def get_create_amphora_for_lb_flow(self): """Creates a flow to create an amphora for a load balancer. This flow is used when there are no spare amphora available for a new load balancer. It builds an amphora and allocates for the specific load balancer. :returns: The The flow for creating the amphora """ create_amp_for_lb_flow = linear_flow.Flow( constants.CREATE_AMPHORA_FOR_LB_FLOW) create_amp_for_lb_flow.add( database_tasks.CreateAmphoraInDB(provides=constants.AMPHORA_ID)) if self.REST_AMPHORA_DRIVER: create_amp_for_lb_flow.add( cert_task.GenerateServerPEMTask(provides=constants.SERVER_PEM)) create_amp_for_lb_flow.add( compute_tasks.CertComputeCreate( requires=(constants.AMPHORA_ID, constants.SERVER_PEM), provides=constants.COMPUTE_ID)) else: create_amp_for_lb_flow.add( compute_tasks.ComputeCreate(requires=constants.AMPHORA_ID, provides=constants.COMPUTE_ID)) create_amp_for_lb_flow.add( database_tasks.UpdateAmphoraComputeId( requires=(constants.AMPHORA_ID, constants.COMPUTE_ID))) create_amp_for_lb_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)) create_amp_for_lb_flow.add(wait_flow) create_amp_for_lb_flow.add( amphora_driver_tasks.AmphoraFinalize(requires=constants.AMPHORA)) create_amp_for_lb_flow.add( database_tasks.MarkAmphoraAllocatedInDB( requires=(constants.AMPHORA, constants.LOADBALANCER_ID))) create_amp_for_lb_flow.add( database_tasks.ReloadAmphora(requires=constants.AMPHORA_ID, provides=constants.AMPHORA)) create_amp_for_lb_flow.add( database_tasks.ReloadLoadBalancer( name=constants.RELOAD_LB_AFTER_AMP_ASSOC, requires=constants.LOADBALANCER_ID, provides=constants.LOADBALANCER)) new_LB_net_subflow = self._lb_flows.get_new_LB_networking_subflow() create_amp_for_lb_flow.add(new_LB_net_subflow) create_amp_for_lb_flow.add( database_tasks.MarkLBActiveInDB(requires=constants.LOADBALANCER)) return create_amp_for_lb_flow
def _get_vthunder_for_amphora_subflow(self, prefix, role): """Create amphora in existing vThunder.""" sf_name = prefix + '-' + 'VTHUNDER_TO_AMPHORA_SUBFLOW' vthunder_for_amphora_subflow = linear_flow.Flow(sf_name) vthunder_for_amphora_subflow.add(database_tasks.CreateAmphoraInDB( name=sf_name + '-' + constants.CREATE_AMPHORA_INDB, provides=constants.AMPHORA_ID)) vthunder_for_amphora_subflow.add(a10_database_tasks.GetComputeForProject( name=sf_name + '-' + 'get_compute_id', requires=constants.LOADBALANCER, provides=constants.COMPUTE_ID)) vthunder_for_amphora_subflow.add(database_tasks.UpdateAmphoraComputeId( name=sf_name + '-' + constants.UPDATE_AMPHORA_COMPUTEID, requires=(constants.AMPHORA_ID, constants.COMPUTE_ID))) vthunder_for_amphora_subflow.add(compute_tasks.ComputeActiveWait( name=sf_name + '-' + constants.COMPUTE_WAIT, requires=(constants.COMPUTE_ID, constants.AMPHORA_ID), provides=constants.COMPUTE_OBJ)) vthunder_for_amphora_subflow.add(database_tasks.UpdateAmphoraInfo( name=sf_name + '-' + constants.UPDATE_AMPHORA_INFO, requires=(constants.AMPHORA_ID, constants.COMPUTE_OBJ), provides=constants.AMPHORA)) # create