def get_delete_l7rule_flow(self):
"""Create a flow to delete an L7 rule
:returns: The flow for deleting an L7 rule
"""
delete_l7rule_flow = linear_flow.Flow(constants.DELETE_L7RULE_FLOW)
delete_l7rule_flow.add(
lifecycle_tasks.L7RuleToErrorOnRevertTask(requires=[
constants.L7RULE, constants.LISTENERS, constants.LOADBALANCER
]))
delete_l7rule_flow.add(
database_tasks.MarkL7RulePendingDeleteInDB(
requires=constants.L7RULE))
delete_l7rule_flow.add(
model_tasks.DeleteModelObject(
rebind={constants.OBJECT: constants.L7RULE}))
delete_l7rule_flow.add(
amphora_driver_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
delete_l7rule_flow.add(
database_tasks.DeleteL7RuleInDB(requires=constants.L7RULE))
delete_l7rule_flow.add(
database_tasks.MarkL7PolicyActiveInDB(requires=constants.L7POLICY))
delete_l7rule_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
return delete_l7rule_flow
def get_delete_pool_flow_internal(self, name):
"""Create a flow to delete a pool, etc.
:returns: The flow for deleting a pool
"""
delete_pool_flow = linear_flow.Flow(constants.DELETE_POOL_FLOW)
# health monitor should cascade
# members should cascade
delete_pool_flow.add(
database_tasks.MarkPoolPendingDeleteInDB(
requires=constants.POOL, rebind={constants.POOL: name}))
delete_pool_flow.add(
database_tasks.CountPoolChildrenForQuota(
requires=constants.POOL,
provides=constants.POOL_CHILD_COUNT,
rebind={constants.POOL: name}))
delete_pool_flow.add(
model_tasks.DeleteModelObject(rebind={constants.OBJECT: name}))
delete_pool_flow.add(
database_tasks.DeletePoolInDB(name='delete_pool_in_db_' + name,
requires=constants.POOL,
rebind={constants.POOL: name}))
delete_pool_flow.add(
database_tasks.DecrementPoolQuota(
name='decrement_pool_quota_' + name,
requires=[constants.POOL, constants.POOL_CHILD_COUNT],
rebind={constants.POOL: name}))
return delete_pool_flow
def get_delete_health_monitor_flow(self):
"""Create a flow to delete a health monitor
:returns: The flow for deleting a health monitor
"""
delete_hm_flow = linear_flow.Flow(constants.DELETE_HEALTH_MONITOR_FLOW)
delete_hm_flow.add(
lifecycle_tasks.HealthMonitorToErrorOnRevertTask(requires=[
constants.HEALTH_MON, constants.LISTENERS,
constants.LOADBALANCER
]))
delete_hm_flow.add(
database_tasks.MarkHealthMonitorPendingDeleteInDB(
requires=constants.HEALTH_MON))
delete_hm_flow.add(
model_tasks.DeleteModelObject(
rebind={constants.OBJECT: constants.HEALTH_MON}))
delete_hm_flow.add(
amphora_driver_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
delete_hm_flow.add(
database_tasks.DeleteHealthMonitorInDB(
requires=constants.HEALTH_MON))
delete_hm_flow.add(
database_tasks.DecrementHealthMonitorQuota(
requires=constants.HEALTH_MON))
delete_hm_flow.add(
database_tasks.MarkPoolActiveInDB(requires=constants.POOL))
delete_hm_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
return delete_hm_flow
def get_delete_pool_flow(self):
"""Create a flow to delete a pool
:returns: The flow for deleting a pool
"""
delete_pool_flow = linear_flow.Flow(constants.DELETE_POOL_FLOW)
delete_pool_flow.add(lifecycle_tasks.PoolToErrorOnRevertTask(
requires=[constants.POOL,
constants.LISTENERS,
constants.LOADBALANCER]))
delete_pool_flow.add(database_tasks.MarkPoolPendingDeleteInDB(
requires=constants.POOL))
delete_pool_flow.add(database_tasks.CountPoolChildrenForQuota(
requires=constants.POOL, provides=constants.POOL_CHILD_COUNT))
delete_pool_flow.add(model_tasks.DeleteModelObject(
rebind={constants.OBJECT: constants.POOL}))
# Get VThunder details from database
delete_pool_flow.add(a10_database_tasks.GetVThunderByLoadBalancer(
requires=constants.LOADBALANCER,
provides=a10constants.VTHUNDER))
delete_pool_flow.add(virtual_port_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS, a10constants.VTHUNDER]))
delete_pool_flow.add(persist_tasks.DeleteSessionPersistence(
requires=[a10constants.VTHUNDER, constants.POOL]))
delete_pool_flow.add(service_group_tasks.PoolDelete(
requires=[constants.POOL, a10constants.VTHUNDER]))
delete_pool_flow.add(database_tasks.DeletePoolInDB(
requires=constants.POOL))
delete_pool_flow.add(database_tasks.DecrementPoolQuota(
requires=[constants.POOL, constants.POOL_CHILD_COUNT]))
delete_pool_flow.add(database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
return delete_pool_flow
def get_delete_pool_flow(self):
