def add_rpc_datasources_timers(self):
spacing = self.conf.datasources.snapshots_interval
rpc_client = ds_rpc.create_rpc_client_instance(self.conf)
@periodics.periodic(spacing=spacing)
def get_all_periodic():
try:
ds_rpc.get_all(rpc_client,
self.events_coordination,
self.conf.datasources.types,
DatasourceAction.SNAPSHOT)
except Exception as e:
LOG.exception('get_all_periodic failed %s', e)
self.periodic.add(get_all_periodic)
LOG.info("added get_all_periodic (spacing=%s)", spacing)
driver_names = utils.get_pull_drivers_names(self.conf)
for d_name in driver_names:
spacing = self.conf[d_name].changes_interval
rpc_client = ds_rpc.create_rpc_client_instance(self.conf)
@periodics.periodic(spacing=spacing)
def get_changes_periodic(driver_name=d_name):
try:
ds_rpc.get_changes(rpc_client,
self.events_coordination,
driver_name)
except Exception as e:
LOG.exception('get_changes_periodic %s failed %s',
driver_name, e)
self.periodic.add(get_changes_periodic)
LOG.info("added get_changes_periodic %s (spacing=%s)",
d_name, spacing)
def run(self):
LOG.info('Init Started')
LOG.info('clearing database active_actions')
self.db.active_actions.delete()
ds_rpc.get_all(ds_rpc.create_rpc_client_instance(self.conf),
self.events_coordination,
self.conf.datasources.types,
action=DatasourceAction.INIT_SNAPSHOT,
retry_on_fault=True,
first_call_timeout=10)
self.processor.start_notifier()
spawn(self.start_all_workers)
self.workers.run()
def run(self):
LOG.info('Init Started')
ds_rpc.get_all(ds_rpc.create_rpc_client_instance(self.conf),
self.events_coordination,
self.conf.datasources.types,
action=DatasourceAction.INIT_SNAPSHOT,
retry_on_fault=True,
first_call_timeout=10)
self.processor.start_notifier()
self.events_coordination.start()
spawn(self.workers.submit_start_evaluations)
self.scheduler.start_periodic_tasks()
self.workers.run()
def _start_from_scratch(self):
LOG.info('Starting for the first time')
LOG.info('Clearing database active_actions')
self.db.active_actions.delete()
LOG.info('Disabling previously active alarms')
self.db.history_facade.disable_alarms_in_history()
self.subscribe_presist_notifier()
ds_rpc.get_all(
ds_rpc.create_rpc_client_instance(self.conf),
self.events_coordination,
self.conf.datasources.types,
action=DatasourceAction.INIT_SNAPSHOT,
retry_on_fault=True)
LOG.info("%s vertices loaded", self.graph.num_vertices())
self.persist.store_graph()
spawn(self._start_all_workers, is_snapshot=False)