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# This is the bcfg2 support for debian
# $Id $
from glob import glob
from os import environ, stat, system
from popen2 import Popen4
from string import split
from sys import argv
import apt_pkg
from Toolset import Toolset
def Detect():
try:
stat('/etc/debian_version')
return True
except OSError:
return False
class Debian(Toolset):
__important__ = ["/etc/apt/sources.list", "/var/cache/debconf/config.dat", \
"/var/cache/debconf/templates.dat"]
def __init__(self, cfg, setup):
Toolset.__init__(self, cfg, setup)
#system("dpkg --configure -a")
if not self.setup['build']:
system("dpkg-reconfigure -f noninteractive debconf")
system("apt-get -q=2 -y update")
environ["DEBIAN_FRONTEND"]='noninteractive'
self.Refresh()
def Refresh(self):
apt_pkg.init()
self.cache = apt_pkg.GetCache()
self.installed = {}
for pkg in self.cache.Packages:
if pkg.CurrentVer:
self.installed[pkg.Name] = pkg.CurrentVer.VerStr
def VerifyService(self, entry):
if entry.attrib['status'] == 'off':
cmd = Popen4("/usr/sbin/update-rc.d -n -f %s remove"%(entry.attrib['name']))
num = 1
else:
cmd = Popen4("/usr/sbin/update-rc.d -n -f %s remove"%(entry.attrib['name']))
num = 2
cstat = cmd.poll()
output = ''
while cstat == -1:
output += cmd.fromchild.read()
cstat = cmd.poll() >> 8
if len(filter(lambda x:x, split(output, '\n'))) > num:
return False
return True
def InstallService(self, entry):
if entry.attrib['status'] == 'off':
if self.setup['dryrun']:
print "Disabling service %s"%(entry.attrib['name'])
rc = 1
else:
rc = system("update-rc.d -f %s remove"%entry.attrib['name'])
else:
if self.setup['dryrun']:
print "Enabling service %s"%(entry.attrib['name'])
rc = 1
else:
rc = system("update-rc.d %s defaults"%(entry.attrib['name']))
if rc:
return False
return True
def VerifyPackage(self, entry, modlist=[]):
if self.installed.has_key(entry.attrib['name']):
if self.installed[entry.attrib['name']] == entry.attrib['version']:
if not self.setup['quick']:
cmd = Popen4("debsums -s %s"%(entry.attrib['name']))
cstat = cmd.poll()
output = cmd.fromchild.read()
while cstat == -1:
output += cmd.fromchild.read()
cstat = cmd.poll()
output = filter(lambda x:x, split(output, '\n'))
if [x for x in output if x not in modlist]:
return False
return True
return False
def InstallPackage(self, entry):
if not entry.attrib.has_key('version'):
print "Package entry for %s is malformed"%(entry.attrib['name'])
return False
if self.setup['dryrun'] or self.setup['verbose']:
print "Installing package %s %s"%(entry.attrib['name'], entry.attrib['version'])
if self.setup['dryrun']:
return False
else:
# queue package for bulk installation
self.pkgtodo.append(entry)
return False
def Commit(self, entrystate):
cmd = "apt-get --reinstall -q=2 -y install %s"
# try single large install
rc = system(join(map(lambda x:"%s-%s"%(x.attrib['name'], x.attrib['version']), self.pkgtodo)))
if rc == 0:
# set installed to true for pkgtodo
for pkg in self.pkgtodo:
entrystate[x]=True
self.pkgtodo = []
else:
# do single pass installs
system("dpkg --configure --pending")
self.Refresh()
for pkg in self.pkgtodo:
if self.VerifyPackage(pkg):
entrystate[pkg] = True
self.pkgtodo.remove(pkg)
oldlen = len(self.pkgtodo) + 1
while (len(self.pkgtodo) < oldlen):
oldlen = len(self.pkgtodo)
for pkg in self.pkgtodo:
rc = system(cmd%(pkg.attrib['name'], pkg.attrib['user']))
if rc == 0:
entrystate[pkg] = True
self.pkgtodo.remove(pkg)
else:
print "Failed to install package %s"%(pkg.attrib['name'])
def GetInstalledConfigs(self):
# returns a list of installed config files
ret = []
for a in map(lambda x:split(open(x).read(),"\n"),glob("/var/lib/dpkg/info/*.conffiles")):
ret += a
return ret
def FindConfigs(self):
e = []
for (pkg, vers) in self.installed.iteritems():
e.append(Element('Package', name=pkg, version=vers))
# need to add config file two way later
return e
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