from signal import SIGTERM
from subprocess import Popen, PIPE
+from pymin import procman
from pymin.seqtools import Sequence
from pymin.dispatcher import Handler, handler, HandlerError
from pymin.services.util import Restorable, TransactionalHandler, \
__ALL__ = ('VrrpHandler',)
+# FIXME the the command should not use new parameters unless commit where called
+# i.e. integrate commit with procman to update internal procman parameters.
class VrrpHandler(Restorable, ParametersHandler, ReloadHandler, RestartHandler,
ServiceHandler, TransactionalHandler):
_persistent_attrs = ['params']
_restorable_defaults = dict(
- params = dict( ipaddress='192.168.0.1',
- id = '1',
- prio = '',
- dev = 'eth0',
- ),
- )
+ params = dict(
+ ipaddress='192.168.0.1',
+ id = '1',
+ prio = '',
+ dev = 'eth0',
+ persist = True,
+ ),
+ )
+
+ @property
+ def _command(self):
+ command = ['vrrpd', '-i', self.params['dev'], '-v', self.params['id']]
+ if self.params['prio']:
+ command.extend(('-p', self.params['prio']))
+ command.append(self.params['ipaddress'])
+ return command
def _service_start(self):
- if self.params['prio'] != '':
- call(('vrrp', '-i', self.params['dev'], '-v', self.params['id'],
- '-p', self.params['prio'], self.params['ipaddress']))
- else:
- call(('vrrp', '-i', self.params['dev'], '-v', self.params['id'], \
- self.params['ipaddress']))
+ procinfo = procman.get('vrrp')
+ procinfo.command = self._command
+ procinfo.persist = self.params['persist']
+ procman.start('vrrp')
def _service_stop(self):
- try:
- pid_filename = 'vrrpd_%(dev)s_%(id)s.pid' % self.params
- pid = file(path.join(self._pid_dir, pid_filename )).read().strip()
- os.kill(int(pid), SIGTERM)
- except (IOError, OSError):
- # TODO log
- pass
+ procman.stop('vrrp')
+
+ def _service_restart(self):
+ procinfo = procman.get('vrrp')
+ procinfo.command = self._command
+ procinfo.persist = self.params['persist']
+ procman.restart('vrrp')
def __init__(self, pickle_dir='.', config_dir='.', pid_dir='.'):
self._persistent_dir = pickle_dir
self._pid_dir = pid_dir
+ procman.register('vrrp', None)
ServiceHandler.__init__(self)