102 lines
4.5 KiB
Python
102 lines
4.5 KiB
Python
# Copyright 2015 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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from taskflow.patterns import linear_flow
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from octavia.common import constants
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from octavia.controller.worker.v2.tasks import amphora_driver_tasks
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from octavia.controller.worker.v2.tasks import database_tasks
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from octavia.controller.worker.v2.tasks import lifecycle_tasks
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class HealthMonitorFlows(object):
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def get_create_health_monitor_flow(self):
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"""Create a flow to create a health monitor
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:returns: The flow for creating a health monitor
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"""
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create_hm_flow = linear_flow.Flow(constants.CREATE_HEALTH_MONITOR_FLOW)
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create_hm_flow.add(lifecycle_tasks.HealthMonitorToErrorOnRevertTask(
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requires=[constants.HEALTH_MON,
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constants.LISTENERS,
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constants.LOADBALANCER]))
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create_hm_flow.add(database_tasks.MarkHealthMonitorPendingCreateInDB(
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requires=constants.HEALTH_MON))
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create_hm_flow.add(amphora_driver_tasks.ListenersUpdate(
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requires=constants.LOADBALANCER_ID))
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create_hm_flow.add(database_tasks.MarkHealthMonitorActiveInDB(
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requires=constants.HEALTH_MON))
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create_hm_flow.add(database_tasks.MarkPoolActiveInDB(
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requires=constants.POOL_ID))
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create_hm_flow.add(database_tasks.MarkLBAndListenersActiveInDB(
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requires=(constants.LOADBALANCER_ID, constants.LISTENERS)))
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return create_hm_flow
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def get_delete_health_monitor_flow(self):
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"""Create a flow to delete a health monitor
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:returns: The flow for deleting a health monitor
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"""
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delete_hm_flow = linear_flow.Flow(constants.DELETE_HEALTH_MONITOR_FLOW)
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delete_hm_flow.add(lifecycle_tasks.HealthMonitorToErrorOnRevertTask(
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requires=[constants.HEALTH_MON,
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constants.LISTENERS,
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constants.LOADBALANCER]))
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delete_hm_flow.add(database_tasks.MarkHealthMonitorPendingDeleteInDB(
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requires=constants.HEALTH_MON))
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delete_hm_flow.add(amphora_driver_tasks.ListenersUpdate(
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requires=constants.LOADBALANCER_ID))
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delete_hm_flow.add(database_tasks.DeleteHealthMonitorInDB(
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requires=constants.HEALTH_MON))
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delete_hm_flow.add(database_tasks.DecrementHealthMonitorQuota(
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requires=constants.PROJECT_ID))
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delete_hm_flow.add(
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database_tasks.UpdatePoolMembersOperatingStatusInDB(
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requires=constants.POOL_ID,
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inject={constants.OPERATING_STATUS: constants.NO_MONITOR}))
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delete_hm_flow.add(database_tasks.MarkPoolActiveInDB(
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requires=constants.POOL_ID))
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delete_hm_flow.add(database_tasks.MarkLBAndListenersActiveInDB(
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requires=(constants.LOADBALANCER_ID, constants.LISTENERS)))
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return delete_hm_flow
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def get_update_health_monitor_flow(self):
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"""Create a flow to update a health monitor
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:returns: The flow for updating a health monitor
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"""
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update_hm_flow = linear_flow.Flow(constants.UPDATE_HEALTH_MONITOR_FLOW)
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update_hm_flow.add(lifecycle_tasks.HealthMonitorToErrorOnRevertTask(
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requires=[constants.HEALTH_MON,
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constants.LISTENERS,
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constants.LOADBALANCER]))
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update_hm_flow.add(database_tasks.MarkHealthMonitorPendingUpdateInDB(
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requires=constants.HEALTH_MON))
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update_hm_flow.add(amphora_driver_tasks.ListenersUpdate(
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requires=constants.LOADBALANCER_ID))
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update_hm_flow.add(database_tasks.UpdateHealthMonInDB(
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requires=[constants.HEALTH_MON, constants.UPDATE_DICT]))
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update_hm_flow.add(database_tasks.MarkHealthMonitorActiveInDB(
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requires=constants.HEALTH_MON))
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update_hm_flow.add(database_tasks.MarkPoolActiveInDB(
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requires=constants.POOL_ID))
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update_hm_flow.add(database_tasks.MarkLBAndListenersActiveInDB(
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requires=(constants.LOADBALANCER_ID, constants.LISTENERS)))
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return update_hm_flow
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