"""Create a flow to delete a pool
:returns: The flow for deleting a pool
"""
delete_pool_flow = linear_flow.Flow(constants.DELETE_POOL_FLOW)
delete_pool_flow.add(
lifecycle_tasks.PoolToErrorOnRevertTask(requires=[
constants.POOL, constants.LISTENERS, constants.LOADBALANCER
]))
delete_pool_flow.add(
database_tasks.MarkPoolPendingDeleteInDB(requires=constants.POOL))
delete_pool_flow.add(
database_tasks.CountPoolChildrenForQuota(
requires=constants.POOL, provides=constants.POOL_CHILD_COUNT))
delete_pool_flow.add(
model_tasks.DeleteModelObject(
rebind={constants.OBJECT: constants.POOL}))
delete_pool_flow.add(
amphora_driver_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
delete_pool_flow.add(
database_tasks.DeletePoolInDB(requires=constants.POOL))
delete_pool_flow.add(
database_tasks.DecrementPoolQuota(
requires=[constants.POOL, constants.POOL_CHILD_COUNT]))
delete_pool_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
return delete_pool_flow
def get_delete_l7policy_flow(self):
"""Create a flow to delete an L7 policy
:returns: The flow for deleting an L7 policy
"""
delete_l7policy_flow = linear_flow.Flow(constants.DELETE_L7POLICY_FLOW)
delete_l7policy_flow.add(
lifecycle_tasks.L7PolicyToErrorOnRevertTask(requires=[
constants.L7POLICY, constants.LISTENERS, constants.LOADBALANCER
]))
delete_l7policy_flow.add(
database_tasks.MarkL7PolicyPendingDeleteInDB(
requires=constants.L7POLICY))
delete_l7policy_flow.add(
model_tasks.DeleteModelObject(
rebind={constants.OBJECT: constants.L7POLICY}))
delete_l7policy_flow.add(
a10_database_tasks.GetVThunderByLoadBalancer(
requires=constants.LOADBALANCER,
provides=a10constants.VTHUNDER))
delete_l7policy_flow.add(
l7policy_tasks.DeleteL7Policy(
requires=[constants.L7POLICY, a10constants.VTHUNDER]))
delete_l7policy_flow.add(
database_tasks.DeleteL7PolicyInDB(requires=constants.L7POLICY))
delete_l7policy_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
delete_l7policy_flow.add(
vthunder_tasks.WriteMemory(requires=a10constants.VTHUNDER))
delete_l7policy_flow.add(
a10_database_tasks.SetThunderUpdatedAt(
requires=a10constants.VTHUNDER))
return delete_l7policy_flow
def get_delete_member_flow(self):
"""Create a flow to delete a member
:returns: The flow for deleting a member
"""
delete_member_flow = linear_flow.Flow(constants.DELETE_MEMBER_FLOW)
delete_member_flow.add(
lifecycle_tasks.MemberToErrorOnRevertTask(requires=[
constants.MEMBER, constants.LISTENERS, constants.LOADBALANCER,
constants.POOL
]))
delete_member_flow.add(
database_tasks.MarkMemberPendingDeleteInDB(
requires=constants.MEMBER))
delete_member_flow.add(
model_tasks.DeleteModelObject(
rebind={constants.OBJECT: constants.MEMBER}))
delete_member_flow.add(
database_tasks.DeleteMemberInDB(requires=constants.MEMBER))
delete_member_flow.add(
amphora_driver_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
delete_member_flow.add(
database_tasks.DecrementMemberQuota(requires=constants.MEMBER))
delete_member_flow.add(
database_tasks.MarkPoolActiveInDB(requires=constants.POOL))
delete_member_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
return delete_member_flow
def get_delete_health_monitor_flow(self, topology):
"""Create a flow to delete a health monitor
:returns: The flow for deleting a health monitor
"""
delete_hm_flow = linear_flow.Flow(constants.DELETE_HEALTH_MONITOR_FLOW)
delete_hm_flow.add(
lifecycle_tasks.HealthMonitorToErrorOnRevertTask(requires=[
constants.HEALTH_MON, constants.LISTENERS,
constants.LOADBALANCER
]))
delete_hm_flow.add(
vthunder_tasks.VthunderInstanceBusy(
requires=a10constants.COMPUTE_BUSY))
delete_hm_flow.add(
database_tasks.MarkHealthMonitorPendingDeleteInDB(
requires=constants.HEALTH_MON))
delete_hm_flow.add(
model_tasks.DeleteModelObject(
rebind={constants.OBJECT: constants.HEALTH_MON}))
delete_hm_flow.add(
a10_database_tasks.GetVThunderByLoadBalancer(
requires=constants.LOADBALANCER,
provides=a10constants.VTHUNDER))
if topology == constants.TOPOLOGY_ACTIVE_STANDBY:
delete_hm_flow.add(
vthunder_tasks.GetMasterVThunder(
name=a10constants.GET_MASTER_VTHUNDER,
requires=a10constants.VTHUNDER,
provides=a10constants.VTHUNDER))
delete_hm_flow.add(self.get_delete_health_monitor_vthunder_subflow())
delete_hm_flow.add(
database_tasks.DeleteHealthMonitorInDB(
requires=constants.HEALTH_MON))