vThunder entry in custom DB vthunder_for_amphora_subflow.add(a10_database_tasks.CreateVThunderEntry( name=sf_name + '-' + 'set load balancer status PENDING_CREATE', requires=(constants.AMPHORA, constants.LOADBALANCER), inject={"role": role, "status": constants.PENDING_CREATE})) # Get VThunder details from database vthunder_for_amphora_subflow.add(a10_database_tasks.GetVThunderByLoadBalancer( name=sf_name + '-' + 'Get_Loadbalancer_from_db', requires=constants.LOADBALANCER, provides=a10constants.VTHUNDER)) vthunder_for_amphora_subflow.add( database_tasks.MarkAmphoraAllocatedInDB( name=sf_name + '-' + constants.MARK_AMPHORA_ALLOCATED_INDB, requires=(constants.AMPHORA, constants.LOADBALANCER_ID))) vthunder_for_amphora_subflow.add(database_tasks.ReloadAmphora( name=sf_name + '-' + constants.RELOAD_AMPHORA, requires=constants.AMPHORA_ID, provides=constants.AMPHORA)) if role == constants.ROLE_MASTER: vthunder_for_amphora_subflow.add(database_tasks.MarkAmphoraMasterInDB( name=sf_name + '-' + constants.MARK_AMP_MASTER_INDB, requires=constants.AMPHORA)) elif role == constants.ROLE_BACKUP: vthunder_for_amphora_subflow.add(database_tasks.MarkAmphoraBackupInDB( name=sf_name + '-' + constants.MARK_AMP_BACKUP_INDB, requires=constants.AMPHORA)) elif role == constants.ROLE_STANDALONE: vthunder_for_amphora_subflow.add( database_tasks.MarkAmphoraStandAloneInDB( name=sf_name + '-' + constants.MARK_AMP_STANDALONE_INDB, requires=constants.AMPHORA)) return vthunder_for_amphora_subflow
def get_create_vthunder_flow(self): """Flow to create a spare amphora.""" create_vthunder_flow = linear_flow.Flow(constants.CREATE_AMPHORA_FLOW) sf_name = a10constants.SPARE_VTHUNDER_CREATE create_vthunder_flow.add( database_tasks.CreateAmphoraInDB(name=sf_name + '-' + constants.CREATE_AMPHORA_INDB, provides=constants.AMPHORA_ID)) create_vthunder_flow.add( compute_tasks.ComputeCreate(name=sf_name + '-' + constants.COMPUTE_CREATE, requires=( constants.AMPHORA_ID, constants.BUILD_TYPE_PRIORITY, ), provides=constants.COMPUTE_ID)) create_vthunder_flow.add( database_tasks.UpdateAmphoraComputeId( name=sf_name + '-' + constants.UPDATE_AMPHORA_COMPUTEID, requires=(constants.AMPHORA_ID, constants.COMPUTE_ID))) create_vthunder_flow.add( database_tasks.MarkAmphoraBootingInDB( name=sf_name + '-' + constants.MARK_AMPHORA_BOOTING_INDB, requires=(constants.AMPHORA_ID, constants.COMPUTE_ID))) create_vthunder_flow.add( compute_tasks.ComputeActiveWait( name=sf_name + '-' + constants.COMPUTE_WAIT, requires=(constants.COMPUTE_ID, constants.AMPHORA_ID), provides=constants.COMPUTE_OBJ)) create_vthunder_flow.add( database_tasks.UpdateAmphoraInfo( name=sf_name + '-' + constants.UPDATE_AMPHORA_INFO, requires=(constants.AMPHORA_ID, constants.COMPUTE_OBJ), provides=constants.AMPHORA)) create_vthunder_flow.add( a10_database_tasks.CreateSpareVThunderEntry( requires=(constants.AMPHORA), provides=a10constants.VTHUNDER)) create_vthunder_flow.add( vthunder_tasks.VThunderComputeConnectivityWait( name=sf_name + '-' + constants.AMP_COMPUTE_CONNECTIVITY_WAIT, requires=(a10constants.VTHUNDER, constants.AMPHORA))) return create_vthunder_flow
