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'''Debian Init Support for Bcfg2'''
__revision__ = '$Revision$'
import glob, os, re
import Bcfg2.Client.Tools
class DebInit(Bcfg2.Client.Tools.SvcTool):
'''Debian Service Support for Bcfg2'''
__name__ = 'DebInit'
__execs__ = ['/usr/sbin/update-rc.d']
__handles__ = [('Service', 'deb')]
__req__ = {'Service': ['name', 'status']}
__svcrestart__ = 'restart'
svcre = re.compile("/etc/.*/[SK]\d\d(?P<name>\S+)")
# implement entry (Verify|Install) ops
def VerifyService(self, entry, _):
'''Verify Service status for entry'''
rawfiles = glob.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:
entry.set('current_status', 'on')
return False
else:
return True
else:
if files:
return True
else:
entry.set('current_status', 'off')
return False
def InstallService(self, entry):
'''Install Service for entry'''
self.logger.info("Installing Service %s" % (entry.get('name')))
try:
os.stat('/etc/init.d/%s' % entry.get('name'))
except OSError:
self.logger.debug("Init script for service %s does not exist" % entry.get('name'))
return False
if entry.get('status') == 'off':
self.cmd.run("/usr/sbin/invoke-rc.d %s stop" % (entry.get('name')))
cmdrc = self.cmd.run("/usr/sbin/update-rc.d -f %s remove" % entry.get('name'))[0]
else:
if entry.get('start', False):
cmd = "/usr/sbin/update-rc.d %%s start %s 2 3 4 5 . stop %s 0 1 6"
cmd = cmd % (entry.get('start'), entry.get('stop', '20'))
else:
cmd = "/usr/sbin/update-rc.d %s defaults"
cmdrc = self.cmd.run(cmd % (entry.get('name')))[0]
return cmdrc == 0
def FindExtra(self):
'''Find Extra Debian Service Entries'''
specified = [entry.get('name') for entry in self.getSupportedEntries()]
extra = []
for name in [self.svcre.match(fname).group('name') for fname in
glob.glob("/etc/rc[12345].d/S*") \
if self.svcre.match(fname).group('name') not in specified]:
if name not in extra:
extra.append(name)
return [Bcfg2.Client.XML.Element('Service', name=name, type='deb') for name \
in extra]
def Remove(self, _):
'''Remove extra service entries'''
# Extra service removal is nonsensical
# Extra services need to be reflected in the config
return
def BundleUpdated(self, bundle):
'''The Bundle has been updated'''
for entry in bundle:
if self.handlesEntry(entry):
command = "/usr/sbin/invoke-rc.d %s" % entry.get('name')
if entry.get('status') == 'on' and not self.setup['build']:
self.logger.debug('Restarting service %s' % entry.get('name'))
rc = self.cmd.run('%s %s' % (command, \
entry.get('reload', self.__svcrestart__)))[0]
else:
self.logger.debug('Stopping service %s' % entry.get('name'))
rc = self.cmd.run('%s stop' % command)[0]
if rc:
self.logger.error("Failed to restart service %s" % (entry.get('name')))
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