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'''This is the bcfg2 support for apt-get'''
__revision__ = '$Revision$'
import apt_pkg
import os, re
import Bcfg2.Client.Tools
class APT(Bcfg2.Client.Tools.PkgTool):
'''The Debian toolset implements package and service operations and inherits
the rest from Toolset.Toolset'''
__name__ = 'APT'
__execs__ = ['/usr/bin/debsums', '/usr/bin/apt-get', '/usr/bin/dpkg']
__important__ = ["/etc/apt/sources.list", "/var/cache/debconf/config.dat", \
"/var/cache/debconf/templates.dat", '/etc/passwd', '/etc/group', \
'/etc/apt/apt.conf', '/etc/dpkg/dpkg.cfg']
__handles__ = [('Package', 'deb')]
__req__ = {'Package': ['name', 'version']}
pkgtype = 'deb'
pkgtool = ('apt-get --reinstall -q=2 --force-yes -y install %s',
('%s=%s', ['name', 'version']))
svcre = re.compile("/etc/.*/[SK]\d\d(?P<name>\S+)")
def __init__(self, logger, cfg, setup, states):
Bcfg2.Client.Tools.PkgTool.__init__(self, logger, cfg, setup, states)
self.cfg = cfg
os.environ["DEBIAN_FRONTEND"] = 'noninteractive'
if not self.setup['dryrun']:
if self.setup['kevlar']:
self.cmd.run("dpkg --force-confold --configure --pending")
self.cmd.run("apt-get clean")
self.cmd.run("apt-get -q=2 -y update")
self.installed = {}
self.RefreshPackages()
def RefreshPackages(self):
'''Refresh memory hashes of packages'''
apt_pkg.init()
cache = apt_pkg.GetCache()
self.installed = {}
for pkg in cache.Packages:
if pkg.CurrentVer:
self.installed[pkg.Name] = pkg.CurrentVer.VerStr
self.extra = self.FindExtraPackages()
def VerifyPackage(self, entry, modlist):
'''Verify package for entry'''
if not entry.attrib.has_key('version'):
self.logger.info("Cannot verify unversioned package %s" %
(entry.attrib['name']))
return False
if self.installed.has_key(entry.attrib['name']):
if self.installed[entry.attrib['name']] == entry.attrib['version']:
if not self.setup['quick'] and entry.get('verify', 'true') == 'true':
output = self.cmd.run("/usr/bin/debsums -as %s" % entry.get('name'))[1]
if len(output) == 1 and "no md5sums for" in output[0]:
self.logger.info("Package %s has no md5sums. Cannot verify" % \
entry.get('name'))
return False
files = []
for item in output:
if "checksum mismatch" in item:
files.append(item.split()[-1])
elif "can't open" in item:
files.append(item.split()[5])
else:
self.logger.error("Got Unsupported pattern %s from debsums" \
% item)
files.append(item)
bad = [filename for filename in files if filename not in modlist]
if bad:
self.logger.info("Package %s failed validation. Bad files are:" % \
entry.get('name'))
self.logger.info(bad)
return False
return True
else:
entry.set('current_version', self.installed[entry.get('name')])
return False
self.logger.info("Package %s not installed" % (entry.get('name')))
entry.set('current_exists', 'false')
return False
def RemovePackages(self, packages):
'''Deal with extra configuration detected'''
pkgnames = " ".join([pkg.get('name') for pkg in packages])
if len(packages) > 0:
self.logger.info('Removing packages:')
self.logger.info(pkgnames)
if self.cmd.run("apt-get remove -y --force-yes %s" % pkgnames)[0] == 0:
self.modified += packages
self.RefreshPackages()
self.extra = self.FindExtraPackages()
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