def _get_post_map_lb_subflow(self, prefix, role): """Set amphora type after mapped to lb.""" sf_name = prefix + '-' + constants.POST_MAP_AMP_TO_LB_SUBFLOW post_map_amp_to_lb = linear_flow.Flow( sf_name) post_map_amp_to_lb.add(database_tasks.ReloadAmphora( name=sf_name + '-' + constants.RELOAD_AMPHORA, requires=constants.AMPHORA, provides=constants.AMPHORA)) post_map_amp_to_lb.add(amphora_driver_tasks.AmphoraConfigUpdate( name=sf_name + '-' + constants.AMPHORA_CONFIG_UPDATE_TASK, requires=(constants.AMPHORA, constants.FLAVOR))) if role == constants.ROLE_MASTER: post_map_amp_to_lb.add(database_tasks.MarkAmphoraMasterInDB( name=sf_name + '-' + constants.MARK_AMP_MASTER_INDB, requires=constants.AMPHORA)) elif role == constants.ROLE_BACKUP: post_map_amp_to_lb.add(database_tasks.MarkAmphoraBackupInDB( name=sf_name + '-' + constants.MARK_AMP_BACKUP_INDB, requires=constants.AMPHORA)) elif role == constants.ROLE_STANDALONE: post_map_amp_to_lb.add(database_tasks.MarkAmphoraStandAloneInDB( name=sf_name + '-' + constants.MARK_AMP_STANDALONE_INDB, requires=constants.AMPHORA)) return post_map_amp_to_lb
def _get_amp_net_subflow(self, sf_name): flows = [] flows.append(network_tasks.PlugVIPAmpphora( name=sf_name + '-' + constants.PLUG_VIP_AMPHORA, requires=(constants.LOADBALANCER, constants.AMPHORA, constants.SUBNET), provides=constants.AMP_DATA)) flows.append(network_tasks.ApplyQosAmphora( name=sf_name + '-' + constants.APPLY_QOS_AMP, requires=(constants.LOADBALANCER, constants.AMP_DATA, constants.UPDATE_DICT))) flows.append(database_tasks.UpdateAmphoraVIPData( name=sf_name + '-' + constants.UPDATE_AMPHORA_VIP_DATA, requires=constants.AMP_DATA)) flows.append(database_tasks.ReloadAmphora( name=sf_name + '-' + constants.RELOAD_AMP_AFTER_PLUG_VIP, requires=constants.AMPHORA, provides=constants.AMPHORA)) flows.append(database_tasks.ReloadLoadBalancer( name=sf_name + '-' + constants.RELOAD_LB_AFTER_PLUG_VIP, requires=constants.LOADBALANCER_ID, provides=constants.LOADBALANCER)) flows.append(network_tasks.GetAmphoraNetworkConfigs( name=sf_name + '-' + constants.GET_AMP_NETWORK_CONFIG, requires=(constants.LOADBALANCER, constants.AMPHORA), provides=constants.AMPHORA_NETWORK_CONFIG)) flows.append(amphora_driver_tasks.AmphoraPostVIPPlug( name=sf_name + '-' + constants.AMP_POST_VIP_PLUG, rebind={constants.AMPHORAE_NETWORK_CONFIG: constants.AMPHORA_NETWORK_CONFIG}, requires=(constants.LOADBALANCER, constants.AMPHORAE_NETWORK_CONFIG))) return flows
def _finalize_flow(self, sf_name, role): sf_name = sf_name + constants.FINALIZE_AMPHORA_FLOW create_amp_for_lb_subflow = linear_flow.Flow(sf_name) 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, 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_create_amphora_flow(self): """Creates a flow to create an amphora. :returns: The flow for creating the amphora """ create_amphora_flow = linear_flow.Flow(constants.CREATE_AMPHORA_FLOW) create_amphora_flow.add( database_tasks.CreateAmphoraInDB(provides=constants.AMPHORA_ID)) create_amphora_flow.add( lifecycle_tasks.AmphoraIDToErrorOnRevertTask( requires=constants.AMPHORA_ID)) if (CONF.controller_worker.amphora_driver == 'amphora_haproxy_rest_driver'): create_amphora_flow.add( cert_task.GenerateServerPEMTask(provides=constants.SERVER_PEM)) create_amphora_flow.add( database_tasks.UpdateAmphoraDBCertExpiration( requires=(constants.AMPHORA_ID, constants.SERVER_PEM))) create_amphora_flow.add( compute_tasks.CertComputeCreate( requires=(constants.AMPHORA_ID, constants.SERVER_PEM, constants.BUILD_TYPE_PRIORITY, constants.FLAVOR), provides=constants.COMPUTE_ID)) else: