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"""This is rc-update support."""
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.
"""
if entry.get('status') == 'ignore':
return True
# check if service is enabled
cmd = '/sbin/rc-update show default | grep %s'
is_enabled = self.cmd.run(cmd % entry.get('name')).success
# 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 if service is enabled
cmd = '/etc/init.d/%s status | grep started'
is_running = self.cmd.run(cmd % entry.attrib['name']).success
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
"""
self.logger.info('Installing Service %s' % entry.get('name'))
if entry.get('status') == 'on':
if entry.get('current_status') == 'off':
self.start_service(entry)
# make sure it's enabled
cmd = '/sbin/rc-update add %s default'
return self.cmd.run(cmd % entry.get('name')).success
elif entry.get('status') == 'off':
if entry.get('current_status') == 'on':
self.stop_service(entry)
# make sure it's disabled
cmd = '/sbin/rc-update del %s default'
return self.cmd.run(cmd % entry.get('name')).success
return False
def FindExtra(self):
"""Locate extra rc-update services."""
cmd = '/bin/rc-status -s'
allsrv = [line.split()[0]
for line in self.cmd.run(cmd).stdout.splitlines()
if 'started' in line]
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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