted.fedoraproject.org/projects/func/. It's a Wiki. + +See also the manpages for "func", "certmaster", and "certmaster-ca". + +=head1 AUTHOR + +Various. See https://hosted.fedoraproject.org/projects/func + + diff --git a/etc/certmaster.conf b/etc/certmaster.conf new file mode 100644 index 0000000..71b2068 --- /dev/null +++ b/etc/certmaster.conf @@ -0,0 +1,7 @@ +[main] +listen_addr = +cadir = /etc/pki/func/ca +certroot = /var/lib/func/certmaster/certs +csrroot = /var/lib/func/certmaster/csrs +autosign = no + diff --git a/etc/func_rotate b/etc/func_rotate new file mode 100644 index 0000000..e12edfb --- /dev/null +++ b/etc/func_rotate @@ -0,0 +1,19 @@ +/var/log/func/audit.log { + missingok + notifempty + rotate 4 + weekly + postrotate + if [ -f /var/lock/subsys/funcd ]; then + /etc/init.d/funcd condrestart + fi + endscript +} + +/var/log/func/func.log { + missingok + notifempty + rotate 4 + weekly +} + diff --git a/etc/minion.conf b/etc/minion.conf new file mode 100644 index 0000000..f2e2b34 --- /dev/null +++ b/etc/minion.conf @@ -0,0 +1,8 @@ +# configuration for minions + +[main] +log_level = DEBUG +certmaster = certmaster +cert_dir = /etc/pki/func +acl_dir = /etc/func/minion-acl.d + diff --git a/etc/sample.acl b/etc/sample.acl new file mode 100644 index 0000000..1a093a8 --- /dev/null +++ b/etc/sample.acl @@ -0,0 +1,5 @@ +#config file for minion Access control lists +#this specifies which methods a connecting client is allowed to run +# format is: cn-certificate-hash = method1, method2, method3 +# default allows the certmaster key to run all methods + diff --git a/func/CommonErrors.py b/func/CommonErrors.py new file mode 100644 index 0000000..c76cb3d --- /dev/null +++ b/func/CommonErrors.py @@ -0,0 +1,69 @@ +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Library General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +# +# Copyright 2005 Dan Williams and Red Hat, Inc. + +from exceptions import Exception + +def canIgnoreSSLError(e): + """ + Identify common network errors that mean we cannot connect to the server + """ + + # This is a bit complicated by the fact that different versions of + # M2Crypto & OpenSSL seem to return different error codes for the + # same type of error + s = "%s" % e + if e[0] == 104: # Connection refused + return True + elif e[0] == 111: # Connection reset by peer + return True + elif e[0] == 61: # Connection refused + return True + elif e[0] == 54: # Connection reset by peer + return True + elif s == "no certificate returned": + return True + elif s == "wrong version number": + return True + elif s == "unexpected eof": + return True + + return False + + +def canIgnoreSocketError(e): + """ + Identify common network errors that mean we cannot connect to the server + """ + + try: + if e[0] == 111: # Connection refused + return True + elif e[0] == 104: # Connection reset by peer + return True + elif e[0] == 61: # Connection refused + return True + except IndexError: + return True + + return False + +class Func_Client_Exception(Exception): + def __init__(self, value=None): + Exception.__init__(self) + self.value = value + def __str__(self): + return "%s" %(self.value,) + diff --git a/func/Makefile b/func/Makefile new file mode 100755 index 0000000..99fd546 --- /dev/null +++ b/func/Makefile @@ -0,0 +1,24 @@ + + +PYFILES = $(wildcard *.py) +PYDIRS = minion overlord + +PYCHECKER = /usr/bin/pychecker +PYFLAKES = /usr/bin/pyflakes + +clean:: + @rm -fv *.pyc *~ .*~ *.pyo + @find . -name .\#\* -exec rm -fv {} \; + @rm -fv *.rpm + + +pychecker:: + @$(PYCHECKER) $(PYFILES) || exit 0 + +pyflakes:: + @$(PYFLAKES) $(PYFILES) || exit 0 + +pychecker:: + -for d in $(PYDIRS); do ($(MAKE) -C $$d pychecker ); done +pyflakes:: + -for d in $(PYDIRS); do ($(MAKE) -C $$d pyflakes ); done diff --git a/func/SSLCommon.py b/func/SSLCommon.py new file mode 100644 index 0000000..6959749 --- /dev/null +++ b/func/SSLCommon.py @@ -0,0 +1,121 @@ +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Library General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +# +# Copyright 2005 Dan Williams and Red Hat, Inc. + +import os, sys +from OpenSSL import SSL +import SSLConnection +import httplib +import socket +import SocketServer + +def our_verify(connection, x509, errNum, errDepth, preverifyOK): + # print "Verify: errNum = %s, errDepth = %s, preverifyOK = %s" % (errNum, errDepth, preverifyOK) + + # preverifyOK should tell us whether or not the client's certificate + # correctly authenticates against the CA chain + return preverifyOK + + +def CreateSSLContext(pkey, cert, ca_cert): + for f in pkey, cert, ca_cert: + if f and not os.access(f, os.R_OK): + print "%s does not exist or is not readable." % f + os._exit(1) + + ctx = SSL.Context(SSL.SSLv3_METHOD) # SSLv3 only + ctx.use_certificate_file(cert) + ctx.use_privatekey_file(pkey) + ctx.load_client_ca(ca_cert) + ctx.load_verify_locations(ca_cert) + verify = SSL.VERIFY_PEER | SSL.VERIFY_FAIL_IF_NO_PEER_CERT + ctx.set_verify(verify, our_verify) + ctx.set_verify_depth(10) + ctx.set_options(SSL.OP_NO_SSLv2 | SSL.OP_NO_TLSv1) + return ctx + + + +class BaseServer(SocketServer.TCPServer): + allow_reuse_address = 1 + + def __init__(self, server_addr, req_handler): + self._quit = False + self.allow_reuse_address = 1 + SocketServer.TCPServer.__init__(self, server_addr, req_handler) + + def stop(self): + self._quit = True + + def serve_forever(self): + while not self._quit: + self.handle_request() + self.server_close() + + +class BaseSSLServer(BaseServer): + """ SSL-enabled variant """ + + def __init__(self, server_address, req_handler, pkey, cert, ca_cert, timeout=None): + self._timeout = timeout + self.ssl_ctx = CreateSSLContext(pkey, cert, ca_cert) + + BaseServer.__init__(self, server_address, req_handler) + + sock = socket.socket(self.address_family, self.socket_type) + con = SSL.Connection(self.ssl_ctx, sock) + self.socket = SSLConnection.SSLConnection(con) + if sys.version_info[:3] >= (2, 3, 0): + self.socket.settimeout(self._timeout) + self.server_bind() + self.server_activate() + + host, port = self.socket.getsockname()[:2] + self.server_name = socket.getfqdn(host) + self.server_port = port + + +class HTTPSConnection(httplib.HTTPConnection): + "This class allows communication via SSL." + + response_class = httplib.HTTPResponse + + def __init__(self, host, port=None, ssl_context=None, strict=None, timeout=None): + httplib.HTTPConnection.__init__(self, host, port, strict) + self.ssl_ctx = ssl_context + self._timeout = timeout + + def connect(self): + sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) + con = SSL.Connection(self.ssl_ctx, sock) + self.sock = SSLConnection.SSLConnection(con) + if sys.version_info[:3] >= (2, 3, 0): + self.sock.settimeout(self._timeout) + self.sock.connect((self.host, self.port)) + + +class HTTPS(httplib.HTTP): + """Compatibility with 1.5 httplib interface + + Python 1.5.2 did not have an HTTPS class, but it defined an + interface for sending http requests that is also useful for + https. + """ + + _connection_class = HTTPSConnection + + def __init__(self, host='', port=None, ssl_context=None, strict=None, timeout=None): + self._setup(self._connection_class(host, port, ssl_context, strict, timeout)) + diff --git a/func/SSLConnection.py b/func/SSLConnection.py new file mode 100644 index 0000000..98ed8a0 --- /dev/null +++ b/func/SSLConnection.py @@ -0,0 +1,165 @@ +# Higher-level SSL objects used by rpclib +# +# Copyright (c) 2002 Red Hat, Inc. +# +# Author: Mihai Ibanescu +# Modifications by Dan Williams + + +from OpenSSL import SSL +import time, socket, select +from func.CommonErrors import canIgnoreSSLError + + +class SSLConnection: + """ + This whole class exists just to filter out a parameter + passed in to the shutdown() method in SimpleXMLRPC.doPOST() + """ + + DEFAULT_TIMEOUT = 20 + + def __init__(self, conn): + """ + Connection is not yet a new-style class, + so I'm making a proxy instead of subclassing. + """ + self.__dict__["conn"] = conn + self.__dict__["close_refcount"] = 0 + self.__dict__["closed"] = False + self.__dict__["timeout"] = self.DEFAULT_TIMEOUT + + def __del__(self): + self.__dict__["conn"].close() + + def __getattr__(self,name): + return getattr(self.__dict__["conn"], name) + + def __setattr__(self,name, value): + setattr(self.__dict__["conn"], name, value) + + def settimeout(self, timeout): + if timeout == None: + self.__dict__["timeout"] = self.DEFAULT_TIMEOUT + else: + self.__dict__["timeout"] = timeout + self.__dict__["conn"].settimeout(timeout) + + def shutdown(self, how=1): + """ + SimpleXMLRpcServer.doPOST calls shutdown(1), + and Connection.shutdown() doesn't take + an argument. So we just discard the argument. + """ + self.__dict__["conn"].shutdown() + + def accept(self): + """ + This is the other part of the shutdown() workaround. + Since servers create new sockets, we have to infect + them with our magic. :) + """ + c, a = self.__dict__["conn"].accept() + return (SSLConnection(c), a) + + def makefile(self, mode, bufsize): + """ + We need to use socket._fileobject Because SSL.Connection + doesn't have a 'dup'. Not exactly sure WHY this is, but + this is backed up by comments in socket.py and SSL/connection.c + + Since httplib.HTTPSResponse/HTTPConnection depend on the + socket being duplicated when they close it, we refcount the + socket object and don't actually close until its count is 0. + """ + self.__dict__["close_refcount"] = self.__dict__["close_refcount"] + 1 + return PlgFileObject(self, mode, bufsize) + + def close(self): + if self.__dict__["closed"]: + return + self.__dict__["close_refcount"] = self.__dict__["close_refcount"] - 1 + if self.__dict__["close_refcount"] == 0: + self.shutdown() + self.__dict__["conn"].close() + self.__dict__["closed"] = True + + def sendall(self, data, flags=0): + """ + - Use select() to simulate a socket timeout without setting the socket + to non-blocking mode. + - Don't use pyOpenSSL's sendall() either, since it just loops on WantRead + or WantWrite, consuming 100% CPU, and never times out. + """ + timeout = self.__dict__["timeout"] + con = self.__dict__["conn"] + (read, write, excpt) = select.select([], [con], [], timeout) + if not con in write: + raise socket.timeout((110, "Operation timed out.")) + + starttime = time.time() + origlen = len(data) + sent = -1 + while len(data): + curtime = time.time() + if curtime - starttime > timeout: + raise socket.timeout((110, "Operation timed out.")) + + try: + sent = con.send(data, flags) + except SSL.SysCallError, e: + if e[0] == 32: # Broken Pipe + self.close() + sent = 0 + else: + raise socket.error(e) + except (SSL.WantWriteError, SSL.WantReadError): + time.sleep(0.2) + continue + + data = data[sent:] + return origlen - len(data) + + def recv(self, bufsize, flags=0): + """ + Use select() to simulate a socket timeout without setting the socket + to non-blocking mode + """ + timeout = self.__dict__["timeout"] + con = self.__dict__["conn"] + (read, write, excpt) = select.select([con], [], [], timeout) + if not con in read: + raise socket.timeout((110, "Operation timed out.")) + + starttime = time.time() + while True: + curtime = time.time() + if curtime - starttime > timeout: + raise socket.timeout((110, "Operation timed out.")) + + try: + return con.recv(bufsize, flags) + except SSL.ZeroReturnError: + return None + except SSL.WantReadError: + time.sleep(0.2) + except Exception, e: + if canIgnoreSSLError(e): + return None + else: + raise e + return None + + +class PlgFileObject(socket._fileobject): + def close(self): + """ + socket._fileobject doesn't actually _close_ the socket, + which we want it to do, so we have to override. + """ + try: + if self._sock: + self.flush() + self._sock.close() + finally: + self._sock = None diff --git a/func/__init__.py b/func/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/func/certmaster.py b/func/certmaster.py new file mode 100755 index 0000000..fe5dcbc --- /dev/null +++ b/func/certmaster.py @@ -0,0 +1,247 @@ +# FIXME: more intelligent fault raises + +""" +cert master listener + +Copyright 2007, Red Hat, Inc +see AUTHORS + +This software may be freely redistributed under the terms of the GNU +general public license. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +""" + +# standard modules +import SimpleXMLRPCServer +import sys +import os +import os.path +from OpenSSL import crypto +import sha +import glob +import socket +import exceptions + +#from func.server import codes +import certs +import codes +import utils +from config import read_config +from commonconfig import CMConfig + +CERTMASTER_LISTEN_PORT = 51235 +CERTMASTER_CONFIG = "/etc/func/certmaster.conf" + +class CertMaster(object): + def __init__(self, conf_file=CERTMASTER_CONFIG): + self.cfg = read_config(conf_file, CMConfig) + + usename = utils.get_hostname() + + mycn = '%s-CA-KEY' % usename + self.ca_key_file = '%s/funcmaster.key' % self.cfg.cadir + self.ca_cert_file = '%s/funcmaster.crt' % self.cfg.cadir + try: + if not os.path.exists(self.cfg.cadir): + os.makedirs(self.cfg.cadir) + if not os.path.exists(self.ca_key_file) and not os.path.exists(self.ca_cert_file): + certs.create_ca(CN=mycn, ca_key_file=self.ca_key_file, ca_cert_file=self.ca_cert_file) + except (IOError, OSError), e: + print 'Cannot make certmaster certificate authority keys/certs, aborting: %s' % e + sys.exit(1) + + + # open up the cakey and cacert so we have them available + self.cakey = certs.retrieve_key_from_file(self.ca_key_file) + self.cacert = certs.retrieve_cert_from_file(self.ca_cert_file) + + for dirpath in [self.cfg.cadir, self.cfg.certroot, self.cfg.csrroot]: + if not os.path.exists(dirpath): + os.makedirs(dirpath) + + # setup handlers + self.handlers = { + 'wait_for_cert': self.wait_for_cert, + } + + def _dispatch(self, method, params): + if method == 'trait_names' or method == '_getAttributeNames': + return self.handlers.keys() + + if method in self.handlers.keys(): + return self.handlers[method](*params) + else: + raise codes.InvalidMethodException + + def _sanitize_cn(self, commonname): + commonname = commonname.replace('/', '') + commonname = commonname.replace('\\', '') + return commonname + + def wait_for_cert(self, csrbuf): + """ + takes csr as a string + returns True, caller_cert, ca_cert + returns False, '', '' + """ + + try: + csrreq = crypto.load_certificate_request(crypto.FILETYPE_PEM, csrbuf) + except crypto.Error, e: + #XXX need to raise a fault here and document it - but false is just as good + return False, '', '' + + requesting_host = self._sanitize_cn(csrreq.get_subject().CN) + + # get rid of dodgy characters in the filename we're about to make + + certfile = '%s/%s.cert' % (self.cfg.certroot, requesting_host) + csrfile = '%s/%s.csr' % (self.cfg.csrroot, requesting_host) + + # check for old csr on disk + # if we have it - compare the two - if they are not the same - raise a fault + if os.path.exists(csrfile): + oldfo = open(csrfile) + oldcsrbuf = oldfo.read() + oldsha = sha.new() + oldsha.update(oldcsrbuf) + olddig = oldsha.hexdigest() + newsha = sha.new() + newsha.update(csrbuf) + newdig = newsha.hexdigest() + if not newdig == olddig: + # XXX raise a proper fault + return False, '', '' + + # look for a cert: + # if we have it, then return True, etc, etc + if os.path.exists(certfile): + slavecert = certs.retrieve_cert_from_file(certfile) + cert_buf = crypto.dump_certificate(crypto.FILETYPE_PEM, slavecert) + cacert_buf = crypto.dump_certificate(crypto.FILETYPE_PEM, self.cacert) + return True, cert_buf, cacert_buf + + # if we don't have a cert then: + # if we're autosign then sign it, write out the cert and return True, etc, etc + # else write out the csr + + if self.cfg.autosign: + cert_fn = self.sign_this_csr(csrreq) + cert = certs.retrieve_cert_from_file(cert_fn) + cert_buf = crypto.dump_certificate(crypto.FILETYPE_PEM, cert) + cacert_buf = crypto.dump_certificate(crypto.FILETYPE_PEM, self.cacert) + return True, cert_buf, cacert_buf + + else: + # write the csr out to a file to be dealt with by the admin + destfo = open(csrfile, 'w') + destfo.write(crypto.dump_certificate_request(crypto.FILETYPE_PEM, csrreq)) + destfo.close() + del destfo + return False, '', '' + + return False, '', '' + + def get_csrs_waiting(self): + hosts = [] + csrglob = '%s/*.csr' % self.cfg.csrroot + csr_list = glob.glob(csrglob) + for f in csr_list: + hn = os.path.basename(f) + hn = hn[:-4] + hosts.append(hn) + return hosts + + def remove_this_cert(self, hn): + """ removes cert for hostname using unlink """ + cm = self + csrglob = '%s/%s.csr' % (cm.cfg.csrroot, hn) + csrs = glob.glob(csrglob) + certglob = '%s/%s.cert' % (cm.cfg.certroot, hn) + certs = glob.glob(certglob) + if not csrs and not certs: + # FIXME: should be an exception? + print 'No match for %s to clean up' % hn + return + for fn in csrs + certs: + print 'Cleaning out %s for host matching %s' % (fn, hn) + os.unlink(fn) + + def sign_this_csr(self, csr): + """returns the path to the signed cert file""" + csr_unlink_file = None + + if type(csr) is type(''): + if csr.startswith('/') and os.path.exists(csr): # we have a full path to the file + csrfo = open(csr) + csr_buf = csrfo.read() + csr_unlink_file = csr + + elif os.path.exists('%s/%s' % (self.cfg.csrroot, csr)): # we have a partial path? + csrfo = open('%s/%s' % (self.cfg.csrroot, csr)) + csr_buf = csrfo.read() + csr_unlink_file = '%s/%s' % (self.cfg.csrroot, csr) + + # we have a string of some kind + else: + csr_buf = csr + + try: + csrreq = crypto.load_certificate_request(crypto.FILETYPE_PEM, csr_buf) + except crypto.Error, e: + raise exceptions.Exception("Bad CSR: %s" % csr) + + else: # assume we got a bare csr req + csrreq = csr + requesting_host = self._sanitize_cn(csrreq.get_subject().CN) + + certfile = '%s/%s.cert' % (self.cfg.certroot, requesting_host) + thiscert = certs.create_slave_certificate(csrreq, self.cakey, self.cacert, self.cfg.cadir) + destfo = open(certfile, 'w') + destfo.write(crypto.dump_certificate(crypto.FILETYPE_PEM, thiscert)) + destfo.close() + del destfo + if csr_unlink_file and os.path.exists(csr_unlink_file): + os.unlink(csr_unlink_file) + + return certfile + + +class CertmasterXMLRPCServer(SimpleXMLRPCServer.SimpleXMLRPCServer): + def __init__(self, args): + self.allow_reuse_address = True + SimpleXMLRPCServer.SimpleXMLRPCServer.__init__(self, args) + + +def serve(xmlrpcinstance): + + """ + Code for starting the XMLRPC service. + """ + + server = CertmasterXMLRPCServer((xmlrpcinstance.cfg.listen_addr, CERTMASTER_LISTEN_PORT)) + server.logRequests = 0 # don't print stuff to console + server.register_instance(xmlrpcinstance) + server.serve_forever() + + +def main(argv): + + cm = CertMaster('/etc/func/certmaster.conf') + + if "daemon" in argv or "--daemon" in argv: + utils.daemonize("/var/run/certmaster.pid") + else: + print "serving...\n" + + + # just let exceptions bubble up for now + serve(cm) + + +if __name__ == "__main__": + #textdomain(I18N_DOMAIN) + main(sys.argv) diff --git a/func/certs.py b/func/certs.py new file mode 100644 index 0000000..4d6bf15 --- /dev/null +++ b/func/certs.py @@ -0,0 +1,139 @@ +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Library General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +# Copyright (c) 2007 Red Hat, inc +#- Written by Seth Vidal skvidal @ fedoraproject.org + +from OpenSSL import crypto +import socket +import os +import utils + +def_country = 'UN' +def_state = 'FC' +def_local = 'Func-ytown' +def_org = 'func' +def_ou = 'slave-key' + + +def make_keypair(dest=None): + pkey = crypto.PKey() + pkey.generate_key(crypto.TYPE_RSA, 2048) + if dest: + destfd = os.open(dest, os.O_RDWR|os.O_CREAT, 0600) + os.write(destfd, (crypto.dump_privatekey(crypto.FILETYPE_PEM, pkey))) + os.close(destfd) + + return pkey + + +def make_csr(pkey, dest=None, cn=None): + req = crypto.X509Req() + req.get_subject() + subj = req.get_subject() + subj.C = def_country + subj.ST = def_state + subj.L = def_local + subj.O = def_org + subj.OU = def_ou + if cn: + subj.CN = cn + else: + subj.CN = utils.get_hostname() + subj.emailAddress = 'root@%s' % subj.CN + + req.set_pubkey(pkey) + req.sign(pkey, 'md5') + if dest: + destfd = os.open(dest, os.O_RDWR|os.O_CREAT, 0644) + os.write(destfd, crypto.dump_certificate_request(crypto.FILETYPE_PEM, req)) + os.close(destfd) + + return req + + +def retrieve_key_from_file(keyfile): + fo = open(keyfile, 'r') + buf = fo.read() + keypair = crypto.load_privatekey(crypto.FILETYPE_PEM, buf) + return keypair + + +def retrieve_csr_from_file(csrfile): + fo = open(csrfile, 'r') + buf = fo.read() + csrreq = crypto.load_certificate_request(crypto.FILETYPE_PEM, buf) + return csrreq + + +def retrieve_cert_from_file(certfile): + fo = open(certfile, 'r') + buf = fo.read() + cert = crypto.load_certificate(crypto.FILETYPE_PEM, buf) + return cert + + +def create_ca(CN="Func Certificate Authority", ca_key_file=None, ca_cert_file=None): + cakey = make_keypair(dest=ca_key_file) + careq = make_csr(cakey, cn=CN) + cacert = crypto.X509() + cacert.set_serial_number(0) + cacert.gmtime_adj_notBefore(0) + cacert.gmtime_adj_notAfter(60*60*24*365*10) # 10 yrs - hard to beat this kind of cert! + cacert.set_issuer(careq.get_subject()) + cacert.set_subject(careq.get_subject()) + cacert.set_pubkey(careq.get_pubkey()) + cacert.sign(cakey, 'md5') + if ca_cert_file: + destfo = open(ca_cert_file, 'w') + destfo.write(crypto.dump_certificate(crypto.FILETYPE_PEM, cacert)) + destfo.close() + + +def _get_serial_number(cadir): + serial = '%s/serial.txt' % cadir + i = 1 + if os.path.exists(serial): + f = open(serial, 'r').read() + f = f.replace('\n','') + try: + i = int(f) + i+=1 + except ValueError, e: + i = 1 + + _set_serial_number(cadir, i) + return i + + +def _set_serial_number(cadir, last): + serial = '%s/serial.txt' % cadir + f = open(serial, 'w') + f.write(str(last) + '\n') + f.close() + + +def create_slave_certificate(csr, cakey, cacert, cadir, slave_cert_file=None): + cert = crypto.X509() + cert.set_serial_number(_get_serial_number(cadir)) + cert.gmtime_adj_notBefore(0) + cert.gmtime_adj_notAfter(60*60*24*365*10) # 10 yrs - hard to beat this kind of cert! + cert.set_issuer(cacert.get_subject()) + cert.set_subject(csr.get_subject()) + cert.set_pubkey(csr.get_pubkey()) + cert.sign(cakey, 'md5') + if slave_cert_file: + destfo = open(slave_cert_file, 'w') + destfo.write(crypto.dump_certificate(crypto.FILETYPE_PEM, cert)) + destfo.close() + return cert diff --git a/func/codes.py b/func/codes.py new file mode 100755 index 0000000..c6bcb61 --- /dev/null +++ b/func/codes.py @@ -0,0 +1,25 @@ +""" +func + +Copyright 2007, Red Hat, Inc +See AUTHORS + +This software may be freely redistributed under the terms of the GNU +general public license. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +""" + +import exceptions + + +class FuncException(exceptions.Exception): + pass + + +class InvalidMethodException(FuncException): + pass + +# FIXME: more sub-exceptions maybe diff --git a/func/commonconfig.py b/func/commonconfig.py new file mode 100644 index 0000000..9fd3356 --- /dev/null +++ b/func/commonconfig.py @@ -0,0 +1,15 @@ +from config import BaseConfig, BoolOption, IntOption, Option + +class CMConfig(BaseConfig): + listen_addr = Option('') + cadir = Option('/etc/pki/func/ca') + certroot = Option('/var/lib/func/certmaster/certs') + csrroot = Option('/var/lib/func/certmaster/csrs') + autosign = BoolOption(False) + + +class FuncdConfig(BaseConfig): + log_level = Option('INFO') + certmaster = Option('certmaster') + cert_dir = Option('/etc/pki/func') + acl_dir = Option('/etc/func/minion-acl.d') diff --git a/func/config.py b/func/config.py new file mode 100644 index 0000000..8202457 --- /dev/null +++ b/func/config.py @@ -0,0 +1,478 @@ +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Library General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +# Copyright 2002 Duke University +# filched from yum - menno smits wrote this - he rocks + + +import os +import sys +import warnings +import copy +import urlparse +from ConfigParser import NoSectionError, NoOptionError, ConfigParser +from ConfigParser import ParsingError +import exceptions + +CONFIG_FILE = "/etc/func/certmaster.conf" + +class ConfigError(exceptions.Exception): + def __init__(self, value=None): + exceptions.Exception.__init__(self) + self.value = value + def __str__(self): + return "%s" %(self.value,) + + +class Option(object): + ''' + This class handles a single Yum configuration file option. Create + subclasses for each type of supported configuration option. + + Python descriptor foo (__get__ and __set__) is used to make option + definition easy and consise. + ''' + + def __init__(self, default=None): + self._setattrname() + self.inherit = False + self.default = default + + def _setattrname(self): + '''Calculate the internal attribute name used to store option state in + configuration instances. + ''' + self._attrname = '__opt%d' % id(self) + + def __get__(self, obj, objtype): + '''Called when the option is read (via the descriptor protocol). + + @param obj: The configuration instance to modify. + @param objtype: The type of the config instance (not used). + @return: The parsed option value or the default value if the value + wasn't set in the configuration file. + ''' + if obj is None: + return self + + return getattr(obj, self._attrname, None) + + def __set__(self, obj, value): + '''Called when the option is set (via the descriptor protocol). + + @param obj: The configuration instance to modify. + @param value: The value to set the option to. + @return: Nothing. + ''' + # Only try to parse if its a string + if isinstance(value, basestring): + try: + value = self.parse(value) + except ValueError, e: + # Add the field name onto the error + raise ValueError('Error parsing %r: %s' % (value, str(e))) + + setattr(obj, self._attrname, value) + + def setup(self, obj, name): + '''Initialise the option for a config instance. + This must be called before the option can be set or retrieved. + + @param obj: BaseConfig (or subclass) instance. + @param name: Name of the option. + ''' + setattr(obj, self._attrname, copy.copy(self.default)) + + def clone(self): + '''Return a safe copy of this Option instance + ''' + new = copy.copy(self) + new._setattrname() + return new + + def parse(self, s): + '''Parse the string value to the Option's native value. + + @param s: Raw string value to parse. + @return: Validated native value. + + Will raise ValueError if there was a problem parsing the string. + Subclasses should override this. + ''' + return s + + def tostring(self, value): + '''Convert the Option's native value to a string value. + + @param value: Native option value. + @return: String representation of input. + + This does the opposite of the parse() method above. + Subclasses should override this. + ''' + return str(value) + + +def Inherit(option_obj): + '''Clone an Option instance for the purposes of inheritance. The returned + instance has all the same properties as the input Option and shares items + such as the default value. Use this to avoid redefinition of reused + options. + + @param option_obj: Option instance to inherit. + @return: New Option instance inherited from the input. + ''' + new_option = option_obj.clone() + new_option.inherit = True + return new_option + + +class ListOption(Option): + + def __init__(self, default=None): + if default is None: + default = [] + super(ListOption, self).__init__(default) + + def parse(self, s): + """Converts a string from the config file to a workable list + + Commas and spaces are used as separators for the list + """ + # we need to allow for the '\n[whitespace]' continuation - easier + # to sub the \n with a space and then read the lines + s = s.replace('\n', ' ') + s = s.replace(',', ' ') + return s.split() + + def tostring(self, value): + return '\n '.join(value) + + +class UrlOption(Option): + ''' + This option handles lists of URLs with validation of the URL scheme. + ''' + + def __init__(self, default=None, schemes=('http', 'ftp', 'file', 'https'), + allow_none=False): + super(UrlOption, self).