delete_hm_flow.add(
database_tasks.DecrementHealthMonitorQuota(
requires=constants.HEALTH_MON))
delete_hm_flow.add(
database_tasks.UpdatePoolMembersOperatingStatusInDB(
requires=constants.POOL,
inject={constants.OPERATING_STATUS: constants.NO_MONITOR}))
delete_hm_flow.add(
database_tasks.MarkPoolActiveInDB(requires=constants.POOL))
delete_hm_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
delete_hm_flow.add(
vthunder_tasks.WriteMemory(
name=a10constants.WRITE_MEM_FOR_LOCAL_PARTITION,
requires=(a10constants.VTHUNDER)))
delete_hm_flow.add(
vthunder_tasks.WriteMemory(
name=a10constants.WRITE_MEM_FOR_SHARED_PARTITION,
requires=(a10constants.VTHUNDER,
a10constants.WRITE_MEM_SHARED_PART)))
delete_hm_flow.add(
a10_database_tasks.SetThunderUpdatedAt(
requires=(a10constants.VTHUNDER)))
return delete_hm_flow
def get_rack_vthunder_delete_member_flow(self):
"""Flow to delete a member in Thunder devices
:returns: The flow for deleting a member
"""
delete_member_flow = linear_flow.Flow(constants.DELETE_MEMBER_FLOW)
delete_member_flow.add(
lifecycle_tasks.MemberToErrorOnRevertTask(requires=[
constants.MEMBER, constants.LISTENERS, constants.LOADBALANCER,
constants.POOL
]))
delete_member_flow.add(
database_tasks.MarkMemberPendingDeleteInDB(
requires=constants.MEMBER))
delete_member_flow.add(
model_tasks.DeleteModelObject(
rebind={constants.OBJECT: constants.MEMBER}))
delete_member_flow.add(
a10_database_tasks.GetVThunderByLoadBalancer(
requires=constants.LOADBALANCER,
provides=a10constants.VTHUNDER))
delete_member_flow.add(
vthunder_tasks.SetupDeviceNetworkMap(
requires=a10constants.VTHUNDER,
provides=a10constants.VTHUNDER))
delete_member_flow.add(
a10_database_tasks.CountMembersWithIP(
requires=constants.MEMBER,
provides=a10constants.MEMBER_COUNT_IP))
delete_member_flow.add(
a10_database_tasks.CountMembersWithIPPortProtocol(
requires=(constants.MEMBER, constants.POOL),
provides=a10constants.MEMBER_COUNT_IP_PORT_PROTOCOL))
delete_member_flow.add(
server_tasks.MemberDelete(
requires=(constants.MEMBER, a10constants.VTHUNDER,
constants.POOL, a10constants.MEMBER_COUNT_IP,
a10constants.MEMBER_COUNT_IP_PORT_PROTOCOL)))
if CONF.a10_global.network_type == 'vlan':
delete_member_flow.add(
vthunder_tasks.DeleteInterfaceTagIfNotInUseForMember(
requires=[constants.MEMBER, a10constants.VTHUNDER]))
# Handle VRID setting
delete_member_flow.add(self.get_delete_member_vrid_subflow())
delete_member_flow.add(
database_tasks.DeleteMemberInDB(requires=constants.MEMBER))
delete_member_flow.add(
database_tasks.DecrementMemberQuota(requires=constants.MEMBER))
delete_member_flow.add(
database_tasks.MarkPoolActiveInDB(requires=constants.POOL))
delete_member_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
delete_member_flow.add(
vthunder_tasks.WriteMemory(requires=a10constants.VTHUNDER))
return delete_member_flow
def get_cascade_delete_l7policy_internal_flow(self, l7policy_name):
delete_l7policy_flow = linear_flow.Flow(constants.DELETE_L7POLICY_FLOW)
delete_l7policy_flow.add(
model_tasks.DeleteModelObject(
name='delete_model_object_' + l7policy_name,
rebind={constants.OBJECT: l7policy_name}))
delete_l7policy_flow.add(
l7policy_tasks.DeleteL7Policy(
name='delete_l7policy_' + l7policy_name,
requires=[constants.L7POLICY, a10constants.VTHUNDER],
rebind={constants.L7POLICY: l7policy_name}))
return delete_l7policy_flow
def get_delete_member_flow(self):
"""Flow to delete a member on VThunder
:returns: The flow for deleting a member
"""
delete_member_flow = linear_flow.Flow(constants.DELETE_MEMBER_FLOW)
delete_member_flow.add(
lifecycle_tasks.MemberToErrorOnRevertTask(requires=[
constants.MEMBER, constants.LISTENERS, constants.LOADBALANCER,
constants.POOL
]))
delete_member_flow.add(
database_tasks.MarkMemberPendingDeleteInDB(
requires=constants.MEMBER))
delete_member_flow.add(
model_tasks.DeleteModelObject(
rebind={constants.OBJECT: constants.MEMBER}))
delete_member_flow.add(
a10_database_tasks.GetVThunderByLoadBalancer(
requires=constants.LOADBALANCER,
provides=a10constants.VTHUNDER))
delete_member_flow.add(
a10_database_tasks.CountMembersWithIP(
requires=constants.MEMBER,
provides=a10constants.MEMBER_COUNT_IP))
delete_member_flow.add(
a10_database_tasks.CountMembersWithIPPortProtocol(
requires=(constants.MEMBER, constants.POOL),
