# octavia.controller.worker.v2.flows.l7policy_flows

# Source code for octavia.controller.worker.v2.flows.l7policy_flows

    # Copyright 2016 Blue Box, an IBM Company
    #
    # 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
    # License for the specific language governing permissions and limitations
    # under the License.
    #

    from taskflow.patterns import linear_flow

    from octavia.common import constants
    from octavia.controller.worker.v2.tasks import amphora_driver_tasks
    from octavia.controller.worker.v2.tasks import database_tasks
    from octavia.controller.worker.v2.tasks import lifecycle_tasks

    class L7PolicyFlows:

        def get_create_l7policy_flow(self):
            """Create a flow to create an L7 policy

            :returns: The flow for creating an L7 policy
            """
            create_l7policy_flow = linear_flow.Flow(constants.CREATE_L7POLICY_FLOW)
            create_l7policy_flow.add(lifecycle_tasks.L7PolicyToErrorOnRevertTask(
                requires=[constants.L7POLICY,
                          constants.LISTENERS,
                          constants.LOADBALANCER_ID]))
            create_l7policy_flow.add(database_tasks.MarkL7PolicyPendingCreateInDB(
                requires=constants.L7POLICY))
            create_l7policy_flow.add(amphora_driver_tasks.ListenersUpdate(
                requires=constants.LOADBALANCER_ID))
            create_l7policy_flow.add(database_tasks.MarkL7PolicyActiveInDB(
                requires=constants.L7POLICY))
            create_l7policy_flow.add(database_tasks.MarkLBAndListenersActiveInDB(
                requires=(constants.LOADBALANCER_ID, constants.LISTENERS)))

            return create_l7policy_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_ID]))
            delete_l7policy_flow.add(database_tasks.MarkL7PolicyPendingDeleteInDB(
                requires=constants.L7POLICY))
            delete_l7policy_flow.add(amphora_driver_tasks.ListenersUpdate(
                requires=constants.LOADBALANCER_ID))
            delete_l7policy_flow.add(database_tasks.DeleteL7PolicyInDB(
                requires=constants.L7POLICY))
            delete_l7policy_flow.add(database_tasks.DecrementL7policyQuota(
                requires=constants.L7POLICY))
            delete_l7policy_flow.add(database_tasks.MarkLBAndListenersActiveInDB(
                requires=(constants.LOADBALANCER_ID, constants.LISTENERS)))

            return delete_l7policy_flow

        def get_update_l7policy_flow(self):
            """Create a flow to update an L7 policy

            :returns: The flow for updating an L7 policy
            """
            update_l7policy_flow = linear_flow.Flow(constants.UPDATE_L7POLICY_FLOW)
            update_l7policy_flow.add(lifecycle_tasks.L7PolicyToErrorOnRevertTask(
                requires=[constants.L7POLICY,
                          constants.LISTENERS,
                          constants.LOADBALANCER_ID]))
            update_l7policy_flow.add(database_tasks.MarkL7PolicyPendingUpdateInDB(
                requires=constants.L7POLICY))
            update_l7policy_flow.add(amphora_driver_tasks.ListenersUpdate(
                requires=constants.LOADBALANCER_ID))
            update_l7policy_flow.add(database_tasks.UpdateL7PolicyInDB(
                requires=[constants.L7POLICY, constants.UPDATE_DICT]))
            update_l7policy_flow.add(database_tasks.MarkL7PolicyActiveInDB(
                requires=constants.L7POLICY))
            update_l7policy_flow.add(database_tasks.MarkLBAndListenersActiveInDB(
                requires=(constants.LOADBALANCER_ID, constants.LISTENERS)))

            return update_l7policy_flow

this page last updated: 2026-04-13 15:26:39

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