def test_listener_update(self,
mock_driver,
mock_generate_uuid,
mock_log,
mock_get_session,
mock_listener_repo_get,
mock_listener_repo_update,
mock_amphora_repo_update):
listener_update_obj = amphora_driver_tasks.ListenersUpdate()
listener_update_obj.execute(_load_balancer_mock, [_listener_mock])
mock_driver.update.assert_called_once_with(_listener_mock, _vip_mock)
# Test the revert
amp = listener_update_obj.revert(_load_balancer_mock)
repo.ListenerRepository.update.assert_called_once_with(
_session_mock,
id=LISTENER_ID,
provisioning_status=constants.ERROR)
self.assertIsNone(amp)
# Test the revert with exception
repo.ListenerRepository.update.reset_mock()
mock_listener_repo_update.side_effect = Exception('fail')
amp = listener_update_obj.revert(_load_balancer_mock)
repo.ListenerRepository.update.assert_called_once_with(
_session_mock,
id=LISTENER_ID,
provisioning_status=constants.ERROR)
self.assertIsNone(amp)
def get_delete_member_flow(self):
"""Create a flow to delete a member
:returns: The flow for deleting a member
"""
delete_member_flow = linear_flow.Flow(constants.DELETE_MEMBER_FLOW)
delete_member_flow.add(
lifecycle_tasks.MemberToErrorOnRevertTask(requires=[
constants.MEMBER, constants.LISTENERS, constants.LOADBALANCER,
constants.POOL
]))
delete_member_flow.add(
database_tasks.MarkMemberPendingDeleteInDB(
requires=constants.MEMBER))
delete_member_flow.add(
model_tasks.DeleteModelObject(
rebind={constants.OBJECT: constants.MEMBER}))
delete_member_flow.add(
database_tasks.DeleteMemberInDB(requires=constants.MEMBER))
delete_member_flow.add(
amphora_driver_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
delete_member_flow.add(
database_tasks.DecrementMemberQuota(requires=constants.MEMBER))
delete_member_flow.add(
database_tasks.MarkPoolActiveInDB(requires=constants.POOL))
delete_member_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
return delete_member_flow
def get_create_health_monitor_flow(self):
"""Create a flow to create a health monitor
:returns: The flow for creating a health monitor
"""
create_hm_flow = linear_flow.Flow(constants.CREATE_HEALTH_MONITOR_FLOW)
create_hm_flow.add(
lifecycle_tasks.HealthMonitorToErrorOnRevertTask(requires=[
constants.HEALTH_MON, constants.LISTENERS,
constants.LOADBALANCER
]))
create_hm_flow.add(
database_tasks.MarkHealthMonitorPendingCreateInDB(
requires=constants.HEALTH_MON))
create_hm_flow.add(
amphora_driver_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
create_hm_flow.add(
database_tasks.MarkHealthMonitorActiveInDB(
requires=constants.HEALTH_MON))
create_hm_flow.add(
database_tasks.MarkPoolActiveInDB(requires=constants.POOL))
create_hm_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
return create_hm_flow
def get_update_pool_flow(self):
"""Create a flow to update a pool
:returns: The flow for updating a pool
"""
update_pool_flow = linear_flow.Flow(constants.UPDATE_POOL_FLOW)
update_pool_flow.add(
lifecycle_tasks.PoolToErrorOnRevertTask(requires=[
constants.POOL, constants.LISTENERS, constants.LOADBALANCER
]))
update_pool_flow.add(
database_tasks.MarkPoolPendingUpdateInDB(requires=constants.POOL))
update_pool_flow.add(
model_tasks.UpdateAttributes(
rebind={constants.OBJECT: constants.POOL},
requires=[constants.UPDATE_DICT]))
update_pool_flow.add(
amphora_driver_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
update_pool_flow.add(
database_tasks.UpdatePoolInDB(
requires=[constants.POOL, constants.UPDATE_DICT]))
update_pool_flow.add(
database_tasks.MarkPoolActiveInDB(requires=constants.POOL))
update_pool_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
return update_pool_flow
def get_update_l7rule_flow(self):
"""Create a flow to update an L7 rule
:returns: The flow for updating an L7 rule
"""
update_l7rule_flow = linear_flow.Flow(constants.UPDATE_L7RULE_FLOW)
update_l7rule_flow.add(
lifecycle_tasks.L7RuleToErrorOnRevertTask(requires=[
constants.L7RULE, constants.LISTENERS, constants.LOADBALANCER
]))
update_l7rule_flow.add(
database_tasks.MarkL7RulePendingUpdateInDB(
requires=constants.L7RULE))
update_l7rule_flow.add(
amphora_driver_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
update_l7rule_flow.add(
database_tasks.UpdateL7RuleInDB(
requires=[constants.L7RULE, constants.UPDATE_DICT]))
update_l7rule_flow.add(
database_tasks.MarkL7RuleActiveInDB(requires=constants.L7RULE))
update_l7rule_flow.add(
database_tasks.MarkL7PolicyActiveInDB(requires=constants.L7POLICY))
update_l7rule_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
return update_l7rule_flow
def get_update_member_flow(self):
"""Create a flow to update a member
:returns: The flow for updating a member
"""
update_member_flow = linear_flow.Flow(constants.UPDATE_MEMBER_FLOW)
update_member_flow.add(lifecycle_tasks.MemberToErrorOnRevertTask(
requires=[constants.MEMBER,
constants.LISTENERS,
constants.LOADBALANCER]))
update_member_flow.add(database_tasks.MarkMemberPendingUpdateInDB(
requires=constants.MEMBER))
update_member_flow.add(model_tasks.
UpdateAttributes(
rebind={constants.OBJECT: constants.MEMBER},
requires=[constants.UPDATE_DICT]))
update_member_flow.add(amphora_driver_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
update_member_flow.add(database_tasks.UpdateMemberInDB(
requires=[constants.MEMBER, constants.UPDATE_DICT]))
update_member_flow.add(database_tasks.MarkMemberActiveInDB(
requires=constants.MEMBER))
update_member_flow.add(database_tasks.
MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER,
constants.LISTENERS]))
return update_member_flow
def test_listeners_update(self, mock_driver, mock_generate_uuid, mock_log,
mock_get_session, mock_listener_repo_get,
mock_listener_repo_update,
mock_amphora_repo_update):
listeners_update_obj = amphora_driver_tasks.ListenersUpdate()
listeners = [
data_models.Listener(id='listener1'),
data_models.Listener(id='listener2')
]
vip = data_models.Vip(ip_address='10.0.0.1')
lb = data_models.LoadBalancer(id='lb1', listeners=listeners, vip=vip)
listeners_update_obj.execute(lb, listeners)
mock_driver.update.assert_has_calls(
[mock.call(listeners[0], vip),
mock.call(listeners[1], vip)])
self.assertEqual(2, mock_driver.update.call_count)
self.assertIsNotNone(listeners[0].load_balancer)
self.assertIsNotNone(listeners[1].load_balancer)
# Test the revert
amp = listeners_update_obj.revert(lb)
expected_db_calls = [
mock.call(_session_mock,
id=listeners[0].id,
provisioning_status=constants.ERROR),
mock.call(_session_mock,
id=listeners[1].id,
provisioning_status=constants.ERROR)
]
repo.ListenerRepository.update.has_calls(expected_db_calls)
self.assertEqual(2, repo.ListenerRepository.update.call_count)
self.assertIsNone(amp)
def get_update_l7policy_flow(self):
"""Create a flow to update an L7 policy
:returns: The flow for updating an L7 policy
"""
update_l7policy_flow = linear_flow.Flow(constants.UPDATE_L7POLICY_FLOW)
update_l7policy_flow.add(lifecycle_tasks.L7PolicyToErrorOnRevertTask(
requires=[constants.L7POLICY,
constants.LISTENERS,
constants.LOADBALANCER]))
update_l7policy_flow.add(database_tasks.MarkL7PolicyPendingUpdateInDB(
requires=constants.L7POLICY))
update_l7policy_flow.add(
model_tasks.UpdateAttributes(
rebind={constants.OBJECT: constants.L7POLICY},
requires=[constants.UPDATE_DICT]))
update_l7policy_flow.add(amphora_driver_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
update_l7policy_flow.add(database_tasks.UpdateL7PolicyInDB(
requires=[constants.L7POLICY, constants.UPDATE_DICT]))
update_l7policy_flow.add(database_tasks.MarkL7PolicyActiveInDB(
requires=constants.L7POLICY))
update_l7policy_flow.add(database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
return update_l7policy_flow
def get_delete_pool_flow(self):
"""Create a flow to delete a pool
:returns: The flow for deleting a pool
"""
delete_pool_flow = linear_flow.Flow(constants.DELETE_POOL_FLOW)
delete_pool_flow.add(
lifecycle_tasks.PoolToErrorOnRevertTask(requires=[
constants.POOL, constants.LISTENERS, constants.LOADBALANCER
]))
delete_pool_flow.add(
database_tasks.MarkPoolPendingDeleteInDB(requires=constants.POOL))
delete_pool_flow.add(
database_tasks.CountPoolChildrenForQuota(
requires=constants.POOL, provides=constants.POOL_CHILD_COUNT))
delete_pool_flow.add(
model_tasks.DeleteModelObject(
rebind={constants.OBJECT: constants.POOL}))
delete_pool_flow.add(
amphora_driver_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
delete_pool_flow.add(
database_tasks.DeletePoolInDB(requires=constants.POOL))
delete_pool_flow.add(
database_tasks.DecrementPoolQuota(
requires=[constants.POOL, constants.POOL_CHILD_COUNT]))
delete_pool_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
return delete_pool_flow
def get_create_member_flow(self):
"""Create a flow to create a member
:returns: The flow for creating a member
"""
create_member_flow = linear_flow.Flow(constants.CREATE_MEMBER_FLOW)
create_member_flow.add(
lifecycle_tasks.MemberToErrorOnRevertTask(requires=[
constants.MEMBER, constants.LISTENERS, constants.LOADBALANCER,
constants.POOL
]))
create_member_flow.add(
database_tasks.MarkMemberPendingCreateInDB(
requires=constants.MEMBER))
create_member_flow.add(
network_tasks.CalculateDelta(requires=constants.LOADBALANCER,
provides=constants.DELTAS))
create_member_flow.add(
network_tasks.HandleNetworkDeltas(requires=constants.DELTAS,
provides=constants.ADDED_PORTS))
create_member_flow.add(
amphora_driver_tasks.AmphoraePostNetworkPlug(
requires=(constants.LOADBALANCER, constants.ADDED_PORTS)))
create_member_flow.add(
amphora_driver_tasks.ListenersUpdate(
requires=(constants.LOADBALANCER, constants.LISTENERS)))
create_member_flow.add(
database_tasks.MarkMemberActiveInDB(requires=constants.MEMBER))
create_member_flow.add(
database_tasks.MarkPoolActiveInDB(requires=constants.POOL))
create_member_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=(constants.LOADBALANCER, constants.LISTENERS)))
return create_member_flow
def get_update_load_balancer_flow(self):
"""Creates a flow to update a load balancer.