create_amphora_flow.add( compute_tasks.ComputeCreate( requires=(constants.AMPHORA_ID, constants.BUILD_TYPE_PRIORITY, constants.FLAVOR), provides=constants.COMPUTE_ID)) create_amphora_flow.add( database_tasks.MarkAmphoraBootingInDB( requires=(constants.AMPHORA_ID, constants.COMPUTE_ID))) create_amphora_flow.add( compute_tasks.ComputeActiveWait(requires=(constants.COMPUTE_ID, constants.AMPHORA_ID), provides=constants.COMPUTE_OBJ)) create_amphora_flow.add( database_tasks.UpdateAmphoraInfo(requires=(constants.AMPHORA_ID, constants.COMPUTE_OBJ), provides=constants.AMPHORA)) retry_subflow = linear_flow.Flow( constants.CREATE_AMPHORA_RETRY_SUBFLOW, retry=amphora_driver_tasks.AmpRetry()) retry_subflow.add( amphora_driver_tasks.AmphoraComputeConnectivityWait( requires=constants.AMPHORA, inject={'raise_retry_exception': True})) create_amphora_flow.add(retry_subflow) create_amphora_flow.add( database_tasks.ReloadAmphora(requires=constants.AMPHORA, provides=constants.AMPHORA)) create_amphora_flow.add( amphora_driver_tasks.AmphoraFinalize(requires=constants.AMPHORA)) create_amphora_flow.add( database_tasks.MarkAmphoraReadyInDB(requires=constants.AMPHORA)) return create_amphora_flow
def get_create_amphora_flow(self): """Creates a flow to create an amphora. :returns: The flow for creating the amphora """ create_amphora_flow = linear_flow.Flow(constants.CREATE_AMPHORA_FLOW) create_amphora_flow.add( database_tasks.CreateAmphoraInDB(provides=constants.AMPHORA_ID)) create_amphora_flow.add( lifecycle_tasks.AmphoraIDToErrorOnRevertTask( requires=constants.AMPHORA_ID)) if self.REST_AMPHORA_DRIVER: create_amphora_flow.add( cert_task.GenerateServerPEMTask(provides=constants.SERVER_PEM)) create_amphora_flow.add( database_tasks.UpdateAmphoraDBCertExpiration( requires=(constants.AMPHORA_ID, constants.SERVER_PEM))) create_amphora_flow.add( compute_tasks.CertComputeCreate( requires=(constants.AMPHORA_ID, constants.SERVER_PEM, constants.BUILD_TYPE_PRIORITY, constants.FLAVOR), provides=constants.COMPUTE_ID)) else: create_amphora_flow.add( compute_tasks.ComputeCreate( requires=(constants.AMPHORA_ID, constants.BUILD_TYPE_PRIORITY, constants.FLAVOR), provides=constants.COMPUTE_ID)) create_amphora_flow.add( database_tasks.MarkAmphoraBootingInDB( requires=(constants.AMPHORA_ID, constants.COMPUTE_ID))) create_amphora_flow.add( compute_tasks.ComputeActiveWait(requires=(constants.COMPUTE_ID, constants.AMPHORA_ID), provides=constants.COMPUTE_OBJ)) create_amphora_flow.add( database_tasks.UpdateAmphoraInfo(requires=(constants.AMPHORA_ID, constants.COMPUTE_OBJ), provides=constants.AMPHORA)) create_amphora_flow.add( amphora_driver_tasks.AmphoraComputeConnectivityWait( requires=constants.AMPHORA)) create_amphora_flow.add( database_tasks.ReloadAmphora(requires=constants.AMPHORA_ID, provides=constants.AMPHORA)) create_amphora_flow.add( amphora_driver_tasks.AmphoraFinalize(requires=constants.AMPHORA)) create_amphora_flow.add( database_tasks.MarkAmphoraReadyInDB(requires=constants.AMPHORA)) return create_amphora_flow
def get_failover_flow(self, role=constants.ROLE_STANDALONE, load_balancer=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)) failover_amphora_flow.add(network_tasks.FailoverPreparationForAmphora( 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: 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, 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(database_tasks.GetAmphoraeFromLoadbalancer( requires=constants.LOADBALANCER, provides=constants.AMPHORAE)) # Plug the VIP ports into the new amphora # The reason for moving these steps here is the udp listeners want to # do some kernel configuration before Listener update for forbidding # failure during rebuild 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))) # Listeners update needs to be run on all amphora to update # their peer configurations. So parallelize this with an # unordered subflow. update_amps_subflow = unordered_flow.Flow( constants.UPDATE_AMPS_SUBFLOW) timeout_dict = { constants.CONN_MAX_RETRIES: CONF.haproxy_amphora.active_connection_max_retries, constants.CONN_RETRY_INTERVAL: CONF.haproxy_amphora.active_connection_rety_interval} # Setup parallel flows for each amp. We don't know the new amp # details at flow creation time, so setup a subflow for each # amp on the LB, they let the task index into a list of amps # to find the amphora it should work on. amp_index = 0 db_lb = self.lb_repo.get(db_apis.get_session(), id=load_balancer[constants.LOADBALANCER_ID]) for amp in db_lb.amphorae: if amp.status == constants.DELETED: continue update_amps_subflow.add( amphora_driver_tasks.AmpListenersUpdate( name=constants.AMP_LISTENER_UPDATE + '-' + str(amp_index), requires=(constants.LOADBALANCER, constants.AMPHORAE), inject={constants.AMPHORA_INDEX: amp_index, constants.TIMEOUT_DICT: timeout_dict})) amp_index += 1 failover_amphora_flow.add(update_amps_subflow) # Plug the member networks into the new amphora failover_amphora_flow.add(network_tasks.CalculateAmphoraDelta( requires=(constants.LOADBALANCER, constants.AMPHORA), provides=constants.DELTA)) failover_amphora_flow.add(network_tasks.HandleNetworkDelta( requires=(constants.AMPHORA, constants.DELTA), provides=constants.ADDED_PORTS)) failover_amphora_flow.add(amphora_driver_tasks.AmphoraePostNetworkPlug( requires=(constants.LOADBALANCER, constants.ADDED_PORTS))) failover_amphora_flow.add(database_tasks.ReloadLoadBalancer( name='octavia-failover-LB-reload-2', requires=constants.LOADBALANCER_ID, provides=constants.LOADBALANCER)) # 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.AMPHORA))) failover_amphora_flow.add( database_tasks.DisableAmphoraHealthMonitoring( rebind={constants.AMPHORA: constants.FAILED_AMPHORA}, requires=constants.AMPHORA)) return failover_amphora_flow
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)) require_server_group_id_condition = ( role in (constants.ROLE_BACKUP, constants.ROLE_MASTER) and 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 require_server_group_id_condition: create_amp_for_lb_subflow.add(compute_tasks.CertComputeCreate( name=sf_name + '-' + constants.CERT_COMPUTE_CREATE, requires=( constants.AMPHORA_ID, constants.SERVER_PEM, constants.BUILD_TYPE_PRIORITY, constants.SERVER_GROUP_ID, constants.FLAVOR ), 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, constants.BUILD_TYPE_PRIORITY, constants.FLAVOR ), provides=constants.COMPUTE_ID)) else: 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.FLAVOR ), 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.FLAVOR ), 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_amp_for_lb_subflow.add( amphora_driver_tasks.AmphoraComputeConnectivityWait( name=sf_name + '-' + constants.AMP_COMPUTE_CONNECTIVITY_WAIT, requires=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_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)) require_server_group_id_condition = ( role in (constants.ROLE_BACKUP, constants.ROLE_MASTER) and CONF.nova.enable_anti_affinity) #Relaod LB #vthunder_for_amphora_subflow.add(database_tasks.ReloadLoadBalancer( # name=sf_name + '-' + 'reload_loadbalancer', # requires=constants.LOADBALANCER_ID, # provides=constants.LOADBALANCER)) 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.CreteVthunderEntry( name=sf_name + '-' + 'create_vThunder_entry_in_database', requires=(constants.AMPHORA, constants.LOADBALANCER))) # Get VThunder details from database vthunder_for_amphora_subflow.add( a10_database_tasks.GetVThunderByLoadBalancer( 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