provides=a10constants.MEMBER_COUNT_IP_PORT_PROTOCOL))
delete_member_flow.add(
a10_database_tasks.GetFlavorData(
rebind={a10constants.LB_RESOURCE: constants.LOADBALANCER},
provides=constants.FLAVOR))
delete_member_flow.add(
server_tasks.MemberDelete(
requires=(constants.MEMBER, a10constants.VTHUNDER,
constants.POOL, a10constants.MEMBER_COUNT_IP,
a10constants.MEMBER_COUNT_IP_PORT_PROTOCOL)))
delete_member_flow.add(
database_tasks.DeleteMemberInDB(requires=constants.MEMBER))
delete_member_flow.add(
database_tasks.DecrementMemberQuota(requires=constants.MEMBER))
delete_member_flow.add(
database_tasks.MarkPoolActiveInDB(requires=constants.POOL))
delete_member_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
delete_member_flow.add(
vthunder_tasks.WriteMemory(requires=a10constants.VTHUNDER))
delete_member_flow.add(
a10_database_tasks.SetThunderUpdatedAt(
requires=a10constants.VTHUNDER))
return delete_member_flow
def get_delete_member_flow(self):
"""Create a flow to delete a member
:returns: The flow for deleting a member
"""
delete_member_flow = linear_flow.Flow(constants.DELETE_MEMBER_FLOW)
delete_member_flow.add(
a10_database_tasks.CountMembersInProject(
requires=constants.MEMBER, provides=a10constants.MEMBER_COUNT))
delete_member_flow.add(
lifecycle_tasks.MemberToErrorOnRevertTask(requires=[
constants.MEMBER, constants.LISTENERS, constants.LOADBALANCER,
constants.POOL
]))
delete_member_flow.add(
database_tasks.MarkMemberPendingDeleteInDB(
requires=constants.MEMBER))
delete_member_flow.add(
model_tasks.DeleteModelObject(
rebind={constants.OBJECT: constants.MEMBER}))
delete_member_flow.add(
database_tasks.DeleteMemberInDB(requires=constants.MEMBER))
delete_member_flow.add(
a10_database_tasks.GetVThunderByLoadBalancer(
requires=constants.LOADBALANCER,
provides=a10constants.VTHUNDER))
delete_member_flow.add(
server_tasks.MemberDelete(requires=(constants.MEMBER,
a10constants.VTHUNDER,
constants.POOL)))
delete_member_flow.add(
database_tasks.DecrementMemberQuota(requires=constants.MEMBER))
delete_member_flow.add(
database_tasks.MarkPoolActiveInDB(requires=constants.POOL))
delete_member_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
delete_member_flow.add(
a10_database_tasks.GetVRIDForProjectMember(
requires=constants.MEMBER, provides=a10constants.VRID))
delete_member_flow.add(
a10_network_tasks.DeleteMemberVRIDPort(
requires=[
a10constants.VTHUNDER, a10constants.VRID,
a10constants.MEMBER_COUNT
],
provides=a10constants.DELETE_VRID))
delete_member_flow.add(
a10_database_tasks.DeleteVRIDEntry(
requires=[a10constants.VRID, a10constants.DELETE_VRID]))
return delete_member_flow
def get_delete_l7rule_flow(self, topology):
"""Create a flow to delete an L7 rule
:returns: The flow for deleting an L7 rule
"""
delete_l7rule_flow = linear_flow.Flow(constants.DELETE_L7RULE_FLOW)
delete_l7rule_flow.add(
lifecycle_tasks.L7RuleToErrorOnRevertTask(requires=[
constants.L7RULE, constants.LISTENERS, constants.LOADBALANCER
]))
delete_l7rule_flow.add(
vthunder_tasks.VthunderInstanceBusy(
requires=a10constants.COMPUTE_BUSY))
delete_l7rule_flow.add(
database_tasks.MarkL7RulePendingDeleteInDB(
requires=constants.L7RULE))
delete_l7rule_flow.add(
model_tasks.DeleteModelObject(
rebind={constants.OBJECT: constants.L7RULE}))
delete_l7rule_flow.add(
a10_database_tasks.GetVThunderByLoadBalancer(
requires=constants.LOADBALANCER,
provides=a10constants.VTHUNDER))
if topology == constants.TOPOLOGY_ACTIVE_STANDBY:
delete_l7rule_flow.add(
vthunder_tasks.GetMasterVThunder(
name=a10constants.GET_MASTER_VTHUNDER,
requires=a10constants.VTHUNDER,
provides=a10constants.VTHUNDER))
delete_l7rule_flow.add(
l7rule_tasks.DeleteL7Rule(requires=[
constants.L7RULE, constants.LISTENERS, a10constants.VTHUNDER
]))
delete_l7rule_flow.add(
database_tasks.DeleteL7RuleInDB(requires=constants.L7RULE))
delete_l7rule_flow.add(
database_tasks.MarkL7PolicyActiveInDB(requires=constants.L7POLICY))
delete_l7rule_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
delete_l7rule_flow.add(
vthunder_tasks.WriteMemory(requires=a10constants.VTHUNDER))
delete_l7rule_flow.add(
a10_database_tasks.SetThunderUpdatedAt(
requires=a10constants.VTHUNDER))
return delete_l7rule_flow
def get_cascade_delete_pool_internal_flow(
self, pool_name, members, pool_listener_name, health_mon):
"""Create a flow to delete a pool, etc.