:returns: The flow for update a load balancer
"""
update_LB_flow = linear_flow.Flow(constants.UPDATE_LOADBALANCER_FLOW)
update_LB_flow.add(
lifecycle_tasks.LoadBalancerToErrorOnRevertTask(
requires=constants.LOADBALANCER))
update_LB_flow.add(
model_tasks.UpdateAttributes(
rebind={constants.OBJECT: constants.LOADBALANCER},
requires=[constants.UPDATE_DICT]))
update_LB_flow.add(
network_tasks.ApplyQos(requires=(constants.LOADBALANCER,
constants.UPDATE_DICT)))
update_LB_flow.add(
amphora_driver_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
update_LB_flow.add(
database_tasks.UpdateLoadbalancerInDB(
requires=[constants.LOADBALANCER, constants.UPDATE_DICT]))
update_LB_flow.add(
database_tasks.MarkLBActiveInDB(requires=constants.LOADBALANCER))
return update_LB_flow
def get_update_health_monitor_flow(self):
"""Create a flow to update a health monitor
:returns: The flow for updating a health monitor
"""
update_hm_flow = linear_flow.Flow(constants.UPDATE_HEALTH_MONITOR_FLOW)
update_hm_flow.add(lifecycle_tasks.HealthMonitorToErrorOnRevertTask(
requires=[constants.HEALTH_MON,
constants.LISTENERS,
constants.LOADBALANCER]))
update_hm_flow.add(database_tasks.MarkHealthMonitorPendingUpdateInDB(
requires=constants.HEALTH_MON))
update_hm_flow.add(model_tasks.
UpdateAttributes(
rebind={constants.OBJECT: constants.HEALTH_MON},
requires=[constants.UPDATE_DICT]))
update_hm_flow.add(amphora_driver_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
update_hm_flow.add(database_tasks.UpdateHealthMonInDB(
requires=[constants.HEALTH_MON, constants.UPDATE_DICT]))
update_hm_flow.add(database_tasks.MarkHealthMonitorActiveInDB(
requires=constants.HEALTH_MON))
update_hm_flow.add(database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
return update_hm_flow
def get_delete_health_monitor_flow(self):
"""Create a flow to delete a health monitor
:returns: The flow for deleting a health monitor
"""
delete_hm_flow = linear_flow.Flow(constants.DELETE_HEALTH_MONITOR_FLOW)
delete_hm_flow.add(lifecycle_tasks.HealthMonitorToErrorOnRevertTask(
requires=[constants.HEALTH_MON,
constants.LISTENERS,
constants.LOADBALANCER]))
delete_hm_flow.add(database_tasks.MarkHealthMonitorPendingDeleteInDB(
requires=constants.HEALTH_MON))
delete_hm_flow.add(model_tasks.
DeleteModelObject(rebind={constants.OBJECT:
constants.HEALTH_MON}))
delete_hm_flow.add(amphora_driver_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
delete_hm_flow.add(database_tasks.DeleteHealthMonitorInDB(
requires=constants.POOL_ID))
delete_hm_flow.add(database_tasks.DecrementHealthMonitorQuota(
requires=constants.HEALTH_MON))
delete_hm_flow.add(database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
return delete_hm_flow
def get_delete_l7rule_flow(self):
"""Create a flow to delete an L7 rule
:returns: The flow for deleting an L7 rule
"""
delete_l7rule_flow = linear_flow.Flow(constants.DELETE_L7RULE_FLOW)
delete_l7rule_flow.add(
lifecycle_tasks.L7RuleToErrorOnRevertTask(requires=[
constants.L7RULE, constants.LISTENERS, constants.LOADBALANCER
]))
delete_l7rule_flow.add(
database_tasks.MarkL7RulePendingDeleteInDB(
requires=constants.L7RULE))
delete_l7rule_flow.add(
model_tasks.DeleteModelObject(
rebind={constants.OBJECT: constants.L7RULE}))
delete_l7rule_flow.add(
amphora_driver_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
delete_l7rule_flow.add(
database_tasks.DeleteL7RuleInDB(requires=constants.L7RULE))
delete_l7rule_flow.add(
database_tasks.MarkL7PolicyActiveInDB(requires=constants.L7POLICY))
delete_l7rule_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
return delete_l7rule_flow
def get_create_l7rule_flow(self):
"""Create a flow to create an L7 rule
:returns: The flow for creating an L7 rule
"""
create_l7rule_flow = linear_flow.Flow(constants.CREATE_L7RULE_FLOW)
create_l7rule_flow.add(amphora_driver_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
create_l7rule_flow.add(database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
return create_l7rule_flow
def get_create_health_monitor_flow(self):
"""Create a flow to create a health monitor
:returns: The flow for creating a health monitor
"""
create_hm_flow = linear_flow.Flow(constants.CREATE_HEALTH_MONITOR_FLOW)
create_hm_flow.add(amphora_driver_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
create_hm_flow.add(database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
return create_hm_flow
def get_create_listener_flow(self):
"""Create a flow to create a listener
:returns: The flow for creating a listener
"""
create_listener_flow = linear_flow.Flow(constants.CREATE_LISTENER_FLOW)
create_listener_flow.add(amphora_driver_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
create_listener_flow.add(network_tasks.UpdateVIP(
requires=constants.LOADBALANCER))
create_listener_flow.add(database_tasks.
MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER,
constants.LISTENERS]))
return create_listener_flow
def get_update_l7rule_flow(self):
"""Create a flow to update an L7 rule
:returns: The flow for updating an L7 rule
"""
update_l7rule_flow = linear_flow.Flow(constants.UPDATE_L7RULE_FLOW)
update_l7rule_flow.add(
model_tasks.UpdateAttributes(
rebind={constants.OBJECT: constants.L7RULE},
requires=[constants.UPDATE_DICT]))
update_l7rule_flow.add(amphora_driver_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
update_l7rule_flow.add(database_tasks.UpdateL7RuleInDB(
requires=[constants.L7RULE, constants.UPDATE_DICT]))
update_l7rule_flow.add(database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
return update_l7rule_flow
def get_delete_pool_flow(self):
"""Create a flow to delete a pool
:returns: The flow for deleting a pool
"""
delete_pool_flow = linear_flow.Flow(constants.DELETE_POOL_FLOW)
delete_pool_flow.add(
model_tasks.DeleteModelObject(
rebind={constants.OBJECT: constants.POOL}))
delete_pool_flow.add(
amphora_driver_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
delete_pool_flow.add(
database_tasks.DeletePoolInDB(requires=constants.POOL))
delete_pool_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
return delete_pool_flow
def get_update_listener_flow(self):
"""Create a flow to update a listener
:returns: The flow for updating a listener
"""
update_listener_flow = linear_flow.Flow(constants.UPDATE_LISTENER_FLOW)
update_listener_flow.add(
lifecycle_tasks.ListenersToErrorOnRevertTask(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
update_listener_flow.add(
amphora_driver_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
update_listener_flow.add(
database_tasks.UpdateListenerInDB(
requires=[constants.LISTENER, constants.UPDATE_DICT]))
update_listener_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
return update_listener_flow
def get_create_l7policy_flow(self):
"""Create a flow to create an L7 policy
:returns: The flow for creating an L7 policy
"""
create_l7policy_flow = linear_flow.Flow(constants.CREATE_L7POLICY_FLOW)
create_l7policy_flow.add(lifecycle_tasks.L7PolicyToErrorOnRevertTask(
requires=[constants.L7POLICY,
constants.LISTENERS,
constants.LOADBALANCER]))
create_l7policy_flow.add(database_tasks.MarkL7PolicyPendingCreateInDB(
requires=constants.L7POLICY))
create_l7policy_flow.add(amphora_driver_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
create_l7policy_flow.add(database_tasks.MarkL7PolicyActiveInDB(
requires=constants.L7POLICY))
create_l7policy_flow.add(database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
return create_l7policy_flow
def get_create_pool_flow(self):
"""Create a flow to create a pool
:returns: The flow for creating a pool
"""
create_pool_flow = linear_flow.Flow(constants.CREATE_POOL_FLOW)
create_pool_flow.add(lifecycle_tasks.PoolToErrorOnRevertTask(
requires=[constants.POOL,
constants.LISTENERS,
constants.LOADBALANCER]))
create_pool_flow.add(database_tasks.MarkPoolPendingCreateInDB(
requires=constants.POOL))
create_pool_flow.add(amphora_driver_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
create_pool_flow.add(database_tasks.MarkPoolActiveInDB(
requires=constants.POOL))
create_pool_flow.add(database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
return create_pool_flow
def get_create_all_listeners_flow(self):
"""Create a flow to create all listeners
:returns: The flow for creating all listeners
"""
create_all_listeners_flow = linear_flow.Flow(
constants.CREATE_LISTENERS_FLOW)
create_all_listeners_flow.add(
database_tasks.GetListenersFromLoadbalancer(
requires=constants.LOADBALANCER, provides=constants.LISTENERS))
create_all_listeners_flow.add(
database_tasks.ReloadLoadBalancer(
requires=constants.LOADBALANCER_ID,
provides=constants.LOADBALANCER))
create_all_listeners_flow.add(
amphora_driver_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
create_all_listeners_flow.add(
network_tasks.UpdateVIP(requires=constants.LOADBALANCER))
return create_all_listeners_flow
def get_failover_flow(self):
"""Creates a flow to failover a stale amphora
:returns: The flow for amphora failover
"""
failover_amphora_flow = linear_flow.Flow(
constants.FAILOVER_AMPHORA_FLOW)
failover_amphora_flow.add(
network_tasks.RetrievePortIDsOnAmphoraExceptLBNetwork(
requires=constants.AMPHORA, provides=constants.PORTS))
failover_amphora_flow.add(
network_tasks.FailoverPreparationForAmphora(
requires=constants.AMPHORA))
failover_amphora_flow.add(
compute_tasks.ComputeDelete(requires=constants.AMPHORA))
failover_amphora_flow.add(
database_tasks.MarkAmphoraDeletedInDB(requires=constants.AMPHORA))
failover_amphora_flow.add(
database_tasks.CreateAmphoraInDB(provides=constants.AMPHORA_ID))
failover_amphora_flow.add(
