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'''This is rc-update support'''
__revision__ = '$Revision$'
import os
import Bcfg2.Client.Tools
import Bcfg2.Client.XML
class RcUpdate(Bcfg2.Client.Tools.SvcTool):
'''RcUpdate support for Bcfg2'''
name = 'RcUpdate'
__execs__ = ['/sbin/rc-update', '/bin/rc-status']
__handles__ = [('Service', 'rc-update')]
__req__ = {'Service': ['name', 'status']}
def VerifyService(self, entry, _):
'''
Verify Service status for entry.
Assumes we run in the "default" runlevel.
'''
# check is service is enabled
cmd = '/sbin/rc-update show default | grep %s'
rc = self.cmd.run(cmd % entry.get('name'))[0]
is_enabled = (rc == 0)
if entry.get('mode', 'default') == 'supervised':
# check if init script exists
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
# check is service is enabled
cmd = '/etc/init.d/%s status | grep started'
rc = self.cmd.run(cmd % entry.attrib['name'])[0]
is_running = (rc == 0)
else:
# we don't care
is_running = is_enabled
if entry.get('status') == 'on' and not (is_enabled and is_running):
entry.set('current_status', 'off')
return False
elif entry.get('status') == 'off' and (is_enabled or is_running):
entry.set('current_status', 'on')
return False
return True
def InstallService(self, entry):
'''
Install Service entry
In supervised mode we also take care it's (not) running
'''
self.logger.info('Installing Service %s' % entry.get('name'))
if entry.get('status') == 'on':
# make sure it's enabled
cmd = '/sbin/rc-update add %s default'
rc = self.cmd.run(cmd % entry.get('name'))[0]
status = (rc == 0)
elif entry.get('status') == 'off':
# make sure it's disabled
cmd = '/sbin/rc-update del %s default'
rc = self.cmd.run(cmd % entry.get('name'))[0]
status = (rc == 0)
return status
def FindExtra(self):
'''Locate extra rc-update Services'''
cmd = '/bin/rc-status -s | grep started'
allsrv = [line.split()[0] for line in self.cmd.run(cmd)[1]]
self.logger.debug('Found active services:')
self.logger.debug(allsrv)
specified = [srv.get('name') for srv in self.getSupportedEntries()]
return [Bcfg2.Client.XML.Element('Service', type='rc-update', name=name) \
for name in allsrv if name not in specified]
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