def get_new_LB_networking_subflow(self): """Create a sub-flow to setup networking. :returns: The flow to setup networking for a new amphora """ new_LB_net_subflow = linear_flow.Flow(constants. LOADBALANCER_NETWORKING_SUBFLOW) new_LB_net_subflow.add(network_tasks.AllocateVIP( requires=constants.LOADBALANCER, provides=constants.VIP)) new_LB_net_subflow.add(database_tasks.UpdateVIPAfterAllocation( requires=(constants.LOADBALANCER_ID, constants.VIP), provides=constants.LOADBALANCER)) new_LB_net_subflow.add(network_tasks.PlugVIP( requires=constants.LOADBALANCER, provides=constants.AMPS_DATA)) new_LB_net_subflow.add(database_tasks.UpdateAmphoraVIPData( requires=constants.AMPS_DATA)) new_LB_net_subflow.add(database_tasks.ReloadLoadBalancer( name=constants.RELOAD_LB_AFTER_PLUG_VIP, requires=constants.LOADBALANCER_ID, provides=constants.LOADBALANCER)) new_LB_net_subflow.add(network_tasks.GetAmphoraeNetworkConfigs( requires=constants.LOADBALANCER, provides=constants.AMPHORAE_NETWORK_CONFIG)) new_LB_net_subflow.add(amphora_driver_tasks.AmphoraPostVIPPlug( requires=(constants.LOADBALANCER, constants.AMPHORAE_NETWORK_CONFIG))) return new_LB_net_subflow
def get_create_load_balancer_flow(self, topology, listeners=None): """Creates a conditional graph flow that allocates a loadbalancer to two spare amphorae. :raises InvalidTopology: Invalid topology specified :return: The graph flow for creating a loadbalancer. """ f_name = constants.CREATE_LOADBALANCER_FLOW lb_create_flow = linear_flow.Flow(f_name) lb_create_flow.add(lifecycle_tasks.LoadBalancerIDToErrorOnRevertTask( requires=constants.LOADBALANCER_ID)) # allocate VIP lb_create_flow.add(database_tasks.ReloadLoadBalancer( name=constants.RELOAD_LB_BEFOR_ALLOCATE_VIP, requires=constants.LOADBALANCER_ID, provides=constants.LOADBALANCER )) lb_create_flow.add(network_tasks.AllocateVIP( requires=constants.LOADBALANCER, provides=constants.VIP)) lb_create_flow.add(database_tasks.UpdateVIPAfterAllocation( requires=(constants.LOADBALANCER_ID, constants.VIP), provides=constants.LOADBALANCER)) lb_create_flow.add(network_tasks.UpdateVIPSecurityGroup( requires=constants.LOADBALANCER)) lb_create_flow.add(network_tasks.GetSubnetFromVIP( requires=constants.LOADBALANCER, provides=constants.SUBNET)) if topology == constants.TOPOLOGY_ACTIVE_STANDBY: lb_create_flow.add(*self._create_active_standby_topology()) elif topology == constants.TOPOLOGY_SINGLE: lb_create_flow.add(*self._create_single_topology()) else: LOG.error("Unknown topology: %s. Unable to build load balancer.", topology) raise exceptions.InvalidTopology(topology=topology) post_amp_prefix = constants.POST_LB_AMP_ASSOCIATION_SUBFLOW lb_create_flow.add( self.get_post_lb_amp_association_flow( post_amp_prefix, topology, mark_active=(not listeners))) if listeners: lb_create_flow.add(*self._create_listeners_flow()) return lb_create_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)) create_amp_for_lb_subflow.add( a10_network_tasks.AllocateVIP(name=sf_name + '-' + a10constants.ALLOCATE_VIP, requires=constants.LOADBALANCER, provides=constants.VIP)) create_amp_for_lb_subflow.add( database_tasks.UpdateVIPAfterAllocation( name=sf_name + '-' + a10constants.UPDATE_VIP_AFTER_ALLOCATION, requires=(constants.LOADBALANCER_ID, constants.VIP), 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( 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