database_tasks.GetUpdatedFailoverAmpNetworkDetailsAsList(
requires=(constants.AMPHORA_ID, constants.AMPHORA),
provides=constants.AMPS_DATA))
if self.REST_AMPHORA_DRIVER:
failover_amphora_flow.add(
cert_task.GenerateServerPEMTask(provides=constants.SERVER_PEM))
failover_amphora_flow.add(
compute_tasks.CertComputeCreate(
requires=(constants.AMPHORA_ID, constants.SERVER_PEM),
provides=constants.COMPUTE_ID))
else:
failover_amphora_flow.add(
compute_tasks.ComputeCreate(requires=constants.AMPHORA_ID,
provides=constants.COMPUTE_ID))
failover_amphora_flow.add(
database_tasks.UpdateAmphoraComputeId(
requires=(constants.AMPHORA_ID, constants.COMPUTE_ID)))
failover_amphora_flow.add(
database_tasks.AssociateFailoverAmphoraWithLBID(
requires=(constants.AMPHORA_ID, constants.LOADBALANCER_ID)))
failover_amphora_flow.add(
database_tasks.MarkAmphoraBootingInDB(
requires=(constants.AMPHORA_ID, constants.COMPUTE_ID)))
wait_flow = linear_flow.Flow(
constants.WAIT_FOR_AMPHORA,
retry=retry.Times(CONF.controller_worker.amp_active_retries))
wait_flow.add(
compute_tasks.ComputeWait(requires=constants.COMPUTE_ID,
provides=constants.COMPUTE_OBJ))
wait_flow.add(
database_tasks.UpdateAmphoraInfo(requires=(constants.AMPHORA_ID,
constants.COMPUTE_OBJ),
provides=constants.AMPHORA))
failover_amphora_flow.add(wait_flow)
failover_amphora_flow.add(
database_tasks.ReloadAmphora(requires=constants.AMPHORA_ID,
provides=constants.FAILOVER_AMPHORA))
failover_amphora_flow.add(
amphora_driver_tasks.AmphoraFinalize(
rebind={constants.AMPHORA: constants.FAILOVER_AMPHORA},
requires=constants.AMPHORA))
failover_amphora_flow.add(
database_tasks.UpdateAmphoraVIPData(requires=constants.AMPS_DATA))
failover_amphora_flow.add(
database_tasks.ReloadLoadBalancer(
requires=constants.LOADBALANCER_ID,
provides=constants.LOADBALANCER))
failover_amphora_flow.add(
network_tasks.GetAmphoraeNetworkConfigs(
requires=constants.LOADBALANCER,
provides=constants.AMPHORAE_NETWORK_CONFIG))
failover_amphora_flow.add(
database_tasks.GetListenersFromLoadbalancer(
requires=constants.LOADBALANCER, provides=constants.LISTENERS))
failover_amphora_flow.add(
database_tasks.GetVipFromLoadbalancer(
requires=constants.LOADBALANCER, provides=constants.VIP))
failover_amphora_flow.add(
amphora_driver_tasks.ListenersUpdate(requires=(constants.LISTENERS,
constants.VIP)))
failover_amphora_flow.add(
amphora_driver_tasks.AmphoraPostVIPPlug(
requires=(constants.LOADBALANCER,
constants.AMPHORAE_NETWORK_CONFIG)))
failover_amphora_flow.add(
network_tasks.GetMemberPorts(
rebind={constants.AMPHORA: constants.FAILOVER_AMPHORA},
requires=(constants.LOADBALANCER, constants.AMPHORA),
provides=constants.MEMBER_PORTS))
failover_amphora_flow.add(
amphora_driver_tasks.AmphoraPostNetworkPlug(
rebind={
constants.AMPHORA: constants.FAILOVER_AMPHORA,
constants.PORTS: constants.MEMBER_PORTS
},
requires=(constants.AMPHORA, constants.PORTS)))
failover_amphora_flow.add(
amphora_driver_tasks.ListenersStart(requires=(constants.LISTENERS,
constants.VIP)))
failover_amphora_flow.add(
database_tasks.MarkAmphoraAllocatedInDB(
rebind={constants.AMPHORA: constants.FAILOVER_AMPHORA},
requires=(constants.AMPHORA, constants.LOADBALANCER_ID)))
return failover_amphora_flow
def get_failover_flow(self, role=constants.ROLE_STANDALONE):
"""Creates a flow to failover a stale amphora
:returns: The flow for amphora failover
"""
failover_amphora_flow = linear_flow.Flow(
constants.FAILOVER_AMPHORA_FLOW)
failover_amphora_flow.add(
network_tasks.RetrievePortIDsOnAmphoraExceptLBNetwork(
rebind={constants.AMPHORA: constants.FAILED_AMPHORA},
requires=constants.AMPHORA,
provides=constants.PORTS))
failover_amphora_flow.add(
network_tasks.FailoverPreparationForAmphora(
rebind={constants.AMPHORA: constants.FAILED_AMPHORA},
requires=constants.AMPHORA))
# Delete the old amphora
failover_amphora_flow.add(
database_tasks.MarkAmphoraPendingDeleteInDB(
rebind={constants.AMPHORA: constants.FAILED_AMPHORA},
requires=constants.AMPHORA))
failover_amphora_flow.add(
database_tasks.MarkAmphoraHealthBusy(
rebind={constants.AMPHORA: constants.FAILED_AMPHORA},
requires=constants.AMPHORA))
failover_amphora_flow.add(
compute_tasks.ComputeDelete(
rebind={constants.AMPHORA: constants.FAILED_AMPHORA},
requires=constants.AMPHORA))
failover_amphora_flow.add(
database_tasks.DisableAmphoraHealthMonitoring(
rebind={constants.AMPHORA: constants.FAILED_AMPHORA},
requires=constants.AMPHORA))
failover_amphora_flow.add(
database_tasks.MarkAmphoraDeletedInDB(
rebind={constants.AMPHORA: constants.FAILED_AMPHORA},
requires=constants.AMPHORA))
# Save failed amphora details for later
failover_amphora_flow.add(
database_tasks.GetAmphoraDetails(
rebind={constants.AMPHORA: constants.FAILED_AMPHORA},
requires=constants.AMPHORA,
provides=constants.AMP_DATA))
