Source code for octavia.controller.worker.v1.flows.health_monitor_flows

# Copyright 2015 Hewlett-Packard Development Company, L.P.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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from taskflow.patterns import linear_flow

from octavia.common import constants
from octavia.controller.worker.v1.tasks import amphora_driver_tasks
from octavia.controller.worker.v1.tasks import database_tasks
from octavia.controller.worker.v1.tasks import lifecycle_tasks
from octavia.controller.worker.v1.tasks import model_tasks


[docs]class HealthMonitorFlows(object):
[docs] def get_create_health_monitor_flow(self): """Create a flow to create a health monitor :returns: The flow for creating a health monitor """ create_hm_flow = linear_flow.Flow(constants.CREATE_HEALTH_MONITOR_FLOW) create_hm_flow.add(lifecycle_tasks.HealthMonitorToErrorOnRevertTask( requires=[constants.HEALTH_MON, constants.LISTENERS, constants.LOADBALANCER])) create_hm_flow.add(database_tasks.MarkHealthMonitorPendingCreateInDB( requires=constants.HEALTH_MON)) create_hm_flow.add(amphora_driver_tasks.ListenersUpdate( requires=constants.LOADBALANCER)) create_hm_flow.add(database_tasks.MarkHealthMonitorActiveInDB( requires=constants.HEALTH_MON)) create_hm_flow.add(database_tasks.MarkPoolActiveInDB( requires=constants.POOL)) create_hm_flow.add(database_tasks.MarkLBAndListenersActiveInDB( requires=[constants.LOADBALANCER, constants.LISTENERS])) return create_hm_flow
[docs] 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)) 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
[docs] def get_update_health_monitor_flow(self): """Create a flow to update a health monitor :returns: The flow for updating a health monitor """ update_hm_flow = linear_flow.Flow(constants.UPDATE_HEALTH_MONITOR_FLOW) update_hm_flow.add(lifecycle_tasks.HealthMonitorToErrorOnRevertTask( requires=[constants.HEALTH_MON, constants.LISTENERS, constants.LOADBALANCER])) update_hm_flow.add(database_tasks.MarkHealthMonitorPendingUpdateInDB( requires=constants.HEALTH_MON)) update_hm_flow.add(amphora_driver_tasks.ListenersUpdate( requires=constants.LOADBALANCER)) update_hm_flow.add(database_tasks.UpdateHealthMonInDB( requires=[constants.HEALTH_MON, constants.UPDATE_DICT])) update_hm_flow.add(database_tasks.MarkHealthMonitorActiveInDB( requires=constants.HEALTH_MON)) update_hm_flow.add(database_tasks.MarkPoolActiveInDB( requires=constants.POOL)) update_hm_flow.add(database_tasks.MarkLBAndListenersActiveInDB( requires=[constants.LOADBALANCER, constants.LISTENERS])) return update_hm_flow