def _get_vthunder_for_amphora_subflow(self, prefix, role): """Subflow to create lb in existing vThunder.""" sf_name = prefix + '-' + a10constants.LB_TO_VTHUNDER_SUBFLOW vthunder_for_amphora_subflow = linear_flow.Flow(sf_name) vthunder_for_amphora_subflow.add( database_tasks.CreateAmphoraInDB(name=sf_name + '-' + constants.CREATE_AMPHORA_INDB, provides=constants.AMPHORA_ID)) vthunder_for_amphora_subflow.add( a10_database_tasks.ValidateComputeForProject( name=sf_name + '-' + a10constants.VALIDATE_COMPUTE_FOR_PROJECT, requires=constants.LOADBALANCER, inject={"role": role}, provides=constants.COMPUTE_ID)) vthunder_for_amphora_subflow.add( database_tasks.UpdateAmphoraComputeId( name=sf_name + '-' + constants.UPDATE_AMPHORA_COMPUTEID, requires=(constants.AMPHORA_ID, constants.COMPUTE_ID))) vthunder_for_amphora_subflow.add( compute_tasks.ComputeActiveWait( name=sf_name + '-' + constants.COMPUTE_WAIT, requires=(constants.COMPUTE_ID, constants.AMPHORA_ID), provides=constants.COMPUTE_OBJ)) vthunder_for_amphora_subflow.add( database_tasks.UpdateAmphoraInfo( name=sf_name + '-' + constants.UPDATE_AMPHORA_INFO, requires=(constants.AMPHORA_ID, constants.COMPUTE_OBJ), provides=constants.AMPHORA)) # create vThunder entry in custom DB vthunder_for_amphora_subflow.add( a10_database_tasks.CreateVThunderEntry( name=sf_name + '-' + a10constants.CREATE_VTHUNDER_ENTRY, requires=(constants.AMPHORA, constants.LOADBALANCER), inject={ "role": role, "status": constants.PENDING_CREATE })) # Get VThunder details from database vthunder_for_amphora_subflow.add( a10_database_tasks.GetVThunderByLoadBalancer( name=sf_name + '-' + a10constants.VTHUNDER_BY_LB, requires=constants.LOADBALANCER, provides=a10constants.VTHUNDER)) vthunder_for_amphora_subflow.add( database_tasks.ReloadLoadBalancer( name=sf_name + '-' + constants.RELOADLOAD_BALANCER, requires=constants.LOADBALANCER_ID, provides=constants.LOADBALANCER)) vthunder_for_amphora_subflow.add( a10_network_tasks.GetLBResourceSubnet( name=sf_name + '-' + a10constants.GET_LB_RESOURCE, rebind={a10constants.LB_RESOURCE: constants.LOADBALANCER}, provides=constants.SUBNET)) vthunder_for_amphora_subflow.add( a10_database_tasks.GetChildProjectsOfParentPartition( name=sf_name + '-' + a10constants.GET_PROJECT_COUNT, requires=[a10constants.VTHUNDER], rebind={a10constants.LB_RESOURCE: constants.LOADBALANCER}, provides=a10constants.PARTITION_PROJECT_LIST)) vthunder_for_amphora_subflow.add( a10_database_tasks.CountLoadbalancersInProjectBySubnet( name=sf_name + '-' + a10constants.GET_LB_COUNT_SUBNET, requires=[ constants.SUBNET, a10constants.PARTITION_PROJECT_LIST ], provides=a10constants.LB_COUNT_SUBNET)) vthunder_for_amphora_subflow.add( a10_network_tasks.AllocateVIP( name=sf_name + '-' + a10constants.ALLOCATE_VIP, requires=[ constants.LOADBALANCER, a10constants.LB_COUNT_SUBNET ], provides=constants.VIP)) vthunder_for_amphora_subflow.add( database_tasks.UpdateVIPAfterAllocation( name=sf_name + '-' + a10constants.UPDATE_VIP_AFTER_ALLOCATION, requires=(constants.LOADBALANCER_ID, constants.VIP), provides=constants.LOADBALANCER)) vthunder_for_amphora_subflow.add( database_tasks.MarkAmphoraAllocatedInDB( name=sf_name + '-' + constants.MARK_AMPHORA_ALLOCATED_INDB, requires=(constants.AMPHORA, constants.LOADBALANCER_ID))) vthunder_for_amphora_subflow.add( database_tasks.ReloadAmphora(name=sf_name + '-' + constants.RELOAD_AMPHORA, requires=constants.AMPHORA_ID, provides=constants.AMPHORA)) vthunder_for_amphora_subflow.add( vthunder_tasks.AllowL2DSR( name=sf_name + '-' + a10constants.ALLOW_L2DSR, requires=(constants.SUBNET, constants.AMPHORA))) if role == constants.ROLE_MASTER: vthunder_for_amphora_subflow.add( database_tasks.MarkAmphoraMasterInDB( name=sf_name + '-' + constants.MARK_AMP_MASTER_INDB, requires=constants.AMPHORA)) elif role == constants.ROLE_BACKUP: vthunder_for_amphora_subflow.add( database_tasks.MarkAmphoraBackupInDB( name=sf_name + '-' + constants.MARK_AMP_BACKUP_INDB, requires=constants.AMPHORA)) elif role == constants.ROLE_STANDALONE: vthunder_for_amphora_subflow.add( database_tasks.MarkAmphoraStandAloneInDB( name=sf_name + '-' + constants.MARK_AMP_STANDALONE_INDB, requires=constants.AMPHORA)) return vthunder_for_amphora_subflow
def _get_create_amp_for_lb_subflow(self, prefix, role): """Flow to create a new vThunder for lb.""" sf_name = prefix + '-' + constants.CREATE_AMP_FOR_LB_SUBFLOW create_amp_for_lb_subflow = linear_flow.Flow(sf_name) create_amp_for_lb_subflow.add( database_tasks.CreateAmphoraInDB(name=sf_name + '-' + constants.CREATE_AMPHORA_INDB, provides=constants.AMPHORA_ID)) # VIP subnet integration at bootup create_amp_for_lb_subflow.add( database_tasks.ReloadLoadBalancer( name=sf_name + '-' + constants.RELOADLOAD_BALANCER, requires=constants.LOADBALANCER_ID, provides=constants.LOADBALANCER)) require_server_group_id_condition = ( role in (constants.ROLE_BACKUP, constants.ROLE_MASTER) and CONF.a10_nova.enable_anti_affinity) if require_server_group_id_condition: create_amp_for_lb_subflow.add( compute_tasks.ComputeCreate( name=sf_name + '-' + constants.COMPUTE_CREATE, requires=(constants.AMPHORA_ID, constants.BUILD_TYPE_PRIORITY, constants.SERVER_GROUP_ID, constants.LOADBALANCER), provides=constants.COMPUTE_ID)) else: create_amp_for_lb_subflow.add( compute_tasks.ComputeCreate( name=sf_name + '-' + constants.COMPUTE_CREATE, requires=(constants.AMPHORA_ID, constants.BUILD_TYPE_PRIORITY, constants.LOADBALANCER), provides=constants.COMPUTE_ID)) create_amp_for_lb_subflow.add( database_tasks.UpdateAmphoraComputeId( name=sf_name + '-' + constants.UPDATE_AMPHORA_COMPUTEID, requires=(constants.AMPHORA_ID, constants.COMPUTE_ID))) create_amp_for_lb_subflow.add( database_tasks.MarkAmphoraBootingInDB( name=sf_name + '-' + constants.MARK_AMPHORA_BOOTING_INDB, requires=(constants.AMPHORA_ID, constants.COMPUTE_ID))) create_amp_for_lb_subflow.add( compute_tasks.ComputeActiveWait( name=sf_name + '-' + constants.COMPUTE_WAIT, requires=(constants.COMPUTE_ID, constants.AMPHORA_ID), provides=constants.COMPUTE_OBJ)) create_amp_for_lb_subflow.add( database_tasks.UpdateAmphoraInfo( name=sf_name + '-' + constants.UPDATE_AMPHORA_INFO, requires=(constants.AMPHORA_ID, constants.COMPUTE_OBJ), provides=constants.AMPHORA)) # create vThunder entry in custom DB create_amp_for_lb_subflow.add( a10_database_tasks.CreateVThunderEntry( name=sf_name + '-' + a10constants.CREATE_VTHUNDER_ENTRY, requires=(constants.AMPHORA, constants.LOADBALANCER), inject={ a10constants.ROLE: role, a10constants.STATUS: constants.PENDING_CREATE })) # Get VThunder details from database create_amp_for_lb_subflow.add( a10_database_tasks.GetVThunderByLoadBalancer( name=sf_name + '-' + a10constants.VTHUNDER_BY_LB, requires=constants.LOADBALANCER, provides=a10constants.VTHUNDER)) create_amp_for_lb_subflow.add( vthunder_tasks.VThunderComputeConnectivityWait( name=sf_name + '-' + a10constants.WAIT_FOR_VTHUNDER_CONNECTIVITY, requires=(a10constants.VTHUNDER, constants.AMPHORA))) create_amp_for_lb_subflow.add( database_tasks.MarkAmphoraAllocatedInDB( name=sf_name + '-' + constants.MARK_AMPHORA_ALLOCATED_INDB, requires=(constants.AMPHORA, constants.LOADBALANCER_ID))) create_amp_for_lb_subflow.add( database_tasks.ReloadAmphora(name=sf_name + '-' + constants.RELOAD_AMPHORA, requires=constants.AMPHORA_ID, provides=constants.AMPHORA)) create_amp_for_lb_subflow.add( a10_network_tasks.GetLBResourceSubnet( name=sf_name + '-' + a10constants.GET_LB_RESOURCE, rebind={a10constants.LB_RESOURCE: constants.LOADBALANCER}, provides=constants.SUBNET)) create_amp_for_lb_subflow.add( vthunder_tasks.AllowL2DSR( name=sf_name + '-' + a10constants.ALLOW_L2DSR, requires=(constants.SUBNET, constants.AMPHORA))) if role == constants.ROLE_MASTER: create_amp_for_lb_subflow.add( database_tasks.MarkAmphoraMasterInDB( name=sf_name + '-' + constants.MARK_AMP_MASTER_INDB, requires=constants.AMPHORA)) elif role == constants.ROLE_BACKUP: create_amp_for_lb_subflow.add( database_tasks.MarkAmphoraBackupInDB( name=sf_name + '-' + constants.MARK_AMP_BACKUP_INDB, requires=constants.AMPHORA)) elif role == constants.ROLE_STANDALONE: create_amp_for_lb_subflow.add( database_tasks.MarkAmphoraStandAloneInDB( name=sf_name + '-' + constants.MARK_AMP_STANDALONE_INDB, requires=constants.AMPHORA)) return create_amp_for_lb_subflow
def _get_create_amp_for_lb_subflow(self, prefix, role): """Create a new amphora for lb.""" sf_name = prefix + '-' + constants.CREATE_AMP_FOR_LB_SUBFLOW create_amp_for_lb_subflow = linear_flow.Flow(sf_name) create_amp_for_lb_subflow.add(database_tasks.CreateAmphoraInDB( name=sf_name + '-' + constants.CREATE_AMPHORA_INDB, provides=constants.AMPHORA_ID)) anti_affinity = CONF.nova.enable_anti_affinity if self.REST_AMPHORA_DRIVER: create_amp_for_lb_subflow.add(cert_task.GenerateServerPEMTask( name=sf_name + '-' + constants.GENERATE_SERVER_PEM, provides=constants.SERVER_PEM)) create_amp_for_lb_subflow.add( database_tasks.UpdateAmphoraDBCertExpiration( name=sf_name + '-' + constants.UPDATE_CERT_EXPIRATION, requires=(constants.AMPHORA_ID, constants.SERVER_PEM))) if role in (constants.ROLE_BACKUP, constants.ROLE_MASTER ) and anti_affinity: create_amp_for_lb_subflow.add(compute_tasks.CertComputeCreate( name=sf_name + '-' + constants.CERT_COMPUTE_CREATE, requires=(constants.AMPHORA_ID, constants.SERVER_PEM, constants.SERVER_GROUP_ID), provides=constants.COMPUTE_ID)) else: create_amp_for_lb_subflow.add(compute_tasks.CertComputeCreate( name=sf_name + '-' + constants.CERT_COMPUTE_CREATE, requires=(constants.AMPHORA_ID, constants.SERVER_PEM), provides=constants.COMPUTE_ID)) else: if role in (constants.ROLE_BACKUP, constants.ROLE_MASTER ) and anti_affinity: create_amp_for_lb_subflow.add(compute_tasks.ComputeCreate( name=sf_name + '-' + constants.COMPUTE_CREATE, requires=(constants.AMPHORA_ID, constants.SERVER_GROUP_ID), provides=constants.COMPUTE_ID)) else: create_amp_for_lb_subflow.add(compute_tasks.ComputeCreate( name=sf_name + '-' + constants.COMPUTE_CREATE, requires=constants.AMPHORA_ID, provides=constants.COMPUTE_ID)) create_amp_for_lb_subflow.add(database_tasks.UpdateAmphoraComputeId( name=sf_name + '-' + constants.UPDATE_AMPHORA_COMPUTEID, requires=(constants.AMPHORA_ID, constants.COMPUTE_ID))) create_amp_for_lb_subflow.add(database_tasks.MarkAmphoraBootingInDB( name=sf_name + '-' + constants.MARK_AMPHORA_BOOTING_INDB, requires=(constants.AMPHORA_ID, constants.COMPUTE_ID))) create_amp_for_lb_subflow.add(compute_tasks.ComputeWait( name=sf_name + '-' + constants.COMPUTE_WAIT, requires=constants.COMPUTE_ID, provides=constants.COMPUTE_OBJ)) create_amp_for_lb_subflow.add(database_tasks.UpdateAmphoraInfo( name=sf_name + '-' + constants.UPDATE_AMPHORA_INFO, requires=(constants.AMPHORA_ID, constants.COMPUTE_OBJ), provides=constants.AMPHORA)) create_amp_for_lb_subflow.add(amphora_driver_tasks.AmphoraFinalize( name=sf_name + '-' + constants.AMPHORA_FINALIZE, requires=constants.AMPHORA)) create_amp_for_lb_subflow.add( database_tasks.MarkAmphoraAllocatedInDB( name=sf_name + '-' + constants.MARK_AMPHORA_ALLOCATED_INDB, requires=(constants.AMPHORA, constants.LOADBALANCER_ID))) create_amp_for_lb_subflow.add(database_tasks.ReloadAmphora( name=sf_name + '-' + constants.RELOAD_AMPHORA, requires=constants.AMPHORA_ID, provides=constants.AMPHORA)) if role == constants.ROLE_MASTER: create_amp_for_lb_subflow.add(database_tasks.MarkAmphoraMasterInDB( name=sf_name + '-' + constants.MARK_AMP_MASTER_INDB, requires=constants.AMPHORA)) elif role == constants.ROLE_BACKUP: create_amp_for_lb_subflow.add(database_tasks.MarkAmphoraBackupInDB( name=sf_name + '-' + constants.MARK_AMP_BACKUP_INDB, requires=constants.AMPHORA)) elif role == constants.ROLE_STANDALONE: create_amp_for_lb_subflow.add( database_tasks.MarkAmphoraStandAloneInDB( name=sf_name + '-' + constants.MARK_AMP_STANDALONE_INDB, requires=constants.AMPHORA)) return create_amp_for_lb_subflow
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