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