:returns: The flow for deleting a pool
"""
store = {}
delete_pool_flow = linear_flow.Flow(constants.DELETE_POOL_FLOW)
# health monitor should cascade
# members should cascade
delete_pool_flow.add(database_tasks.MarkPoolPendingDeleteInDB(
name='mark_pool_pending_delete_in_db_' + pool_name,
requires=constants.POOL,
rebind={constants.POOL: pool_name}))
delete_pool_flow.add(database_tasks.CountPoolChildrenForQuota(
name='count_pool_children_for_quota_' + pool_name,
requires=constants.POOL,
provides=constants.POOL_CHILD_COUNT,
rebind={constants.POOL: pool_name}))
delete_pool_flow.add(virtual_port_tasks.ListenerUpdateForPool(
name='listener_update_for_pool_' + pool_name,
requires=[constants.LOADBALANCER, constants.LISTENER, a10constants.VTHUNDER],
rebind={constants.LISTENER: pool_listener_name}))
delete_pool_flow.add(persist_tasks.DeleteSessionPersistence(
name='delete_session_persistence_' + pool_name,
requires=[a10constants.VTHUNDER, constants.POOL],
rebind={constants.POOL: pool_name}))
delete_pool_flow.add(model_tasks.DeleteModelObject(
name='delete_model_object_' + pool_name,
rebind={constants.OBJECT: pool_name}))
# Delete pool children
delete_pool_flow.add(self._get_delete_health_monitor_vthunder_subflow(health_mon, True))
delete_pool_flow.add(self._get_delete_member_vthunder_subflow(members, store, pool_name))
delete_pool_flow.add(service_group_tasks.PoolDelete(
name='pool_delete_' + pool_name,
requires=[constants.POOL, a10constants.VTHUNDER],
rebind={constants.POOL: pool_name}))
delete_pool_flow.add(database_tasks.DeletePoolInDB(
name='delete_pool_in_db_' + pool_name,
requires=constants.POOL,
rebind={constants.POOL: pool_name}))
delete_pool_flow.add(database_tasks.DecrementPoolQuota(
name='decrement_pool_quota_' + pool_name,
requires=[constants.POOL, constants.POOL_CHILD_COUNT],
rebind={constants.POOL: pool_name}))
return (delete_pool_flow, store)
def get_delete_pool_rack_flow(self, members, health_mon, store):
"""Create a flow to delete a pool rack
:returns: The flow for deleting a pool
"""
delete_pool_flow = linear_flow.Flow(constants.DELETE_POOL_FLOW)
delete_pool_flow.add(lifecycle_tasks.PoolToErrorOnRevertTask(
requires=[constants.POOL,
constants.LISTENERS,
constants.LOADBALANCER]))
delete_pool_flow.add(database_tasks.MarkPoolPendingDeleteInDB(
requires=constants.POOL))
delete_pool_flow.add(database_tasks.CountPoolChildrenForQuota(
requires=constants.POOL, provides=constants.POOL_CHILD_COUNT))
delete_pool_flow.add(model_tasks.DeleteModelObject(
rebind={constants.OBJECT: constants.POOL}))
# Get VThunder details from database
delete_pool_flow.add(a10_database_tasks.GetVThunderByLoadBalancer(
requires=constants.LOADBALANCER,
provides=a10constants.VTHUNDER))
delete_pool_flow.add(virtual_port_tasks.ListenerUpdateForPool(
requires=[constants.LOADBALANCER, constants.LISTENER, a10constants.VTHUNDER]))
delete_pool_flow.add(persist_tasks.DeleteSessionPersistence(
requires=[a10constants.VTHUNDER, constants.POOL]))
delete_pool_flow.add(vthunder_tasks.SetupDeviceNetworkMap(
requires=a10constants.VTHUNDER,
provides=a10constants.VTHUNDER))
# Delete pool children
delete_pool_flow.add(self._get_delete_health_monitor_vthunder_subflow(health_mon))
delete_pool_flow.add(self._get_delete_member_vthunder_subflow(members, store))
delete_pool_flow.add(service_group_tasks.PoolDelete(
requires=[constants.POOL, a10constants.VTHUNDER]))
delete_pool_flow.add(database_tasks.DeletePoolInDB(
requires=constants.POOL))
delete_pool_flow.add(database_tasks.DecrementPoolQuota(
requires=[constants.POOL, constants.POOL_CHILD_COUNT]))
delete_pool_flow.add(database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
delete_pool_flow.add(vthunder_tasks.WriteMemory(
requires=a10constants.VTHUNDER))
delete_pool_flow.add(a10_database_tasks.SetThunderUpdatedAt(
requires=a10constants.VTHUNDER))
return delete_pool_flow
def get_delete_pool_flow(self):
"""Create a flow to delete a pool
:returns: The flow for deleting a pool