# Get a new amphora
# Note: Role doesn't matter here. We will update it later.
get_amp_subflow = self.get_amphora_for_lb_subflow(
prefix=constants.FAILOVER_AMPHORA_FLOW)
failover_amphora_flow.add(get_amp_subflow)
# Update the new amphora with the failed amphora details
failover_amphora_flow.add(
database_tasks.UpdateAmpFailoverDetails(
requires=(constants.AMPHORA, constants.AMP_DATA)))
failover_amphora_flow.add(
database_tasks.ReloadLoadBalancer(
requires=constants.LOADBALANCER_ID,
provides=constants.LOADBALANCER))
failover_amphora_flow.add(
network_tasks.GetAmphoraeNetworkConfigs(
requires=constants.LOADBALANCER,
provides=constants.AMPHORAE_NETWORK_CONFIG))
failover_amphora_flow.add(
database_tasks.GetListenersFromLoadbalancer(
requires=constants.LOADBALANCER, provides=constants.LISTENERS))
failover_amphora_flow.add(
database_tasks.GetVipFromLoadbalancer(
requires=constants.LOADBALANCER, provides=constants.VIP))
failover_amphora_flow.add(
amphora_driver_tasks.ListenersUpdate(
requires=(constants.LOADBALANCER, constants.LISTENERS)))
failover_amphora_flow.add(
network_tasks.PlugPorts(requires=(constants.AMPHORA,
constants.PORTS)))
failover_amphora_flow.add(
amphora_driver_tasks.AmphoraPostVIPPlug(
requires=(constants.LOADBALANCER,
constants.AMPHORAE_NETWORK_CONFIG)))
failover_amphora_flow.add(
network_tasks.GetMemberPorts(requires=(constants.LOADBALANCER,
constants.AMPHORA),
provides=constants.MEMBER_PORTS))
failover_amphora_flow.add(
amphora_driver_tasks.AmphoraPostNetworkPlug(
rebind={constants.PORTS: constants.MEMBER_PORTS},
requires=(constants.AMPHORA, constants.PORTS)))
# Handle the amphora role and VRRP if necessary
if role == constants.ROLE_MASTER:
failover_amphora_flow.add(
database_tasks.MarkAmphoraMasterInDB(
name=constants.MARK_AMP_MASTER_INDB,
requires=constants.AMPHORA))
vrrp_subflow = self.get_vrrp_subflow(role)
failover_amphora_flow.add(vrrp_subflow)
elif role == constants.ROLE_BACKUP:
failover_amphora_flow.add(
database_tasks.MarkAmphoraBackupInDB(
name=constants.MARK_AMP_BACKUP_INDB,
requires=constants.AMPHORA))
vrrp_subflow = self.get_vrrp_subflow(role)
failover_amphora_flow.add(vrrp_subflow)
elif role == constants.ROLE_STANDALONE:
failover_amphora_flow.add(
database_tasks.MarkAmphoraStandAloneInDB(
name=constants.MARK_AMP_STANDALONE_INDB,
requires=constants.AMPHORA))
failover_amphora_flow.add(
amphora_driver_tasks.ListenersStart(
requires=(constants.LOADBALANCER, constants.LISTENERS)))
return failover_amphora_flow
def get_failover_flow(self, role=constants.ROLE_STANDALONE,
status=constants.AMPHORA_READY):
"""Creates a flow to failover a stale amphora
:returns: The flow for amphora failover
"""
failover_amphora_flow = linear_flow.Flow(
constants.FAILOVER_AMPHORA_FLOW)
failover_amphora_flow.add(lifecycle_tasks.AmphoraToErrorOnRevertTask(
rebind={constants.AMPHORA: constants.FAILED_AMPHORA},
requires=constants.AMPHORA))
# Delete the old amphora
failover_amphora_flow.add(
database_tasks.MarkAmphoraPendingDeleteInDB(
rebind={constants.AMPHORA: constants.FAILED_AMPHORA},
requires=constants.AMPHORA))
failover_amphora_flow.add(
database_tasks.MarkAmphoraHealthBusy(
rebind={constants.AMPHORA: constants.FAILED_AMPHORA},
requires=constants.AMPHORA))
failover_amphora_flow.add(compute_tasks.ComputeDelete(
rebind={constants.AMPHORA: constants.FAILED_AMPHORA},
requires=constants.AMPHORA))
failover_amphora_flow.add(network_tasks.WaitForPortDetach(
rebind={constants.AMPHORA: constants.FAILED_AMPHORA},
requires=constants.AMPHORA))
failover_amphora_flow.add(
database_tasks.DisableAmphoraHealthMonitoring(
rebind={constants.AMPHORA: constants.FAILED_AMPHORA},
requires=constants.AMPHORA))
failover_amphora_flow.add(database_tasks.MarkAmphoraDeletedInDB(
rebind={constants.AMPHORA: constants.FAILED_AMPHORA},
requires=constants.AMPHORA))
# If this is an unallocated amp (spares pool), we're done
if status != constants.AMPHORA_ALLOCATED:
return failover_amphora_flow
# Save failed amphora details for later
failover_amphora_flow.add(
database_tasks.GetAmphoraDetails(
rebind={constants.AMPHORA: constants.FAILED_AMPHORA},
requires=constants.AMPHORA,
provides=constants.AMP_DATA))
# Get a new amphora
# Note: Role doesn't matter here. We will update it later.
get_amp_subflow = self.get_amphora_for_lb_subflow(
prefix=constants.FAILOVER_AMPHORA_FLOW)
failover_amphora_flow.add(get_amp_subflow)
# Update the new amphora with the failed amphora details
failover_amphora_flow.add(database_tasks.UpdateAmpFailoverDetails(
requires=(constants.AMPHORA, constants.AMP_DATA)))
failover_amphora_flow.add(database_tasks.ReloadLoadBalancer(
requires=constants.LOADBALANCER_ID,
provides=constants.LOADBALANCER))
failover_amphora_flow.add(network_tasks.GetAmphoraeNetworkConfigs(
requires=constants.LOADBALANCER,
provides=constants.AMPHORAE_NETWORK_CONFIG))
failover_amphora_flow.add(database_tasks.GetListenersFromLoadbalancer(
requires=constants.LOADBALANCER, provides=constants.LISTENERS))
failover_amphora_flow.add(amphora_driver_tasks.ListenersUpdate(
requires=(constants.LOADBALANCER, constants.LISTENERS)))
# Plug the VIP ports into the new amphora
failover_amphora_flow.add(network_tasks.PlugVIPPort(
requires=(constants.AMPHORA, constants.AMPHORAE_NETWORK_CONFIG)))
failover_amphora_flow.add(amphora_driver_tasks.AmphoraPostVIPPlug(
requires=(constants.AMPHORA, constants.LOADBALANCER,
constants.AMPHORAE_NETWORK_CONFIG)))
# Plug the member networks into the new amphora
failover_amphora_flow.add(network_tasks.CalculateDelta(
requires=constants.LOADBALANCER, provides=constants.DELTAS))
failover_amphora_flow.add(network_tasks.HandleNetworkDeltas(
requires=constants.DELTAS, provides=constants.ADDED_PORTS))
failover_amphora_flow.add(amphora_driver_tasks.AmphoraePostNetworkPlug(
requires=(constants.LOADBALANCER, constants.ADDED_PORTS)))
# Handle the amphora role and VRRP if necessary
if role == constants.ROLE_MASTER:
failover_amphora_flow.add(database_tasks.MarkAmphoraMasterInDB(
name=constants.MARK_AMP_MASTER_INDB,
requires=constants.AMPHORA))
vrrp_subflow = self.get_vrrp_subflow(role)
failover_amphora_flow.add(vrrp_subflow)
elif role == constants.ROLE_BACKUP:
failover_amphora_flow.add(database_tasks.MarkAmphoraBackupInDB(
name=constants.MARK_AMP_BACKUP_INDB,
requires=constants.AMPHORA))
vrrp_subflow = self.get_vrrp_subflow(role)
failover_amphora_flow.add(vrrp_subflow)
elif role == constants.ROLE_STANDALONE:
failover_amphora_flow.add(
database_tasks.MarkAmphoraStandAloneInDB(
name=constants.MARK_AMP_STANDALONE_INDB,
requires=constants.AMPHORA))
failover_amphora_flow.add(amphora_driver_tasks.ListenersStart(
requires=(constants.LOADBALANCER, constants.LISTENERS)))
return failover_amphora_flow
def get_failover_flow(self,
role=constants.ROLE_STANDALONE,
load_balancer_id=None):
"""Creates a flow to failover a stale amphora
:returns: The flow for amphora failover
"""
failover_amphora_flow = linear_flow.Flow(
constants.FAILOVER_AMPHORA_FLOW)
failover_amphora_flow.add(
lifecycle_tasks.AmphoraToErrorOnRevertTask(
rebind={constants.AMPHORA: constants.FAILED_AMPHORA},
requires=constants.AMPHORA))
