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'''This is the bcfg2 support for debian'''
__revision__ = '$Revision$'
from glob import glob
from os import environ, stat
from re import compile as regcompile
import apt_pkg
from Bcfg2.Client.Toolset import Toolset
class ToolsetImpl(Toolset):
'''The Debian toolset implements package and service operations and inherits
the rest from Toolset.Toolset'''
__name__ = 'Debian'
__important__ = ["/etc/apt/sources.list", "/var/cache/debconf/config.dat", \
"/var/cache/debconf/templates.dat", '/etc/passwd', '/etc/group', \
'/etc/apt/apt.conf']
pkgtool = {'deb':('DEBIAN_FRONTEND=noninteractive apt-get --reinstall -q=2 --force-yes -y install %s',
('%s=%s', ['name', 'version']))}
svcre = regcompile("/etc/.*/[SK]\d\d(?P<name>\S+)")
def __init__(self, cfg, setup):
Toolset.__init__(self, cfg, setup)
self.cfg = cfg
self.CondPrint('debug', 'Configuring Debian toolset')
environ["DEBIAN_FRONTEND"] = 'noninteractive'
self.saferun("dpkg --force-confold --configure -a")
if not self.setup['build']:
self.saferun("/usr/sbin/dpkg-reconfigure -f noninteractive debconf < /dev/null")
self.saferun("apt-get clean")
self.saferun("apt-get -q=2 -y update")
self.installed = {}
self.pkgwork = {'add':[], 'update':[], 'remove':[]}
for pkg in [cpkg for cpkg in self.cfg.findall(".//Package") if not cpkg.attrib.has_key('type')]:
pkg.set('type', 'deb')
self.Refresh()
self.CondPrint('debug', 'Done configuring Debian toolset')
def Refresh(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
# implement entry (Verify|Install) ops
def VerifyService(self, entry):
'''Verify Service status for entry'''
rawfiles = glob("/etc/rc*.d/*%s" % (entry.get('name')))
files = [filename for filename in rawfiles if self.svcre.match(filename).group('name') == entry.get('name')]
if entry.get('status') == 'off':
if files:
return False
else:
return True
else:
if files:
return True
else:
return False
def InstallService(self, entry):
'''Install Service for entry'''
cmdrc = 1
self.CondPrint('verbose', "Installing Service %s" % (entry.get('name')))
try:
stat('/etc/init.d/%s' % entry.get('name'))
except OSError:
self.CondPrint('debug', "Init script for service %s does not exist" % entry.get('name'))
return False
if entry.attrib['status'] == 'off':
if self.setup['dryrun']:
print "Disabling service %s" % (entry.get('name'))
else:
self.saferun("/etc/init.d/%s stop" % (entry.get('name')))
cmdrc = self.saferun("/usr/sbin/update-rc.d -f %s remove" % entry.get('name'))[0]
else:
if self.setup['dryrun']:
print "Enabling service %s" % (entry.attrib['name'])
else:
cmdrc = self.saferun("/usr/sbin/update-rc.d %s defaults" % (entry.attrib['name']))[0]
if cmdrc:
return False
return True
def VerifyPackage(self, entry, modlist):
'''Verify package for entry'''
if not entry.attrib.has_key('version'):
self.CondPrint('verbose', "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']:
output = self.saferun("/usr/bin/debsums -s %s" % entry.get('name'))[1]
if [filename for filename in output if filename not in modlist]:
return False
return True
return False
def Inventory(self):
'''Do standard inventory plus debian extra service check'''
Toolset.Inventory(self)
allsrv = []
[allsrv.append(self.svcre.match(fname).group('name')) for fname in
glob("/etc/rc[12345].d/S*") if self.svcre.match(fname).group('name') not in allsrv]
self.CondDisplayList('debug', "Found active services:", allsrv)
csrv = self.cfg.findall(".//Service")
[allsrv.remove(svc.get('name')) for svc in csrv if
svc.get('status') == 'on' and svc.get('name') in allsrv]
self.extra_services = allsrv
def HandleExtra(self):
'''Deal with extra configuration detected'''
if self.setup['dryrun']:
return
if len(self.pkgwork) > 0:
if self.setup['remove'] in ['all', 'packages']:
self.CondDisplayList('verbose', "Removing packages", self.pkgwork['remove'])
if not self.saferun("apt-get remove %s" % " ".join(self.pkgwork['remove']))[0]:
self.pkgwork['remove'] = []
else:
self.CondDisplayList('verbose', "Need to remove packages:", self.pkgwork['remove'])
if len(self.extra_services) > 0:
if self.setup['remove'] in ['all', 'services']:
self.CondDisplayList('verbose', "Removing services:", self.extra_services)
[self.extra_services.remove(serv) for serv in self.extra_services if
not self.saferun("rm -f /etc/rc*.d/S??%s" % serv)[0]]
else:
self.CondDisplayList('verbose', "Need to remove services:", self.extra_services)
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