"""
delete_pool_flow = linear_flow.Flow(constants.DELETE_POOL_FLOW)
delete_pool_flow.add(
model_tasks.DeleteModelObject(
rebind={constants.OBJECT: constants.POOL}))
delete_pool_flow.add(
amphora_driver_tasks.ListenersUpdate(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
delete_pool_flow.add(
database_tasks.DeletePoolInDB(requires=constants.POOL))
delete_pool_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
return delete_pool_flow
def get_delete_member_flow(self):
"""Create a flow to delete a member
:returns: The flow for deleting a member
"""
delete_member_flow = linear_flow.Flow(constants.DELETE_MEMBER_FLOW)
delete_member_flow.add(
model_tasks.DeleteModelObject(
rebind={constants.OBJECT: constants.MEMBER}))
delete_member_flow.add(
amphora_driver_tasks.ListenerUpdate(
requires=[constants.LISTENER, constants.VIP]))
delete_member_flow.add(
database_tasks.DeleteMemberInDB(requires=constants.MEMBER_ID))
delete_member_flow.add(
database_tasks.MarkLBAndListenerActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENER]))
return delete_member_flow
def get_delete_health_monitor_flow(self):
"""Create a flow to delete a health monitor
:returns: The flow for deleting a health monitor
"""
delete_hm_flow = linear_flow.Flow(constants.DELETE_HEALTH_MONITOR_FLOW)
delete_hm_flow.add(
lifecycle_tasks.HealthMonitorToErrorOnRevertTask(requires=[
constants.HEALTH_MON, constants.LISTENERS,
constants.LOADBALANCER
]))
delete_hm_flow.add(
database_tasks.MarkHealthMonitorPendingDeleteInDB(
requires=constants.HEALTH_MON))
delete_hm_flow.add(
model_tasks.DeleteModelObject(
rebind={constants.OBJECT: constants.HEALTH_MON}))
delete_hm_flow.add(
a10_database_tasks.GetVThunderByLoadBalancer(
requires=constants.LOADBALANCER,
provides=a10constants.VTHUNDER))
delete_hm_flow.add(
health_monitor_tasks.DeleteHealthMonitor(
requires=[constants.HEALTH_MON, a10constants.VTHUNDER]))
delete_hm_flow.add(
database_tasks.DeleteHealthMonitorInDB(
requires=constants.HEALTH_MON))
delete_hm_flow.add(
database_tasks.DecrementHealthMonitorQuota(
requires=constants.HEALTH_MON))
delete_hm_flow.add(
database_tasks.UpdatePoolMembersOperatingStatusInDB(
requires=constants.POOL,
inject={constants.OPERATING_STATUS: constants.NO_MONITOR}))
delete_hm_flow.add(
database_tasks.MarkPoolActiveInDB(requires=constants.POOL))
delete_hm_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
return delete_hm_flow
def test_delete_model_object(self):
delete_object = model_tasks.DeleteModelObject()
delete_object.execute(self.listener_mock)
self.listener_mock.delete.assert_called_once_with()
def get_batch_update_members_flow(self, old_members, new_members,
updated_members):
"""Create a flow to batch update members
:returns: The flow for batch updating members
"""
batch_update_members_flow = linear_flow.Flow(
constants.BATCH_UPDATE_MEMBERS_FLOW)
unordered_members_flow = unordered_flow.Flow(
constants.UNORDERED_MEMBER_UPDATES_FLOW)
unordered_members_active_flow = unordered_flow.Flow(
constants.UNORDERED_MEMBER_ACTIVE_FLOW)
# Delete old members
unordered_members_flow.add(
lifecycle_tasks.MembersToErrorOnRevertTask(
inject={constants.MEMBERS: old_members},
name='{flow}-deleted'.format(
flow=constants.MEMBER_TO_ERROR_ON_REVERT_FLOW)))
for m in old_members:
unordered_members_flow.add(
model_tasks.DeleteModelObject(
inject={constants.OBJECT: m},
name='{flow}-{id}'.format(
id=m.id, flow=constants.DELETE_MODEL_OBJECT_FLOW)))
unordered_members_flow.add(
database_tasks.DeleteMemberInDB(
inject={constants.MEMBER: m},
name='{flow}-{id}'.format(
id=m.id, flow=constants.DELETE_MEMBER_INDB)))
unordered_members_flow.add(
database_tasks.DecrementMemberQuota(
inject={constants.MEMBER: m},
name='{flow}-{id}'.format(
id=m.id, flow=constants.DECREMENT_MEMBER_QUOTA_FLOW)))
# Create new members
unordered_members_flow.add(
lifecycle_tasks.MembersToErrorOnRevertTask(
inject={constants.MEMBERS: new_members},
name='{flow}-created'.format(
