preliminary apt module
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152
apt
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apt
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#!/usr/bin/python -tt
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# (c) 2012, Flowroute LLC
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# Written by Matthew Williams <matthew@flowroute.com>
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# Based on yum module written by Seth Vidal <skvidal at fedoraproject.org>
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#
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# This module is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This software is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this software. If not, see <http://www.gnu.org/licenses/>.
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#
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import os
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import sys
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import apt
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import shlex
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import subprocess
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try:
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import json
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except ImportError:
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import simplejson as json
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def run_apt(command):
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try:
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cmd = subprocess.Popen(command, shell=True,
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stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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out, err = cmd.communicate()
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except (OSError, IOError), e:
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rc = 1
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err = str(e)
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out = ''
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except:
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rc = 1
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err = traceback.format_exc()
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out = ''
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if out is None:
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out = ''
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if err is None:
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err = ''
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else:
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rc = cmd.returncode
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return rc, out, err
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def ensure(state, pkgspec):
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cache = apt.Cache()
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cache.update()
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cache.open(None)
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try:
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pkg = cache[pkgspec]
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except:
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msg = "No package matching '%s' is available" % pkgsepc
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return {'changed': False, 'failed': True, 'msg': msg}
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if state == 'installed':
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#check if package is installed
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if pkg.is_installed:
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return {'changed': False, 'failed': False}
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cmd = "apt-get -q -y install '%s'" % pkgspec
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rc, out, err = run_apt(cmd)
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#pkg.mark_install()
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#cache.commit(apt.progress.base.OpProgress())
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elif state == 'removed':
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#check if package is installed
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if not pkg.is_installed:
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return {'changed': False, 'failed': False}
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cmd = "apt-get -q -y remove '%s'" % pkgspec
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rc, out, err = run_apt(cmd)
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#pkg.mark_delete()
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#cache.commit(apt.progress.base.OpProgress())
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else:
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return {'failed': True, 'msg': "Unknown state: %s" % state }
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return {'changed': True, 'failed': False}
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def update(args):
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#generic update routine
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pass
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def remove_only(pkgspec):
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# remove this pkg and only this pkg - fail if it will require more to remove
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pass
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def main():
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# state=installed pkg=pkgspec
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# state=removed pkg=pkgspec
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if len(sys.argv) == 1:
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msg = "the apt module requires arguments (-a)"
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return 1, msg
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argfile = sys.argv[1]
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if not os.path.exists(argfile):
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msg = "Argument file not found"
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return 1, msg
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args = open(argfile, 'r').read()
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items = shlex.split(args)
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if not len(items):
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msg = "the apt module requires arguments (-a)"
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return 1, msg
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# if nothing else changes - it fails
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results = { 'changed':False,
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'failed':True,
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'results':'',
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'errors':'',
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'msg':"; ".join(items) }
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params = {}
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for x in items:
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try:
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(k, v) = x.split("=", 1)
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except ValueError:
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msg = "invalid arguments: %s" % args
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return 1, msg
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params[k] = v
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if 'state' in params:
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if 'pkg' not in params:
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results['msg'] = "No pkg specified"
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else:
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state = params['state']
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pkgspec = params['pkg']
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devnull = open(os.devnull, 'w')
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results = ensure(state, pkgspec)
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print json.dumps(results)
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return 0, None
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if __name__ == "__main__":
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rc, msg = main()
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if rc != 0: # something went wrong emit the msg
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print json.dumps({
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"failed" : bool(rc),
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"msg" : msg
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})
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sys.exit(rc)
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