__init__(default) + self.schemes = schemes + self.allow_none = allow_none + + def parse(self, url): + url = url.strip() + + # Handle the "_none_" special case + if url.lower() == '_none_': + if self.allow_none: + return None + else: + raise ValueError('"_none_" is not a valid value') + + # Check that scheme is valid + (s,b,p,q,f,o) = urlparse.urlparse(url) + if s not in self.schemes: + raise ValueError('URL must be %s not "%s"' % (self._schemelist(), s)) + + return url + + def _schemelist(self): + '''Return a user friendly list of the allowed schemes + ''' + if len(self.schemes) < 1: + return 'empty' + elif len(self.schemes) == 1: + return self.schemes[0] + else: + return '%s or %s' % (', '.join(self.schemes[:-1]), self.schemes[-1]) + + +class UrlListOption(ListOption): + ''' + Option for handling lists of URLs with validation of the URL scheme. + ''' + + def __init__(self, default=None, schemes=('http', 'ftp', 'file', 'https')): + super(UrlListOption, self).__init__(default) + + # Hold a UrlOption instance to assist with parsing + self._urloption = UrlOption(schemes=schemes) + + def parse(self, s): + out = [] + for url in super(UrlListOption, self).parse(s): + out.append(self._urloption.parse(url)) + return out + + +class IntOption(Option): + def parse(self, s): + try: + return int(s) + except (ValueError, TypeError), e: + raise ValueError('invalid integer value') + + +class BoolOption(Option): + def parse(self, s): + s = s.lower() + if s in ('0', 'no', 'false'): + return False + elif s in ('1', 'yes', 'true'): + return True + else: + raise ValueError('invalid boolean value') + + def tostring(self, value): + if value: + return "1" + else: + return "0" + + +class FloatOption(Option): + def parse(self, s): + try: + return float(s.strip()) + except (ValueError, TypeError): + raise ValueError('invalid float value') + + +class SelectionOption(Option): + '''Handles string values where only specific values are allowed + ''' + def __init__(self, default=None, allowed=()): + super(SelectionOption, self).__init__(default) + self._allowed = allowed + + def parse(self, s): + if s not in self._allowed: + raise ValueError('"%s" is not an allowed value' % s) + return s + +class BytesOption(Option): + + # Multipliers for unit symbols + MULTS = { + 'k': 1024, + 'm': 1024*1024, + 'g': 1024*1024*1024, + } + + def parse(self, s): + """Parse a friendly bandwidth option to bytes + + The input should be a string containing a (possibly floating point) + number followed by an optional single character unit. Valid units are + 'k', 'M', 'G'. Case is ignored. + + Valid inputs: 100, 123M, 45.6k, 12.4G, 100K, 786.3, 0 + Invalid inputs: -10, -0.1, 45.6L, 123Mb + + Return value will always be an integer + + 1k = 1024 bytes. + + ValueError will be raised if the option couldn't be parsed. + """ + if len(s) < 1: + raise ValueError("no value specified") + + if s[-1].isalpha(): + n = s[:-1] + unit = s[-1].lower() + mult = self.MULTS.get(unit, None) + if not mult: + raise ValueError("unknown unit '%s'" % unit) + else: + n = s + mult = 1 + + try: + n = float(n) + except ValueError: + raise ValueError("couldn't convert '%s' to number" % n) + + if n < 0: + raise ValueError("bytes value may not be negative") + + return int(n * mult) + + +class ThrottleOption(BytesOption): + + def parse(self, s): + """Get a throttle option. + + Input may either be a percentage or a "friendly bandwidth value" as + accepted by the BytesOption. + + Valid inputs: 100, 50%, 80.5%, 123M, 45.6k, 12.4G, 100K, 786.0, 0 + Invalid inputs: 100.1%, -4%, -500 + + Return value will be a int if a bandwidth value was specified or a + float if a percentage was given. + + ValueError will be raised if input couldn't be parsed. + """ + if len(s) < 1: + raise ValueError("no value specified") + + if s[-1] == '%': + n = s[:-1] + try: + n = float(n) + except ValueError: + raise ValueError("couldn't convert '%s' to number" % n) + if n < 0 or n > 100: + raise ValueError("percentage is out of range") + return n / 100.0 + else: + return BytesOption.parse(self, s) + + +class BaseConfig(object): + ''' + Base class for storing configuration definitions. Subclass when creating + your own definitons. + ''' + + def __init__(self): + self._section = None + + for name in self.iterkeys(): + option = self.optionobj(name) + option.setup(self, name) + + def __str__(self): + out = [] + out.append('[%s]' % self._section) + for name, value in self.iteritems(): + out.append('%s: %r' % (name, value)) + return '\n'.join(out) + + def populate(self, parser, section, parent=None): + '''Set option values from a INI file section. + + @param parser: ConfParser instance (or subclass) + @param section: INI file section to read use. + @param parent: Optional parent BaseConfig (or subclass) instance to use + when doing option value inheritance. + ''' + self.cfg = parser + self._section = section + + for name in self.iterkeys(): + option = self.optionobj(name) + value = None + try: + value = parser.get(section, name) + except (NoSectionError, NoOptionError): + # No matching option in this section, try inheriting + if parent and option.inherit: + value = getattr(parent, name) + + if value is not None: + setattr(self, name, value) + + def optionobj(cls, name): + '''Return the Option instance for the given name + ''' + obj = getattr(cls, name, None) + if isinstance(obj, Option): + return obj + else: + raise KeyError + optionobj = classmethod(optionobj) + + def isoption(cls, name): + '''Return True if the given name refers to a defined option + ''' + try: + cls.optionobj(name) + return True + except KeyError: + return False + isoption = classmethod(isoption) + + def iterkeys(self): + '''Yield the names of all defined options in the instance. + ''' + for name, item in self.iteritems(): + yield name + + def iteritems(self): + '''Yield (name, value) pairs for every option in the instance. + + The value returned is the parsed, validated option value. + ''' + # Use dir() so that we see inherited options too + for name in dir(self): + if self.isoption(name): + yield (name, getattr(self, name)) + + def write(self, fileobj, section=None, always=()): + '''Write out the configuration to a file-like object + + @param fileobj: File-like object to write to + @param section: Section name to use. If not-specified the section name + used during parsing will be used. + @param always: A sequence of option names to always write out. + Options not listed here will only be written out if they are at + non-default values. Set to None to dump out all options. + ''' + # Write section heading + if section is None: + if self._section is None: + raise ValueError("not populated, don't know section") + section = self._section + + # Updated the ConfigParser with the changed values + cfgOptions = self.cfg.options(section) + for name,value in self.iteritems(): + option = self.optionobj(name) + if always is None or name in always or option.default != value or name in cfgOptions : + self.cfg.set(section,name, option.tostring(value)) + # write the updated ConfigParser to the fileobj. + self.cfg.write(fileobj) + + def getConfigOption(self, option, default=None): + warnings.warn('getConfigOption() will go away in a future version of Yum.\n' + 'Please access option values as attributes or using getattr().', + DeprecationWarning) + if hasattr(self, option): + return getattr(self, option) + return default + + def setConfigOption(self, option, value): + warnings.warn('setConfigOption() will go away in a future version of Yum.\n' + 'Please set option values as attributes or using setattr().', + DeprecationWarning) + if hasattr(self, option): + setattr(self, option, value) + else: + raise ConfigError, 'No such option %s' % option + + +def read_config(config_file, BaseConfigDerived): + confparser = ConfigParser() + opts = BaseConfigDerived() + if os.path.exists(config_file): + try: + confparser.read(config_file) + except ParsingError, e: + print >> sys.stderr, "Error reading config file: %s" % e + sys.exit(1) + opts.populate(confparser, 'main') + return opts diff --git a/func/forkbomb.py b/func/forkbomb.py new file mode 100644 index 0000000..3dfa6f2 --- /dev/null +++ b/func/forkbomb.py @@ -0,0 +1,153 @@ +# forkbomb is a module that partitions arbitrary workloads +# among N seperate forks, for a configurable N, and +# collates results upon return, as if it never forked. +# +# Copyright 2007, Red Hat, Inc +# Michael DeHaan +# +# This software may be freely redistributed under the terms of the GNU +# general public license. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +import os +import random # for testing only +import time # for testing only +import shelve +import bsddb +import sys +import tempfile +import fcntl +import utils +import xmlrpclib + +DEFAULT_FORKS = 4 +DEFAULT_CACHE_DIR = "/var/lib/func" + +def __get_storage(dir): + """ + Return a tempfile we can use for storing data. + """ + dir = os.path.expanduser(dir) + if not os.path.exists(dir): + os.makedirs(dir) + return tempfile.mktemp(suffix='', prefix='asynctmp', dir=dir) + +def __access_buckets(filename,clear,new_key=None,new_value=None): + """ + Access data in forkbomb cache, potentially clearing or + modifying it as required. + """ + + internal_db = bsddb.btopen(filename, 'c', 0644 ) + handle = open(filename,"r") + fcntl.flock(handle.fileno(), fcntl.LOCK_EX) + storage = shelve.BsdDbShelf(internal_db) + + if clear: + storage.clear() + storage.close() + fcntl.flock(handle.fileno(), fcntl.LOCK_UN) + return {} + + if not storage.has_key("data"): + storage["data"] = {} + else: + pass + + if new_key is not None: + # bsdb is a bit weird about this + newish = storage["data"].copy() + newish[new_key] = new_value + storage["data"] = newish + + rc = storage["data"].copy() + storage.close() + fcntl.flock(handle.fileno(), fcntl.LOCK_UN) + + return rc + +def __bucketize(pool, slots): + """ + Given a pre-existing list of X number of tasks, partition + them into a hash of Y number of slots. + """ + buckets = {} + count = 0 + for key in pool: + count = count + 1 + slot = count % slots + if not buckets.has_key(slot): + buckets[slot] = [] + buckets[slot].append(key) + return buckets + +def __with_my_bucket(bucket_number,buckets,what_to_do,filename): + """ + Process all tasks assigned to a given fork, and save + them in the shelf. + """ + things_in_my_bucket = buckets[bucket_number] + results = {} + for thing in things_in_my_bucket: + (nkey,nvalue) = what_to_do(bucket_number,buckets,thing) + __access_buckets(filename,False,nkey,nvalue) + +def __forkbomb(mybucket,buckets,what_to_do,filename): + """ + Recursive function to spawn of a lot of worker forks. + """ + nbuckets = len(buckets) + pid = os.fork() + if pid != 0: + if mybucket < (nbuckets-1): + __forkbomb(mybucket+1,buckets,what_to_do,filename) + try: + os.waitpid(pid,0) + except OSError, ose: + if ose.errno == 10: + pass + else: + raise ose + else: + __with_my_bucket(mybucket,buckets,what_to_do,filename) + sys.exit(0) + +def __demo(bucket_number, buckets, my_item): + """ + This is a demo handler for test purposes. + It just multiplies all numbers by 1000, but slowly. + """ + # print ">> I am fork (%s) and I am processing item (%s)" % (bucket_number, my_item) + # just to verify forks are not sequential + sleep = random.randrange(0,4) + time.sleep(sleep) + return (my_item, my_item * 1000) + +def batch_run(pool,callback,nforks=DEFAULT_FORKS,cachedir=DEFAULT_CACHE_DIR): + """ + Given an array of items (pool), call callback in each one, but divide + the workload over nfork forks. Temporary files used during the + operation will be created in cachedir and subsequently deleted. + """ + if nforks <= 1: + # modulus voodoo gets crazy otherwise and bad things happen + nforks = 2 + shelf_file = __get_storage(cachedir) + __access_buckets(shelf_file,True,None) + buckets = __bucketize(pool, nforks) + __forkbomb(1,buckets,callback,shelf_file) + rc = __access_buckets(shelf_file,False,None) + os.remove(shelf_file) + return rc + +def __test(nforks=4,sample_size=20): + pool = xrange(0,sample_size) + print batch_run(pool,__demo,nforks=nforks) + +if __name__ == "__main__": + __test() + + diff --git a/func/jobthing.py b/func/jobthing.py new file mode 100644 index 0000000..67ad1a6 --- /dev/null +++ b/func/jobthing.py @@ -0,0 +1,204 @@ +# jobthing is a module that allows for background execution of a task, and +# getting status of that task. The ultimate goal is to allow ajaxyness +# of GUI apps using Func, and also for extremely long running tasks that +# we don't want to block on as called by scripts using the FunC API. The +# CLI should not use this. +# +# Copyright 2007, Red Hat, Inc +# Michael DeHaan +# +# This software may be freely redistributed under the terms of the GNU +# general public license. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +import os +import random # for testing only +import time # for testing only +import shelve +import bsddb +import sys +import tempfile +import fcntl +import forkbomb +import utils +import traceback + +JOB_ID_RUNNING = 0 +JOB_ID_FINISHED = 1 +JOB_ID_LOST_IN_SPACE = 2 +JOB_ID_ASYNC_PARTIAL = 3 +JOB_ID_ASYNC_FINISHED = 4 + +# how long to retain old job records in the job id database +RETAIN_INTERVAL = 60 * 60 + +# where to store the internal job id database +CACHE_DIR = "/var/lib/func" + +def __update_status(jobid, status, results, clear=False): + return __access_status(jobid=jobid, status=status, results=results, write=True) + +def __get_status(jobid): + return __access_status(jobid=jobid, write=False) + +def purge_old_jobs(): + return __access_status(purge=True) + +def __purge_old_jobs(storage): + """ + Deletes jobs older than RETAIN_INTERVAL seconds. + MINOR FIXME: this probably should be a more intelligent algorithm that only + deletes jobs if the database is too big and then only the oldest jobs + but this will work just as well. + """ + nowtime = time.time() + for x in storage.keys(): + # minion jobs have "-minion" in the job id so disambiguation so we need to remove that + jobkey = x.replace("-","").replace("minion","") + create_time = float(jobkey) + if nowtime - create_time > RETAIN_INTERVAL: + del storage[x] + +def __access_status(jobid=0, status=0, results=0, clear=False, write=False, purge=False): + + dir = os.path.expanduser(CACHE_DIR) + if not os.path.exists(dir): + os.makedirs(dir) + filename = os.path.join(dir,"status-%s" % os.getuid()) + + internal_db = bsddb.btopen(filename, 'c', 0644 ) + handle = open(filename,"r") + fcntl.flock(handle.fileno(), fcntl.LOCK_EX) + storage = shelve.BsdDbShelf(internal_db) + + + if clear: + storage.clear() + storage.close() + fcntl.flock(handle.fileno(), fcntl.LOCK_UN) + return {} + + if purge or write: + __purge_old_jobs(storage) + + if write: + storage[str(jobid)] = (status, results) + rc = jobid + elif not purge: + if storage.has_key(str(jobid)): + # tuple of (status, results) + + rc = storage[str(jobid)] + else: + rc = (JOB_ID_LOST_IN_SPACE, 0) + else: + rc = 0 + + storage.close() + fcntl.flock(handle.fileno(), fcntl.LOCK_UN) + + return rc + +def batch_run(server, process_server, nforks): + """ + This is the method used by the overlord side usage of jobthing. + Minion side usage will use minion_async_run instead. + + Given an array of items (pool), call callback in each one, but divide + the workload over nfork forks. Temporary files used during the + operation will be created in cachedir and subsequently deleted. + """ + + job_id = time.time() + pid = os.fork() + if pid != 0: + __update_status(job_id, JOB_ID_RUNNING, -1) + return job_id + else: + # kick off the job + __update_status(job_id, JOB_ID_RUNNING, -1) + results = forkbomb.batch_run(server, process_server, nforks) + + # we now have a list of job id's for each minion, kill the task + __update_status(job_id, JOB_ID_ASYNC_PARTIAL, results) + sys.exit(0) + +def minion_async_run(retriever, method, args): + """ + This is a simpler invocation for minion side async usage. + """ + # to avoid confusion of job id's (we use the same job database) + # minion jobs contain the string "minion". + + + job_id = "%s-minion" % time.time() + pid = os.fork() + if pid != 0: + __update_status(job_id, JOB_ID_RUNNING, -1) + return job_id + else: + __update_status(job_id, JOB_ID_RUNNING, -1) + try: + function_ref = retriever(method) + rc = function_ref(*args) + except Exception, e: + (t, v, tb) = sys.exc_info() + rc = utils.nice_exception(t,v,tb) + + __update_status(job_id, JOB_ID_FINISHED, rc) + sys.exit(0) + +def job_status(jobid, client_class=None): + + # NOTE: client_class is here to get around some evil circular reference + # type stuff. This is intended to be called by minions (who can leave it None) + # or by the Client module code (which does not need to be worried about it). API + # users should not be calling jobthing.py methods directly. + + got_status = __get_status(jobid) + + # if the status comes back as JOB_ID_ASYNC_PARTIAL what we have is actually a hash + # of hostname/minion-jobid pairs. Instantiate a client handle for each and poll them + # for their actual status, filling in only the ones that are actually done. + + (interim_rc, interim_results) = got_status + + if interim_rc == JOB_ID_ASYNC_PARTIAL: + + partial_results = {} + + + some_missing = False + for host in interim_results.keys(): + + minion_job = interim_results[host] + client = client_class(host, noglobs=True, async=False) + minion_result = client.jobs.job_status(minion_job) + + (minion_interim_rc, minion_interim_result) = minion_result + + if minion_interim_rc not in [ JOB_ID_RUNNING ]: + if minion_interim_rc in [ JOB_ID_LOST_IN_SPACE ]: + partial_results[host] = [ utils.REMOTE_ERROR, "lost job" ] + else: + partial_results[host] = minion_interim_result + else: + some_missing = True + + if some_missing: + return (JOB_ID_ASYNC_PARTIAL, partial_results) + else: + return (JOB_ID_ASYNC_FINISHED, partial_results) + + else: + return got_status + + # of job id's on the minion in results. + +if __name__ == "__main__": + __test() + + diff --git a/func/logger.py b/func/logger.py new file mode 100755 index 0000000..e679f3d --- /dev/null +++ b/func/logger.py @@ -0,0 +1,76 @@ +## func +## +## Copyright 2007, Red Hat, Inc +## See AUTHORS +## +## This software may be freely redistributed under the terms of the GNU +## general public license. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +## +## + + +import logging +from func.config import read_config +from func.commonconfig import FuncdConfig + + +# from the comments in http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/66531 +class Singleton(object): + def __new__(type, *args, **kwargs): + if not '_the_instance' in type.__dict__: + type._the_instance = object.__new__(type, *args, **kwargs) + return type._the_instance + +# logging is weird, we don't want to setup multiple handlers +# so make sure we do that mess only once + +class Logger(Singleton): + _no_handlers = True + + def __init__(self, logfilepath ="/var/log/func/func.log"): + config_file = '/etc/func/minion.conf' + self.config = read_config(config_file, FuncdConfig) + self.loglevel = logging._levelNames[self.config.log_level] + self._setup_logging() + if self._no_handlers: + self._setup_handlers(logfilepath=logfilepath) + + def _setup_logging(self): + self.logger = logging.getLogger("svc") + + def _setup_handlers(self, logfilepath="/var/log/func/func.log"): + handler = logging.FileHandler(logfilepath, "a") + self.logger.setLevel(self.loglevel) + formatter = logging.Formatter("%(asctime)s - %(levelname)s - %(message)s") + handler.setFormatter(formatter) + self.logger.addHandler(handler) + self._no_handlers = False + + +class AuditLogger(Singleton): + _no_handlers = True + def __init__(self, logfilepath = "/var/log/func/audit.log"): + self.loglevel = logging.INFO + self._setup_logging() + if self._no_handlers: + self._setup_handlers(logfilepath=logfilepath) + + def log_call(self, ip, CN, cert_hash, method, params): + # square away a good parseable format at some point -akl + self.logger.info("%s %s %s %s called with %s" % (ip, CN, cert_hash, method, params)) + + + def _setup_logging(self): + self.logger = logging.getLogger("audit") + + def _setup_handlers(self, logfilepath="/var/log/func/audit.log"): + handler = logging.FileHandler(logfilepath, "a") + self.logger.setLevel(self.loglevel) + formatter = logging.Formatter("%(asctime)s - %(message)s") + handler.setFormatter(formatter) + self.logger.addHandler(handler) + self._no_handlers = False diff --git a/func/minion/AuthedXMLRPCServer.py b/func/minion/AuthedXMLRPCServer.py new file mode 100644 index 0000000..0ec9ce0 --- /dev/null +++ b/func/minion/AuthedXMLRPCServer.py @@ -0,0 +1,140 @@ +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Library General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +# +# Copyright 2005 Dan Williams and Red Hat, Inc. +# Modifications by Seth Vidal - 2007 + +import sys +import socket +import SimpleXMLRPCServer +from func import SSLCommon +import OpenSSL +import SocketServer + + +class AuthedSimpleXMLRPCRequestHandler(SimpleXMLRPCServer.SimpleXMLRPCRequestHandler): + + # For some reason, httplib closes the connection right after headers + # have been sent if the connection is _not_ HTTP/1.1, which results in + # a "Bad file descriptor" error when the client tries to read from the socket + protocol_version = "HTTP/1.1" + + def setup(self): + """ + We need to use socket._fileobject Because SSL.Connection + doesn't have a 'dup'. Not exactly sure WHY this is, but + this is backed up by comments in socket.py and SSL/connection.c + """ + self.connection = self.request # for doPOST + self.rfile = socket._fileobject(self.request, "rb", self.rbufsize) + self.wfile = socket._fileobject(self.request, "wb", self.wbufsize) + + def do_POST(self): + self.server._this_request = (self.request, self.client_address) + try: + SimpleXMLRPCServer.SimpleXMLRPCRequestHandler.do_POST(self) + except socket.timeout: + pass + except (socket.error, OpenSSL.SSL.SysCallError), e: + print "Error (%s): socket error - '%s'" % (self.client_address, e) + + +class BaseAuthedXMLRPCServer(SocketServer.ThreadingMixIn): + def __init__(self, address, authinfo_callback=None): + self.allow_reuse_address = 1 + self.logRequests = 1 + self.authinfo_callback = authinfo_callback + + self.funcs = {} + self.instance = None + + def get_authinfo(self, request, client_address): + print 'down here' + if self.authinfo_callback: + return self.authinfo_callback(request, client_address) + return None + + +class AuthedSSLXMLRPCServer(BaseAuthedXMLRPCServer, SSLCommon.BaseSSLServer, SimpleXMLRPCServer.SimpleXMLRPCServer): + """ Extension to allow more fine-tuned SSL handling """ + + def __init__(self, address, pkey, cert, ca_cert, authinfo_callback=None, timeout=None): + BaseAuthedXMLRPCServer.__init__(self, address, authinfo_callback) + SimpleXMLRPCServer.SimpleXMLRPCServer.__init__(self, address, AuthedSimpleXMLRPCRequestHandler) + SSLCommon.BaseSSLServer.__init__(self, address, AuthedSimpleXMLRPCRequestHandler, pkey, cert, ca_cert, timeout=timeout) + + + +class AuthedXMLRPCServer(BaseAuthedXMLRPCServer, SSLCommon.BaseServer, SimpleXMLRPCServer.SimpleXMLRPCServer): + + def __init__(self, address, authinfo_callback=None): + BaseAuthedXMLRPCServer.__init__(self, address, authinfo_callback) + SSLCommon.BaseServer.__init__(self, address, AuthedSimpleXMLRPCRequestHandler) + + +########################################################### +# Testing stuff +########################################################### + +class ReqHandler: + def ping(self, callerid, trynum): + print 'clearly not' + print callerid + print trynum + return "pong %d / %d" % (callerid, trynum) + +class TestServer(AuthedSSLXMLRPCServer): + """ + SSL XMLRPC server that authenticates clients based on their certificate. + """ + + def __init__(self, address, pkey, cert, ca_cert): + AuthedSSLXMLRPCServer.__init__(self, address, pkey, cert, ca_cert, self.auth_cb) + + def _dispatch(self, method, params): + if method == 'trait_names' or method == '_getAttributeNames': + return dir(self) + # if we have _this_request then we get the peer cert from it + # handling all the authZ checks in _dispatch() means we don't even call the method + # for whatever it wants to do and we have the method name. + + if hasattr(self, '_this_request'): + r,a = self._this_request + p = r.get_peer_certificate() + print dir(p) + print p.get_subject() + else: + print 'no cert' + + return "your mom" + + def auth_cb(self, request, client_address): + peer_cert = request.get_peer_certificate() + return peer_cert.get_subject().CN + + +if __name__ == '__main__': + if len(sys.argv) < 4: + print "Usage: python AuthdXMLRPCServer.py key cert ca_cert" + sys.exit(1) + + pkey = sys.argv[1] + cert = sys.argv[2] + ca_cert = sys.argv[3] + + print "Starting the server." + server = TestServer(('localhost', 51234), pkey, cert, ca_cert) + h = ReqHandler() + server.register_instance(h) + server.serve_forever() diff --git a/func/minion/Makefile b/func/minion/Makefile new file mode 100755 index 0000000..d630382 --- /dev/null +++ b/func/minion/Makefile @@ -0,0 +1,24 @@ + + +PYFILES = $(wildcard *.py) +PYDIRS = modules + +PYCHECKER = /usr/bin/pychecker +PYFLAKES = /usr/bin/pyflakes + +clean:: + @rm -fv *.pyc *~ .*~ *.pyo + @find . -name .\#\* -exec rm -fv {} \; + @rm -fv *.rpm + + +pychecker:: + @$(PYCHECKER) $(PYFILES) || exit 0 + +pyflakes:: + @$(PYFLAKES) $(PYFILES) || exit 0 + +pychecker:: + -for d in $(PYDIRS); do ($(MAKE) -C $$d pychecker ); done +pyflakes:: + -for d in $(PYDIRS); do ($(MAKE) -C $$d pyflakes ); done diff --git a/func/minion/__init__.py b/func/minion/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/func/minion/codes.py b/func/minion/codes.py new file mode 100755 index 0000000..a20c95e --- /dev/null +++ b/func/minion/codes.py @@ -0,0 +1,29 @@ +""" +func + +Copyright 2007, Red Hat, Inc +See AUTHORS + +This software may be freely redistributed under the terms of the GNU +general public license. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +""" + +import exceptions + + +class FuncException(exceptions.Exception): + pass + + +class InvalidMethodException(FuncException): + pass + + +class AccessToMethodDenied(FuncException): + pass + +# FIXME: more sub-exceptions maybe diff --git a/func/minion/module_loader.py b/func/minion/module_loader.py new file mode 100755 index 0000000..3068ea8 --- /dev/null +++ b/func/minion/module_loader.py @@ -0,0 +1,118 @@ +## func +## +## Copyright 2007, Red Hat, Inc +## See AUTHORS +## +## This software may be freely redistributed under the terms of the GNU +## general public license. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +## +## + + +import distutils.sysconfig +import os +import sys +from gettext import gettext +_ = gettext + +from func import logger +logger = logger.Logger().logger + +from inspect import isclass +from func.minion.modules import func_module + +def module_walker(topdir): + module_files = [] + for root, dirs, files in os.walk(topdir): + # we should get here for each subdir + for filename in files: + # ASSUMPTION: all module files will end with .py, .pyc, .pyo + if filename[-3:] == ".py" or filename[-4:] == ".pyc" or filename[-4:] == ".pyo": + # the normpath is important, since we eventually replace /'s with .'s + # in the module name, and foo..bar doesnt work -akl + module_files.append(os.path.normpath("%s/%s" % (root, filename))) + + + return module_files + +def load_modules(blacklist=None): + + module_file_path="%s/func/minion/modules/" % distutils.sysconfig.get_python_lib() + mod_path="%s/func/minion/" % distutils.sysconfig.get_python_lib() + + sys.path.insert(0, mod_path) + mods = {} + bad_mods = {} + + filenames = module_walker(module_file_path) + + # FIXME: this is probably more complicated than it needs to be -akl + for fn in filenames: + # aka, everything after the module_file_path + module_name_part = fn[len(module_file_path):] + dirname, basename = os.path.split(module_name_part) + + if basename[:8] == "__init__": + modname = dirname + dirname = "" + elif basename[-3:] == ".py": + modname = basename[:-3] + elif basename[-4:] in [".pyc", ".pyo"]: + modname = basename[:-4] + + pathname = modname + if dirname != "": + pathname = "%s/%s" % (dirname, modname) + + mod_imp_name = pathname.replace("/", ".") + + if mods.has_key(mod_imp_name): + # If we've already imported mod_imp_name, don't import it again + continue + + # ignore modules that we've already determined aren't valid modules + if bad_mods.has_key(mod_imp_name): + continue + + try: + # Auto-detect and load all FuncModules + blip = __import__("modules.