flow=constants.MEMBER_TO_ERROR_ON_REVERT_FLOW)))
for m in new_members:
unordered_members_active_flow.add(
database_tasks.MarkMemberActiveInDB(
inject={constants.MEMBER: m},
name='{flow}-{id}'.format(
id=m.id, flow=constants.MARK_MEMBER_ACTIVE_INDB)))
# Update existing members
unordered_members_flow.add(
lifecycle_tasks.MembersToErrorOnRevertTask(
# updated_members is a list of (obj, dict), only pass `obj`
inject={constants.MEMBERS: [m[0] for m in updated_members]},
name='{flow}-updated'.format(
flow=constants.MEMBER_TO_ERROR_ON_REVERT_FLOW)))
for m, um in updated_members:
um.pop('id', None)
unordered_members_flow.add(
model_tasks.UpdateAttributes(
inject={
constants.OBJECT: m,
constants.UPDATE_DICT: um
},
name='{flow}-{id}'.format(
id=m.id, flow=constants.UPDATE_ATTRIBUTES_FLOW)))
unordered_members_flow.add(
database_tasks.UpdateMemberInDB(
inject={
constants.MEMBER: m,
constants.UPDATE_DICT: um
},
name='{flow}-{id}'.format(
id=m.id, flow=constants.UPDATE_MEMBER_INDB)))
unordered_members_active_flow.add(
database_tasks.MarkMemberActiveInDB(
inject={constants.MEMBER: m},
name='{flow}-{id}'.format(
id=m.id, flow=constants.MARK_MEMBER_ACTIVE_INDB)))
batch_update_members_flow.add(unordered_members_flow)
# Done, do real updates
batch_update_members_flow.add(
network_tasks.CalculateDelta(requires=constants.LOADBALANCER,
provides=constants.DELTAS))
batch_update_members_flow.add(
network_tasks.HandleNetworkDeltas(requires=constants.DELTAS,
provides=constants.ADDED_PORTS))
batch_update_members_flow.add(
amphora_driver_tasks.AmphoraePostNetworkPlug(
requires=(constants.LOADBALANCER, constants.ADDED_PORTS)))
# Update the Listener (this makes the changes active on the Amp)
batch_update_members_flow.add(
amphora_driver_tasks.ListenersUpdate(
requires=(constants.LOADBALANCER, constants.LISTENERS)))
# Mark all the members ACTIVE here, then pool then LB/Listeners
batch_update_members_flow.add(unordered_members_active_flow)
batch_update_members_flow.add(
database_tasks.MarkPoolActiveInDB(requires=constants.POOL))
batch_update_members_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=(constants.LOADBALANCER, constants.LISTENERS)))
return batch_update_members_flow
def get_delete_pool_flow(self, members, health_mon, store, topology):
"""Create a flow to delete a pool
:returns: The flow for deleting a pool
"""
delete_pool_flow = linear_flow.Flow(constants.DELETE_POOL_FLOW)
delete_pool_flow.add(lifecycle_tasks.PoolToErrorOnRevertTask(
requires=[constants.POOL,
constants.LISTENERS,
constants.LOADBALANCER]))
delete_pool_flow.add(vthunder_tasks.VthunderInstanceBusy(
requires=a10constants.COMPUTE_BUSY))
delete_pool_flow.add(database_tasks.MarkPoolPendingDeleteInDB(
requires=constants.POOL))
delete_pool_flow.add(database_tasks.CountPoolChildrenForQuota(
requires=constants.POOL, provides=constants.POOL_CHILD_COUNT))
delete_pool_flow.add(model_tasks.DeleteModelObject(
rebind={constants.OBJECT: constants.POOL}))
# Get VThunder details from database
delete_pool_flow.add(a10_database_tasks.GetVThunderByLoadBalancer(
requires=constants.LOADBALANCER,
provides=a10constants.VTHUNDER))
if topology == constants.TOPOLOGY_ACTIVE_STANDBY:
delete_pool_flow.add(vthunder_tasks.GetMasterVThunder(
name=a10constants.GET_MASTER_VTHUNDER,
requires=a10constants.VTHUNDER,
provides=a10constants.VTHUNDER))
delete_pool_flow.add(virtual_port_tasks.ListenerUpdateForPool(
requires=[constants.LOADBALANCER, constants.LISTENER, a10constants.VTHUNDER]))
delete_pool_flow.add(persist_tasks.DeleteSessionPersistence(
requires=[a10constants.VTHUNDER, constants.POOL]))
# Delete pool children
delete_pool_flow.add(self._get_delete_health_monitor_vthunder_subflow(health_mon))
delete_pool_flow.add(self._get_delete_member_vthunder_subflow(members, store))
delete_pool_flow.add(service_group_tasks.PoolDelete(
requires=[constants.POOL, a10constants.VTHUNDER]))
delete_pool_flow.add(database_tasks.DeletePoolInDB(
requires=constants.POOL))
