def __init__(self, service_name, init_script=None, cnf_ctl=None):
'''
XXX: When migrating to the new preset system
do not forget that self._service_name is essential for
Handler.get_ready_behaviours() and should be overloaded
in every ServiceCtlHandler child.
'''
self._service_name = service_name
self._cnf_ctl = cnf_ctl
self._init_script = init_script
self._logger = logging.getLogger(__name__)
self._preset_store = CnfPresetStore(self._service_name)
Handler.__init__(self)
self._queryenv = bus.queryenv_service
bus.on('init', self.sc_on_init)
bus.define_events(self._service_name + '_reload',
'before_' + self._service_name + '_configure',
self._service_name + '_configure')
class ServiceCtlHandler(Handler):
_logger = None
_cnf_ctl = None
_init_script = None
_preset_store = None
_service_name = None
initial_preset = None
def __init__(self, service_name, init_script=None, cnf_ctl=None):
'''
XXX: When migrating to the new preset system
do not forget that self._service_name is essential for
Handler.get_ready_behaviours() and should be overloaded
in every ServiceCtlHandler child.
'''
self._service_name = service_name
self._cnf_ctl = cnf_ctl
self._init_script = init_script
self._logger = logging.getLogger(__name__)
self._preset_store = CnfPresetStore(self._service_name)
Handler.__init__(self)
self._queryenv = bus.queryenv_service
bus.on('init', self.sc_on_init)
bus.define_events(self._service_name + '_reload',
'before_' + self._service_name + '_configure',
self._service_name + '_configure')
def on_UpdateServiceConfiguration(self, message):
if self._service_name != message.behaviour:
return
result = self.new_message(Messages.UPDATE_SERVICE_CONFIGURATION_RESULT)
result.behaviour = message.behaviour
# Obtain current configuration preset
if message.reset_to_defaults == '1':
new_preset = self._preset_store.load(PresetType.DEFAULT)
else:
new_preset = self._obtain_current_preset()
if new_preset:
result.preset = new_preset.name
# Apply current preset
try:
LOG.info("Applying preset '%s' to %s %s service restart",
new_preset.name, self._service_name,
'with' if message.restart_service == '1' else 'without')
self._cnf_ctl.apply_preset(new_preset)
if message.restart_service == '1' or message.reset_to_defaults == '1':
self._stop_service(reason="Applying preset '%s'" %
new_preset.name)
self._start_service_with_preset(new_preset)
result.status = 'ok'
except (BaseException, Exception), e:
result.status = 'error'
result.last_error = str(e)
# Send result
self.send_message(result)