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# This is the bcfg2 support for chkconfig
# $Id$
"""This is chkconfig support."""
__revision__ = '$Revision$'
import os
import Bcfg2.Client.Tools
import Bcfg2.Client.XML
class Chkconfig(Bcfg2.Client.Tools.SvcTool):
"""Chkconfig support for Bcfg2."""
name = 'Chkconfig'
__execs__ = ['/sbin/chkconfig']
__handles__ = [('Service', 'chkconfig')]
__req__ = {'Service': ['name', 'status']}
os.environ['LANG'] = 'C'
def get_svc_command(self, service, action):
return "/sbin/service %s %s" % (service.get('name'), action)
def VerifyService(self, entry, _):
"""Verify Service status for entry."""
try:
cmd = "/sbin/chkconfig --list %s " % (entry.get('name'))
raw = self.cmd.run(cmd)[1]
patterns = ["error reading information", "unknown service"]
srvdata = [line.split() for line in raw for pattern in patterns \
if pattern not in line][0]
except IndexError:
# Ocurrs when no lines are returned (service not installed)
entry.set('current_status', 'off')
return False
if len(srvdata) == 2:
# This is an xinetd service
if entry.get('status') == srvdata[1]:
return True
else:
entry.set('current_status', srvdata[1])
return False
try:
onlevels = [level.split(':')[0] for level in srvdata[1:] \
if level.split(':')[1] == 'on']
except IndexError:
onlevels = []
if entry.get('status') == 'on':
status = (len(onlevels) > 0)
command = 'start'
else:
status = (len(onlevels) == 0)
command = 'stop'
if entry.get('mode', 'default') == 'supervised':
# turn on or off the service in supervised mode
pstatus = self.cmd.run('/sbin/service %s status' % \
entry.get('name'))[0]
needs_modification = ((command == 'start' and pstatus) or \
(command == 'stop' and not pstatus))
if (not self.setup.get('dryrun') and
self.setup['servicemode'] != 'disabled' and
needs_modification):
self.cmd.run(self.get_svc_command(entry, command))
# service was modified, so it failed
pstatus = False
# chkconfig/init.d service
if entry.get('status') == 'on':
status = status and not pstatus
if not status:
if entry.get('status') == 'on':
entry.set('current_status', 'off')
else:
entry.set('current_status', 'on')
return status
def InstallService(self, entry):
"""Install Service entry."""
# don't take any actions for mode='manual'
if entry.get('mode', 'default') == 'manual':
self.logger.info("Service %s mode set to manual. Skipping "
"installation." % (entry.get('name')))
return False
rcmd = "/sbin/chkconfig %s %s"
self.cmd.run("/sbin/chkconfig --add %s" % (entry.attrib['name']))
self.logger.info("Installing Service %s" % (entry.get('name')))
pass1 = True
if entry.get('status') == 'off':
rc = self.cmd.run(rcmd % (entry.get('name'),
entry.get('status')) + \
" --level 0123456")[0]
pass1 = rc == 0
rc = self.cmd.run(rcmd % (entry.get('name'), entry.get('status')))[0]
return pass1 and rc == 0
def FindExtra(self):
"""Locate extra chkconfig Services."""
allsrv = [line.split()[0] for line in \
self.cmd.run("/sbin/chkconfig --list 2>/dev/null|grep :on")[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='chkconfig',
name=name) \
for name in allsrv if name not in specified]
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