# Interface delete.
delete_pool_flow.add(a10_database_tasks.GetLoadBalancerListByProjectID(
requires=a10constants.VTHUNDER,
provides=a10constants.LOADBALANCERS_LIST))
delete_pool_flow.add(a10_network_tasks.CalculateDelta(
requires=(constants.LOADBALANCER, a10constants.LOADBALANCERS_LIST),
provides=constants.DELTAS))
delete_pool_flow.add(a10_network_tasks.HandleNetworkDeltas(
requires=constants.DELTAS, provides=constants.ADDED_PORTS))
delete_pool_flow.add(
vthunder_tasks.AmphoraePostNetworkUnplug(
requires=(
constants.LOADBALANCER,
constants.ADDED_PORTS,
a10constants.VTHUNDER)))
delete_pool_flow.add(database_tasks.GetAmphoraeFromLoadbalancer(
requires=constants.LOADBALANCER,
provides=constants.AMPHORA))
delete_pool_flow.add(vthunder_tasks.VThunderComputeConnectivityWait(
requires=(a10constants.VTHUNDER, constants.AMPHORA)))
delete_pool_flow.add(database_tasks.DecrementPoolQuota(
requires=[constants.POOL, constants.POOL_CHILD_COUNT]))
delete_pool_flow.add(database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
delete_pool_flow.add(vthunder_tasks.WriteMemory(
requires=a10constants.VTHUNDER))
delete_pool_flow.add(a10_database_tasks.SetThunderUpdatedAt(
requires=a10constants.VTHUNDER))
return delete_pool_flow
def get_delete_member_flow(self):
"""Flow to delete a member on VThunder
:returns: The flow for deleting a member
"""
delete_member_flow = linear_flow.Flow(constants.DELETE_MEMBER_FLOW)
delete_member_flow.add(
lifecycle_tasks.MemberToErrorOnRevertTask(requires=[
constants.MEMBER, constants.LISTENERS, constants.LOADBALANCER,
constants.POOL
]))
delete_member_flow.add(
database_tasks.MarkMemberPendingDeleteInDB(
requires=constants.MEMBER))
delete_member_flow.add(
model_tasks.DeleteModelObject(
rebind={constants.OBJECT: constants.MEMBER}))
delete_member_flow.add(
database_tasks.GetAmphoraeFromLoadbalancer(
requires=constants.LOADBALANCER, provides=constants.AMPHORA))
delete_member_flow.add(
a10_database_tasks.GetVThunderByLoadBalancer(
requires=constants.LOADBALANCER,
provides=a10constants.VTHUNDER))
delete_member_flow.add(
a10_database_tasks.CountMembersWithIP(
requires=constants.MEMBER,
provides=a10constants.MEMBER_COUNT_IP))
delete_member_flow.add(
a10_database_tasks.CountMembersWithIPPortProtocol(
requires=(constants.MEMBER, constants.POOL),
provides=a10constants.MEMBER_COUNT_IP_PORT_PROTOCOL))
delete_member_flow.add(
a10_database_tasks.GetFlavorData(
rebind={a10constants.LB_RESOURCE: constants.LOADBALANCER},
provides=constants.FLAVOR))
delete_member_flow.add(
database_tasks.DeleteMemberInDB(requires=constants.MEMBER))
delete_member_flow.add(
a10_database_tasks.GetLoadBalancerListByProjectID(
requires=a10constants.VTHUNDER,
provides=a10constants.LOADBALANCERS_LIST))
delete_member_flow.add(
a10_network_tasks.CalculateDelta(
requires=(constants.LOADBALANCER,
a10constants.LOADBALANCERS_LIST),
provides=constants.DELTAS))
delete_member_flow.add(
a10_network_tasks.HandleNetworkDeltas(
requires=constants.DELTAS, provides=constants.ADDED_PORTS))
delete_member_flow.add(
vthunder_tasks.AmphoraePostNetworkUnplug(
requires=(constants.LOADBALANCER, constants.ADDED_PORTS,
a10constants.VTHUNDER)))
delete_member_flow.add(
vthunder_tasks.VThunderComputeConnectivityWait(
requires=(a10constants.VTHUNDER, constants.AMPHORA)))
delete_member_flow.add(
server_tasks.MemberFindNatPool(requires=[
constants.MEMBER, a10constants.VTHUNDER, constants.POOL,
constants.FLAVOR
],
provides=a10constants.NAT_FLAVOR))
delete_member_flow.add(
a10_database_tasks.GetNatPoolEntry(
requires=[constants.MEMBER, a10constants.NAT_FLAVOR],
provides=a10constants.NAT_POOL))
delete_member_flow.add(
a10_network_tasks.ReleaseSubnetAddressForMember(requires=[
constants.MEMBER, a10constants.NAT_FLAVOR,
a10constants.NAT_POOL
]))
delete_member_flow.add(
a10_database_tasks.DeleteNatPoolEntry(
requires=a10constants.NAT_POOL))
delete_member_flow.add(
server_tasks.MemberDelete(
requires=(constants.MEMBER, a10constants.VTHUNDER,
constants.POOL, a10constants.MEMBER_COUNT_IP,
a10constants.MEMBER_COUNT_IP_PORT_PROTOCOL)))
delete_member_flow.add(self.get_delete_member_vrid_subflow())
delete_member_flow.add(
database_tasks.DecrementMemberQuota(requires=constants.MEMBER))
delete_member_flow.add(
database_tasks.MarkPoolActiveInDB(requires=constants.POOL))
delete_member_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
delete_member_flow.add(
vthunder_tasks.WriteMemory(requires=a10constants.VTHUNDER))
delete_member_flow.add(
a10_database_tasks.SetThunderUpdatedAt(
requires=a10constants.VTHUNDER))
return delete_member_flow