# Note: It seems intuitive to boot an amphora prior to deleting
# the old amphora, however this is a complicated issue.
# If the target host (due to anit-affinity) is resource
# constrained, this will fail where a post-delete will
# succeed. Since this is async with the API it would result
# in the LB ending in ERROR though the amps are still alive.
# Consider in the future making this a complicated
# try-on-failure-retry flow, or move upgrade failovers to be
# synchronous with the API. For now spares pool and act/stdby
# will mitigate most of this delay.
# Delete the old amphora
failover_amphora_flow.add(
database_tasks.MarkAmphoraPendingDeleteInDB(
rebind={constants.AMPHORA: constants.FAILED_AMPHORA},
requires=constants.AMPHORA))
failover_amphora_flow.add(
database_tasks.MarkAmphoraHealthBusy(
rebind={constants.AMPHORA: constants.FAILED_AMPHORA},
requires=constants.AMPHORA))
failover_amphora_flow.add(
compute_tasks.ComputeDelete(
rebind={constants.AMPHORA: constants.FAILED_AMPHORA},
requires=constants.AMPHORA))
failover_amphora_flow.add(
network_tasks.WaitForPortDetach(
rebind={constants.AMPHORA: constants.FAILED_AMPHORA},
requires=constants.AMPHORA))
failover_amphora_flow.add(
database_tasks.MarkAmphoraDeletedInDB(
rebind={constants.AMPHORA: constants.FAILED_AMPHORA},
requires=constants.AMPHORA))
# If this is an unallocated amp (spares pool), we're done
if not load_balancer_id:
failover_amphora_flow.add(
database_tasks.DisableAmphoraHealthMonitoring(
rebind={constants.AMPHORA: constants.FAILED_AMPHORA},
requires=constants.AMPHORA))
return failover_amphora_flow
# Save failed amphora details for later
failover_amphora_flow.add(
database_tasks.GetAmphoraDetails(
rebind={constants.AMPHORA: constants.FAILED_AMPHORA},
requires=constants.AMPHORA,
provides=constants.AMP_DATA))
# Get a new amphora
# Note: Role doesn't matter here. We will update it later.
get_amp_subflow = self.get_amphora_for_lb_subflow(
prefix=constants.FAILOVER_AMPHORA_FLOW)
failover_amphora_flow.add(get_amp_subflow)
# Update the new amphora with the failed amphora details
failover_amphora_flow.add(
database_tasks.UpdateAmpFailoverDetails(
requires=(constants.AMPHORA, constants.AMP_DATA)))
# Update the data stored in the flow from the database
failover_amphora_flow.add(
database_tasks.ReloadLoadBalancer(
requires=constants.LOADBALANCER_ID,
provides=constants.LOADBALANCER))
failover_amphora_flow.add(
database_tasks.ReloadAmphora(requires=constants.AMPHORA_ID,
provides=constants.AMPHORA))
# Prepare to reconnect the network interface(s)
failover_amphora_flow.add(
network_tasks.GetAmphoraeNetworkConfigs(
requires=constants.LOADBALANCER,
provides=constants.AMPHORAE_NETWORK_CONFIG))
failover_amphora_flow.add(
database_tasks.GetListenersFromLoadbalancer(
requires=constants.LOADBALANCER, provides=constants.LISTENERS))
failover_amphora_flow.add(
amphora_driver_tasks.ListenersUpdate(
requires=(constants.LOADBALANCER, constants.LISTENERS)))
# Plug the VIP ports into the new amphora
failover_amphora_flow.add(
network_tasks.PlugVIPPort(
requires=(constants.AMPHORA,
constants.AMPHORAE_NETWORK_CONFIG)))
failover_amphora_flow.add(
amphora_driver_tasks.AmphoraPostVIPPlug(
requires=(constants.AMPHORA, constants.LOADBALANCER,
constants.AMPHORAE_NETWORK_CONFIG)))
# Plug the member networks into the new amphora
failover_amphora_flow.add(
network_tasks.CalculateDelta(requires=constants.LOADBALANCER,
provides=constants.DELTAS))
failover_amphora_flow.add(
network_tasks.HandleNetworkDeltas(requires=constants.DELTAS,
provides=constants.ADDED_PORTS))
failover_amphora_flow.add(
amphora_driver_tasks.AmphoraePostNetworkPlug(
requires=(constants.LOADBALANCER, constants.ADDED_PORTS)))
# Handle the amphora role and VRRP if necessary
if role == constants.ROLE_MASTER:
failover_amphora_flow.add(
database_tasks.MarkAmphoraMasterInDB(
name=constants.MARK_AMP_MASTER_INDB,
requires=constants.AMPHORA))
vrrp_subflow = self.get_vrrp_subflow(role)
failover_amphora_flow.add(vrrp_subflow)
elif role == constants.ROLE_BACKUP:
failover_amphora_flow.add(
database_tasks.MarkAmphoraBackupInDB(
name=constants.MARK_AMP_BACKUP_INDB,