%s" % ( mod_imp_name), globals(), locals(), [mod_imp_name]) + for obj in dir(blip): + attr = getattr(blip, obj) + if isclass(attr) and issubclass(attr, func_module.FuncModule): + logger.debug("Loading %s module" % attr) + mods[mod_imp_name] = attr() + + except ImportError, e: + # A module that raises an ImportError is (for now) simply not loaded. + errmsg = _("Could not load %s module: %s") + logger.warning(errmsg % (mod_imp_name, e)) + bad_mods[mod_imp_name] = True + continue + except: + errmsg = _("Could not load %s module") + logger.warning(errmsg % (mod_imp_name)) + bad_mods[mod_imp_name] = True + continue + + return mods + + +if __name__ == "__main__": + + module_file_path = "/usr/lib/python2.5/site-packages/func/minion/modules/" + bar = module_walker(module_file_path) + print bar + for f in bar: + print f + print os.path.basename(f) + print os.path.split(f) + g = f[len(module_file_path):] + print g + print os.path.split(g) + + print load_modules() diff --git a/func/minion/modules/Makefile b/func/minion/modules/Makefile new file mode 100755 index 0000000..f2bc6c4 --- /dev/null +++ b/func/minion/modules/Makefile @@ -0,0 +1,18 @@ + + +PYFILES = $(wildcard *.py) + +PYCHECKER = /usr/bin/pychecker +PYFLAKES = /usr/bin/pyflakes + +clean:: + @rm -fv *.pyc *~ .*~ *.pyo + @find . -name .\#\* -exec rm -fv {} \; + @rm -fv *.rpm + + +pychecker:: + @$(PYCHECKER) $(PYFILES) || exit 0 + +pyflakes:: + @$(PYFLAKES) $(PYFILES) || exit 0 diff --git a/func/minion/modules/__init__.py b/func/minion/modules/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/func/minion/modules/certmaster.py b/func/minion/modules/certmaster.py new file mode 100644 index 0000000..9ca484f --- /dev/null +++ b/func/minion/modules/certmaster.py @@ -0,0 +1,65 @@ +## -*- coding: utf-8 -*- +## +## Process lister (control TBA) +## +## Copyright 2008, Red Hat, Inc +## Michael DeHaan +## +## This software may be freely redistributed under the terms of the GNU +## general public license. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +## + +# other modules +import sub_process +import codes + +# our modules +import func_module +from func import certmaster as certmaster + +# ================================= + +class CertMasterModule(func_module.FuncModule): + + version = "0.0.1" + api_version = "0.0.1" + description = "Administers certs on an overlord." + + def get_hosts_to_sign(self, list_of_hosts): + """ + ... + """ + list_of_hosts = self.__listify(list_of_hosts) + cm = certmaster.CertMaster() + return cm.get_csrs_waiting() + + def sign_hosts(self, list_of_hosts): + """ + ... + """ + list_of_hosts = self.__listify(list_of_hosts) + cm = certmaster.CertMaster() + for x in list_of_hosts: + cm.sign_this_csr(x) + return True + + def cleanup_hosts(self, list_of_hosts): + """ + ... + """ + list_of_hosts = self.__listify(list_of_hosts) + cm = certmaster.CertMaster() + for x in list_of_hosts: + cm.remove_this_cert(x) + return True + + def __listify(self, list_of_hosts): + if type(list_of_hosts) is type([]): + return list_of_hosts + else: + return [ list_of_hosts ] + diff --git a/func/minion/modules/command.py b/func/minion/modules/command.py new file mode 100644 index 0000000..cc463cf --- /dev/null +++ b/func/minion/modules/command.py @@ -0,0 +1,44 @@ +# Copyright 2007, Red Hat, Inc +# James Bowes +# Steve 'Ashcrow' Milner +# +# This software may be freely redistributed under the terms of the GNU +# general public license. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +""" +Abitrary command execution module for func. +""" + +import func_module +import sub_process + +class Command(func_module.FuncModule): + + version = "0.0.1" + api_version = "0.0.1" + description = "Works with shell commands." + + def run(self, command): + """ + Runs a command, returning the return code, stdout, and stderr as a tuple. + NOT FOR USE WITH INTERACTIVE COMMANDS. + """ + + cmdref = sub_process.Popen(command.split(), stdout=sub_process.PIPE, + stderr=sub_process.PIPE, shell=False) + data = cmdref.communicate() + return (cmdref.returncode, data[0], data[1]) + + def exists(self, command): + """ + Checks to see if a command exists on the target system(s). + """ + import os + + if os.access(command, os.X_OK): + return True + return False diff --git a/func/minion/modules/copyfile.py b/func/minion/modules/copyfile.py new file mode 100644 index 0000000..150af88 --- /dev/null +++ b/func/minion/modules/copyfile.py @@ -0,0 +1,109 @@ +# Copyright 2007, Red Hat, Inc +# seth vidal +# +# This software may be freely redistributed under the terms of the GNU +# general public license. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + + +import sha +import os +import time +import shutil + +import func_module + + +class CopyFile(func_module.FuncModule): + + version = "0.0.1" + api_version = "0.0.2" + description = "Allows for smart copying of a file." + + def _checksum_blob(self, blob): + thissum = sha.new() + thissum.update(blob) + return thissum.hexdigest() + + def checksum(self, thing): + + CHUNK=2**16 + thissum = sha.new() + if os.path.exists(thing): + fo = open(thing, 'r', CHUNK) + chunk = fo.read + while chunk: + chunk = fo.read(CHUNK) + thissum.update(chunk) + fo.close() + del fo + else: + # assuming it's a string of some kind + thissum.update(thing) + + return thissum.hexdigest() + + + def copyfile(self, filepath, filebuf, mode=0644, uid=0, gid=0, force=None): + # -1 = problem file was not copied + # 1 = file was copied + # 0 = file was not copied b/c file is unchanged + + + # we should probably verify mode,uid,gid are valid as well + + dirpath = os.path.dirname(filepath) + if not os.path.exists(dirpath): + os.makedirs(dirpath) + + remote_sum = self._checksum_blob(filebuf.data) + local_sum = 0 + if os.path.exists(filepath): + local_sum = self.checksum(filepath) + + if remote_sum != local_sum or force is not None: + # back up the localone + if os.path.exists(filepath): + if not self._backuplocal(filepath): + return -1 + + # do the new write + try: + fo = open(filepath, 'w') + fo.write(filebuf.data) + fo.close() + del fo + except (IOError, OSError), e: + # XXX logger output here + return -1 + else: + return 0 + + # hmm, need to figure out proper exceptions -akl + try: + # we could intify the mode here if it's a string + os.chmod(filepath, mode) + os.chown(filepath, uid, gid) + except (IOError, OSError), e: + return -1 + + return 1 + + def _backuplocal(self, fn): + """ + make a date-marked backup of the specified file, + return True or False on success or failure + """ + # backups named basename-YYYY-MM-DD@HH:MM~ + ext = time.strftime("%Y-%m-%d@%H:%M~", time.localtime(time.time())) + backupdest = '%s.%s' % (fn, ext) + + try: + shutil.copy2(fn, backupdest) + except shutil.Error, e: + #XXX logger output here + return False + return True diff --git a/func/minion/modules/filetracker.py b/func/minion/modules/filetracker.py new file mode 100644 index 0000000..f5f9dbb --- /dev/null +++ b/func/minion/modules/filetracker.py @@ -0,0 +1,192 @@ +## func +## +## filetracker +## maintains a manifest of files of which to keep track +## provides file meta-data (and optionally full data) to func-inventory +## +## (C) Vito Laurenza +## + Michael DeHaan +## +## This software may be freely redistributed under the terms of the GNU +## general public license. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +## + +# func modules +import func_module + +# other modules +from stat import * +import glob +import os +import md5 + +# defaults +CONFIG_FILE='/etc/func/modules/filetracker.conf' + +class FileTracker(func_module.FuncModule): + + version = "0.0.1" + api_version = "0.0.1" + description = "Maintains a manifest of files to keep track of." + + def __load(self): + """ + Parse file and return data structure. + """ + + filehash = {} + if os.path.exists(CONFIG_FILE): + config = open(CONFIG_FILE, "r") + data = config.read() + lines = data.split("\n") + for line in lines: + tokens = line.split(None) + if len(tokens) < 2: + continue + scan_mode = tokens[0] + path = " ".join(tokens[1:]) + if str(scan_mode).lower() == "0": + scan_mode = 0 + else: + scan_mode = 1 + filehash[path] = scan_mode + return filehash + + #========================================================== + + def __save(self, filehash): + """ + Write data structure to file. + """ + + config = open(CONFIG_FILE, "w+") + for (path, scan_mode) in filehash.iteritems(): + config.write("%s %s\n" % (scan_mode, path)) + config.close() + + #========================================================== + + def track(self, file_name, full_scan=0): + """ + Adds files to keep track of. + full_scan implies tracking the full contents of the file, defaults to off + """ + + filehash = self.__load() + filehash[file_name] = full_scan + self.__save(filehash) + return 1 + + #========================================================== + + def untrack(self, file_name): + """ + Stop keeping track of a file. + This routine is tolerant of most errors since we're forgetting about the file anyway. + """ + + filehash = self.__load() + if file_name in filehash.keys(): + del filehash[file_name] + self.__save(filehash) + return 1 + + #========================================================== + + def inventory(self, flatten=1, checksum_enabled=1): + """ + Returns information on all tracked files + By default, 'flatten' is passed in as True, which makes printouts very clean in diffs + for use by func-inventory. If you are writting another software application, using flatten=False will + prevent the need to parse the returns. + """ + + # XMLRPC feeds us strings from the CLI when it shouldn't + flatten = int(flatten) + checksum_enabled = int(checksum_enabled) + + filehash = self.__load() + + # we'll either return a very flat string (for clean diffs) + # or a data structure + if flatten: + results = "" + else: + results = [] + + for (file_name, scan_type) in filehash.iteritems(): + + if not os.path.exists(file_name): + if flatten: + results = results + "%s: does not exist\n" % file_name + else: + results.append("%s: does not exist\n" % file_name) + continue + + this_result = [] + + # ----- always process metadata + filestat = os.stat(file_name) + mode = filestat[ST_MODE] + mtime = filestat[ST_MTIME] + uid = filestat[ST_UID] + gid = filestat[ST_GID] + if not os.path.isdir(file_name) and checksum_enabled: + sum_handle = open(file_name) + hash = self.__sumfile(sum_handle) + sum_handle.close() + else: + hash = "N/A" + + # ------ what we return depends on flatten + if flatten: + this_result = "%s: mode=%s mtime=%s uid=%s gid=%s md5sum=%s\n" % (file_name,mode,mtime,uid,gid,hash) + else: + this_result = [file_name,mode,mtime,uid,gid,hash] + + # ------ add on file data only if requested + if scan_type != 0 and os.path.isfile(file_name): + tracked_file = open(file_name) + data = tracked_file.read() + if flatten: + this_result = this_result + "*** DATA ***\n" + data + "\n*** END DATA ***\n\n" + else: + this_result.append(data) + tracked_file.close() + + if os.path.isdir(file_name): + if not file_name.endswith("/"): + file_name = file_name + "/" + files = glob.glob(file_name + "*") + if flatten: + this_result = this_result + "*** FILES ***\n" + "\n".join(files) + "\n*** END FILES ***\n\n" + else: + this_result.append({"files" : files}) + + if flatten: + results = results + "\n" + this_result + else: + results.append(this_result) + + + return results + + #========================================================== + + def __sumfile(self, fobj): + """ + Returns an md5 hash for an object with read() method. + credit: http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/266486 + """ + + m = md5.new() + while True: + d = fobj.read(8096) + if not d: + break + m.update(d) + return m.hexdigest() diff --git a/func/minion/modules/func_module.py b/func/minion/modules/func_module.py new file mode 100644 index 0000000..7d476dc --- /dev/null +++ b/func/minion/modules/func_module.py @@ -0,0 +1,76 @@ +## +## Copyright 2007, Red Hat, Inc +## see AUTHORS +## +## This software may be freely redistributed under the terms of the GNU +## general public license. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +## + +import inspect + +from func import logger +from func.config import read_config +from func.commonconfig import FuncdConfig + + +class FuncModule(object): + + # the version is meant to + version = "0.0.0" + api_version = "0.0.0" + description = "No Description provided" + + def __init__(self): + + config_file = '/etc/func/minion.conf' + self.config = read_config(config_file, FuncdConfig) + self.__init_log() + self.__base_methods = { + # __'s so we don't clobber useful names + "module_version" : self.__module_version, + "module_api_version" : self.__module_api_version, + "module_description" : self.__module_description, + "list_methods" : self.__list_methods + } + + def __init_log(self): + log = logger.Logger() + self.logger = log.logger + + def register_rpc(self, handlers, module_name): + # add the internal methods, note that this means they + # can get clobbbered by subclass versions + for meth in self.__base_methods: + handlers["%s.%s" % (module_name, meth)] = self.__base_methods[meth] + + # register our module's handlers + for name, handler in self.__list_handlers().items(): + handlers["%s.%s" % (module_name, name)] = handler + + def __list_handlers(self): + """ Return a dict of { handler_name, method, ... }. + All methods that do not being with an underscore will be exposed. + We also make sure to not expose our register_rpc method. + """ + handlers = {} + for attr in dir(self): + if inspect.ismethod(getattr(self, attr)) and attr[0] != '_' and \ + attr != 'register_rpc': + handlers[attr] = getattr(self, attr) + return handlers + + def __list_methods(self): + return self.__list_handlers().keys() + self.__base_methods.keys() + + def __module_version(self): + return self.version + + def __module_api_version(self): + return self.api_version + + def __module_description(self): + return self.description diff --git a/func/minion/modules/func_module.py.orig b/func/minion/modules/func_module.py.orig new file mode 100644 index 0000000..c911b91 --- /dev/null +++ b/func/minion/modules/func_module.py.orig @@ -0,0 +1,65 @@ +## +## Copyright 2007, Red Hat, Inc +## see AUTHORS +## +## This software may be freely redistributed under the terms of the GNU +## general public license. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +## + +import inspect + +from func import logger +from func.config import read_config +from func.commonconfig import FuncdConfig + + +class FuncModule(object): + + # the version is meant to + version = "0.0.0" + api_version = "0.0.0" + description = "No Description provided" + + def __init__(self): + + config_file = '/etc/func/minion.conf' + self.config = read_config(config_file, FuncdConfig) + self.__init_log() + self.__base_methods = { + # __'s so we don't clobber useful names + "module_version" : self.__module_version, + "module_api_version" : self.__module_api_version, + "module_description" : self.__module_description, + "list_methods" : self.__list_methods + } + + def __init_log(self): + log = logger.Logger() + self.logger = log.logger + + def register_rpc(self, handlers, module_name): + # add the internal methods, note that this means they + # can get clobbbered by subclass versions + for meth in self.__base_methods: + handlers["%s.%s" % (module_name, meth)] = self.__base_methods[meth] + + # register all methods that don't start with an underscore + for attr in dir(self): + if inspect.ismethod(getattr(self, attr)) and attr[0] != '_': + handlers["%s.%s" % (module_name, attr)] = getattr(self, attr) + + def __list_methods(self): + return self.methods.keys() + self.__base_methods.keys() + + def __module_version(self): + return self.version + + def __module_api_version(self): + return self.api_version + + def __module_description(self): + return self.description diff --git a/func/minion/modules/hardware.py b/func/minion/modules/hardware.py new file mode 100644 index 0000000..46b1821 --- /dev/null +++ b/func/minion/modules/hardware.py @@ -0,0 +1,130 @@ +## +## Hardware profiler plugin +## requires the "smolt" client package be installed +## but also relies on lspci for some things +## +## Copyright 2007, Red Hat, Inc +## Michael DeHaan +## +## This software may be freely redistributed under the terms of the GNU +## general public license. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +## + + +# other modules +import sys + +# our modules +import sub_process +import func_module + +# ================================= + +class HardwareModule(func_module.FuncModule): + + version = "0.0.1" + api_version = "0.0.1" + description = "Hardware profiler." + + def hal_info(self): + """ + Returns the output of lshal, but split up into seperate devices + for easier parsing. Each device is a entry in the return hash. + """ + + cmd = sub_process.Popen(["/usr/bin/lshal"],shell=False,stdout=sub_process.PIPE) + data = cmd.communicate()[0] + + data = data.split("\n") + + results = {} + current = "" + label = data[0] + for d in data: + if d == '': + results[label] = current + current = "" + label = "" + else: + if label == "": + label = d + current = current + d + + return results + + def inventory(self): + data = hw_info(with_devices=True) + # remove bogomips because it keeps changing for laptops + # and makes inventory tracking noisy + if data.has_key("bogomips"): + del data["bogomips"] + return data + + def info(self,with_devices=True): + """ + Returns a struct of hardware information. By default, this pulls down + all of the devices. If you don't care about them, set with_devices to + False. + """ + return hw_info(with_devices) + +# ================================= + +def hw_info(with_devices=True): + + # this may fail if smolt is not installed. That's ok. hal_info will + # still work. + + # hack: smolt is not installed in site-packages + sys.path.append("/usr/share/smolt/client") + import smolt + + hardware = smolt.Hardware() + host = hardware.host + + # NOTE: casting is needed because these are DBusStrings, not real strings + data = { + 'os' : str(host.os), + 'defaultRunlevel' : str(host.defaultRunlevel), + 'bogomips' : str(host.bogomips), + 'cpuVendor' : str(host.cpuVendor), + 'cpuModel' : str(host.cpuModel), + 'numCpus' : str(host.numCpus), + 'cpuSpeed' : str(host.cpuSpeed), + 'systemMemory' : str(host.systemMemory), + 'systemSwap' : str(host.systemSwap), + 'kernelVersion' : str(host.kernelVersion), + 'language' : str(host.language), + 'platform' : str(host.platform), + 'systemVendor' : str(host.systemVendor), + 'systemModel' : str(host.systemModel), + 'formfactor' : str(host.formfactor), + 'selinux_enabled' : str(host.selinux_enabled), + 'selinux_enforce' : str(host.selinux_enforce) + } + + # if no hardware info requested, just return the above bits + if not with_devices: + return data + + collection = data["devices"] = [] + + for item in hardware.deviceIter(): + + (VendorID,DeviceID,SubsysVendorID,SubsysDeviceID,Bus,Driver,Type,Description) = item + + collection.append({ + "VendorID" : str(VendorID), + "DeviceID" : str(DeviceID), + "SubsysVendorID" : str(SubsysVendorID), + "Bus" : str(Bus), + "Driver" : str(Driver), + "Type" : str(Type), + "Description" : str(Description) + }) + + return data diff --git a/func/minion/modules/jobs.py b/func/minion/modules/jobs.py new file mode 100644 index 0000000..69fb75f --- /dev/null +++ b/func/minion/modules/jobs.py @@ -0,0 +1,36 @@ +## (Largely internal) module for access to asynchoronously dispatched +## module job ID's. The Func Client() module wraps most of this usage +## so it's not entirely relevant to folks using the CLI or Func API +## directly. +## +## Copyright 2008, Red Hat, Inc +## Michael DeHaan +## +## This software may be freely redistributed under the terms of the GNU +## general public license. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +## + +import codes +from func import jobthing +import func_module + +# ================================= + +class JobsModule(func_module.FuncModule): + + version = "0.0.1" + api_version = "0.0.1" + description = "Internal module for tracking background minion tasks." + + def job_status(self, job_id): + """ + Returns job status in the form of (status, datastruct). + Datastruct is undefined for unfinished jobs. See jobthing.py and + Wiki details on async invocation for more information. + """ + return jobthing.job_status(job_id) + diff --git a/func/minion/modules/mount.py b/func/minion/modules/mount.py new file mode 100644 index 0000000..0db914f --- /dev/null +++ b/func/minion/modules/mount.py @@ -0,0 +1,84 @@ +## +## Mount manager +## +## Copyright 2007, Red Hat, Inc +## John Eckersberg +## +## This software may be freely redistributed under the terms of the GNU +## general public license. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +## + +import sub_process, os +import func_module + + +class MountModule(func_module.FuncModule): + + version = "0.0.1" + api_version = "0.0.1" + description = "Mounting, unmounting and getting information on mounted filesystems." + + def list(self): + cmd = sub_process.Popen(["/bin/cat", "/proc/mounts"], executable="/bin/cat", stdout=sub_process.PIPE, shell=False) + data = cmd.communicate()[0] + + mounts = [] + lines = [l for l in data.split("\n") if l] #why must you append blank crap? + + for line in lines: + curmount = {} + tokens = line.split() + curmount['device'] = tokens[0] + curmount['dir'] = tokens[1] + curmount['type'] = tokens[2] + curmount['options'] = tokens[3] + mounts.append(curmount) + + return mounts + + def mount(self, device, dir, type="auto", options=None, createdir=False): + cmdline = ["/bin/mount", "-t", type] + if options: + cmdline.append("-o") + cmdline.append(options) + cmdline.append(device) + cmdline.append(dir) + if createdir: + try: + os.makedirs(dir) + except: + return False + cmd = sub_process.Popen(cmdline, executable="/bin/mount", stdout=sub_process.PIPE, shell=False) + if cmd.wait() == 0: + return True + else: + return False + + def umount(self, dir, killall=False, force=False, lazy=False): + # succeed if its not mounted + if not os.path.ismount(dir): + return True + + if killall: + cmd = sub_process.Popen(["/sbin/fuser", "-mk", dir], executable="/sbin/fuser", stdout=sub_process.PIPE, shell=False) + cmd.wait() + + cmdline = ["/bin/umount"] + if force: + cmdline.append("-f") + if lazy: + cmdline.append("-l") + cmdline.append(dir) + + cmd = sub_process.Popen(cmdline, executable="/bin/umount", stdout=sub_process.PIPE, shell=False) + if cmd.wait() == 0: + return True + else: + return False + + def inventory(self, flatten=True): + return self.list() diff --git a/func/minion/modules/nagios-check.py b/func/minion/modules/nagios-check.py new file mode 100644 index 0000000..f1c0714 --- /dev/null +++ b/func/minion/modules/nagios-check.py @@ -0,0 +1,34 @@ +# Copyright 2007, Red Hat, Inc +# James Bowes +# Seth Vidal modified command.py to be nagios-check.py +# +# This software may be freely redistributed under the terms of the GNU +# general public license. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +""" +Abitrary command execution module for func. +""" + +import func_module +import sub_process + +class Nagios(func_module.FuncModule): + + version = "0.0.1" + api_version = "0.0.1" + description = "Runs nagios checks." + + def run(self, check_command): + """ + Runs a nagios check returning the return code, stdout, and stderr as a tuple. + """ + nagios_path='/usr/lib/nagios/plugins' + command = '%s/%s' % (nagios_path, check_command) + + cmdref = sub_process.Popen(command.split(),stdout=sub_process.PIPE,stderr=sub_process.PIPE, shell=False) + data = cmdref.communicate() + return (cmdref.returncode, data[0], data[1]) diff --git a/func/minion/modules/netapp/README b/func/minion/modules/netapp/README new file mode 100644 index 0000000..5ecb205 --- /dev/null +++ b/func/minion/modules/netapp/README @@ -0,0 +1,8 @@ +This module is meant to be installed on a minion which is configured +as an admin host for one or more NetApp filers. Since we can't get +our funcy awesomeness on the actual filer the admin host will have to do. + +Requirements: + +- passphraseless ssh key access from root on the netapp admin minion + to root on the target filer diff --git a/func/minion/modules/netapp/TODO b/func/minion/modules/netapp/TODO new file mode 100644 index 0000000..25d914c --- /dev/null +++ b/func/minion/modules/netapp/TODO @@ -0,0 +1,5 @@ +Wrap every possible NetApp command :) + +I'm only going to do the ones that are important to me. If you have +some that are important to you, feel free to submit patches to +func-list@redhat.com and harness the power of open source! diff --git a/func/minion/modules/netapp/__init__.py b/func/minion/modules/netapp/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/func/minion/modules/netapp/common.py b/func/minion/modules/netapp/common.py new file mode 100644 index 0000000..979c95c --- /dev/null +++ b/func/minion/modules/netapp/common.py @@ -0,0 +1,49 @@ +## +## NetApp Filer 'common' Module +## +## Copyright 2008, Red Hat, Inc +## John Eckersberg +## +## This software may be freely redistributed under the terms of the GNU +## general public license. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +## + +import re +import sub_process + +SSH = '/usr/bin/ssh' +SSH_USER = 'root' +SSH_OPTS = '-o forwardagent=no' +class GenericSSHError(Exception): pass +class NetappCommandError(Exception): pass + +def ssh(host, cmdargs, input=None, user=SSH_USER): + cmdline = [SSH, SSH_OPTS, "%s@%s" % (user, host)] + cmdline.extend(cmdargs) + + cmd = sub_process.Popen(cmdline, + executable=SSH, + stdin=sub_process.PIPE, + stdout=sub_process.PIPE, + stderr=sub_process.PIPE, + shell=False) + + (out, err) = cmd.communicate(input) + + if cmd.wait() != 0: + raise GenericSSHError, err + else: + return out + err + +def check_output(regex, output): + #strip newlines + output = output.replace('\n', ' ') + if re.search(regex, output): + return True + else: + raise NetappCommandError, output + diff --git a/func/minion/modules/netapp/snap.py b/func/minion/modules/netapp/snap.py new file mode 100644 index 0000000..8f3f209 --- /dev/null +++ b/func/minion/modules/netapp/snap.py @@ -0,0 +1,49 @@ +## +## NetApp Filer 'snap' Module +## +## Copyright 2008, Red Hat, Inc +## John Eckersberg +## +## This software may be freely redistributed under the terms of the GNU +## general public license. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +## + +import re +from func.minion.modules import func_module +from func.minion.modules.netapp.common import * + +class Snap(func_module.FuncModule): + + # Update these if need be. + version = "0.0.1" + api_version = "0.0.1" + description = "Interface to the 'snap' command" + + def create(self, filer, vol, snap): + """ + TODO: Document me ... + """ + regex = """creating snapshot...""" + cmd_opts = ['snap', 'create', vol, snap] + output = ssh(filer, cmd_opts) + return check_output(regex, output) + + def delete(self, filer, vol, snap): + """ + TODO: Document me ... + """ + regex = """deleting snapshot...""" + cmd_opts = ['snap', 'delete', vol, snap] + output = ssh(filer, cmd_opts) + return check_output(regex, output) + + def list(self, filer, vol): + """ + TODO: Document me ... + """ + return True + diff --git a/func/minion/modules/netapp/vol/__init__.py b/func/minion/modules/netapp/vol/__init__.py new file mode 100644 index 0000000..14ce0ac --- /dev/null +++ b/func/minion/modules/netapp/vol/__init__.py @@ -0,0 +1,128 @@ +## +## NetApp Filer 'Vol' Module +## +## Copyright 2008, Red Hat, Inc +## John Eckersberg +## +## This software may be freely redistributed under the terms of the GNU +## general public license. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +## + +import re +from func.minion.modules import func_module +from func.minion.modules.netapp.common import * + +class Vol(func_module.FuncModule): + + # Update these if need be. + version = "0.0.1" + api_version = "0.0.1" + description = "Interface to the 'vol' command" + + def create(self, filer, vol, aggr, size): + """ + TODO: Document me ... + """ + regex = """Creation of volume .* has completed.""" + cmd_opts = ['vol', 'create', vol, aggr, size] + output = ssh(filer, cmd_opts) + return check_output(regex, output) + + def destroy(self, filer, vol): + """ + TODO: Document me ... + """ + regex = """Volume .* destroyed.""" + cmd_opts = ['vol', 'destroy', vol, '-f'] + output = ssh(filer, cmd_opts) + return check_output(regex, output) + + def offline(self, filer, vol): + """ + TODO: Document me ... + """ + regex = """Volume .* is now offline.""" + cmd_opts = ['vol', 'offline', vol] + output = ssh(filer, cmd_opts) + return check_output(regex, output) + + def online(self, filer, vol): + """ + TODO: Document me ... + """ + regex = """Volume .* is now online.""" + cmd_opts = ['vol', 'online', vol] + output = ssh(filer, cmd_opts) + return check_output(regex, output) + + def status(self, filer, vol=None): + """ + TODO: Document me ... + """ + cmd_opts = ['vol', 'status'] + output = ssh(filer, cmd_opts) + + output = output.replace(',', ' ') + lines = output.split('\n')[1:] + + vols = [] + current_vol = {} + for line in lines: + tokens = line.split() + if len(tokens) >= 2 and tokens[1] in ('online', 'offline', 'restricted'): + if current_vol: vols.append(current_vol) + current_vol = {'name': tokens[0], + 'state': tokens[1], + 'status': [foo for foo in tokens[2:] if '=' not in foo], + 'options': [foo for foo in tokens[2:] if '=' in foo]} + else: + current_vol['status'].extend([foo for foo in tokens if '=' not in foo]) + current_vol['options'].extend([foo for foo in tokens if '=' in foo]) + vols.append(current_vol) + + if vol: + try: + return [foo for foo in vols if foo['name'] == vol][0] + except: + raise NetappCommandError, "No such volume: %s" % vol + else: + return vols + + def size(self, filer, vol, delta=None): + """ + TODO: Document me ... + """ + stat_regex = """vol size: Flexible volume .* has size .*.""" + resize_regex = """vol size: Flexible volume .* size set to .*.""" + cmd_opts = ['vol', 'size', vol] + + if delta: + cmd_opts.append(delta) + output = ssh(filer, cmd_opts) + return check_output(resize_regex, output) + else: + output = ssh(filer, cmd_opts) + check_output(stat_regex, output) + return output.split()[-1][:-1] + + def options(self, filer, args): + """ + TODO: Document me ... + """ + pass + + def rename(self, filer, args): + """ + TODO: Document me ... + """ + pass + + def restrict(self, filer, args): + """ + TODO: Document me ... + """ + pass diff --git a/func/minion/modules/netapp/vol/clone.py b/func/minion/modules/netapp/vol/clone.py new file mode 100644 index 0000000..715d8a8 --- /dev/null +++ b/func/minion/modules/netapp/vol/clone.py @@ -0,0 +1,46 @@ +## +## NetApp Filer 'vol.clone' Module +## +## Copyright 2008, Red Hat, Inc +## John Eckersberg +## +## This software may be freely redistributed under the terms of the GNU +## general public license. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +## + +import re +from func.minion.modules import func_module +from func.minion.modules.netapp.common import * + +class Clone(func_module.FuncModule): + + # Update these if need be. + version = "0.0.1" + api_version = "0.0.1" + description = "Interface to the 'vol' command" + + def create(self, filer, vol, parent, snap): + """ + TODO: Document me ... + """ + regex = """Creation of clone volume .* has completed.""" + cmd_opts = ['vol', 'clone', 'create', vol, '-b', parent, snap] + output = ssh(filer, cmd_opts) + return check_output(regex, output) + + def split(self, filer, vol): + """ + TODO: Document me ... + """ + # only worry about 'start' now, I don't terribly care to automate the rest + regex = """Clone volume .* will be split from its parent.""" + cmd_opts = ['vol', 'clone', 'split', 'start', vol] + output = ssh(filer, cmd_opts) + return check_output(regex, output) + + + diff --git a/func/minion/modules/networktest.py b/func/minion/modules/networktest.py new file mode 100644 index 0000000..0e6fbb2 --- /dev/null +++ b/func/minion/modules/networktest.py @@ -0,0 +1,64 @@ +# Copyright 2008, Red Hat, Inc +# Steve 'Ashcrow' Milner +# +# This software may be freely redistributed under the terms of the GNU +# general public license. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + + +import func_module +from codes import FuncException + +import sub_process + +class NetworkTest(func_module.FuncModule): + + version = "0.0.1" + api_version = "0.0.1" + description = "Defines various network testing tools." + + def ping(self, *args): + if '-c' not in args: + raise(FuncException("You must define a count with -c!")) + return self.__run_command('/bin/ping', self.__args_to_list(args)) + + def netstat(self, *args): + return self.__run_command('/bin/netstat', + self.__args_to_list(args)) + + def traceroute(self, *args): + return self.__run_command('/bin/traceroute', + self.__args_to_list(args)) + + def dig(self, *args): + return self.__run_command('/usr/bin/dig', + self.__args_to_list(args)) + + def isportopen(self, host, port): + # FIXME: the return api here needs some work... -akl + import socket + sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) + timeout = 3.0 + sock.settimeout(timeout) + try: + sock.connect((host, int(port))) + except socket.error, e: + sock.close() + return [1, ("connection to %s:%s failed" % (host, port), "%s" % e)] + except socket.timeout: + sock.close() + return [2, ("connection to %s:%s timed out after %s seconds" % (host, port, timeout))] + + sock.close() + return [0, "connection to %s:%s succeeded" % (host, port)] + + def __args_to_list(self, args): + return [arg for arg in args] + + def __run_command(self, command, opts=[]): + full_cmd = [command] + opts + cmd = sub_process.Popen(full_cmd, stdout=sub_process.PIPE) + return [line for line in cmd.communicate()[0].split('\n')] diff --git a/func/minion/modules/process.py b/func/minion/modules/process.py new file mode 100644 index 0000000..848e847 --- /dev/null +++ b/func/minion/modules/process.py @@ -0,0 +1,216 @@ +## -*- coding: utf-8 -*- +## +## Process lister (control TBA) +## +## Copyright 2007, Red Hat, Inc +## Michael DeHaan +## +## This software may be freely redistributed under the terms of the GNU +## general public license. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +## + +# other modules +import sub_process +import codes + +# our modules +import func_module + +# ================================= + +class ProcessModule(func_module.FuncModule): + + version = "0.0.1" + api_version = "0.0.1" + description = "Process related reporting and control." + + def info(self, flags="-auxh"): + """ + Returns a struct of hardware information. By default, this pulls down + all of the devices. If you don't care about them, set with_devices to + False. + """ + + flags.replace(";", "") # prevent stupidity + + cmd = sub_process.Popen(["/bin/ps", flags], executable="/bin/ps", + stdout=sub_process.PIPE, + stderr=sub_process.PIPE, + shell=False) + + data, error = cmd.communicate() + + # We can get warnings for odd formatting. warnings != errors. + if error and error[:7] != "Warning": + raise codes.FuncException(error.split('\n')[0]) + + results = [] + for x in data.split("\n"): + tokens = x.split() + results.append(tokens) + + return results + + def mem(self): + """ + Returns a list of per-program memory usage. + + Private + Shared = RAM used Program + + [["39.4 MiB", "10.3 MiB", "49.8 MiB", "Xorg"], + ["42.2 MiB", "12.4 MiB", "54.6 MiB", "nautilus"], + ["52.3 MiB", "10.8 MiB", "63.0 MiB", "liferea-bin"] + ["171.6 MiB", "11.9 MiB", "183.5 MiB", "firefox-bin"]] + + Taken from the ps_mem.py script written by Pádraig Brady. + http://www.pixelbeat.org/scripts/ps_mem.py + """ + import os + our_pid=os.getpid() + results = [] + have_smaps=0 + have_pss=0 + + def kernel_ver(): + """ (major,minor,release) """ + kv=open("/proc/sys/kernel/osrelease").readline().split(".")[:3] + for char in "-_": + kv[2]=kv[2].split(char)[0] + return (int(kv[0]), int(kv[1]), int(kv[2])) + + kv=kernel_ver() + + def getMemStats(pid): + """ return Rss,Pss,Shared (note Private = Rss-Shared) """ + Shared_lines=[] + Pss_lines=[] + pagesize=os.sysconf("SC_PAGE_SIZE")/1024 #KiB + Rss=int(open("/proc/"+str(pid)+"/statm").readline().split()[1])*pagesize + if os.path.exists("/proc/"+str(pid)+"/smaps"): #stat + global have_smaps + have_smaps=1 + for line in open("/proc/"+str(pid)+"/smaps").readlines(): #open + #Note in smaps Shared+Private = Rss above + #The Rss in smaps includes video card mem etc. + if line.startswith("Shared"): + Shared_lines.append(line) + elif line.startswith("Pss"): + global have_pss + have_pss=1 + Pss_lines.append(line) + Shared=sum([int(line.split()[1]) for line in Shared_lines]) + Pss=sum([int(line.split()[1]) for line in Pss_lines]) + elif (2,6,1) <= kv <= (2,6,9): + Pss=0 + Shared=0 #lots of overestimation, but what can we do? + else: + Pss=0 + Shared=int(open("/proc/"+str(pid)+"/statm").readline().split()[2])*pagesize + return (Rss, Pss, Shared) + + cmds={} + shareds={} + count={} + for pid in os.listdir("/proc/"): + try: + pid = int(pid) #note Thread IDs not listed in /proc/ + if pid ==our_pid: continue + except: + continue + cmd = file("/proc/%d/status" % pid).readline()[6:-1] + try: + exe = os.path.basename(os.path.realpath("/proc/%d/exe" % pid)) + if exe.startswith(cmd): + cmd=exe #show non truncated version + #Note because we show the non truncated name + #one can have separated programs as follows: + #584.0 KiB + 1.0 MiB = 1.6 MiB mozilla-thunder (exe -> bash) + #56.0 MiB + 22.2 MiB = 78.2 MiB mozilla-thunderbird-bin + except: + #permission denied or + #kernel threads don't have exe links or + #process gone + continue + try: + rss, pss, shared = getMemStats(pid) + private = rss-shared + #Note shared is always a subset of rss (trs is not always) + except: + continue #process gone + if shareds.get(cmd): + if pss: #add shared portion of PSS together + shareds[cmd]+=pss-private + elif shareds[cmd] < shared: #just take largest shared val + shareds[cmd]=shared + else: + if pss: + shareds[cmd]=pss-private + else: + shareds[cmd]=shared + cmds[cmd]=cmds.setdefault(cmd,0)+private + if count.has_key(cmd): + count[cmd] += 1 + else: + count[cmd] = 1 + + #Add max shared mem for each program + total=0 + for cmd in cmds.keys(): + cmds[cmd]=cmds[cmd]+shareds[cmd] + total+=cmds[cmd] #valid if PSS available + + sort_list = cmds.items() + sort_list.sort(lambda x,y:cmp(x[1],y[1])) + sort_list=filter(lambda x:x[1],sort_list) #get rid of zero sized processes + + #The following matches "du -h" output + def human(num, power="Ki"): + powers=["Ki","Mi","Gi","Ti"] + while num >= 1000: #4 digits + num /= 1024.0 + power=powers[powers.index(power)+1] + return "%.1f %s" % (num,power) + + def cmd_with_count(cmd, count): + if count>1: + return "%s (%u)" % (cmd, count) + else: + return cmd + + for cmd in sort_list: + results.append([ + "%sB" % human(cmd[1]-shareds[cmd[0]]), + "%sB" % human(shareds[cmd[0]]), + "%sB" % human(cmd[1]), + "%s" % cmd_with_count(cmd[0], count[cmd[0]]) + ]) + if have_pss: + results.append(["", "", "", "%sB" % human(total)]) + + return results + + memory = mem + + def kill(self,pid,signal="TERM"): + if pid == "0": + raise codes.FuncException("Killing pid group 0 not permitted") + if signal == "": + # this is default /bin/kill behaviour, + # it claims, but enfore it anyway + signal = "-TERM" + if signal[0] != "-": + signal = "-%s" % signal + rc = sub_process.call(["/bin/kill",signal, pid], + executable="/bin/kill", shell=False) + print rc + return rc + + def pkill(self,name,level=""): + # example killall("thunderbird","-9") + rc = sub_process.call(["/usr/bin/pkill", name, level], + executable="/usr/bin/pkill", shell=False) + return rc diff --git a/func/minion/modules/process.py.orig b/func/minion/modules/process.py.orig new file mode 100644 index 0000000..bdd5193 --- /dev/null +++ b/func/minion/modules/process.py.orig @@ -0,0 +1,221 @@ +## -*- coding: utf-8 -*- +## +## Process lister (control TBA) +## +## Copyright 2007, Red Hat, Inc +## Michael DeHaan +## +## This software may be freely redistributed under the terms of the GNU +## general public license. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +## + +# other modules +import sub_process +import codes + +# our modules +from modules import func_module + +# ================================= + +class ProcessModule(func_module.FuncModule): + def __init__(self): + self.methods = { + "info" : self.info, + "kill" : self.kill, + "pkill" : self.pkill, + "mem" : self.mem + } + func_module.FuncModule.__init__(self) + + def info(self, flags="-auxh"): + """ + Returns a struct of hardware information. By default, this pulls down + all of the devices. If you don't care about them, set with_devices to + False. + """ + + flags.replace(";", "") # prevent stupidity + + cmd = sub_process.Popen(["/bin/ps", flags], executable="/bin/ps", + stdout=sub_process.PIPE, + stderr=sub_process.PIPE, + shell=False) + + data, error = cmd.communicate() + + # We can get warnings for odd formatting. warnings != errors. + if error and error[:7] != "Warning": + raise codes.FuncException(error.split('\n')[0]) + + results = [] + for x in data.split("\n"): + tokens = x.split() + results.append(tokens) + + return results + + def mem(self): + """ + Returns a list of per-program memory usage. + + Private + Shared = RAM used Program + + [["39.4 MiB", "10.3 MiB", "49.8 MiB", "Xorg"], + ["42.2 MiB", "12.4 MiB", "54.6 MiB", "nautilus"], + ["52.3 MiB", "10.8 MiB", "63.0 MiB", "liferea-bin"] + ["171.6 MiB", "11.9 MiB", "183.5 MiB", "firefox-bin"]] + + Taken from the ps_mem.py script written by Pádraig Brady. + http://www.pixelbeat.org/scripts/ps_mem.py + """ + import os + our_pid=os.getpid() + results = [] + have_smaps=0 + have_pss=0 + + def kernel_ver(): + """ (major,minor,release) """ + kv=open("/proc/sys/kernel/osrelease").readline().split(".")[:3] + for char in "-_": + kv[2]=kv[2].split(char)[0] + return (int(kv[0]), int(kv[1]), int(kv[2])) + + kv=kernel_ver() + + def getMemStats(pid): + """ return Rss,Pss,Shared (note Private = Rss-Shared) """ + Shared_lines=[] + Pss_lines=[] + pagesize=os.sysconf("SC_PAGE_SIZE")/1024 #KiB + Rss=int(open("/proc/"+str(pid)+"/statm").readline().split()[1])*pagesize + if os.path.exists("/proc/"+str(pid)+"/smaps"): #stat + global have_smaps + have_smaps=1 + for line in open("/proc/"+str(pid)+"/smaps").readlines(): #open + #Note in smaps Shared+Private = Rss above + #The Rss in smaps includes video card mem etc. + if line.startswith("Shared"): + Shared_lines.append(line) + elif line.startswith("Pss"): + global have_pss + have_pss=1 + Pss_lines.append(line) + Shared=sum([int(line.split()[1]) for line in Shared_lines]) + Pss=sum([int(line.split()[1]) for line in Pss_lines]) + elif (2,6,1) <= kv <= (2,6,9): + Pss=0 + Shared=0 #lots of overestimation, but what can we do? + else: + Pss=0 + Shared=int(open("/proc/"+str(pid)+"/statm").readline().split()[2])*pagesize + return (Rss, Pss, Shared) + + cmds={} + shareds={} + count={} + for pid in os.listdir("/proc/"): + try: + pid = int(pid) #note Thread IDs not listed in /proc/ + if pid ==our_pid: continue + except: + continue + cmd = file("/proc/%d/status" % pid).readline()[6:-1] + try: + exe = os.path.basename(os.path.realpath("/proc/%d/exe" % pid)) + if exe.startswith(cmd): + cmd=exe #show non truncated version + #Note because we show the non truncated name + #one can have separated programs as follows: + #584.0 KiB + 1.0 MiB = 1.6 MiB mozilla-thunder (exe -> bash) + #56.0 MiB + 22.2 MiB = 78.2 MiB mozilla-thunderbird-bin + except: + #permission denied or + #kernel threads don't have exe links or + #process gone + continue + try: + rss, pss, shared = getMemStats(pid) + private = rss-shared + #Note shared is always a subset of rss (trs is not always) + except: + continue #process gone + if shareds.get(cmd): + if pss: #add shared portion of PSS together + shareds[cmd]+=pss-private + elif shareds[cmd] < shared: #just take largest shared val + shareds[cmd]=shared + else: + if pss: + shareds[cmd]=pss-private + else: + shareds[cmd]=shared + cmds[cmd]=cmds.setdefault(cmd,0)+private + if count.has_key(cmd): + count[cmd] += 1 + else: + count[cmd] = 1 + + #Add max shared mem for each program + total=0 + for cmd in cmds.keys(): + cmds[cmd]=cmds[cmd]+shareds[cmd] + total+=cmds[cmd] #valid if PSS available + + sort_list = cmds.items() + sort_list.sort(lambda x,y:cmp(x[1],y[1])) + sort_list=filter(lambda x:x[1],sort_list) #get rid of zero sized processes + + #The following matches "du -h" output + def human(num, power="Ki"): + powers=["Ki","Mi","Gi","Ti"] + while num >= 1000: #4 digits + num /= 1024.0 + power=powers[powers.index(power)+1] + return "%.1f %s" % (num,power) + + def cmd_with_count(cmd, count): + if count>1: + return "%s (%u)" % (cmd, count) + else: + return cmd + + for cmd in sort_list: + results.append([ + "%sB" % human(cmd[1]-shareds[cmd[0]]), + "%sB" % human(shareds[cmd[0]]), + "%sB" % human(cmd[1]), + "%s" % cmd_with_count(cmd[0], count[cmd[0]]) + ]) + if have_pss: + results.append(["", "", "", "%sB" % human(total)]) + + return results + + def kill(self,pid,signal="TERM"): + if pid == "0": + raise codes.FuncException("Killing pid group 0 not permitted") + if signal == "": + # this is default /bin/kill behaviour, + # it claims, but enfore it anyway + signal = "-TERM" + if signal[0] != "-": + signal = "-%s" % signal + rc = sub_process.call(["/bin/kill",signal, pid], + executable="/bin/kill", shell=False) + print rc + return rc + + def pkill(self,name,level=""): + # example killall("thunderbird","-9") + rc = sub_process.call(["/usr/bin/pkill", name, level], + executable="/usr/bin/pkill", shell=False) + return rc + +methods = ProcessModule() +register_rpc = methods.register_rpc diff --git a/func/minion/modules/reboot.py b/func/minion/modules/reboot.py new file mode 100644 index 0000000..c4fb275 --- /dev/null +++ b/func/minion/modules/reboot.py @@ -0,0 +1,21 @@ +# Copyright 2007, Red Hat, Inc +# James Bowes +# +# This software may be freely redistributed under the terms of the GNU +# general public license. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +import func_module +import sub_process + +class Reboot(func_module.FuncModule): + + version = "0.0.1" + api_version = "0.0.1" + description = "Reboots a machine." + + def reboot(self, when='now', message=''): + return sub_process.call(["/sbin/shutdown", '-r', when, message]) diff --git a/func/minion/modules/rpms.py b/func/minion/modules/rpms.py new file mode 100644 index 0000000..ae26cb4 --- /dev/null +++ b/func/minion/modules/rpms.py @@ -0,0 +1,44 @@ +# Copyright 2007, Red Hat, Inc +# Michael DeHaan +# +# This software may be freely redistributed under the terms of the GNU +# general public license. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +import func_module +import rpm + +class RpmModule(func_module.FuncModule): + + version = "0.0.1" + api_version = "0.0.1" + description = "RPM related commands." + + def inventory(self, flatten=True): + """ + Returns information on all installed packages. + By default, 'flatten' is passed in as True, which makes printouts very + clean in diffs for use by func-inventory. If you are writting another + software application, using flatten=False will prevent the need to + parse the returns. + """ + # I have not been able to get flatten=False to work if there + # is more than 491 entries in the dict -- ashcrow + ts = rpm.TransactionSet() + mi = ts.dbMatch() + results = [] + for hdr in mi: + name = hdr['name'] + epoch = (hdr['epoch'] or 0) + version = hdr['version'] + release = hdr['release'] + arch = hdr['arch'] + if flatten: + results.append("%s %s %s %s %s" % (name, epoch, version, + release, arch)) + else: + results.append([name, epoch, version, release, arch]) + return results diff --git a/func/minion/modules/service.py b/func/minion/modules/service.py new file mode 100644 index 0000000..062aea5 --- /dev/null +++ b/func/minion/modules/service.py @@ -0,0 +1,88 @@ +## func +## +## Copyright 2007, Red Hat, Inc +## Michael DeHaan +## +## This software may be freely redistributed under the terms of the GNU +## general public license. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +## +## + +import codes +import func_module + +import sub_process +import os + +class Service(func_module.FuncModule): + + version = "0.0.1" + api_version = "0.0.1" + description = "Allows for service control via func." + + def __command(self, service_name, command): + + filename = os.path.join("/etc/rc.d/init.d/",service_name) + if os.path.exists(filename): + return sub_process.call(["/sbin/service", service_name, command]) + else: + raise codes.FuncException("Service not installed: %s" % service_name) + + def start(self, service_name): + return self.__command(service_name, "start") + + def stop(self, service_name): + return self.__command(service_name, "stop") + + def restart(self, service_name): + return self.__command(service_name, "restart") + + def reload(self, service_name): + return self.__command(service_name, "reload") + + def status(self, service_name): + return self.__command(service_name, "status") + + def inventory(self): + return { + "running" : self.get_running(), + "enabled" : self.get_enabled() + } + + def get_enabled(self): + """ + Get the list of services that are enabled at the various runlevels. Xinetd services + only provide whether or not they are running, not specific runlevel info. + """ + + chkconfig = sub_process.Popen(["/sbin/chkconfig", "--list"], stdout=sub_process.PIPE) + data = chkconfig.communicate()[0] + results = [] + for line in data.split("\n"): + if line.find("0:") != -1: + # regular services + tokens = line.split() + results.append((tokens[0],tokens[1:])) + elif line.find(":") != -1 and not line.endswith(":"): + # xinetd.d based services + tokens = line.split() + tokens[0] = tokens[0].replace(":","") + results.append((tokens[0],tokens[1])) + return results + + def get_running(self): + """ + Get a list of which services are running, stopped, or disabled. + """ + chkconfig = sub_process.Popen(["/sbin/service", "--status-all"], stdout=sub_process.PIPE) + data = chkconfig.communicate()[0] + results = [] + for line in data.split("\n"): + if line.find(" is ") != -1: + tokens = line.split() + results.append((tokens[0], tokens[-1].replace("...",""))) + return results diff --git a/func/minion/modules/smart.py b/func/minion/modules/smart.py new file mode 100644 index 0000000..f410f09 --- /dev/null +++ b/func/minion/modules/smart.py @@ -0,0 +1,47 @@ +## +## Grabs status from SMART to see if your hard drives are ok +## Returns in the format of (return code, [line1, line2, line3,...]) +## +## Copyright 2007, Red Hat, Inc +## Michael DeHaan +## +## This software may be freely redistributed under the terms of the GNU +## general public license. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +## + +# other modules +import sub_process + +# our modules +import func_module + +# ================================= + +class SmartModule(func_module.FuncModule): + + version = "0.0.1" + api_version = "0.0.1" + description = "Grabs status from SMART to see if your hard drives are ok." + + def info(self,flags="-q onecheck"): + """ + Returns a struct of hardware information. By default, this pulls down + all of the devices. If you don't care about them, set with_devices to + False. + """ + + flags.replace(";","") # prevent stupidity + + cmd = sub_process.Popen("/usr/sbin/smartd %s" % flags,stdout=sub_process.PIPE,shell=True) + data = cmd.communicate()[0] + + results = [] + + for x in data.split("\n"): + results.append(x) + + return (cmd.returncode, results) diff --git a/func/minion/modules/snmp.py b/func/minion/modules/snmp.py new file mode 100644 index 0000000..c992db1 --- /dev/null +++ b/func/minion/modules/snmp.py @@ -0,0 +1,38 @@ +# Copyright 2007, Red Hat, Inc +# James Bowes +# Seth Vidal modified command.py to be snmp.py +# +# This software may be freely redistributed under the terms of the GNU +# general public license. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +""" +Abitrary command execution module for func. +""" + +import func_module +import sub_process +base_snmp_command = '/usr/bin/snmpget -v2c -Ov -OQ' + +class Snmp(func_module.FuncModule): + + version = "0.0.1" + api_version = "0.0.1" + description = "SNMP related calls through func." + + def get(self, oid, rocommunity, hostname='localhost'): + """ + Runs an snmpget on a specific oid returns the output of the call. + """ + command = '%s -c %s %s %s' % (base_snmp_command, rocommunity, hostname, oid) + + cmdref = sub_process.Popen(command.split(),stdout=sub_process.PIPE,stderr=sub_process.PIPE, shell=False) + data = cmdref.communicate() + return (cmdref.returncode, data[0], data[1]) + + #def walk(self, oid, rocommunity): + + #def table(self, oid, rocommunity): diff --git a/func/minion/modules/sysctl.py b/func/minion/modules/sysctl.py new file mode 100644 index 0000000..1f11d55 --- /dev/null +++ b/func/minion/modules/sysctl.py @@ -0,0 +1,31 @@ +# Copyright 2008, Red Hat, Inc +# Luke Macken +# +# This software may be freely redistributed under the terms of the GNU +# general public license. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +import func_module +import sub_process + +class SysctlModule(func_module.FuncModule): + + version = "0.0.1" + description = "Configure kernel parameters at runtime" + + def __run(self, cmd): + cmd = sub_process.Popen(cmd.split(), stdout=sub_process.PIPE, + stderr=sub_process.PIPE, shell=False) + return [line for line in cmd.communicate()[0].strip().split('\n')] + + def list(self): + return self.__run("/sbin/sysctl -a") + + def get(self, name): + return self.__run("/sbin/sysctl -n %s" % name) + + def set(self, name, value): + return self.__run("/sbin/sysctl -w %s=%s" % (name, value)) diff --git a/func/minion/modules/test.py b/func/minion/modules/test.py new file mode 100644 index 0000000..6f7c5fa --- /dev/null +++ b/func/minion/modules/test.py @@ -0,0 +1,29 @@ +import func_module +import time +import exceptions + +class Test(func_module.FuncModule): + version = "11.11.11" + api_version = "0.0.1" + description = "Just a very simple example module" + + def add(self, numb1, numb2): + return numb1 + numb2 + + def ping(self): + return 1 + + def sleep(self,t): + """ + Sleeps for t seconds, and returns time of day. + Simply a test function for trying out async and threaded voodoo. + """ + t = int(t) + time.sleep(t) + return time.time() + + def explode(self): + """ + Testing remote exception handling is useful + """ + raise exceptions.Exception("khhhhhhaaaaaan!!!!!!") diff --git a/func/minion/modules/virt.py b/func/minion/modules/virt.py new file mode 100644 index 0000000..04d36bd --- /dev/null +++ b/func/minion/modules/virt.py @@ -0,0 +1,277 @@ +""" +Virt management features + +Copyright 2007, Red Hat, Inc +Michael DeHaan + +This software may be freely redistributed under the terms of the GNU +general public license. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +""" + +# warning: virt management is rather complicated +# to see a simple example of func, look at the +# service control module. API docs on how +# to use this to come. + +# other modules +import os +import sub_process +import libvirt + +# our modules +import codes +import func_module + +VIRT_STATE_NAME_MAP = { + 0 : "running", + 1 : "running", + 2 : "running", + 3 : "paused", + 4 : "shutdown", + 5 : "shutdown", + 6 : "crashed" +} + +class FuncLibvirtConnection(object): + + version = "0.0.1" + api_version = "0.0.1" + description = "Virtualization items through func." + + def __init__(self): + + cmd = sub_process.Popen("uname -r", shell=True, stdout=sub_process.PIPE) + output = cmd.communicate()[0] + + if output.find("xen") != -1: + conn = libvirt.open(None) + else: + conn = libvirt.open("qemu:///system") + + if not conn: + raise codes.FuncException("hypervisor connection failure") + + self.conn = conn + + def find_vm(self, vmid): + """ + Extra bonus feature: vmid = -1 returns a list of everything + """ + conn = self.conn + + vms = [] + + # this block of code borrowed from virt-manager: + # get working domain's name + ids = conn.listDomainsID(); + for id in ids: + vm = conn.lookupByID(id) + vms.append(vm) + # get defined domain + names = conn.listDefinedDomains() + for name in names: + vm = conn.lookupByName(name) + vms.append(vm) + + if vmid == -1: + return vms + + for vm in vms: + if vm.name() == vmid: + return vm + + raise codes.FuncException("virtual machine %s not found" % vmid) + + def shutdown(self, vmid): + return self.find_vm(vmid).shutdown() + + def pause(self, vmid): + return self.suspend(self.conn,vmid) + + def unpause(self, vmid): + return self.resume(self.conn,vmid) + + def suspend(self, vmid): + return self.find_vm(vmid).suspend() + + def resume(self, vmid): + return self.find_vm(vmid).resume() + + def create(self, vmid): + return self.find_vm(vmid).create() + + def destroy(self, vmid): + return self.find_vm(vmid).destroy() + + def undefine(self, vmid): + return self.find_vm(vmid).undefine() + + def get_status2(self, vm): + state = vm.info()[0] + # print "DEBUG: state: %s" % state + return VIRT_STATE_NAME_MAP.get(state,"unknown") + + def get_status(self, vmid): + state = self.find_vm(vmid).info()[0] + return VIRT_STATE_NAME_MAP.get(state,"unknown") + + + +class Virt(func_module.FuncModule): + + def __get_conn(self): + self.conn = FuncLibvirtConnection() + return self.conn + + def state(self): + vms = self.list_vms() + state = [] + for vm in vms: + state_blurb = self.conn.get_status(vm) + state.append("%s %s" % (vm,state_blurb)) + return state + + + def info(self): + vms = self.list_vms() + info = dict() + for vm in vms: + data = self.conn.find_vm(vm).info() + # libvirt returns maxMem, memory, and cpuTime as long()'s, which + # xmlrpclib tries to convert to regular int's during serialization. + # This throws exceptions, so convert them to strings here and + # assume the other end of the xmlrpc connection can figure things + # out or doesn't care. + info[vm] = { + "state" : VIRT_STATE_NAME_MAP.get(data[0],"unknown"), + "maxMem" : str(data[1]), + "memory" : str(data[2]), + "nrVirtCpu" : data[3], + "cpuTime" : str(data[4]) + } + return info + + + def list_vms(self): + self.conn = self.__get_conn() + vms = self.conn.find_vm(-1) + results = [] + for x in vms: + try: + results.append(x.name()) + except: + pass + return results + + def install(self, server_name, target_name, system=False): + + """ + Install a new virt system by way of a named cobbler profile. + """ + + # Example: + # install("bootserver.example.org", "fc7webserver", True) + + conn = self.__get_conn() + + if conn is None: + raise codes.FuncException("no connection") + + if not os.path.exists("/usr/bin/koan"): + raise codes.FuncException("no /usr/bin/koan") + target = "profile" + if system: + target = "system" + + # TODO: FUTURE: set --virt-path in cobbler or here + koan_args = [ + "/usr/bin/koan", + "--virt", + "--virt-graphics", # enable VNC + "--%s=%s" % (target, target_name), + "--server=%s" % server_name + ] + + rc = sub_process.call(koan_args,shell=False) + if rc == 0: + return 0 + else: + raise codes.FuncException("koan returned %d" % rc) + + + def shutdown(self, vmid): + """ + Make the machine with the given vmid stop running. + Whatever that takes. + """ + self.__get_conn() + self.conn.shutdown(vmid) + return 0 + + + def pause(self, vmid): + + """ + Pause the machine with the given vmid. + """ + self.__get_conn() + self.conn.suspend(vmid) + return 0 + + + def unpause(self, vmid): + + """ + Unpause the machine with the given vmid. + """ + + self.__get_conn() + self.conn.resume(vmid) + return 0 + + + def create(self, vmid): + + """ + Start the machine via the given mac address. + """ + self.__get_conn() + self.conn.create(vmid) + return 0 + + + def destroy(self, vmid): + + """ + Pull the virtual power from the virtual domain, giving it virtually no + time to virtually shut down. + """ + self.__get_conn() + self.conn.destroy(vmid) + return 0 + + + def undefine(self, vmid): + + """ + Stop a domain, and then wipe it from the face of the earth. + by deleting the disk image and it's configuration file. + """ + + self.__get_conn() + self.conn.undefine(vmid) + return 0 + + + def get_status(self, vmid): + + """ + Return a state suitable for server consumption. Aka, codes.py values, not XM output. + """ + + self.__get_conn() + return self.conn.get_status(vmid) diff --git a/func/minion/modules/yumcmd.py b/func/minion/modules/yumcmd.py new file mode 100644 index 0000000..f952372 --- /dev/null +++ b/func/minion/modules/yumcmd.py @@ -0,0 +1,50 @@ +# Copyright 2007, Red Hat, Inc +# James Bowes +# +# This software may be freely redistributed under the terms of the GNU +# general public license. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +import func_module + +import yum + +# XXX Use internal yum callback or write a useful one. +class DummyCallback(object): + + def event(self, state, data=None): + pass + +class Yum(func_module.FuncModule): + + version = "0.0.1" + api_version = "0.0.1" + description = "Package updates through yum." + + def update(self): + # XXX support updating specific rpms + ayum = yum.YumBase() + ayum.doGenericSetup() + ayum.doRepoSetup() + try: + ayum.doLock() + ayum.update() + ayum.buildTransaction() + ayum.processTransaction( + callback=DummyCallback()) + finally: + ayum.closeRpmDB() + ayum.doUnlock() + return True + + def check_update(self, repo=None): + """Returns a list of packages due to be updated""" + ayum = yum.YumBase() + ayum.doConfigSetup() + ayum.doTsSetup() + if repo is not None: + ayum.repos.enableRepo(repo) + return map(str, ayum.doPackageLists('updates').updates) diff --git a/func/minion/server.py b/func/minion/server.py new file mode 100755 index 0000000..f1b827f --- /dev/null +++ b/func/minion/server.py @@ -0,0 +1,285 @@ +""" +func + +Copyright 2007, Red Hat, Inc +see AUTHORS + +This software may be freely redistributed under the terms of the GNU +general public license. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +""" + +# standard modules +import SimpleXMLRPCServer +import string +import sys +import traceback +import socket +import fnmatch + +from gettext import textdomain +I18N_DOMAIN = "func" + + +from func.config import read_config +from func.commonconfig import FuncdConfig +from func import logger +from func import certs +import func.jobthing as jobthing +import utils + +# our modules +import AuthedXMLRPCServer +import codes +import module_loader +import func.utils as futils + + + +class XmlRpcInterface(object): + + def __init__(self): + + """ + Constructor. + """ + + config_file = '/etc/func/minion.conf' + self.config = read_config(config_file, FuncdConfig) + self.logger = logger.Logger().logger + self.audit_logger = logger.AuditLogger() + self.__setup_handlers() + + # need a reference so we can log ip's, certs, etc + # self.server = server + + def __setup_handlers(self): + + """ + Add RPC functions from each class to the global list so they can be called. + """ + + self.handlers = {} + for x in self.modules.keys(): + try: + self.modules[x].register_rpc(self.handlers, x) + self.logger.debug("adding %s" % x) + except AttributeError, e: + self.logger.warning("module %s not loaded, missing register_rpc method" % self.modules[x]) + + + # internal methods that we do instead of spreading internal goo + # all over the modules. For now, at lest -akl + + + # system.listMethods os a quasi stanard xmlrpc method, so + # thats why it has a odd looking name + self.handlers["system.listMethods"] = self.list_methods + self.handlers["system.list_methods"] = self.list_methods + self.handlers["system.list_modules"] = self.list_modules + + def list_modules(self): + modules = self.modules.keys() + modules.sort() + return modules + + def list_methods(self): + methods = self.handlers.keys() + methods.sort() + return methods + + def get_dispatch_method(self, method): + + if method in self.handlers: + return FuncApiMethod(self.logger, method, self.handlers[method]) + + else: + self.logger.info("Unhandled method call for method: %s " % method) + raise codes.InvalidMethodException + + +class FuncApiMethod: + + """ + Used to hold a reference to all of the registered functions. + """ + + def __init__(self, logger, name, method): + + self.logger = logger + self.__method = method + self.__name = name + + def __log_exc(self): + + """ + Log an exception. + """ + + (t, v, tb) = sys.exc_info() + self.logger.info("Exception occured: %s" % t ) + self.logger.info("Exception value: %s" % v) + self.logger.info("Exception Info:\n%s" % string.join(traceback.format_list(traceback.extract_tb(tb)))) + + def __call__(self, *args): + + self.logger.debug("(X) -------------------------------------------") + + try: + rc = self.__method(*args) + except codes.FuncException, e: + self.__log_exc() + (t, v, tb) = sys.exc_info() + rc = futils.nice_exception(t,v,tb) + except: + self.__log_exc() + (t, v, tb) = sys.exc_info() + rc = futils.nice_exception(t,v,tb) + self.logger.debug("Return code for %s: %s" % (self.__name, rc)) + + return rc + + +def serve(): + + """ + Code for starting the XMLRPC service. + """ + server =FuncSSLXMLRPCServer(('', 51234)) + server.logRequests = 0 # don't print stuff to console + server.serve_forever() + + + +class FuncXMLRPCServer(SimpleXMLRPCServer.SimpleXMLRPCServer, XmlRpcInterface): + + def __init__(self, args): + + self.allow_reuse_address = True + + self.modules = module_loader.load_modules() + SimpleXMLRPCServer.SimpleXMLRPCServer.__init__(self, args) + XmlRpcInterface.__init__(self) + + +class FuncSSLXMLRPCServer(AuthedXMLRPCServer.AuthedSSLXMLRPCServer, + XmlRpcInterface): + def __init__(self, args): + self.allow_reuse_address = True + self.modules = module_loader.load_modules() + + XmlRpcInterface.__init__(self) + hn = utils.get_hostname() + self.key = "%s/%s.pem" % (self.config.cert_dir, hn) + self.cert = "%s/%s.cert" % (self.config.cert_dir, hn) + self.ca = "%s/ca.cert" % self.config.cert_dir + + self._our_ca = certs.retrieve_cert_from_file(self.ca) + + AuthedXMLRPCServer.AuthedSSLXMLRPCServer.__init__(self, ("", 51234), + self.key, self.cert, + self.ca) + + def _dispatch(self, method, params): + + """ + the SimpleXMLRPCServer class will call _dispatch if it doesn't + find a handler method + """ + # take _this_request and hand it off to check out the acls of the method + # being called vs the requesting host + + if not hasattr(self, '_this_request'): + raise codes.InvalidMethodException + + r,a = self._this_request + peer_cert = r.get_peer_certificate() + ip = a[0] + + + # generally calling conventions are: hardware.info + # async convention is async.hardware.info + # here we parse out the async to decide how to invoke it. + # see the async docs on the Wiki for further info. + async_dispatch = False + if method.startswith("async."): + async_dispatch = True + method = method.replace("async.","",1) + + if not self._check_acl(peer_cert, ip, method, params): + raise codes.AccessToMethodDenied + + # Recognize ipython's tab completion calls + if method == 'trait_names' or method == '_getAttributeNames': + return self.handlers.keys() + + cn = peer_cert.get_subject().CN + sub_hash = peer_cert.subject_name_hash() + self.audit_logger.log_call(ip, cn, sub_hash, method, params) + + try: + if not async_dispatch: + return self.get_dispatch_method(method)(*params) + else: + return jobthing.minion_async_run(self.get_dispatch_method, method, params) + except: + (t, v, tb) = sys.exc_info() + rc = futils.nice_exception(t, v, tb) + return rc + + def auth_cb(self, request, client_address): + peer_cert = request.get_peer_certificate() + return peer_cert.get_subject().CN + + def _check_acl(self, cert, ip, method, params): + acls = utils.get_acls_from_config(acldir=self.config.acl_dir) + + # certmaster always gets to run things + ca_cn = self._our_ca.get_subject().CN + ca_hash = self._our_ca.subject_name_hash() + ca_key = '%s-%s' % (ca_cn, ca_hash) + acls[ca_key] = ['*'] + + cn = cert.get_subject().CN + sub_hash = cert.subject_name_hash() + if acls: + allow_list = [] + hostkey = '%s-%s' % (cn, sub_hash) + # search all the keys, match to 'cn-subhash' + for hostmatch in acls.keys(): + if fnmatch.fnmatch(hostkey, hostmatch): + allow_list.extend(acls[hostmatch]) + # go through the allow_list and make sure this method is in there + for methodmatch in allow_list: + if fnmatch.fnmatch(method, methodmatch): + return True + + return False + + +def main(argv): + + """ + Start things up. + """ + + if "daemon" in sys.argv or "--daemon" in sys.argv: + futils.daemonize("/var/run/funcd.pid") + else: + print "serving...\n" + + try: + utils.create_minion_keys() + serve() + except codes.FuncException, e: + print >> sys.stderr, 'error: %s' % e + sys.exit(1) + + +# ====================================================================================== +if __name__ == "__main__": + textdomain(I18N_DOMAIN) + main(sys.argv) diff --git a/func/minion/sub_process.py b/func/minion/sub_process.py new file mode 100644 index 0000000..351a951 --- /dev/null +++ b/func/minion/sub_process.py @@ -0,0 +1,1221 @@ +# subprocess - Subprocesses with accessible I/O streams +# +# For more information about this module, see PEP 324. +# +# This module should remain compatible with Python 2.2, see PEP 291. +# +# Copyright (c) 2003-2005 by Peter Astrand +# +# Licensed to PSF under a Contributor Agreement. +# See http://www.python.org/2.4/license for licensing details. + +r"""subprocess - Subprocesses with accessible I/O streams + +This module allows you to spawn processes, connect to their +input/output/error pipes, and obtain their return codes. This module +intends to replace several other, older modules and functions, like: + +os.system +os.spawn* +os.popen* +popen2.* +commands.* + +Information about how the subprocess module can be used to replace these +modules and functions can be found below. + + + +Using the subprocess module +=========================== +This module defines one class called Popen: + +class Popen(args, bufsize=0, executable=None, + stdin=None, stdout=None, stderr=None, + preexec_fn=None, close_fds=False, shell=False, + cwd=None, env=None, universal_newlines=False, + startupinfo=None, creationflags=0): + + +Arguments are: + +args should be a string, or a sequence of program arguments. The +program to execute is normally the first item in the args sequence or +string, but can be explicitly set by using the executable argument. + +On UNIX, with shell=False (default): In this case, the Popen class +uses os.execvp() to execute the child program. args should normally +be a sequence. A string will be treated as a sequence with the string +as the only item (the program to execute). + +On UNIX, with shell=True: If args is a string, it specifies the +command string to execute through the shell. If args is a sequence, +the first item specifies the command string, and any additional items +will be treated as additional shell arguments. + +On Windows: the Popen class uses CreateProcess() to execute the child +program, which operates on strings. If args is a sequence, it will be +converted to a string using the list2cmdline method. Please note that +not all MS Windows applications interpret the command line the same +way: The list2cmdline is designed for applications using the same +rules as the MS C runtime. + +bufsize, if given, has the same meaning as the corresponding argument +to the built-in open() function: 0 means unbuffered, 1 means line +buffered, any other positive value means use a buffer of +(approximately) that size. A negative bufsize means to use the system +default, which usually means fully buffered. The default value for +bufsize is 0 (unbuffered). + +stdin, stdout and stderr specify the executed programs' standard +input, standard output and standard error file handles, respectively. +Valid values are PIPE, an existing file descriptor (a positive +integer), an existing file object, and None. PIPE indicates that a +new pipe to the child should be created. With None, no redirection +will occur; the child's file handles will be inherited from the +parent. Additionally, stderr can be STDOUT, which indicates that the +stderr data from the applications should be captured into the same +file handle as for stdout. + +If preexec_fn is set to a callable object, this object will be called +in the child process just before the child is executed. + +If close_fds is true, all file descriptors except 0, 1 and 2 will be +closed before the child process is executed. + +if shell is true, the specified command will be executed through the +shell. + +If cwd is not None, the current directory will be changed to cwd +before the child is executed. + +If env is not None, it defines the environment variables for the new +process. + +If universal_newlines is true, the file objects stdout and stderr are +opened as a text files, but lines may be terminated by any of '\n', +the Unix end-of-line convention, '\r', the Macintosh convention or +'\r\n', the Windows convention. All of these external representations +are seen as '\n' by the Python program. Note: This feature is only +available if Python is built with universal newline support (the +default). Also, the newlines attribute of the file objects stdout, +stdin and stderr are not updated by the communicate() method. + +The startupinfo and creationflags, if given, will be passed to the +underlying CreateProcess() function. They can specify things such as +appearance of the main window and priority for the new process. +(Windows only) + + +This module also defines two shortcut functions: + +call(*popenargs, **kwargs): + Run command with arguments. Wait for command to complete, then + return the returncode attribute. + + The arguments are the same as for the Popen constructor. Example: + + retcode = call(["ls", "-l"]) + +check_call(*popenargs, **kwargs): + Run command with arguments. Wait for command to complete. If the + exit code was zero then return, otherwise raise + CalledProcessError. The CalledProcessError object will have the + return code in the returncode attribute. + + The arguments are the same as for the Popen constructor. Example: + + check_call(["ls", "-l"]) + +Exceptions +---------- +Exceptions raised in the child process, before the new program has +started to execute, will be re-raised in the parent. Additionally, +the exception object will have one extra attribute called +'child_traceback', which is a string containing traceback information +from the childs point of view. + +The most common exception raised is OSError. This occurs, for +example, when trying to execute a non-existent file. Applications +should prepare for OSErrors. + +A ValueError will be raised if Popen is called with invalid arguments. + +check_call() will raise CalledProcessError, if the called process +returns a non-zero return code. + + +Security +-------- +Unlike some other popen functions, this implementation will never call +/bin/sh implicitly. This means that all characters, including shell +metacharacters, can safely be passed to child processes. + + +Popen objects +============= +Instances of the Popen class have the following methods: + +poll() + Check if child process has terminated. Returns returncode + attribute. + +wait() + Wait for child process to terminate. Returns returncode attribute. + +communicate(input=None) + Interact with process: Send data to stdin. Read data from stdout + and stderr, until end-of-file is reached. Wait for process to + terminate. The optional stdin argument should be a string to be + sent to the child process, or None, if no data should be sent to + the child. + + communicate() returns a tuple (stdout, stderr). + + Note: The data read is buffered in memory, so do not use this + method if the data size is large or unlimited. + +The following attributes are also available: + +stdin + If the stdin argument is PIPE, this attribute is a file object + that provides input to the child process. Otherwise, it is None. + +stdout + If the stdout argument is PIPE, this attribute is a file object + that provides output from the child process. Otherwise, it is + None. + +stderr + If the stderr argument is PIPE, this attribute is file object that + provides error output from the child process. Otherwise, it is + None. + +pid + The process ID of the child process. + +returncode + The child return code. A None value indicates that the process + hasn't terminated yet. A negative value -N indicates that the + child was terminated by signal N (UNIX only). + + +Replacing older functions with the subprocess module +==================================================== +In this section, "a ==> b" means that b can be used as a replacement +for a. + +Note: All functions in this section fail (more or less) silently if +the executed program cannot be found; this module raises an OSError +exception. + +In the following examples, we assume that the subprocess module is +imported with "from subprocess import *". + + +Replacing /bin/sh shell backquote +--------------------------------- +output=`mycmd myarg` +==> +output = Popen(["mycmd", "myarg"], stdout=PIPE).communicate()[0] + + +Replacing shell pipe line +------------------------- +output=`dmesg | grep hda` +==> +p1 = Popen(["dmesg"], stdout=PIPE) +p2 = Popen(["grep", "hda"], stdin=p1.stdout, stdout=PIPE) +output = p2.communicate()[0] + + +Replacing os.system() +--------------------- +sts = os.system("mycmd" + " myarg") +==> +p = Popen("mycmd" + " myarg", shell=True) +pid, sts = os.waitpid(p.pid, 0) + +Note: + +* Calling the program through the shell is usually not required. + +* It's easier to look at the returncode attribute than the + exitstatus. + +A more real-world example would look like this: + +try: + retcode = call("mycmd" + " myarg", shell=True) + if retcode < 0: + print >>sys.stderr, "Child was terminated by signal", -retcode + else: + print >>sys.stderr, "Child returned", retcode +except OSError, e: + print >>sys.stderr, "Execution failed:", e + + +Replacing os.spawn* +------------------- +P_NOWAIT example: + +pid = os.spawnlp(os.P_NOWAIT, "/bin/mycmd", "mycmd", "myarg") +==> +pid = Popen(["/bin/mycmd", "myarg"]).pid + + +P_WAIT example: + +retcode = os.spawnlp(os.P_WAIT, "/bin/mycmd", "mycmd", "myarg") +==> +retcode = call(["/bin/mycmd", "myarg"]) + + +Vector example: + +os.spawnvp(os.P_NOWAIT, path, args) +==> +Popen([path] + args[1:]) + + +Environment example: + +os.spawnlpe(os.P_NOWAIT, "/bin/mycmd", "mycmd", "myarg", env) +==> +Popen(["/bin/mycmd", "myarg"], env={"PATH": "/usr/bin"}) + + +Replacing os.popen* +------------------- +pipe = os.popen(cmd, mode='r', bufsize) +==> +pipe = Popen(cmd, shell=True, bufsize=bufsize, stdout=PIPE).stdout + +pipe = os.popen(cmd, mode='w', bufsize) +==> +pipe = Popen(cmd, shell=True, bufsize=bufsize, stdin=PIPE).stdin + + +(child_stdin, child_stdout) = os.popen2(cmd, mode, bufsize) +==> +p = Popen(cmd, shell=True, bufsize=bufsize, + stdin=PIPE, stdout=PIPE, close_fds=True) +(child_stdin, child_stdout) = (p.stdin, p.stdout) + + +(child_stdin, + child_stdout, + child_stderr) = os.popen3(cmd, mode, bufsize) +==> +p = Popen(cmd, shell=True, bufsize=bufsize, + stdin=PIPE, stdout=PIPE, stderr=PIPE, close_fds=True) +(child_stdin, + child_stdout, + child_stderr) = (p.stdin, p.stdout, p.stderr) + + +(child_stdin, child_stdout_and_stderr) = os.popen4(cmd, mode, bufsize) +==> +p = Popen(cmd, shell=True, bufsize=bufsize, + stdin=PIPE, stdout=PIPE, stderr=STDOUT, close_fds=True) +(child_stdin, child_stdout_and_stderr) = (p.stdin, p.stdout) + + +Replacing popen2.