def start(self):
for target in self.pool.targets:
self.target_backends[target.id].start()
super(Service, self).start()
# Setup a Leader Election, use for ensuring certain tasks are executed
# on exactly one pool-manager instance at a time]
self._pool_election = coordination.LeaderElection(
self._coordinator, '%s:%s' % (self.service_name, self.pool.id))
self._pool_election.start()
if CONF['service:pool_manager'].enable_recovery_timer:
LOG.info(_LI('Starting periodic recovery timer'))
self.tg.add_timer(
CONF['service:pool_manager'].periodic_recovery_interval,
self.periodic_recovery,
CONF['service:pool_manager'].periodic_recovery_interval)
if CONF['service:pool_manager'].enable_sync_timer:
LOG.info(_LI('Starting periodic synchronization timer'))
self.tg.add_timer(
CONF['service:pool_manager'].periodic_sync_interval,
self.periodic_sync,
CONF['service:pool_manager'].periodic_sync_interval)
def setUp(self):
super(TestLeaderElectionWithoutBackend, self).setUp()
# coordinator = None indicates no coordination backend has been
# configured
coordinator = None
self.election = coordination.LeaderElection(coordinator, 'President')
def start(self):
# Build the Pool (and related) Object from Config
context = DesignateContext.get_admin_context()
pool_id = CONF['service:pool_manager'].pool_id
has_targets = False
# TODO(kiall): This block of code should be replaced with a cleaner,
# limited version. e.g. should retry for X minutes, and
# backoff rather than fixed retry intervals.
while not has_targets:
try:
self.pool = self.central_api.get_pool(context, pool_id)
if len(self.pool.targets) > 0:
has_targets = True
else:
LOG.error("No targets for %s found.", self.pool)
time.sleep(5)
# Pool data may not have migrated to the DB yet
except exceptions.PoolNotFound:
LOG.error("Pool ID %s not found.", pool_id)
time.sleep(5)
# designate-central service may not have started yet
except messaging.exceptions.MessagingTimeout:
time.sleep(0.2)
# designate-central failed in an unknown way, don't allow another
# failing / not started service to cause pool-manager to crash.
except Exception:
LOG.exception("An unknown exception occurred while "
"fetching pool details")
time.sleep(5)
# Create the necessary Backend instances for each target
self._setup_target_backends()
for target in self.pool.targets:
self.target_backends[target.id].start()
super(Service, self).start()
# Setup a Leader Election, use for ensuring certain tasks are executed
# on exactly one pool-manager instance at a time]
self._pool_election = coordination.LeaderElection(
self._coordinator, '%s:%s' % (self.service_name, self.pool.id))
self._pool_election.start()
if CONF['service:pool_manager'].enable_recovery_timer:
interval = CONF['service:pool_manager'].periodic_recovery_interval
LOG.info('Starting periodic recovery timer every'
' %(interval)s s', {'interval': interval})
self.tg.add_timer(interval, self.periodic_recovery, interval)
if CONF['service:pool_manager'].enable_sync_timer:
interval = CONF['service:pool_manager'].periodic_sync_interval
LOG.info('Starting periodic synchronization timer every'
' %(interval)s s', {'interval': interval})
self.tg.add_timer(interval, self.periodic_sync, interval)
def setUp(self):
super(TestLeaderElection, self).setUp()
self.coord_fixture = self.useFixture(
fixtures.CoordinatorFixture('zake://', b'InsertNameHere'))
self.election = coordination.LeaderElection(self.coordinator,
'President')
def start(self):
# Build the Pool (and related) Object from Config
context = DesignateContext.get_admin_context()
pool_id = CONF['service:pool_manager'].pool_id
has_targets = False
while not has_targets:
try:
self.pool = self.central_api.get_pool(context, pool_id)
if len(self.pool.targets) > 0:
has_targets = True
else:
LOG.error(_LE("No targets for %s found."), self.pool)
time.sleep(5)
# Pool data may not have migrated to the DB yet
except exceptions.PoolNotFound:
LOG.error(_LE("Pool ID %s not found."), pool_id)
time.sleep(5)
# designate-central service may not have started yet
except messaging.exceptions.MessagingTimeout:
time.sleep(0.2)
# Create the necessary Backend instances for each target
self._setup_target_backends()
for target in self.pool.targets:
self.target_backends[target.id].start()
super(Service, self).start()
# Setup a Leader Election, use for ensuring certain tasks are executed
# on exactly one pool-manager instance at a time]
self._pool_election = coordination.LeaderElection(
self._coordinator, '%s:%s' % (self.service_name, self.pool.id))
self._pool_election.start()
if CONF['service:pool_manager'].enable_recovery_timer:
interval = CONF['service:pool_manager'].periodic_recovery_interval
LOG.info(
_LI('Starting periodic recovery timer every'
' %(interval)s s') % {'interval': interval})
self.tg.add_timer(interval, self.periodic_recovery, interval)
if CONF['service:pool_manager'].enable_sync_timer:
interval = CONF['service:pool_manager'].periodic_sync_interval
LOG.info(
_LI('Starting periodic synchronization timer every'
' %(interval)s s') % {'interval': interval})
self.tg.add_timer(interval, self.periodic_sync, interval)