requires=constants.AMPHORA))
vrrp_subflow = self.get_vrrp_subflow(role)
failover_amphora_flow.add(vrrp_subflow)
elif role == constants.ROLE_STANDALONE:
failover_amphora_flow.add(
database_tasks.MarkAmphoraStandAloneInDB(
name=constants.MARK_AMP_STANDALONE_INDB,
requires=constants.AMPHORA))
failover_amphora_flow.add(
amphora_driver_tasks.ListenersStart(
requires=(constants.LOADBALANCER, constants.LISTENERS)))
failover_amphora_flow.add(
database_tasks.DisableAmphoraHealthMonitoring(
rebind={constants.AMPHORA: constants.FAILED_AMPHORA},
requires=constants.AMPHORA))
return failover_amphora_flow
def get_batch_update_members_flow(self, old_members, new_members,
updated_members):
"""Create a flow to batch update members
:returns: The flow for batch updating members
"""
batch_update_members_flow = linear_flow.Flow(
constants.BATCH_UPDATE_MEMBERS_FLOW)
unordered_members_flow = unordered_flow.Flow(
constants.UNORDERED_MEMBER_UPDATES_FLOW)
unordered_members_active_flow = unordered_flow.Flow(
constants.UNORDERED_MEMBER_ACTIVE_FLOW)
# Delete old members
unordered_members_flow.add(
lifecycle_tasks.MembersToErrorOnRevertTask(
inject={constants.MEMBERS: old_members},
name='{flow}-deleted'.format(
flow=constants.MEMBER_TO_ERROR_ON_REVERT_FLOW)))
for m in old_members:
unordered_members_flow.add(
model_tasks.DeleteModelObject(
inject={constants.OBJECT: m},
name='{flow}-{id}'.format(
id=m.id, flow=constants.DELETE_MODEL_OBJECT_FLOW)))
unordered_members_flow.add(
database_tasks.DeleteMemberInDB(
inject={constants.MEMBER: m},
name='{flow}-{id}'.format(
id=m.id, flow=constants.DELETE_MEMBER_INDB)))
unordered_members_flow.add(
database_tasks.DecrementMemberQuota(
inject={constants.MEMBER: m},
name='{flow}-{id}'.format(
id=m.id, flow=constants.DECREMENT_MEMBER_QUOTA_FLOW)))
# Create new members
unordered_members_flow.add(
lifecycle_tasks.MembersToErrorOnRevertTask(
inject={constants.MEMBERS: new_members},
name='{flow}-created'.format(
flow=constants.MEMBER_TO_ERROR_ON_REVERT_FLOW)))
for m in new_members:
unordered_members_active_flow.add(
database_tasks.MarkMemberActiveInDB(
inject={constants.MEMBER: m},
name='{flow}-{id}'.format(
id=m.id, flow=constants.MARK_MEMBER_ACTIVE_INDB)))
# Update existing members
unordered_members_flow.add(
lifecycle_tasks.MembersToErrorOnRevertTask(
# updated_members is a list of (obj, dict), only pass `obj`
inject={constants.MEMBERS: [m[0] for m in updated_members]},
name='{flow}-updated'.format(
flow=constants.MEMBER_TO_ERROR_ON_REVERT_FLOW)))
for m, um in updated_members:
um.pop('id', None)
unordered_members_flow.add(
model_tasks.UpdateAttributes(
inject={
constants.OBJECT: m,
constants.UPDATE_DICT: um
},
name='{flow}-{id}'.format(
id=m.id, flow=constants.UPDATE_ATTRIBUTES_FLOW)))
unordered_members_flow.add(
database_tasks.UpdateMemberInDB(
inject={
constants.MEMBER: m,
constants.UPDATE_DICT: um
},
name='{flow}-{id}'.format(
id=m.id, flow=constants.UPDATE_MEMBER_INDB)))
unordered_members_active_flow.add(
database_tasks.MarkMemberActiveInDB(
inject={constants.MEMBER: m},
name='{flow}-{id}'.format(
id=m.id, flow=constants.MARK_MEMBER_ACTIVE_INDB)))
batch_update_members_flow.add(unordered_members_flow)
# Done, do real updates
batch_update_members_flow.add(
network_tasks.CalculateDelta(requires=constants.LOADBALANCER,
provides=constants.DELTAS))
batch_update_members_flow.add(
network_tasks.HandleNetworkDeltas(requires=constants.DELTAS,
provides=constants.ADDED_PORTS))
batch_update_members_flow.add(
amphora_driver_tasks.AmphoraePostNetworkPlug(
requires=(constants.LOADBALANCER, constants.ADDED_PORTS)))
# Update the Listener (this makes the changes active on the Amp)
batch_update_members_flow.add(
amphora_driver_tasks.ListenersUpdate(
requires=(constants.LOADBALANCER, constants.LISTENERS)))
# Mark all the members ACTIVE here, then pool then LB/Listeners
batch_update_members_flow.add(unordered_members_active_flow)
batch_update_members_flow.add(
database_tasks.MarkPoolActiveInDB(requires=constants.POOL))
batch_update_members_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=(constants.LOADBALANCER, constants.LISTENERS)))
return batch_update_members_flow