* +------------------ +Note: If the cmd argument to popen2 functions is a string, the command +is executed through /bin/sh. If it is a list, the command is directly +executed. + +(child_stdout, child_stdin) = popen2.popen2("somestring", bufsize, mode) +==> +p = Popen(["somestring"], shell=True, bufsize=bufsize + stdin=PIPE, stdout=PIPE, close_fds=True) +(child_stdout, child_stdin) = (p.stdout, p.stdin) + + +(child_stdout, child_stdin) = popen2.popen2(["mycmd", "myarg"], bufsize, mode) +==> +p = Popen(["mycmd", "myarg"], bufsize=bufsize, + stdin=PIPE, stdout=PIPE, close_fds=True) +(child_stdout, child_stdin) = (p.stdout, p.stdin) + +The popen2.Popen3 and popen3.Popen4 basically works as subprocess.Popen, +except that: + +* subprocess.Popen raises an exception if the execution fails +* the capturestderr argument is replaced with the stderr argument. +* stdin=PIPE and stdout=PIPE must be specified. +* popen2 closes all filedescriptors by default, but you have to specify + close_fds=True with subprocess.Popen. + + +""" + +import sys +mswindows = (sys.platform == "win32") + +import os +import types +import traceback + +# Exception classes used by this module. +class CalledProcessError(Exception): + """This exception is raised when a process run by check_call() returns + a non-zero exit status. The exit status will be stored in the + returncode attribute.""" + def __init__(self, returncode, cmd): + self.returncode = returncode + self.cmd = cmd + def __str__(self): + return "Command '%s' returned non-zero exit status %d" % (self.cmd, self.returncode) + + +if mswindows: + import threading + import msvcrt + if 0: # <-- change this to use pywin32 instead of the _subprocess driver + import pywintypes + from win32api import GetStdHandle, STD_INPUT_HANDLE, \ + STD_OUTPUT_HANDLE, STD_ERROR_HANDLE + from win32api import GetCurrentProcess, DuplicateHandle, \ + GetModuleFileName, GetVersion + from win32con import DUPLICATE_SAME_ACCESS, SW_HIDE + from win32pipe import CreatePipe + from win32process import CreateProcess, STARTUPINFO, \ + GetExitCodeProcess, STARTF_USESTDHANDLES, \ + STARTF_USESHOWWINDOW, CREATE_NEW_CONSOLE + from win32event import WaitForSingleObject, INFINITE, WAIT_OBJECT_0 + else: + from _subprocess import * + class STARTUPINFO: + dwFlags = 0 + hStdInput = None + hStdOutput = None + hStdError = None + wShowWindow = 0 + class pywintypes: + error = IOError +else: + import select + import errno + import fcntl + import pickle + +__all__ = ["Popen", "PIPE", "STDOUT", "call", "check_call", "CalledProcessError"] + +try: + MAXFD = os.sysconf("SC_OPEN_MAX") +except: + MAXFD = 256 + +# True/False does not exist on 2.2.0 +try: + False +except NameError: + False = 0 + True = 1 + +_active = [] + +def _cleanup(): + for inst in _active[:]: + if inst.poll(_deadstate=sys.maxint) >= 0: + try: + _active.remove(inst) + except ValueError: + # This can happen if two threads create a new Popen instance. + # It's harmless that it was already removed, so ignore. + pass + +PIPE = -1 +STDOUT = -2 + + +def call(*popenargs, **kwargs): + """Run command with arguments. Wait for command to complete, then + return the returncode attribute. + + The arguments are the same as for the Popen constructor. Example: + + retcode = call(["ls", "-l"]) + """ + return Popen(*popenargs, **kwargs).wait() + + +def check_call(*popenargs, **kwargs): + """Run command with arguments. Wait for command to complete. If + the exit code was zero then return, otherwise raise + CalledProcessError. The CalledProcessError object will have the + return code in the returncode attribute. + + The arguments are the same as for the Popen constructor. Example: + + check_call(["ls", "-l"]) + """ + retcode = call(*popenargs, **kwargs) + cmd = kwargs.get("args") + if cmd is None: + cmd = popenargs[0] + if retcode: + raise CalledProcessError(retcode, cmd) + return retcode + + +def list2cmdline(seq): + """ + Translate a sequence of arguments into a command line + string, using the same rules as the MS C runtime: + + 1) Arguments are delimited by white space, which is either a + space or a tab. + + 2) A string surrounded by double quotation marks is + interpreted as a single argument, regardless of white space + contained within. A quoted string can be embedded in an + argument. + + 3) A double quotation mark preceded by a backslash is + interpreted as a literal double quotation mark. + + 4) Backslashes are interpreted literally, unless they + immediately precede a double quotation mark. + + 5) If backslashes immediately precede a double quotation mark, + every pair of backslashes is interpreted as a literal + backslash. If the number of backslashes is odd, the last + backslash escapes the next double quotation mark as + described in rule 3. + """ + + # See + # http://msdn.microsoft.com/library/en-us/vccelng/htm/progs_12.asp + result = [] + needquote = False + for arg in seq: + bs_buf = [] + + # Add a space to separate this argument from the others + if result: + result.append(' ') + + needquote = (" " in arg) or ("\t" in arg) + if needquote: + result.append('"') + + for c in arg: + if c == '\\': + # Don't know if we need to double yet. + bs_buf.append(c) + elif c == '"': + # Double backspaces. + result.append('\\' * len(bs_buf)*2) + bs_buf = [] + result.append('\\"') + else: + # Normal char + if bs_buf: + result.extend(bs_buf) + bs_buf = [] + result.append(c) + + # Add remaining backspaces, if any. + if bs_buf: + result.extend(bs_buf) + + if needquote: + result.extend(bs_buf) + result.append('"') + + return ''.join(result) + + +class Popen(object): + def __init__(self, args, bufsize=0, executable=None, + stdin=None, stdout=None, stderr=None, + preexec_fn=None, close_fds=False, shell=False, + cwd=None, env=None, universal_newlines=False, + startupinfo=None, creationflags=0): + """Create new Popen instance.""" + _cleanup() + + self._child_created = False + if not isinstance(bufsize, (int, long)): + raise TypeError("bufsize must be an integer") + + if mswindows: + if preexec_fn is not None: + raise ValueError("preexec_fn is not supported on Windows " + "platforms") + if close_fds: + raise ValueError("close_fds is not supported on Windows " + "platforms") + else: + # POSIX + if startupinfo is not None: + raise ValueError("startupinfo is only supported on Windows " + "platforms") + if creationflags != 0: + raise ValueError("creationflags is only supported on Windows " + "platforms") + + self.stdin = None + self.stdout = None + self.stderr = None + self.pid = None + self.returncode = None + self.universal_newlines = universal_newlines + + # Input and output objects. The general principle is like + # this: + # + # Parent Child + # ------ ----- + # p2cwrite ---stdin---> p2cread + # c2pread <--stdout--- c2pwrite + # errread <--stderr--- errwrite + # + # On POSIX, the child objects are file descriptors. On + # Windows, these are Windows file handles. The parent objects + # are file descriptors on both platforms. The parent objects + # are None when not using PIPEs. The child objects are None + # when not redirecting. + + (p2cread, p2cwrite, + c2pread, c2pwrite, + errread, errwrite) = self._get_handles(stdin, stdout, stderr) + + self._execute_child(args, executable, preexec_fn, close_fds, + cwd, env, universal_newlines, + startupinfo, creationflags, shell, + p2cread, p2cwrite, + c2pread, c2pwrite, + errread, errwrite) + + if p2cwrite: + self.stdin = os.fdopen(p2cwrite, 'wb', bufsize) + if c2pread: + if universal_newlines: + self.stdout = os.fdopen(c2pread, 'rU', bufsize) + else: + self.stdout = os.fdopen(c2pread, 'rb', bufsize) + if errread: + if universal_newlines: + self.stderr = os.fdopen(errread, 'rU', bufsize) + else: + self.stderr = os.fdopen(errread, 'rb', bufsize) + + + def _translate_newlines(self, data): + data = data.replace("\r\n", "\n") + data = data.replace("\r", "\n") + return data + + + def __del__(self): + if not self._child_created: + # We didn't get to successfully create a child process. + return + # In case the child hasn't been waited on, check if it's done. + self.poll(_deadstate=sys.maxint) + if self.returncode is None and _active is not None: + # Child is still running, keep us alive until we can wait on it. + _active.append(self) + + + def communicate(self, input=None): + """Interact with process: Send data to stdin. Read data from + stdout and stderr, until end-of-file is reached. Wait for + process to terminate. The optional input argument should be a + string to be sent to the child process, or None, if no data + should be sent to the child. + + communicate() returns a tuple (stdout, stderr).""" + + # Optimization: If we are only using one pipe, or no pipe at + # all, using select() or threads is unnecessary. + if [self.stdin, self.stdout, self.stderr].count(None) >= 2: + stdout = None + stderr = None + if self.stdin: + if input: + self.stdin.write(input) + self.stdin.close() + elif self.stdout: + stdout = self.stdout.read() + elif self.stderr: + stderr = self.stderr.read() + self.wait() + return (stdout, stderr) + + return self._communicate(input) + + + if mswindows: + # + # Windows methods + # + def _get_handles(self, stdin, stdout, stderr): + """Construct and return tupel with IO objects: + p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite + """ + if stdin is None and stdout is None and stderr is None: + return (None, None, None, None, None, None) + + p2cread, p2cwrite = None, None + c2pread, c2pwrite = None, None + errread, errwrite = None, None + + if stdin is None: + p2cread = GetStdHandle(STD_INPUT_HANDLE) + elif stdin == PIPE: + p2cread, p2cwrite = CreatePipe(None, 0) + # Detach and turn into fd + p2cwrite = p2cwrite.Detach() + p2cwrite = msvcrt.open_osfhandle(p2cwrite, 0) + elif isinstance(stdin, int): + p2cread = msvcrt.get_osfhandle(stdin) + else: + # Assuming file-like object + p2cread = msvcrt.get_osfhandle(stdin.fileno()) + p2cread = self._make_inheritable(p2cread) + + if stdout is None: + c2pwrite = GetStdHandle(STD_OUTPUT_HANDLE) + elif stdout == PIPE: + c2pread, c2pwrite = CreatePipe(None, 0) + # Detach and turn into fd + c2pread = c2pread.Detach() + c2pread = msvcrt.open_osfhandle(c2pread, 0) + elif isinstance(stdout, int): + c2pwrite = msvcrt.get_osfhandle(stdout) + else: + # Assuming file-like object + c2pwrite = msvcrt.get_osfhandle(stdout.fileno()) + c2pwrite = self._make_inheritable(c2pwrite) + + if stderr is None: + errwrite = GetStdHandle(STD_ERROR_HANDLE) + elif stderr == PIPE: + errread, errwrite = CreatePipe(None, 0) + # Detach and turn into fd + errread = errread.Detach() + errread = msvcrt.open_osfhandle(errread, 0) + elif stderr == STDOUT: + errwrite = c2pwrite + elif isinstance(stderr, int): + errwrite = msvcrt.get_osfhandle(stderr) + else: + # Assuming file-like object + errwrite = msvcrt.get_osfhandle(stderr.fileno()) + errwrite = self._make_inheritable(errwrite) + + return (p2cread, p2cwrite, + c2pread, c2pwrite, + errread, errwrite) + + + def _make_inheritable(self, handle): + """Return a duplicate of handle, which is inheritable""" + return DuplicateHandle(GetCurrentProcess(), handle, + GetCurrentProcess(), 0, 1, + DUPLICATE_SAME_ACCESS) + + + def _find_w9xpopen(self): + """Find and return absolut path to w9xpopen.exe""" + w9xpopen = os.path.join(os.path.dirname(GetModuleFileName(0)), + "w9xpopen.exe") + if not os.path.exists(w9xpopen): + # Eeek - file-not-found - possibly an embedding + # situation - see if we can locate it in sys.exec_prefix + w9xpopen = os.path.join(os.path.dirname(sys.exec_prefix), + "w9xpopen.exe") + if not os.path.exists(w9xpopen): + raise RuntimeError("Cannot locate w9xpopen.exe, which is " + "needed for Popen to work with your " + "shell or platform.") + return w9xpopen + + + def _execute_child(self, args, executable, preexec_fn, close_fds, + cwd, env, universal_newlines, + startupinfo, creationflags, shell, + p2cread, p2cwrite, + c2pread, c2pwrite, + errread, errwrite): + """Execute program (MS Windows version)""" + + if not isinstance(args, types.StringTypes): + args = list2cmdline(args) + + # Process startup details + if startupinfo is None: + startupinfo = STARTUPINFO() + if None not in (p2cread, c2pwrite, errwrite): + startupinfo.dwFlags |= STARTF_USESTDHANDLES + startupinfo.hStdInput = p2cread + startupinfo.hStdOutput = c2pwrite + startupinfo.hStdError = errwrite + + if shell: + startupinfo.dwFlags |= STARTF_USESHOWWINDOW + startupinfo.wShowWindow = SW_HIDE + comspec = os.environ.get("COMSPEC", "cmd.exe") + args = comspec + " /c " + args + if (GetVersion() >= 0x80000000L or + os.path.basename(comspec).lower() == "command.com"): + # Win9x, or using command.com on NT. We need to + # use the w9xpopen intermediate program. For more + # information, see KB Q150956 + # (http://web.archive.org/web/20011105084002/http://support.microsoft.com/support/kb/articles/Q150/9/56.asp) + w9xpopen = self._find_w9xpopen() + args = '"%s" %s' % (w9xpopen, args) + # Not passing CREATE_NEW_CONSOLE has been known to + # cause random failures on win9x. Specifically a + # dialog: "Your program accessed mem currently in + # use at xxx" and a hopeful warning about the + # stability of your system. Cost is Ctrl+C wont + # kill children. + creationflags |= CREATE_NEW_CONSOLE + + # Start the process + try: + hp, ht, pid, tid = CreateProcess(executable, args, + # no special security + None, None, + # must inherit handles to pass std + # handles + 1, + creationflags, + env, + cwd, + startupinfo) + except pywintypes.error, e: + # Translate pywintypes.error to WindowsError, which is + # a subclass of OSError. FIXME: We should really + # translate errno using _sys_errlist (or simliar), but + # how can this be done from Python? + raise WindowsError(*e.args) + + # Retain the process handle, but close the thread handle + self._child_created = True + self._handle = hp + self.pid = pid + ht.Close() + + # Child is launched. Close the parent's copy of those pipe + # handles that only the child should have open. You need + # to make sure that no handles to the write end of the + # output pipe are maintained in this process or else the + # pipe will not close when the child process exits and the + # ReadFile will hang. + if p2cread is not None: + p2cread.Close() + if c2pwrite is not None: + c2pwrite.Close() + if errwrite is not None: + errwrite.Close() + + + def poll(self, _deadstate=None): + """Check if child process has terminated. Returns returncode + attribute.""" + if self.returncode is None: + if WaitForSingleObject(self._handle, 0) == WAIT_OBJECT_0: + self.returncode = GetExitCodeProcess(self._handle) + return self.returncode + + + def wait(self): + """Wait for child process to terminate. Returns returncode + attribute.""" + if self.returncode is None: + obj = WaitForSingleObject(self._handle, INFINITE) + self.returncode = GetExitCodeProcess(self._handle) + return self.returncode + + + def _readerthread(self, fh, buffer): + buffer.append(fh.read()) + + + def _communicate(self, input): + stdout = None # Return + stderr = None # Return + + if self.stdout: + stdout = [] + stdout_thread = threading.Thread(target=self._readerthread, + args=(self.stdout, stdout)) + stdout_thread.setDaemon(True) + stdout_thread.start() + if self.stderr: + stderr = [] + stderr_thread = threading.Thread(target=self._readerthread, + args=(self.stderr, stderr)) + stderr_thread.setDaemon(True) + stderr_thread.start() + + if self.stdin: + if input is not None: + self.stdin.write(input) + self.stdin.close() + + if self.stdout: + stdout_thread.join() + if self.stderr: + stderr_thread.join() + + # All data exchanged. Translate lists into strings. + if stdout is not None: + stdout = stdout[0] + if stderr is not None: + stderr = stderr[0] + + # Translate newlines, if requested. We cannot let the file + # object do the translation: It is based on stdio, which is + # impossible to combine with select (unless forcing no + # buffering). + if self.universal_newlines and hasattr(file, 'newlines'): + if stdout: + stdout = self._translate_newlines(stdout) + if stderr: + stderr = self._translate_newlines(stderr) + + self.wait() + return (stdout, stderr) + + else: + # + # POSIX methods + # + def _get_handles(self, stdin, stdout, stderr): + """Construct and return tupel with IO objects: + p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite + """ + p2cread, p2cwrite = None, None + c2pread, c2pwrite = None, None + errread, errwrite = None, None + + if stdin is None: + pass + elif stdin == PIPE: + p2cread, p2cwrite = os.pipe() + elif isinstance(stdin, int): + p2cread = stdin + else: + # Assuming file-like object + p2cread = stdin.fileno() + + if stdout is None: + pass + elif stdout == PIPE: + c2pread, c2pwrite = os.pipe() + elif isinstance(stdout, int): + c2pwrite = stdout + else: + # Assuming file-like object + c2pwrite = stdout.fileno() + + if stderr is None: + pass + elif stderr == PIPE: + errread, errwrite = os.pipe() + elif stderr == STDOUT: + errwrite = c2pwrite + elif isinstance(stderr, int): + errwrite = stderr + else: + # Assuming file-like object + errwrite = stderr.fileno() + + return (p2cread, p2cwrite, + c2pread, c2pwrite, + errread, errwrite) + + + def _set_cloexec_flag(self, fd): + try: + cloexec_flag = fcntl.FD_CLOEXEC + except AttributeError: + cloexec_flag = 1 + + old = fcntl.fcntl(fd, fcntl.F_GETFD) + fcntl.fcntl(fd, fcntl.F_SETFD, old | cloexec_flag) + + + def _close_fds(self, but): + for i in xrange(3, MAXFD): + if i == but: + continue + try: + os.close(i) + except: + pass + + + def _execute_child(self, args, executable, preexec_fn, close_fds, + cwd, env, universal_newlines, + startupinfo, creationflags, shell, + p2cread, p2cwrite, + c2pread, c2pwrite, + errread, errwrite): + """Execute program (POSIX version)""" + + if isinstance(args, types.StringTypes): + args = [args] + + if shell: + args = ["/bin/sh", "-c"] + args + + if executable is None: + executable = args[0] + + # For transferring possible exec failure from child to parent + # The first char specifies the exception type: 0 means + # OSError, 1 means some other error. + errpipe_read, errpipe_write = os.pipe() + self._set_cloexec_flag(errpipe_write) + + self.pid = os.fork() + self._child_created = True + if self.pid == 0: + # Child + try: + # Close parent's pipe ends + if p2cwrite: + os.close(p2cwrite) + if c2pread: + os.close(c2pread) + if errread: + os.close(errread) + os.close(errpipe_read) + + # Dup fds for child + if p2cread: + os.dup2(p2cread, 0) + if c2pwrite: + os.dup2(c2pwrite, 1) + if errwrite: + os.dup2(errwrite, 2) + + # Close pipe fds. Make sure we don't close the same + # fd more than once, or standard fds. + if p2cread: + os.close(p2cread) + if c2pwrite and c2pwrite not in (p2cread,): + os.close(c2pwrite) + if errwrite and errwrite not in (p2cread, c2pwrite): + os.close(errwrite) + + # Close all other fds, if asked for + if close_fds: + self._close_fds(but=errpipe_write) + + if cwd is not None: + os.chdir(cwd) + + if preexec_fn: + apply(preexec_fn) + + if env is None: + os.execvp(executable, args) + else: + os.execvpe(executable, args, env) + + except: + exc_type, exc_value, tb = sys.exc_info() + # Save the traceback and attach it to the exception object + exc_lines = traceback.format_exception(exc_type, + exc_value, + tb) + exc_value.child_traceback = ''.join(exc_lines) + os.write(errpipe_write, pickle.dumps(exc_value)) + + # This exitcode won't be reported to applications, so it + # really doesn't matter what we return. + os._exit(255) + + # Parent + os.close(errpipe_write) + if p2cread and p2cwrite: + os.close(p2cread) + if c2pwrite and c2pread: + os.close(c2pwrite) + if errwrite and errread: + os.close(errwrite) + + # Wait for exec to fail or succeed; possibly raising exception + data = os.read(errpipe_read, 1048576) # Exceptions limited to 1 MB + os.close(errpipe_read) + if data != "": + os.waitpid(self.pid, 0) + child_exception = pickle.loads(data) + raise child_exception + + + def _handle_exitstatus(self, sts): + if os.WIFSIGNALED(sts): + self.returncode = -os.WTERMSIG(sts) + elif os.WIFEXITED(sts): + self.returncode = os.WEXITSTATUS(sts) + else: + # Should never happen + raise RuntimeError("Unknown child exit status!") + + + def poll(self, _deadstate=None): + """Check if child process has terminated. Returns returncode + attribute.""" + if self.returncode is None: + try: + pid, sts = os.waitpid(self.pid, os.WNOHANG) + if pid == self.pid: + self._handle_exitstatus(sts) + except os.error: + if _deadstate is not None: + self.returncode = _deadstate + return self.returncode + + + def wait(self): + """Wait for child process to terminate. Returns returncode + attribute.""" + if self.returncode is None: + pid, sts = os.waitpid(self.pid, 0) + self._handle_exitstatus(sts) + return self.returncode + + + def _communicate(self, input): + read_set = [] + write_set = [] + stdout = None # Return + stderr = None # Return + + if self.stdin: + # Flush stdio buffer. This might block, if the user has + # been writing to .stdin in an uncontrolled fashion. + self.stdin.flush() + if input: + write_set.append(self.stdin) + else: + self.stdin.close() + if self.stdout: + read_set.append(self.stdout) + stdout = [] + if self.stderr: + read_set.append(self.stderr) + stderr = [] + + while read_set or write_set: + rlist, wlist, xlist = select.select(read_set, write_set, []) + + if self.stdin in wlist: + # When select has indicated that the file is writable, + # we can write up to PIPE_BUF bytes without risk + # blocking. POSIX defines PIPE_BUF >= 512 + bytes_written = os.write(self.stdin.fileno(), input[:512]) + input = input[bytes_written:] + if not input: + self.stdin.close() + write_set.remove(self.stdin) + + if self.stdout in rlist: + data = os.read(self.stdout.fileno(), 1024) + if data == "": + self.stdout.close() + read_set.remove(self.stdout) + stdout.append(data) + + if self.stderr in rlist: + data = os.read(self.stderr.fileno(), 1024) + if data == "": + self.stderr.close() + read_set.remove(self.stderr) + stderr.append(data) + + # All data exchanged. Translate lists into strings. + if stdout is not None: + stdout = ''.join(stdout) + if stderr is not None: + stderr = ''.join(stderr) + + # Translate newlines, if requested. We cannot let the file + # object do the translation: It is based on stdio, which is + # impossible to combine with select (unless forcing no + # buffering). + if self.universal_newlines and hasattr(file, 'newlines'): + if stdout: + stdout = self._translate_newlines(stdout) + if stderr: + stderr = self._translate_newlines(stderr) + + self.wait() + return (stdout, stderr) + + +def _demo_posix(): + # + # Example 1: Simple redirection: Get process list + # + plist = Popen(["ps"], stdout=PIPE).communicate()[0] + print "Process list:" + print plist + + # + # Example 2: Change uid before executing child + # + if os.getuid() == 0: + p = Popen(["id"], preexec_fn=lambda: os.setuid(100)) + p.wait() + + # + # Example 3: Connecting several subprocesses + # + print "Looking for 'hda'..." + p1 = Popen(["dmesg"], stdout=PIPE) + p2 = Popen(["grep", "hda"], stdin=p1.stdout, stdout=PIPE) + print repr(p2.communicate()[0]) + + # + # Example 4: Catch execution error + # + print + print "Trying a weird file..." + try: + print Popen(["/this/path/does/not/exist"]).communicate() + except OSError, e: + if e.errno == errno.ENOENT: + print "The file didn't exist. I thought so..." + print "Child traceback:" + print e.child_traceback + else: + print "Error", e.errno + else: + print >>sys.stderr, "Gosh. No error." + + +def _demo_windows(): + # + # Example 1: Connecting several subprocesses + # + print "Looking for 'PROMPT' in set output..." + p1 = Popen("set", stdout=PIPE, shell=True) + p2 = Popen('find "PROMPT"', stdin=p1.stdout, stdout=PIPE) + print repr(p2.communicate()[0]) + + # + # Example 2: Simple execution of program + # + print "Executing calc..." + p = Popen("calc") + p.wait() + + +if __name__ == "__main__": + if mswindows: + _demo_windows() + else: + _demo_posix() diff --git a/func/minion/utils.py b/func/minion/utils.py new file mode 100755 index 0000000..a7ea788 --- /dev/null +++ b/func/minion/utils.py @@ -0,0 +1,207 @@ +""" +Copyright 2007, Red Hat, Inc +see AUTHORS + +This software may be freely redistributed under the terms of the GNU +general public license. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +""" + +import os +import socket +import string +import sys +import time +import traceback +import xmlrpclib +import glob +import traceback + +import codes +from func import certs +from func.config import read_config +from func.commonconfig import FuncdConfig +from func import logger + +# "localhost" is a lame hostname to use for a key, so try to get +# a more meaningful hostname. We do this by connecting to the certmaster +# and seeing what interface/ip it uses to make that connection, and looking +# up the hostname for that. +def get_hostname(): + + # FIXME: this code ignores http proxies (which granted, we don't + # support elsewhere either. It also hardcodes the port number + # for the certmaster for now + hostname = None + hostname = socket.gethostname() + try: + ip = socket.gethostbyname(hostname) + except: + return hostname + if ip != "127.0.0.1": + return hostname + + + config_file = '/etc/func/minion.conf' + config = read_config(config_file, FuncdConfig) + + server = config.certmaster + port = 51235 + + try: + s = socket.socket() + s.settimeout(5) + s.connect((server, port)) + (intf, port) = s.getsockname() + hostname = socket.gethostbyaddr(intf)[0] + s.close() + except: + s.close() + raise + + return hostname + + + +def create_minion_keys(): + config_file = '/etc/func/minion.conf' + config = read_config(config_file, FuncdConfig) + cert_dir = config.cert_dir + master_uri = 'http://%s:51235/' % config.certmaster + hn = get_hostname() + + if hn is None: + raise codes.FuncException("Could not determine a hostname other than localhost") + + key_file = '%s/%s.pem' % (cert_dir, hn) + csr_file = '%s/%s.csr' % (cert_dir, hn) + cert_file = '%s/%s.cert' % (cert_dir, hn) + ca_cert_file = '%s/ca.cert' % cert_dir + + + if os.path.exists(cert_file) and os.path.exists(ca_cert_file): + return + + keypair = None + try: + if not os.path.exists(cert_dir): + os.makedirs(cert_dir) + if not os.path.exists(key_file): + keypair = certs.make_keypair(dest=key_file) + if not os.path.exists(csr_file): + if not keypair: + keypair = certs.retrieve_key_from_file(key_file) + csr = certs.make_csr(keypair, dest=csr_file) + except Exception, e: + traceback.print_exc() + raise codes.FuncException, "Could not create local keypair or csr for minion funcd session" + + result = False + log = logger.Logger().logger + while not result: + try: + log.debug("submitting CSR to certmaster %s" % master_uri) + result, cert_string, ca_cert_string = submit_csr_to_master(csr_file, master_uri) + except socket.gaierror, e: + raise codes.FuncException, "Could not locate certmaster at %s" % master_uri + + # logging here would be nice + if not result: + log.warning("no response from certmaster %s, sleeping 10 seconds" % master_uri) + time.sleep(10) + + + if result: + log.debug("received certificate from certmaster %s, storing" % master_uri) + cert_fd = os.open(cert_file, os.O_RDWR|os.O_CREAT, 0644) + os.write(cert_fd, cert_string) + os.close(cert_fd) + + ca_cert_fd = os.open(ca_cert_file, os.O_RDWR|os.O_CREAT, 0644) + os.write(ca_cert_fd, ca_cert_string) + os.close(ca_cert_fd) + +def submit_csr_to_master(csr_file, master_uri): + """" + gets us our cert back from the certmaster.wait_for_cert() method + takes csr_file as path location and master_uri + returns Bool, str(cert), str(ca_cert) + """ + + fo = open(csr_file) + csr = fo.read() + s = xmlrpclib.ServerProxy(master_uri) + + return s.wait_for_cert(csr) + + +# this is kind of handy, so keep it around for now +# but we really need to fix out server side logging and error +# reporting so we don't need it +def trace_me(): + x = traceback.extract_stack() + bar = string.join(traceback.format_list(x)) + return bar + + +def daemonize(pidfile=None): + """ + Daemonize this process with the UNIX double-fork trick. + Writes the new PID to the provided file name if not None. + """ + + print pidfile + pid = os.fork() + if pid > 0: + sys.exit(0) + os.setsid() + os.umask(0) + pid = os.fork() + + + if pid > 0: + if pidfile is not None: + open(pidfile, "w").write(str(pid)) + sys.exit(0) + +def get_acls_from_config(acldir='/etc/func/minion-acl.d'): + """ + takes a dir of .acl files + returns a dict of hostname+hash = [methods, to, run] + + """ + + acls = {} + if not os.path.exists(acldir): + print 'acl dir does not exist: %s' % acldir + return acls + + # get the set of files + acl_glob = '%s/*.acl' % acldir + files = glob.glob(acl_glob) + + for acl_file in files: + + try: + fo = open(acl_file, 'r') + except (IOError, OSError), e: + print 'cannot open acl config file: %s - %s' % (acl_file, e) + continue + + for line in fo.readlines(): + if line.startswith('#'): continue + if line.strip() == '': continue + line = line.replace('\n', '') + (host, methods) = line.split('=') + host = host.strip().lower() + methods = methods.strip() + methods = methods.replace(',',' ') + methods = methods.split() + if not acls.has_key(host): + acls[host] = [] + acls[host].extend(methods) + + return acls diff --git a/func/overlord/.forkbomb.py.swp b/func/overlord/.forkbomb.py.swp new file mode 100644 index 0000000000000000000000000000000000000000..242b6f424484de4b81ca53b28020f4e66dd95181 GIT binary patch literal 16384 zcmeHOON<;x8E(QWAtXEuk&r+t&&u{}((avgj4j(4D~sQXy-wC^V`DAt>h7AE&h{%+ z-8(ygkx)4B5-1V~E;$f{kT@WSlnWdX2na%f96-Ln5l$#TZaIM9`>U#_XLl1Tpd5(Q zt^KAS_4@0p|Npz{uil_{<=h2!*jsdPyw`E=U;fgW$6h|>{CSt-q>&hLo>9te51Y@E zQRPVyjdGSD*6GSD*6GSD*6GSD*6GSD*6GSD*6GSD*cCS`y}j&lgIAEf{Q_Wvmc z@XPl&&QriAfUCd}U>EQ{;5YX=&JTef0FMJM@Q-^O=kLH@fL{RL0looz0k{dIzzx6$ zE&vOF2iynT3;gljj`MrqN5E6SCU6Wm3cPYR>Ia?!z6pE{_$qJ>I0D=S{OMh&1NbfQ 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+++ b/func/overlord/client.py @@ -0,0 +1,336 @@ +## +## func command line interface & client lib +## +## Copyright 2007, Red Hat, Inc +## Michael DeHaan +## +AUTHORS +## +## This software may be freely redistributed under the terms of the GNU +## general public license. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +## + +import sys +import glob +import os + +from func.commonconfig import CMConfig +from func.config import read_config, CONFIG_FILE + +import sslclient + +import command +import groups +import func.forkbomb as forkbomb +import func.jobthing as jobthing +import func.utils as utils +from func.CommonErrors import * + +# =================================== +# defaults +# TO DO: some of this may want to come from config later + +DEFAULT_PORT = 51234 +FUNC_USAGE = "Usage: %s [ --help ] [ --verbose ] target.example.org module method arg1 [...]" + +# =================================== + +class CommandAutomagic(object): + """ + This allows a client object to act as if it were one machine, when in + reality it represents many. + """ + + def __init__(self, clientref, base, nforks=1): + self.base = base + self.clientref = clientref + self.nforks = nforks + + def __getattr__(self,name): + base2 = self.base[:] + base2.append(name) + return CommandAutomagic(self.clientref, base2, self.nforks) + + def __call__(self, *args): + if not self.base: + raise AttributeError("something wrong here") + if len(self.base) < 2: + raise AttributeError("no method called: %s" % ".".join(self.base)) + module = self.base[0] + method = ".".join(self.base[1:]) + return self.clientref.run(module,method,args,nforks=self.nforks) + + +def get_groups(): + group_class = groups.Groups() + return group_class.get_groups() + + +def get_hosts_by_groupgoo(groups, groupgoo): + group_gloobs = groupgoo.split(':') + hosts = [] + for group_gloob in group_gloobs: + if not group_gloob[0] == "@": + continue + if groups.has_key(group_gloob[1:]): + hosts = hosts + groups[group_gloob[1:]] + else: + print "group %s not defined" % group_gloob + return hosts + +# =================================== +# this is a module level def so we can use it and isServer() from +# other modules with a Client class +def expand_servers(spec, port=51234, noglobs=None, verbose=None, just_fqdns=False): + """ + Given a regex/blob of servers, expand to a list + of server ids. + """ + + + # FIXME: we need to refactor expand_servers, it seems to do + # weird things, reload the config and groups config everytime it's + # called for one, which may or may not be bad... -akl + config = read_config(CONFIG_FILE, CMConfig) + + if noglobs: + if not just_fqdns: + return [ "https://%s:%s" % (spec, port) ] + else: + return spec + + group_dict = get_groups() + + all_hosts = [] + all_certs = [] + seperate_gloobs = spec.split(";") + + new_hosts = get_hosts_by_groupgoo(group_dict, spec) + + seperate_gloobs = spec.split(";") + seperate_gloobs = seperate_gloobs + new_hosts + for each_gloob in seperate_gloobs: + actual_gloob = "%s/%s.cert" % (config.certroot, each_gloob) + certs = glob.glob(actual_gloob) + for cert in certs: + all_certs.append(cert) + host = cert.replace(config.certroot,"")[1:-5] + all_hosts.append(host) + + all_urls = [] + for x in all_hosts: + if not just_fqdns: + all_urls.append("https://%s:%s" % (x, port)) + else: + all_urls.append(x) + + if verbose and len(all_urls) == 0: + sys.stderr.write("no hosts matched\n") + + return all_urls + + +# does the hostnamegoo actually expand to anything? +def isServer(server_string): + servers = expand_servers(server_string) + if len(servers) > 0: + return True + return False + + +class Client(object): + + def __init__(self, server_spec, port=DEFAULT_PORT, interactive=False, + verbose=False, noglobs=False, nforks=1, config=None, async=False, init_ssl=True): + """ + Constructor. + @server_spec -- something like "*.example.org" or "foosball" + @port -- is the port where all funcd processes should be contacted + @verbose -- whether to print unneccessary things + @noglobs -- specifies server_spec is not a glob, and run should return single values + @config -- optional config object + """ + self.config = config + if config is None: + self.config = read_config(CONFIG_FILE, CMConfig) + + + self.server_spec = server_spec + self.port = port + self.verbose = verbose + self.interactive = interactive + self.noglobs = noglobs + self.nforks = nforks + self.async = async + + self.servers = expand_servers(self.server_spec, port=self.port, noglobs=self.noglobs,verbose=self.verbose) + + if init_ssl: + self.setup_ssl() + + def setup_ssl(self, client_key=None, client_cert=None, ca=None): + # defaults go: + # certmaster key, cert, ca + # funcd key, cert, ca + # raise FuncClientError + ol_key = '%s/funcmaster.key' % self.config.cadir + ol_crt = '%s/funcmaster.crt' % self.config.cadir + myname = utils.get_hostname() + # maybe /etc/pki/func is a variable somewhere? + fd_key = '/etc/pki/func/%s.pem' % myname + fd_crt = '/etc/pki/func/%s.cert' % myname + self.ca = '%s/funcmaster.crt' % self.config.cadir + if client_key and client_cert and ca: + if (os.access(client_key, os.R_OK) and os.access(client_cert, os.R_OK) + and os.access(ca, os.R_OK)): + self.key = client_key + self.cert = client_cert + self.ca = ca + # otherwise fall through our defaults + elif os.access(ol_key, os.R_OK) and os.access(ol_crt, os.R_OK): + self.key = ol_key + self.cert = ol_crt + elif os.access(fd_key, os.R_OK) and os.access(fd_crt, os.R_OK): + self.key = fd_key + self.cert = fd_crt + else: + raise Func_Client_Exception, 'Cannot read ssl credentials: ssl, cert, ca' + + + + + def __getattr__(self, name): + """ + This getattr allows manipulation of the object as if it were + a XMLRPC handle to a single machine, when in reality it is a handle + to an unspecified number of machines. + + So, it enables stuff like this: + + Client("*.example.org").yum.install("foo") + + # WARNING: any missing values in Client's source will yield + # strange errors with this engaged. Be aware of that. + """ + + return CommandAutomagic(self, [name], self.nforks) + + # ----------------------------------------------- + + def job_status(self, jobid): + """ + Use this to acquire status from jobs when using run with async client handles + """ + return jobthing.job_status(jobid, client_class=Client) + + # ----------------------------------------------- + + def run(self, module, method, args, nforks=1): + """ + Invoke a remote method on one or more servers. + Run returns a hash, the keys are server names, the values are the + returns. + + The returns may include exception objects. + If Client() was constructed with noglobs=True, the return is instead + just a single value, not a hash. + """ + + results = {} + + def process_server(bucketnumber, buckets, server): + + conn = sslclient.FuncServer(server, self.key, self.cert, self.ca ) + # conn = xmlrpclib.ServerProxy(server) + + if self.interactive: + sys.stderr.write("on %s running %s %s (%s)\n" % (server, + module, method, ",".join(args))) + + # FIXME: support userland command subclassing only if a module + # is present, otherwise run as follows. -- MPD + + try: + # thats some pretty code right there aint it? -akl + # we can't call "call" on s, since thats a rpc, so + # we call gettatr around it. + meth = "%s.%s" % (module, method) + + # async calling signature has an "imaginary" prefix + # so async.abc.def does abc.def as a background task. + # see Wiki docs for details + if self.async: + meth = "async.%s" % meth + + # this is the point at which we make the remote call. + retval = getattr(conn, meth)(*args[:]) + + if self.interactive: + print retval + except Exception, e: + (t, v, tb) = sys.exc_info() + retval = utils.nice_exception(t,v,tb) + if self.interactive: + sys.stderr.write("remote exception on %s: %s\n" % + (server, str(e))) + + if self.noglobs: + return retval + else: + left = server.rfind("/")+1 + right = server.rfind(":") + server_name = server[left:right] + return (server_name, retval) + + if not self.noglobs: + if self.nforks > 1 or self.async: + # using forkbomb module to distribute job over multiple threads + if not self.async: + results = forkbomb.batch_run(self.servers, process_server, nforks) + else: + results = jobthing.batch_run(self.servers, process_server, nforks) + else: + # no need to go through the fork code, we can do this directly + results = {} + for x in self.servers: + (nkey,nvalue) = process_server(0, 0, x) + results[nkey] = nvalue + else: + # globbing is not being used, but still need to make sure + # URI is well formed. + expanded = expand_servers(self.server_spec, port=self.port, noglobs=True, verbose=self.verbose)[0] + results = process_server(0, 0, expanded) + + return results + + # ----------------------------------------------- + + def cli_return(self,results): + """ + As the return code list could return strings and exceptions + and all sorts of crazy stuff, reduce it down to a simple + integer return. It may not be useful but we need one. + """ + numbers = [] + for x in results.keys(): + # faults are the most important + if type(x) == Exception: + return -911 + # then pay attention to numbers + if type(x) == int: + numbers.append(x) + + # if there were no numbers, assume 0 + if len(numbers) == 0: + return 0 + + # if there were numbers, return the highest + # (presumably the worst error code + max = -9999 + for x in numbers: + if x > max: + max = x + return max diff --git a/func/overlord/client.pyc b/func/overlord/client.pyc new file mode 100644 index 0000000000000000000000000000000000000000..5c7874e645365430658270c493789690b04ff601 GIT binary patch literal 8199 zcma)B&u<*bb*}FDLC)}}eo?Dk?YdWvyt6h%*$W#6WZ98KN?ZlI+)Y!0ytIWzPj}5s zQ$5|ot{#yL$V((-_mBiZkW&yKXCDJ!eK6pQ0VBr%{x_1V18lzURnH8qB(gZ{n(FGR z*Hy2+_r3ROe)(TZ?U(=juiKHT{#NjP2bcK+iWvWndZyIgwC<=qN7`NW%vEVk?bVdS zel_*1uF{6uYpArT_L{a8qvzD#+(gp6+MA!$TWYU0skc?Kp!OCfw~H!SQhQ62+hvuk zsJ#^x*VW#tit&zfDsC!$UiC1SIrUPh7fOAxcR|JTyxF^`;+9k{aSWD#e|=fSZS@i& z-cs>`JiVgg#fg+9wuqFs*?YIMjP)m9<8P_OHgxqMD$Zx>Op<-|aLwDo4@w@b_qt7%xoI{19JWlqNbWy}Y}x zqtYvLFT_`9yrkzPrFWhKxbZ(i6p2fP0C|-EcB?*29gZAX2%=y zJfV7{ItpH#|0XW;4HPG?I#DV>#gPiinpChHg+1cPolXs9$+6wg=(2^1oo=CfWfON< zFE5^%4tq#9qtl+x)%tAm*`S-Z%&|LZUc@)8w2jfRU?2#REGdKF2KpI} zRZa_^h!f{bC|DN24w!wS)O)8`hpVtqtmB2FoKn`6U@f*%S1)SQi1QWsoSM4j6d$t$QR##lAr~;4IW}|Ey4EhQ*bhaC;`y1$XYKLKb zLsW%Zh@TT#P3X+o?a(ZD%tg*Hr>P`a-#aXFlmnnL;jYNjET33X1XSyo=7>cowSf)7 z)L6Ap;EDwqB`M%8w3BqlrM_Pjc~MgFDF95>?B_`)dm^pHIJ4sgRMWkI-5S|QYtFVR zCjEx{#03TcCmjSoMBQ*!%4s{R&YI(4tJa(jF;Rh&SO|i$jg}y=@5C*q69jP{1%Xe2 z{vwM@C}y*e+UwviAp8Jh3`I2SO?R=;YDB0jYLC|@F0+QB6qUYE>eQmfCAa>O!E(<1 zA|H>edbVwq^9CjZ`@}LYkt+8=l!nI4X8hX8zJpPBaT)H1au%(H(n|Pdndlf5015yA z;}dSK>SM+=b@T<{w)ONc)oERwfF@ma1)RC>s?nTs4z3F130_#VkSM{LuPMjUQ`L6m zGDM-X1AxQg*S0^#%@cIll?~ew_}votN%f9^P|zyNrNhYb(u;Kuq#9eE;{wbGgerSF z2u<)zAIo-YkZ;gW^Smom?q5Mq0fh+b=XuFZw~CZ*MmS@To6?ByI`inwbX*cZ+%1t2 zbdT+};Z+YfOB$teR-C3Yr<%?=XU@6kthwM8uHif`qEa^E2-pE)patmZg{w}*-19$! zLhEXD2^tjs$6ocI$3EQi!7V%kqJ(>D1lMU(Hg8VKd7%i|IPPmpVW}rgHd1=~)u$&d zb<$Rs(eLO`;b!Y;u1*n+fNvTq!MFu^@#&(1))Vm0qQGTI9c`(TC3L^7PM6imyh`xm zWubU{C6Fq^!EAUfPykwc|8zy2KnOanNXLU;sV4`2r=AdbtLo^-e7g1Y2kP`3u{C-J z>s)1bssK$^1z41Gu;f&a&|WnVUHJzfUMz8yjUY>)Hou6b1(ir#g&2vwsX6r7?X<89 z<`Wd+jklBMaNQwXbzdLd?526w%X^;D1-zkI_w>;SVTVKjUYeLv#!NeSNo=fBH%kyW zD9e$#b@S$RbE_iT9~m0>b%UmjNEanGz2e^F4+yoy7R))cfvyEqh!e_apyRg0V?H^? 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(default 1)", + default=DEFAULT_FORKS) + + def handleOptions(self, options): + self.options = options + + self.verbose = options.verbose + self.port = options.port + + # I'm not really a fan of the "module methodname" approach + # but we'll keep it for now -akl + + def parse(self, argv): + self.argv = argv + + return command.Command.parse(self, argv) + + + def format_return(self, data): + """ + The call module supports multiple output return types, the default is pprint. + """ + + if self.options.xmlrpc: + return xmlrpclib.dumps((data,"")) + + if self.options.json: + try: + import simplejson + return simplejson.dumps(data) + except ImportError: + print "WARNING: json support not found, install python-simplejson" + return data + + if self.options.rawprint: + return data + + return pprint.pformat(data) + + def do(self, args): + + # I'm not really a fan of the "module methodname" approach + # but we'll keep it for now -akl + + # I kind of feel like we shouldn't be parsing args here, but I'm + # not sure what the write place is -al; + self.module = args[0] + if len(args) > 1: + self.method = args[1] + else: + self.method = None + if len(args) > 2: + self.method_args = args[2:] + else: + self.method_args = [] + + # this could get weird, sub sub classes might be calling this + # this with multiple.parentCommand.parentCommands... + # maybe command.py needs a way to set attrs on subCommands? + # or some sort of shared datastruct? + self.server_spec = self.parentCommand.server_spec + + client_obj = client.Client(self.server_spec,port=self.port,interactive=True, + verbose=self.verbose, config=self.config, nforks=self.options.forks) + results = client_obj.run(self.module, self.method, self.method_args) + + # TO DO: add multiplexer support + # probably as a higher level module. + + # dump the return code stuff atm till we figure out the right place for it + return self.format_return(results) diff --git a/func/overlord/cmd_modules/call.pyc b/func/overlord/cmd_modules/call.pyc new file mode 100644 index 0000000000000000000000000000000000000000..f6c588d72c623e735b9d3fc5166c85e9cf178cfa GIT binary patch literal 2900 zcmbtWU2hvj6urB4oOo-uNlR%F5Jm_j3nflJ1XTq>4WUgzZCY&-LCu4;*&W-Ptap~3 zwbMxLQ+VeA-uV&y34RZM0M5N*rv>$e;CRM&=I+j%JNKMB`Tfs!aJ;&@9niKiKM!lNYH9D$Owm`iF^7y&Bj2qNzV2tTSN*bgalrB)Z zL<2mrNIwys5O?(^sx|dZ9tT!ywYk6d@JYBE1bd^@Dr*MSaa3wGj!x8pR)bRO>_nA1No`f8 z2a^i#Px3^Usv2ok>2hq98OUIJXFnL~T$fR%ipfEi#tKd6R(FHonVBd%GLtM(qiCwJ zVyx3C7K>C2h_9`owr6WRb!$9wYXnhd@}W9Ts}Xhs)S@)QG8%ub(t*kiB04V93XqI| zc>v&QcNR_XzyNbpr6!layKCyRJD;k@k+o`bs@K$3G(ITPWC-)|rn+(K=Iy&{YJYdL z8>D~Xv(v#LQ?-aLHsf)WCvKv_6IrVBD*f;eJW$7Y3#mBc2fy|en%zXF!4ISny|96K z;B!iQbxLYtEHDjtra_u^1xUvCy;1cNkZn6oQo*t6juRE zTbWY#t8${<8qY1OWqtkmI4g^|;-_aOESfosqD=EjoX&Lb9$J2Uef`j4@j6U4oU53* z3R70%5`zyq(SvA`Rh=4aw_;RUT?)7;N&2P`tSz{|zW-oz|IuFm>638J5sNpmIvaHG zOVZg-U~R<14OY493_{OLnQX-4q(2r8*bOE`w>X(^^F(&BtGphcD0$bt#ecP!4|(2% zA0K1lg~t@>ivgCfjozcw7aNS>EHSNiT#OvF3(AHIutN^5!|R4C++E=z+WF#X(T6JXjI$sr0iMT!+B4a5^qBEt2E8Z^pdA{jxNr&`mfcc|%=~!guk=xl>Xxx!nH!Qdg5Qzl#Zb z9UXaX@0#ECR?uo*%Ukg-dJA6L<&2Mmu}RK;h2awP4r|2?e3F3(2WR>Ldqh9TW?B~^ z)d|OuHYDFDz%rSl<}MI2f?~`(K;>N&BS3QNv-Dk%8AlY+CzN?wqnE<*v_&s!!UXv* zVFy%_VvkM~$=a+KJL(-SY}C!E7S&3ricLO9haEl^8N1@*Ou1y_Rd?U?p&KhF2$|p} zoC}8+N4-Oh>f1ucA*)SR*pdrVs)OWj4>j5q48@PI5Xwm&a>)|Hy~?!g#N2RqZr>an z3U^9vQEBb@^Up_;m~YYBWpuRIM%vqrOa7{N)mv={nUM`7ug|w@zb_2!&x$UF%mnsG zfD@~up$;!&F65dkikEo8H4IkM+wDbk4Uhktt!A^?Xs&e5)YR`MCI&9X zjG8P3OtcmOk96l(h}1nvQOE}nvan^R{|8pC)h`@-zPyAr9q3vMN^1Gb-m>5D F{{|VdWSIZ} literal 0 HcmV?d00001 diff --git a/func/overlord/cmd_modules/copyfile.py b/func/overlord/cmd_modules/copyfile.py new file mode 100644 index 0000000..295aeab --- /dev/null +++ b/func/overlord/cmd_modules/copyfile.py @@ -0,0 +1,73 @@ +""" +copyfile command line + +Copyright 2007, Red Hat, Inc +see AUTHORS + +This software may be freely redistributed under the terms of the GNU +general public license. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +""" + + +import optparse +import os +import pprint +import stat +import xmlrpclib + +from func.overlord import command +from func.overlord import client + +DEFAULT_PORT = 51234 + +class CopyFile(client.command.Command): + name = "copyfile" + usage = "copy a file to a client" + + + def addOptions(self): + self.parser.add_option("-f", "--file", dest="filename", + action="store") + self.parser.add_option("", "--remotepath", dest="remotepath", + action="store") + self.parser.add_option("", "--force", dest="force", + action="store_true") + self.parser.add_option("-v", "--verbose", dest="verbose", + action="store_true") + self.parser.add_option("-p", "--port", dest="port") + + def handleOptions(self, options): + self.port = DEFAULT_PORT + if self.options.port: + self.port = self.options.port + + + def do(self, args): + self.server_spec = self.parentCommand.server_spec + + client_obj = client.Client(self.server_spec, + port=self.port, + interactive=False, + verbose=self.options.verbose, + config=self.config) + + + try: + fb = open(self.options.filename, "r").read() + except IOError, e: + print "Unable to open file: %s: %s" % (self.options.filename, e) + return + + st = os.stat(self.options.filename) + mode = stat.S_IMODE(st.st_mode) + uid = st.st_uid + gid = st.st_gid + + + data = xmlrpclib.Binary(fb) + results = client_obj.run("copyfile", "copyfile", [self.options.remotepath, data, + mode, uid, gid]) diff --git a/func/overlord/cmd_modules/listminions.py b/func/overlord/cmd_modules/listminions.py new file mode 100644 index 0000000..50c7e24 --- /dev/null +++ b/func/overlord/cmd_modules/listminions.py @@ -0,0 +1,51 @@ +""" +copyfile command line + +Copyright 2007, Red Hat, Inc +see AUTHORS + +This software may be freely redistributed under the terms of the GNU +general public license. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +""" + + +import optparse +import os + +from func.overlord import command +from func.overlord import client +DEFAULT_PORT = 51234 + +class ListMinions(client.command.Command): + name = "list_minions" + usage = "show known minions" + + def addOptions(self): + self.parser.add_option("-v", "--verbose", dest="verbose", + action="store_true") + + def handleOptions(self, options): + self.port = DEFAULT_PORT + if options.verbose: + self.verbose = self.options.verbose + + def do(self, args): + self.server_spec = self.parentCommand.server_spec + + client_obj = client.Client(self.server_spec, + port=self.port, + interactive=False, + verbose=self.options.verbose, + config=self.config) + + servers = client_obj.servers + print servers + for server in servers: + # just cause I hate regex'es -akl + host = server.split(':')[-2] + host = host.split('/')[-1] + print host diff --git a/func/overlord/cmd_modules/ping.py b/func/overlord/cmd_modules/ping.py new file mode 100644 index 0000000..f756fd9 --- /dev/null +++ b/func/overlord/cmd_modules/ping.py @@ -0,0 +1,69 @@ +""" +copyfile command line + +Copyright 2007, Red Hat, Inc +Michael DeHaan +also see AUTHORS + +This software may be freely redistributed under the terms of the GNU +general public license. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +""" + +import optparse +import os +import pprint +import stat +import xmlrpclib + +from func.overlord import command +from func.overlord import client + +# FIXME: this really should not be in each sub module. +DEFAULT_PORT = 51234 + + +class Ping(client.command.Command): + name = "ping" + usage = "see what func minions are up/accessible" + + def addOptions(self): + """ + Not too many options for you! (Seriously, it's a simple command ... func "*" ping) + """ + # FIXME: verbose and port should be added globally to all sub modules + self.parser.add_option("-v", "--verbose", dest="verbose", + action="store_true") + self.parser.add_option("-p", "--port", dest="port", + default=DEFAULT_PORT) + + def handleOptions(self, options): + """ + Nothing to do here... + """ + pass + + def do(self, args): + self.server_spec = self.parentCommand.server_spec + + # because this is mainly an interactive command, expand the server list and make seperate connections. + # to make things look more speedy. + + servers = client.expand_servers(self.server_spec, port=self.options.port, noglobs=None, + verbose=self.options.verbose, just_fqdns=True) + + for server in servers: + + client_obj = client.Client(server,port=self.options.port,interactive=False, + verbose=self.options.verbose,config=self.config, noglobs=True) + + results = client_obj.run("test", "ping", []) + if results == 1: + print "[ ok ... ] %s" % server + else: + print "[ FAILED ] %s" % server + + return 1 diff --git a/func/overlord/cmd_modules/show.py b/func/overlord/cmd_modules/show.py new file mode 100644 index 0000000..e1df554 --- /dev/null +++ b/func/overlord/cmd_modules/show.py @@ -0,0 +1,99 @@ +""" +show introspection commandline + +Copyright 2007, Red Hat, Inc +see AUTHORS + +This software may be freely redistributed under the terms of the GNU +general public license. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +""" + + +import optparse +import pprint +import xmlrpclib + +from func.overlord import command +from func.overlord import client + +DEFAULT_PORT = 51234 + + +class ShowHardware(client.command.Command): + name = "hardware" + usage = "show hardware details" + + # FIXME: we might as well make verbose be in the subclass + # and probably an inc variable while we are at it + def addOptions(self): + self.parser.add_option("-v", "--verbose", dest="verbose", + action="store_true") + self.parser.add_option("-p", "--port", dest="port") + + + def handleOptions(self, options): + self.port = DEFAULT_PORT + if self.options.port: + self.port = self.options.port + + def parse(self, argv): + self.argv = argv + return command.Command.parse(self,argv) + + def do(self,args): + + self.server_spec = self.parentCommand.parentCommand.server_spec + + client_obj = client.Client(self.server_spec, + port=self.port, + interactive=False, + verbose=self.options.verbose, + config=self.config) + + results = client_obj.run("hardware", "info", []) + + # if the user + top_options = ["port","verbose"] + + for minion in results: + print "%s:" % minion + minion_data = results[minion] + # if user set no args + if not args: + pprint.pprint(minion_data) + continue + + for arg in args: + if arg in minion_data: + print minion_data[arg] + + +class Show(client.command.Command): + name = "show" + usage = "various simple report stuff" + subCommandClasses = [ShowHardware] + def addOptions(self): + self.parser.add_option("-v", "--verbose", dest="verbose", + action="store_true") + self.parser.add_option("-p", "--port", dest="port", + default=DEFAULT_PORT) + + def handleOptions(self, options): + self.options = options + + self.verbose = options.verbose + self.port = options.port + + + def parse(self, argv): + self.argv = argv + + return command.Command.parse(self, argv) + + + def do(self, args): + pass diff --git a/func/overlord/command.py b/func/overlord/command.py new file mode 100644 index 0000000..7fb7de4 --- /dev/null +++ b/func/overlord/command.py @@ -0,0 +1,287 @@ +# -*- Mode: Python; test-case-name: test_command -*- +# vi:si:et:sw=4:sts=4:ts=4 + +# This file is released under the standard PSF license. +# +# from MOAP - https://thomas.apestaart.org/moap/trac +# written by Thomas Vander Stichele (thomas at apestaart dot org) +# + +""" +Command class. +""" + +import optparse +import sys + +from func.config import read_config, CONFIG_FILE +from func.commonconfig import CMConfig + +class CommandHelpFormatter(optparse.IndentedHelpFormatter): + """ + I format the description as usual, but add an overview of commands + after it if there are any, formatted like the options. + """ + _commands = None + + def addCommand(self, name, description): + if self._commands is None: + self._commands = {} + self._commands[name] = description + + ### override parent method + def format_description(self, description): + # textwrap doesn't allow for a way to preserve double newlines + # to separate paragraphs, so we do it here. + blocks = description.split('\n\n') + rets = [] + + for block in blocks: + rets.append(optparse.IndentedHelpFormatter.format_description(self, + block)) + ret = "\n".join(rets) + if self._commands: + commandDesc = [] + commandDesc.append("commands:") + keys = self._commands.keys() + keys.sort() + length = 0 + for key in keys: + if len(key) > length: + length = len(key) + for name in keys: + format = " %-" + "%d" % length + "s %s" + commandDesc.append(format % (name, self._commands[name])) + ret += "\n" + "\n".join(commandDesc) + "\n" + return ret + +class CommandOptionParser(optparse.OptionParser): + """ + I parse options as usual, but I explicitly allow setting stdout + so that our print_help() method (invoked by default with -h/--help) + defaults to writing there. + """ + _stdout = sys.stdout + + def set_stdout(self, stdout): + self._stdout = stdout + + # we're overriding the built-in file, but we need to since this is + # the signature from the base class + __pychecker__ = 'no-shadowbuiltin' + def print_help(self, file=None): + # we are overriding a parent method so we can't do anything about file + __pychecker__ = 'no-shadowbuiltin' + if file is None: + file = self._stdout + file.write(self.format_help()) + +class Command: + """ + I am a class that handles a command for a program. + Commands can be nested underneath a command for further processing. + + @cvar name: name of the command, lowercase + @cvar aliases: list of alternative lowercase names recognized + @type aliases: list of str + @cvar usage: short one-line usage string; + %command gets expanded to a sub-command or [commands] + as appropriate + @cvar summary: short one-line summary of the command + @cvar description: longer paragraph explaining the command + @cvar subCommands: dict of name -> commands below this command + @type subCommands: dict of str -> L{Command} + """ + name = None + aliases = None + usage = None + summary = None + description = None + parentCommand = None + subCommands = None + subCommandClasses = None + aliasedSubCommands = None + + def __init__(self, parentCommand=None, stdout=sys.stdout, + stderr=sys.stderr): + """ + Create a new command instance, with the given parent. + Allows for redirecting stdout and stderr if needed. + This redirection will be passed on to child commands. + """ + if not self.name: + self.name = str(self.__class__).split('.')[-1].lower() + self.stdout = stdout + self.stderr = stderr + self.parentCommand = parentCommand + + self.config = read_config(CONFIG_FILE, CMConfig) + + # create subcommands if we have them + self.subCommands = {} + self.aliasedSubCommands = {} + if self.subCommandClasses: + for C in self.subCommandClasses: + c = C(self, stdout=stdout, stderr=stderr) + self.subCommands[c.name] = c + if c.aliases: + for alias in c.aliases: + self.aliasedSubCommands[alias] = c + + # create our formatter and add subcommands if we have them + formatter = CommandHelpFormatter() + if self.subCommands: + for name, command in self.subCommands.items(): + formatter.addCommand(name, command.summary or + command.description) + + # expand %command for the bottom usage + usage = self.usage or self.name + if usage.find("%command") > -1: + usage = usage.split("%command")[0] + '[command]' + usages = [usage, ] + + # FIXME: abstract this into getUsage that takes an optional + # parentCommand on where to stop recursing up + # useful for implementing subshells + + # walk the tree up for our usage + c = self.parentCommand + while c: + usage = c.usage or c.name + if usage.find(" %command") > -1: + usage = usage.split(" %command")[0] + usages.append(usage) + c = c.parentCommand + usages.reverse() + usage = " ".join(usages) + + # create our parser + description = self.description or self.summary + self.parser = CommandOptionParser( + usage=usage, description=description, + formatter=formatter) + self.parser.set_stdout(self.stdout) + self.parser.disable_interspersed_args() + + # allow subclasses to add options + self.addOptions() + + def addOptions(self): + """ + Override me to add options to the parser. + """ + pass + + def do(self, args): + """ + Override me to implement the functionality of the command. + """ + pass + + def parse(self, argv): + """ + Parse the given arguments and act on them. + + @rtype: int + @returns: an exit code + """ + self.options, args = self.parser.parse_args(argv) + + # FIXME: make handleOptions not take options, since we store it + # in self.options now + ret = self.handleOptions(self.options) + if ret: + return ret + + # handle pleas for help + if args and args[0] == 'help': + self.debug('Asked for help, args %r' % args) + + # give help on current command if only 'help' is passed + if len(args) == 1: + self.outputHelp() + return 0 + + # complain if we were asked for help on a subcommand, but we don't + # have any + if not self.subCommands: + self.stderr.write('No subcommands defined.') + self.parser.print_usage(file=self.stderr) + self.stderr.write( + "Use --help to get more information about this command.