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_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(a10_database_tasks.GetVThunderByLoadBalancer(
requires=constants.LOADBALANCER,
provides=a10constants.VTHUNDER))
update_pool = service_group_tasks.PoolUpdate(
requires=[constants.POOL, a10constants.VTHUNDER, constants.UPDATE_DICT],
provides=constants.POOL)
update_pool_flow.add(*self._get_sess_pers_subflow(update_pool))
update_pool_flow.add(virtual_port_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS, a10constants.VTHUNDER]))
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_pool_flow(self, topology):
"""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(vthunder_tasks.VthunderInstanceBusy(
requires=a10constants.COMPUTE_BUSY))
update_pool_flow.add(database_tasks.MarkPoolPendingUpdateInDB(
requires=constants.POOL))
update_pool_flow.add(a10_database_tasks.GetVThunderByLoadBalancer(
requires=constants.LOADBALANCER,
provides=a10constants.VTHUNDER))
if topology == constants.TOPOLOGY_ACTIVE_STANDBY:
update_pool_flow.add(vthunder_tasks.GetMasterVThunder(
name=a10constants.GET_MASTER_VTHUNDER,
requires=a10constants.VTHUNDER,
provides=a10constants.VTHUNDER))
update_pool_flow.add(a10_database_tasks.GetFlavorData(
rebind={a10constants.LB_RESOURCE: constants.POOL},
provides=constants.FLAVOR))
update_pool = service_group_tasks.PoolUpdate(
requires=[constants.POOL, a10constants.VTHUNDER,
constants.UPDATE_DICT, constants.FLAVOR],
provides=constants.POOL)
update_pool_flow.add(*self._get_sess_pers_subflow(update_pool))
update_pool_flow.add(virtual_port_tasks.ListenerUpdateForPool(
requires=[constants.LOADBALANCER, constants.LISTENER, a10constants.VTHUNDER]))
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]))
update_pool_flow.add(vthunder_tasks.WriteMemory(
requires=a10constants.VTHUNDER))
update_pool_flow.add(a10_database_tasks.SetThunderUpdatedAt(
requires=a10constants.VTHUNDER))
return update_pool_flow