\n") + return 1 + + # rewrite the args the other way around; + # help doap becomes doap help so it gets deferred to the doap + # command + args = [args[1], args[0]] + + + # if we have args that we need to deal with, do it now + # before we start looking for subcommands + self.handleArguments(args) + + # if we don't have subcommands, defer to our do() method + if not self.subCommands: + ret = self.do(args) + + # if everything's fine, we return 0 + if not ret: + ret = 0 + + return ret + + + # if we do have subcommands, defer to them + try: + command = args[0] + except IndexError: + self.parser.print_usage(file=self.stderr) + self.stderr.write( + "Use --help to get a list of commands.\n") + return 1 + + if command in self.subCommands.keys(): + return self.subCommands[command].parse(args[1:]) + + if self.aliasedSubCommands: + if command in self.aliasedSubCommands.keys(): + return self.aliasedSubCommands[command].parse(args[1:]) + + self.stderr.write("Unknown command '%s'.\n" % command) + return 1 + + def outputHelp(self): + """ + Output help information. + """ + self.parser.print_help(file=self.stderr) + + def outputUsage(self): + """ + Output usage information. + Used when the options or arguments were missing or wrong. + """ + self.parser.print_usage(file=self.stderr) + + def handleOptions(self, options): + """ + Handle the parsed options. + """ + pass + + def handleArguments(self, arguments): + """ + Handle the parsed arguments. + """ + pass + + def getRootCommand(self): + """ + Return the top-level command, which is typically the program. + """ + c = self + while c.parentCommand: + c = c.parentCommand + return c diff --git a/func/overlord/command.pyc b/func/overlord/command.pyc new file mode 100644 index 0000000000000000000000000000000000000000..6fa44e8912b29f88e83d2c9d157b881cf2d8c48d GIT binary patch literal 7962 zcmbtZTW=f36`mm}QlxdWe32D9&D5w8IFPYr)>;jzC*5h%5VQmde(cC^|;#nnq{t0eWZ+9|8JqP8k3o>E&= zO0!2r?Nn7PpMF=Xj*mfp{hPn>WNan+^VafCLbE|VS4o8lnU?-Wnem0sVe9BLu$U;A8wbP^%b>)5i{>FRv-fz8k?}K-n znw_Rmtbe%fdYt8poA7QJ_uosiT|dvmY@`wn`7s{*DvA&)!A4L*0cGwR8^)%vbqL8y zRe77u3j6;KMZ@6dp6SS}ChvtN2yHuy`gxQl#d$05Sm-l>WNmzCDm2xxU3FdSJ>5^hnLlHMIDt@q*Y#05h{4an2LH*;sCvO zNj<=EMpNv?8Bl?)sw(}L(wwWRj;b6E6JUS$F{;tFk8A3vMuSIP2NiWZtq$H`)18M` z)Nx(qb#+wdsH181sG`yZrAJNZyZ0HE|4cnNxar2csg4^8P6XecNp%WU-4X7hJ;2(p%Vz9PboPl#Z}rslZ0V(#{)}Cp$dY>rf$d z&Eqv@WmP(^1a^vzXs}JHJeSvg9OXF=#qamSBoG&a1@`^ShWRHQTqclo9E-i06;i0oLn`U`VJB!0aAi?9R9(N+^Z^vnS$92uZ+=_J4CWFu< z)>!QD4t&ugq{vXr*v)&=56gLkLTPsbp44i+IgF=$i>s;fysnmNs;U?DoSxSWU4`ws zzid6D&uaJevVKKxG-Yvas@0+kwOZl?t=4WD3}U{rL#q{}?N-a<35cpZo}Mf`mR4#n z=4c-EN<6e&xmu}0CVxQ63)}KaSIV0|U#Wq-$&*q=Q`MuqhzW z&rLeWOh1c~ywwA=H?J6gQ7;WlGfEz(J3!0rL*Q}8AH=!YkMf>b?Oj`4W#20@Pw~x~ zJT?1SB+Cf$7O2Xd51)0^?JNpF5AXmeIsuyWEq7#2N(okCxnf~OBRZWJ7qR=68!ksc zX_S^QnWU?>=LhNj_8^KOx&S3ln0-Xrw@|^+03RVUq%Fb#(G0EH;RJxxMFKz_f;Z4k z_Qgpyp1Y0&KWCG#pp$qYmFMC>;q7uB6viome%^`VFsA}rt^Q%V7q)l8tkoJD@{8H9 z_{sRp?_xf&W>uoY&BC<^S{{RlcZtQzD8%ROq4f+~D78n=^;TGjcQN*lMUmQz$>V(s zBd_DJT(>$^)%8*xrC3AZRc(BcAF4r)@lU8sdJ@UPP)Ddh zDeP$rw5g%OSryGmIWJxa%CazIDyPK@L0J~*k)NP)hLMJqvjtb%I!B(ymh&nQlD4%( zg2t8$^j-2T`wtjH;k*8>@f|O79@qm~%H0_JtH9{%u!Op4U25aFr;YyiJ} z8%~V!;|LAb4U8iT^ymO#K)Dh>j~<8PK{BT`S=dgyN%WgAaI@rx{SX75GmFi$iG>E% z?~dfNJ;XBu?z9?5NeDKGZ$L6&R`+cg<96{>xiVB`7XglV2pvORz$o9?!S?F#GZg)+ zqHZ64)nuTc2-#T*m+|vSeb@omU3Td7@r;W0@F^U91=6^12D4ww#5WV2xZIQjZdWGQ=GXaw2?6YoXrJ; 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zC@X)2<%x`-09Btx(I`fijyk-c;u1cl^_0yGHq5OdlS{~K5NdX3HL&&g$)i`Fyo{c_ z2tVE_uU{D1e6;!OakTY3tmvQwprb%7 literal 0 HcmV?d00001 diff --git a/func/overlord/func_command.py b/func/overlord/func_command.py new file mode 100644 index 0000000..4cec8a0 --- /dev/null +++ b/func/overlord/func_command.py @@ -0,0 +1,71 @@ +#!/usr/bin/python + +## func command line interface & client lib +## +## Copyright 2007,2008 Red Hat, Inc +## +AUTHORS +## +## This software may be freely redistributed under the terms of the GNU +## general public license. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +import sys + + +import command + +#FIXME: need a plug-in runtime module loader here +from cmd_modules import call +from cmd_modules import show +from cmd_modules import copyfile +from cmd_modules import listminions +from cmd_modules import ping + +from func.overlord import client + +class FuncCommandLine(command.Command): + name = "func" + usage = "func is the commandline interface to a func minion" + + subCommandClasses = [call.Call, show.Show, + copyfile.CopyFile, listminions.ListMinions, ping.Ping] + + def __init__(self): + + command.Command.__init__(self) + + def do(self, args): + pass + + def addOptions(self): + self.parser.add_option('', '--version', action="store_true", + help="show version information") + + # just some ugly goo to try to guess if arg[1] is hostnamegoo or + # a command name + def _isGlob(self, str): + if str.find("*") or str.find("?") or str.find("[") or str.find("]"): + return True + return False + + def handleArguments(self, args): + if len(args) < 2: + print "see the func manpage for usage" + sys.exit(411) + server_string = args[0] + # try to be clever about this for now + if client.isServer(server_string) or self._isGlob(server_string): + self.server_spec = server_string + args.pop(0) + # if it doesn't look like server, assume it + # is a sub command? that seems wrong, what about + # typo's and such? How to catch that? -akl + # maybe a class variable self.data on Command? + + def handleOptions(self, options): + if options.version: + #FIXME + print "version is NOT IMPLEMENTED YET" diff --git a/func/overlord/func_command.pyc b/func/overlord/func_command.pyc new file mode 100644 index 0000000000000000000000000000000000000000..1834e0e5735c02b73a89749e48825f6f1f9d3450 GIT binary patch literal 2451 zcmbVNTW=dx5T3KX#ZJ-$2|_PYSx|#4L=wRRLa0JOnx;sti#8Fcme6Xmd+e;T_L@B> zrIC^c6#fzaj8`7u`(`(nS7Q5&=iFz$`DV^vf3FUH{`~QND$Qqr|L@S;9}pRSMovV= z*Se9hxf%~-9H<`1NlS{hjN4+kr=|Ulj5~F|t^KZyyLG=KCp{^aWW0oaS8O18UnV%W zCx41uio6*Qc=N$<30CC);xif=sJ;!6CPi`6bI0ZHb&qS)a&b1v3tNwLIa1_y?)@6n z=cn^@x17zAdG<1&+iRa&nEL_E9YI)ls~*xfc-s=&mb@djD|t`s5>1`9ga!t*cDzh~ zsjNuWR%KPPjw<&A-f?QJac#UVQSFp^GJ!$vOI%7N%w6b@ZJ5>;7O*hP=iXM6B(_(HqamI2J&5Lf)f+TCp^IZ2?BnTGF(WG6r_grN=?<-^MfuiNMOkIqi<^VD7iSUA`w-31Itfz#vC&{PmT}Ak0p`f4 zzJv>+K7?YER8x1S%RSG@%14m(_2wEYnx)t8K>7IWY9%m+q;PxjFYMgMCk=K$TvgNvZy z?0G=KmJh{11NJc_n2ewpW%B%r%{*mA^`$|BTXTNUCMN7_Ggz08e8(G|>^T!uR?4F#r zWn=%vZ(qnSnz;E2{fO&D(T4n{GP=k34JBXAzSPL4o)O?~tRtVHj>YrJrV1 zTFxi=R7uEvRatt?)oD>4De9G76e!|D?yd2qhH1=G +## +AUTHORS +## +## This software may be freely redistributed under the terms of the GNU +## general public license. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +## + + +# this module lets you define groups of systems to work with from the +# commandline. It uses an "ini" style config parser like: + +#[groupname] +#host = foobar, baz, blip +#subgroup = blippy + + +import ConfigParser +import os + + +class Groups(object): + + def __init__(self, filename="/etc/func/groups"): + self.filename = filename + self.group_names = {} + self.groups = {} + self.__parse() + + def __parse(self): + + self.cp = ConfigParser.SafeConfigParser() + self.cp.read(self.filename) + + for section in self.cp.sections(): + self.add_group(section) + options = self.cp.options(section) + for option in options: + if option == "host": + self.add_hosts_to_group(section, self.cp.get(section, option)) + if option == "subgroup": + pass + + + def show(self): + print self.cp.sections() + print self.groups + + def add_group(self, group): + pass + + def __parse_hoststrings(self, hoststring): + hosts = [] + bits = hoststring.split(';') + for bit in bits: + blip = bit.strip().split(' ') + for host in blip: + if host not in hosts: + hosts.append(host.strip()) + + return hosts + + def add_hosts_to_group(self, group, hoststring): + hosts = self.__parse_hoststrings(hoststring) + for host in hosts: + self.add_host_to_group(group, host) + + + + def add_host_to_group(self, group, host): + if not self.groups.has_key(group): + self.groups[group] = [] + self.groups[group].append(host) + + def get_groups(self): + return self.groups + + + +def main(): + g = Groups("/tmp/testgroups") + print g.show() + + + +if __name__ == "__main__": + main() diff --git a/func/overlord/groups.pyc b/func/overlord/groups.pyc new file mode 100644 index 0000000000000000000000000000000000000000..9ed2a92d2169fc7462b4b02c2eb4b8d17ba31682 GIT binary patch literal 2550 zcmbVO-EJF26h5>5%Qi{VG$iGxl!^%CazUgDE`X>)q>_7Os`W)mq%v~6YiC=>yYWnD zD%n@`f;Zqf5Rbx}@B;9CXVyt7p%6$jCue5Pp5O1B>FyojV&7L(O^Zze_zboJUz z=*|DaPuG*}OpDXfotuwv^c|L(&!7!9)QLAR9MLdMz?K?@t;(oc5?+BB)xV_<+ng~GC$ZEo=yfkqu>HfFV-HV9)Qe@%tWln5qL0W!9?8VHH{4(_Sy#0 z-F6++FM$m6aW?56XMPzQwP3k*8g#JeZ{o^^1Xx@4r!H&L0Z%0^8xIreY-0uD?toK| 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+1,40 @@ +## +## func higher level API interface for overlord side operations +## +## Copyright 2007, Red Hat, Inc +## Michael DeHaan +## +AUTHORS +## +## This software may be freely redistributed under the terms of the GNU +## general public license. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +## + +import exceptions + +class HigherLevelObject: + + def __init__(self, client): + self.client = client_handle + + def modify(self, key, properties): + """ + Modify or create an entity named key. + properties should contain all neccessary fields. + """ + raise exceptions.NotImplementedError + + def remove(self, key): + """ + Remove an entity named key. + """ + raise exceptions.NotImplementedError + + def list(self): + """ + List all objects + """ + raise exceptions.NotImplementedError diff --git a/func/overlord/inventory.py b/func/overlord/inventory.py new file mode 100755 index 0000000..8302a1c --- /dev/null +++ b/func/overlord/inventory.py @@ -0,0 +1,191 @@ +## +## func inventory app. +## use func to collect inventory data on anything, yes, anything +## +## Copyright 2007, Red Hat, Inc +## Michael DeHaan +## +AUTHORS +## +## This software may be freely redistributed under the terms of the GNU +## general public license. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +## + +import os.path +import time +import optparse +import sys +import pprint +import xmlrpclib +from func.minion import sub_process +import func.overlord.client as func_client +import func.utils as utils + +DEFAULT_TREE = "/var/lib/func/inventory/" + + +class FuncInventory(object): + + def __init__(self): + pass + + def run(self,args): + + p = optparse.OptionParser() + p.add_option("-v", "--verbose", + dest="verbose", + action="store_true", + help="provide extra output") + p.add_option("-s", "--server-spec", + dest="server_spec", + default="*", + help="run against specific servers, default: '*'") + p.add_option("-m", "--methods", + dest="methods", + default="inventory", + help="run inventory only on certain function names, default: 'inventory'") + p.add_option("-M", "--modules", + dest="modules", + default="all", + help="run inventory only on certain module names, default: 'all'") + p.add_option("-t", "--tree", + dest="tree", + default=DEFAULT_TREE, + help="output results tree here, default: %s" % DEFAULT_TREE) + p.add_option("-n", "--no-git", + dest="nogit", + action="store_true", + help="disable useful change tracking features") + p.add_option("-x", "--xmlrpc", dest="xmlrpc", + help="output data using XMLRPC format", + action="store_true") + p.add_option("-j", "--json", dest="json", + help="output data using JSON", + action="store_true") + + + (options, args) = p.parse_args(args) + self.options = options + + filtered_module_list = options.modules.split(",") + filtered_function_list = options.methods.split(",") + + self.git_setup(options) + + # see what modules each host provides (as well as what hosts we have) + host_methods = func_client.Client(options.server_spec).system.list_methods() + + # call all remote info methods and handle them + if options.verbose: + print "- scanning ..." + # for (host, modules) in host_modules.iteritems(): + + for (host, methods) in host_methods.iteritems(): + + if utils.is_error(methods): + print "-- connection refused: %s" % host + break + + for each_method in methods: + + #if type(each_method) == int: + # if self.options.verbose: + # print "-- connection refused: %s" % host + # break + + tokens = each_method.split(".") + module_name = ".".join(tokens[:-1]) + method_name = tokens[-1] + + if not "all" in filtered_module_list and not module_name in filtered_module_list: + continue + + if not "all" in filtered_function_list and not method_name in filtered_function_list: + continue + + client = func_client.Client(host,noglobs=True) # ,noglobs=True) + results = getattr(getattr(client,module_name),method_name)() + if self.options.verbose: + print "-- %s: running: %s %s" % (host, module_name, method_name) + self.save_results(options, host, module_name, method_name, results) + self.git_update(options) + return 1 + + def format_return(self, data): + """ + The call module supports multiple output return types, the default is pprint. + """ + + # special case... if the return is a string, just print it straight + if type(data) == str: + return data + + if self.options.xmlrpc: + return xmlrpclib.dumps((data,"")) + + if self.options.json: + try: + import simplejson + return simplejson.dumps(data) + except ImportError: + print "ERROR: json support not found, install python-simplejson" + sys.exit(1) + + return pprint.pformat(data) + + # FUTURE: skvidal points out that guest symlinking would be an interesting feature + + def save_results(self, options, host_name, module_name, method_name, results): + dirname = os.path.join(options.tree, host_name, module_name) + if not os.path.exists(dirname): + os.makedirs(dirname) + filename = os.path.join(dirname, method_name) + results_file = open(filename,"w+") + data = self.format_return(results) + results_file.write(data) + results_file.close() + + def git_setup(self,options): + if options.nogit: + return + if not os.path.exists("/usr/bin/git"): + print "git-core is not installed, so no change tracking is available." + print "use --no-git or, better, just install it." + sys.exit(411) + + if not os.path.exists(options.tree): + os.makedirs(options.tree) + dirname = os.path.join(options.tree, ".git") + if not os.path.exists(dirname): + if options.verbose: + print "- initializing git repo: %s" % options.tree + cwd = os.getcwd() + os.chdir(options.tree) + rc1 = sub_process.call(["/usr/bin/git", "init"], shell=False) + # FIXME: check rc's + os.chdir(cwd) + else: + if options.verbose: + print "- git already initialized: %s" % options.tree + + def git_update(self,options): + if options.nogit: + return + else: + if options.verbose: + print "- updating git" + mytime = time.asctime() + cwd = os.getcwd() + os.chdir(options.tree) + rc1 = sub_process.call(["/usr/bin/git", "add", "*" ], shell=False) + rc2 = sub_process.call(["/usr/bin/git", "commit", "-a", "-m", "Func-inventory update: %s" % mytime], shell=False) + # FIXME: check rc's + os.chdir(cwd) + + +if __name__ == "__main__": + inv = FuncInventory() + inv.run(sys.argv) diff --git a/func/overlord/jobthing.pyc b/func/overlord/jobthing.pyc new file mode 100644 index 0000000000000000000000000000000000000000..cba36cb43179d39e2a3bbb7378b55c065b11e9db GIT binary patch literal 2762 zcmbtWZEqVz5S~3d@k^4Xd8--;i7hJNLe&TmLaHi6nxtuHvIQ&UfZ^ zoi>ugm-H)tflvGcehwe_5BvdmX3lO4stOghcW!oXc6Mgxd3OElA4|>eHh$WVX!=>k z^D8v_J4B41q7$O-3tdrH&Bi_IdNaL3-O5a_QnxzO=cqe3)90x>KhtZ}ti12E`*b< 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k8RqdgHD7WxmXqOf{O#+_D}23qZ?V#-T)p1dXjGQeU+UE)!2kdN literal 0 HcmV?d00001 diff --git a/func/overlord/modules/netapp.py b/func/overlord/modules/netapp.py new file mode 100644 index 0000000..987901e --- /dev/null +++ b/func/overlord/modules/netapp.py @@ -0,0 +1,82 @@ +## +## Overlord library to interface with minion-side netapp operations +## +## Most of this is just wrappers to create some cleaner, earier to use +## interfaces. Also allows users to get function signatures and use +## nice things like kwargs client side, for those of us who can't live +## without ipython introspection. +## +## Copyright 2008, Red Hat, Inc +## John Eckersberg +## +## This software may be freely redistributed under the terms of the GNU +## general public license. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +## + +from func.overlord.client import Client + +class RemoteError(Exception): pass + +def _(res): + if type(res) == type([]) and res[0] == 'REMOTE_ERROR': + raise RemoteError, res[2] + else: + return res + +class Filer(Client): + def __init__(self, filer, admin_host): + Client.__init__(self, admin_host) + self.filer = filer + self.admin_host = admin_host + + def create_volume(self, vol, aggr, size): + return _(self.netapp.vol.create(self.filer, vol, aggr, size)[self.admin_host]) + + def destroy_volume(self, vol): + # offline it first + try: + self.netapp.vol.offline(self.filer, vol) + except: + pass + return _(self.netapp.vol.destroy(self.filer, vol)[self.admin_host]) + + def offline_volume(self, vol): + return _(self.netapp.vol.offline(self.filer, vol)[self.admin_host]) + + def online_volume(self, vol): + return _(self.netapp.vol.online(self.filer, vol)[self.admin_host]) + + def get_volume_size(self, vol): + return _(self.netapp.vol.size(self.filer, vol)[self.admin_host]) + + def resize_volume(self, vol, delta): + return _(self.netapp.vol.size(self.filer, vol, delta)[self.admin_host]) + + def create_snapshot(self, vol, snap): + return _(self.netapp.snap.create(self.filer, vol, snap)[self.admin_host]) + + def delete_snapshot(self, vol, snap): + return _(self.netapp.snap.delete(self.filer, vol, snap)[self.admin_host]) + + def create_clone_volume(self, vol, parent, snap): + return _(self.netapp.vol.clone.create(self.filer, vol, parent, snap)[self.admin_host]) + + def split_clone_volume(self, vol): + return _(self.netapp.vol.clone.split(self.filer, vol)[self.admin_host]) + + def list_volumes(self): + vols = _(self.netapp.vol.status(self.filer)) + return_list = [] + for vol in vols: + return_list.append(vol['name']) + return return_list + + def volume_details(self, vol=None): + if vol: + return _(self.netapp.vol.status(self.filer, vol)[self.admin_host]) + else: + return _(self.netapp.vol.status(self.filer)[self.admin_host]) diff --git a/func/overlord/sslclient.py b/func/overlord/sslclient.py new file mode 100755 index 0000000..3861bb8 --- /dev/null +++ b/func/overlord/sslclient.py @@ -0,0 +1,50 @@ +import sys +import xmlrpclib +import urllib + +from func import SSLCommon + + +class SSL_Transport(xmlrpclib.Transport): + + user_agent = "pyOpenSSL_XMLRPC/%s - %s" % ('0.1', xmlrpclib.Transport.user_agent) + + def __init__(self, ssl_context, timeout=None, use_datetime=0): + if sys.version_info[:3] >= (2, 5, 0): + xmlrpclib.Transport.__init__(self, use_datetime) + self.ssl_ctx=ssl_context + self._timeout = timeout + + def make_connection(self, host): + # Handle username and password. + try: + host, extra_headers, x509 = self.get_host_info(host) + except AttributeError: + # Yay for Python 2.2 + pass + _host, _port = urllib.splitport(host) + return SSLCommon.HTTPS(_host, int(_port), ssl_context=self.ssl_ctx, timeout=self._timeout) + + +class SSLXMLRPCServerProxy(xmlrpclib.ServerProxy): + def __init__(self, uri, pkey_file, cert_file, ca_cert_file, timeout=None): + self.ctx = SSLCommon.CreateSSLContext(pkey_file, cert_file, ca_cert_file) + xmlrpclib.ServerProxy.__init__(self, uri, SSL_Transport(ssl_context=self.ctx, timeout=timeout)) + + +class FuncServer(SSLXMLRPCServerProxy): + def __init__(self, uri, pem=None, crt=None, ca=None): + self.pem = pem + self.crt = crt + self.ca = ca + + SSLXMLRPCServerProxy.__init__(self, uri, + self.pem, + self.crt, + self.ca) + + +if __name__ == "__main__": + s = SSLXMLRPCServerProxy('https://localhost:51234/', '/etc/pki/func/slave.pem', '/etc/pki/func/slave.cert', '/etc/pki/func/ca/funcmaster.crt') + f = s.ping(1, 2) + print f diff --git a/func/overlord/sslclient.pyc b/func/overlord/sslclient.pyc new file mode 100644 index 0000000000000000000000000000000000000000..fdc21f2259abea9a434cf5bff9dbfe37c52d8bb8 GIT binary patch literal 2449 zcmb_dTW{P%6h33`CD*1Zy(B0=5ES->Yzh>K3L#2>_MwExTZs}OS*|^sIPuym&uo=Q z$y4&mui=?L#UFt0JKkInl~N?UJI7~c&dfRII~V`{=i*#<`L`#jOrKf2zrk>SfMoa^ zIS|>o;En8<^YuV>0_6ia2&HJrPD@M{iZznAWeB;JoQa%@{Ib)LtgRbe-RN9w%t+Q1 zJEN;J7pt>k=Omkz{XnV>G1$*ApOVl4E*9vL!i%EsJ6o<;m01zz8FQ z-c5Lr|Al9(XTW;8HW)nHtVW}%^oz|beqJY~8&|czfFQ)qw;1jV5DVwe9kzkwq2w(Y z267j^!lMiTgmMP$a8SM7=}I){b$EUmWPJ3~*p^TmzxeT4w7uEC@76w9yYC#eY^*=X z@shL!!qLXq#Bh&6Jj{n`BWqB!-7|UKRFUx7MXjZnz`o7w~>%YnNALoR`B&(K{R!^*Al^mpZ#Z&d)$NhFI?7*z+3a zia7O$&4$lMwwm}J9rPs57DGROE{0gxL$AlClB#^-Y@8+Da;*nhQR3bPH=LAdzk+o| zRcC$Zf=RaY>*J${xYKk;lf>LM_spzG={$GlFcjVj%+V^L0vrJE)X1-)oESL?e+z8s{j@jzbvT4ec$;cvQ2ud7}s%%nV8qwB>Zs`URp^lSX1XwNI zs!FS2j#yro_9=H=daw^ry(6TZ;BK(g@wdUEKAZ9!*cy4YT~~)kDc1F2_Gmw#q;2|v zwuCb@!;sZZiBzuy!}~SKz5~P| z_RWl8Oq2Lxp~+z^zIk1~3t`9DidjY)Xp~nli&)dqDhVw1oxzUvQ0S%&Y zI>nAY)TTkCvdbW9wF2a`@M?0y%9@ z<4D-Idc0Umb!A{B>j%`KI3-JpU zOb5UJEduv(^9R&1jQ|S()tuyI9P2l5&-<}^)bAHnniOn8j~+hw^s~?V?j9uj)~EgP zLEhJ{?uz7e2UzT+> 0: + sys.exit(0) + os.setsid() + os.umask(0) + pid = os.fork() + + if pid > 0: + if pidfile is not None: + open(pidfile, "w").write(str(pid)) + sys.exit(0) + +def nice_exception(etype, evalue, etb): + etype = str(etype) + lefti = etype.index("'") + 1 + righti = etype.rindex("'") + nicetype = etype[lefti:righti] + nicestack = string.join(traceback.format_list(traceback.extract_tb(etb))) + return [ REMOTE_ERROR, nicetype, str(evalue), nicestack ] + +def get_hostname(): + fqdn = socket.getfqdn() + host = socket.gethostname() + if fqdn.find(host) != -1: + return fqdn + else: + return host + + +def is_error(result): + if type(result) != list: + return False + if len(result) == 0: + return False + if result[0] == REMOTE_ERROR: + return True + return False + + + diff --git a/init-scripts/certmaster b/init-scripts/certmaster new file mode 100755 index 0000000..819ba0d --- /dev/null +++ b/init-scripts/certmaster @@ -0,0 +1,112 @@ +#!/bin/sh +# +# certmaster certmaster +################################### + +# LSB header + +### BEGIN INIT INFO +# Provides: certmaster +# Required-Start: network +# Default-Start: 3 4 5 +# Default-Stop: 0 1 2 6 +# Short-Description: certificate master for Fedora Unified Network Control 'master server only' +# Description: certificate master to sign/manage ca/cert infrastructure for func +### END INIT INFO + +# chkconfig header + +# chkconfig: - 98 99 +# description: certificate master to sign/manage ca/cert infrastructure for func +# +# processname: /usr/bin/certmaster + +# Sanity checks. +[ -x /usr/bin/certmaster ] || exit 0 + +SERVICE=certmaster +PROCESS=certmaster +DAEMON=/usr/bin/certmaster +CONFIG_ARGS="--daemon" + +CAStatus() +{ + ps wt? | grep "$DAEMON" 2>&1 > /dev/null + if [ "x$?" = "x0" ]; then + RVAL=0 + echo "certmaster is running" + else + RVAL=3 + echo "certmaster is not running" + fi +} + +if [ -f /lib/lsb/init-functions ]; then + . /lib/lsb/init-functions + alias START_DAEMON=start_daemon + alias STATUS=CAStatus + alias LOG_SUCCESS=log_success_msg + alias LOG_FAILURE=log_failure_msg + alias LOG_WARNING=log_warning_msg +elif [ -f /etc/init.d/functions ]; then + . /etc/init.d/functions + alias START_DAEMON=daemon + alias STATUS=status + alias LOG_SUCCESS=success + alias LOG_FAILURE=failure + alias LOG_WARNING=passed +else + echo "Error: your platform is not supported by $0" > /dev/stderr + exit 1 +fi + +RETVAL=0 + +start() { + echo -n $"Starting certmaster daemon: " + START_DAEMON $PROCESS $CONFIG_ARGS + RETVAL=$? + echo + [ $RETVAL -eq 0 ] && touch /var/lock/subsys/$SERVICE + return $RETVAL +} + +stop() { + echo -n $"Stopping certmaster daemon: " + killproc $PROCESS + RETVAL=$? + echo + if [ $RETVAL -eq 0 ]; then + rm -f /var/lock/subsys/$SERVICE + rm -f /var/run/$SERVICE.pid + fi +} + +restart() { + stop + start +} + +# See how we were called. +case "$1" in + start|stop|restart) + $1 + ;; + status) + STATUS $PROCESS + RETVAL=$? + ;; + condrestart) + [ -f /var/lock/subsys/$SERVICE ] && restart || : + ;; + reload) + echo "can't reload configuration, you have to restart it" + RETVAL=$? + ;; + *) + echo $"Usage: $0 {start|stop|status|restart|condrestart|reload}" + exit 1 + ;; +esac +exit $RETVAL + diff --git a/init-scripts/funcd b/init-scripts/funcd new file mode 100755 index 0000000..63b98a2 --- /dev/null +++ b/init-scripts/funcd @@ -0,0 +1,115 @@ +#!/bin/sh +# +# funcd Fedora Unified Network Control +################################### + +# LSB header + +### BEGIN INIT INFO +# Provides: funcd +# Required-Start: network +# Required-Stop: +# Default-Start: 3 4 5 +# Default-Stop: 0 1 2 6 +# Short-Description: Fedora Unified Network Control +# Description: Crazy simple, secure remote management. +### END INIT INFO + +# chkconfig header + +# chkconfig: - 99 99 +# description: Crazy simple, secure remote management. +# +# processname: /usr/bin/funcd + +# Sanity checks. +[ -x /usr/bin/funcd ] || exit 0 + +SERVICE=funcd +PROCESS=funcd +DAEMON=/usr/bin/funcd +CONFIG_ARGS="--daemon" + + +FuncStatus() +{ + ps wt? | grep "$DAEMON" 2>&1 > /dev/null + if [ "x$?" = "x0" ]; then + RVAL=0 + echo "$DAEMON is running" + else + RVAL=3 + echo "$DAEMON is not running" + fi +} + +if [ -f /lib/lsb/init-functions ]; then + . /lib/lsb/init-functions + alias START_DAEMON=start_daemon + alias STATUS=FuncStatus + alias LOG_SUCCESS=log_success_msg + alias LOG_FAILURE=log_failure_msg + alias LOG_WARNING=log_warning_msg +elif [ -f /etc/init.d/functions ]; then + . /etc/init.d/functions + alias START_DAEMON=daemon + alias STATUS=status + alias LOG_SUCCESS=success + alias LOG_FAILURE=failure + alias LOG_WARNING=passed +else + echo "Error: your platform is not supported by $0" > /dev/stderr + exit 1 +fi + + +RETVAL=0 + +start() { + echo -n $"Starting func daemon: " + START_DAEMON $PROCESS $CONFIG_ARGS + RETVAL=$? + echo + [ $RETVAL -eq 0 ] && touch /var/lock/subsys/$SERVICE + return $RETVAL +} + +stop() { + echo -n $"Stopping func daemon: " + killproc $PROCESS + RETVAL=$? + echo + if [ $RETVAL -eq 0 ]; then + rm -f /var/lock/subsys/$SERVICE + rm -f /var/run/$SERVICE.pid + fi +} + +restart() { + stop + start +} + +# See how we were called. +case "$1" in + start|stop|restart) + $1 + ;; + status) + STATUS $PROCESS + RETVAL=$? + ;; + condrestart) + [ -f /var/lock/subsys/$SERVICE ] && restart || : + ;; + reload) + echo "can't reload configuration, you have to restart it" + RETVAL=$? + ;; + *) + echo $"Usage: $0 {start|stop|status|restart|condrestart|reload}" + exit 1 + ;; +esac +exit $RETVAL + diff --git a/nothing b/nothing deleted file mode 100644 index b33c560..0000000 --- a/nothing +++ /dev/null @@ -1 +0,0 @@ -test test diff --git a/scripts/Makefile b/scripts/Makefile new file mode 100755 index 0000000..a4cc7e1 --- /dev/null +++ b/scripts/Makefile @@ -0,0 +1,20 @@ + + +PYFILES = $(wildcard *.py) + +PYCHECKER = /usr/bin/pychecker +PYFLAKES = /usr/bin/pyflakes + +clean:: + @rm -fv *.pyc *~ .*~ *.pyo + @find . -name .\#\* -exec rm -fv {} \; + @rm -fv *.rpm + + +pychecker:: + @$(PYCHECKER) $(PYFILES) || exit 0 + +pyflakes:: +ifneq ($(PYFILES)x, x) + @$(PYFLAKES) $(PYFILES) || exit 0 +endif diff --git a/scripts/certmaster b/scripts/certmaster new file mode 100755 index 0000000..d5f677d --- /dev/null +++ b/scripts/certmaster @@ -0,0 +1,11 @@ +#!/usr/bin/python + +from func import certmaster + +import sys + +if __name__ == "__main__": + certmaster.main(sys.argv) + + + diff --git a/scripts/certmaster-ca b/scripts/certmaster-ca new file mode 100755 index 0000000..b3e844a --- /dev/null +++ b/scripts/certmaster-ca @@ -0,0 +1,92 @@ +#!/usr/bin/python -tt +# sign/list keys +# --sign hostname hostname hostname +# --list # lists all csrs needing to be signed +# --list-all ? +# --clean? not sure what it will do + +import sys +import glob +import os + +import func +import func.certs +import func.certmaster + + + +from optparse import OptionParser + +def errorprint(stuff): + print >> sys.stderr, stuff + + +def parseargs(args): + usage = 'certmaster-ca