# octavia.controller.worker.v2.tasks.lifecycle_tasks

# Source code for octavia.controller.worker.v2.tasks.lifecycle_tasks

    #    Copyright 2016 Rackspace
    #
    #    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 import task

    from octavia.common import constants
    from octavia.controller.worker import task_utils as task_utilities

    class BaseLifecycleTask(task.Task):
        """Base task to instantiate common classes."""

        def __init__(self, **kwargs):
            self.task_utils = task_utilities.TaskUtils()
            super().__init__(**kwargs)

    class AmphoraIDToErrorOnRevertTask(BaseLifecycleTask):
        """Task to checkpoint Amphora lifecycle milestones."""

        def execute(self, amphora_id):
            pass

        def revert(self, amphora_id, *args, **kwargs):
            self.task_utils.mark_amphora_status_error(amphora_id)

    class AmphoraToErrorOnRevertTask(AmphoraIDToErrorOnRevertTask):
        """Task to checkpoint Amphora lifecycle milestones."""

        def execute(self, amphora):
            pass

        def revert(self, amphora, *args, **kwargs):
            super().revert(
                amphora.get(constants.ID))

    class HealthMonitorToErrorOnRevertTask(BaseLifecycleTask):
        """Task to set a member to ERROR on revert."""

        def execute(self, health_mon, listeners, loadbalancer):
            pass

        def revert(self, health_mon, listeners, loadbalancer, *args, **kwargs):
            try:
                self.task_utils.mark_health_mon_prov_status_error(
                    health_mon[constants.HEALTHMONITOR_ID])
                self.task_utils.mark_pool_prov_status_active(
                    health_mon[constants.POOL_ID])
                for listener in listeners:
                    self.task_utils.mark_listener_prov_status_active(
                        listener[constants.LISTENER_ID])
            except Exception:
                # Catching and skipping, errors are already reported by task_utils
                # and we want to ensure that mark_loadbalancer_prov_status_active
                # is called to unlock the LB (it will pass or it will fail after a
                # very long timeout)
                pass
            self.task_utils.mark_loadbalancer_prov_status_active(
                loadbalancer[constants.LOADBALANCER_ID])

    class L7PolicyToErrorOnRevertTask(BaseLifecycleTask):
        """Task to set a l7policy to ERROR on revert."""

        def execute(self, l7policy, listeners, loadbalancer_id):
            pass

        def revert(self, l7policy, listeners, loadbalancer_id, *args, **kwargs):
            try:
                self.task_utils.mark_l7policy_prov_status_error(
                    l7policy[constants.L7POLICY_ID])
                for listener in listeners:
                    self.task_utils.mark_listener_prov_status_active(
                        listener[constants.LISTENER_ID])
            except Exception:
                # Catching and skipping, errors are already reported by task_utils
                # and we want to ensure that mark_loadbalancer_prov_status_active
                # is called to unlock the LB (it will pass or it will fail after a
                # very long timeout)
                pass
            self.task_utils.mark_loadbalancer_prov_status_active(loadbalancer_id)

    class L7RuleToErrorOnRevertTask(BaseLifecycleTask):
        """Task to set a l7rule to ERROR on revert."""

        def execute(self, l7rule, l7policy_id, listeners, loadbalancer_id):
            pass

        def revert(self, l7rule, l7policy_id, listeners, loadbalancer_id, *args,
                   **kwargs):
            try:
                self.task_utils.mark_l7rule_prov_status_error(
                    l7rule[constants.L7RULE_ID])
                self.task_utils.mark_l7policy_prov_status_active(l7policy_id)
                for listener in listeners:
                    self.task_utils.mark_listener_prov_status_active(
                        listener[constants.LISTENER_ID])
            except Exception:
                # Catching and skipping, errors are already reported by task_utils
                # and we want to ensure that mark_loadbalancer_prov_status_active
                # is called to unlock the LB (it will pass or it will fail after a
                # very long timeout)
                pass
            self.task_utils.mark_loadbalancer_prov_status_active(
                loadbalancer_id)

    class ListenerToErrorOnRevertTask(BaseLifecycleTask):
        """Task to set a listener to ERROR on revert."""

        def execute(self, listener):
            pass

        def revert(self, listener, *args, **kwargs):
            try:
                self.task_utils.mark_listener_prov_status_error(
                    listener[constants.LISTENER_ID])
            except Exception:
                # Catching and skipping, errors are already reported by task_utils
                # and we want to ensure that mark_loadbalancer_prov_status_active
                # is called to unlock the LB (it will pass or it will fail after a
                # very long timeout)
                pass
            self.task_utils.mark_loadbalancer_prov_status_active(
                listener[constants.LOADBALANCER_ID])

    class ListenersToErrorOnRevertTask(BaseLifecycleTask):
        """Task to set a listener to ERROR on revert."""

        def execute(self, listeners):
            pass

        def revert(self, listeners, *args, **kwargs):
            try:
                for listener in listeners:
                    self.task_utils.mark_listener_prov_status_error(
                        listener[constants.LISTENER_ID])
            except Exception:
                # Catching and skipping, errors are already reported by task_utils
                # and we want to ensure that mark_loadbalancer_prov_status_active
                # is called to unlock the LB (it will pass or it will fail after a
                # very long timeout)
                pass
            self.task_utils.mark_loadbalancer_prov_status_active(
                listeners[0][constants.LOADBALANCER_ID])

    class LoadBalancerIDToErrorOnRevertTask(BaseLifecycleTask):
        """Task to set the load balancer to ERROR on revert."""

        def execute(self, loadbalancer_id):
            pass

        def revert(self, loadbalancer_id, *args, **kwargs):
            self.task_utils.mark_loadbalancer_prov_status_error(loadbalancer_id)

    class LoadBalancerToErrorOnRevertTask(LoadBalancerIDToErrorOnRevertTask):
        """Task to set the load balancer to ERROR on revert."""

        def execute(self, loadbalancer):
            pass

        def revert(self, loadbalancer, *args, **kwargs):
            super().revert(
                loadbalancer[constants.LOADBALANCER_ID])

    class MemberToErrorOnRevertTask(BaseLifecycleTask):
        """Task to set a member to ERROR on revert."""

        def execute(self, member, listeners, loadbalancer, pool_id):
            pass

        def revert(self, member, listeners, loadbalancer, pool_id, *args,
                   **kwargs):
            try:
                self.task_utils.mark_member_prov_status_error(
                    member[constants.MEMBER_ID])
                for listener in listeners:
                    self.task_utils.mark_listener_prov_status_active(
                        listener[constants.LISTENER_ID])
                self.task_utils.mark_pool_prov_status_active(pool_id)
            except Exception:
                # Catching and skipping, errors are already reported by task_utils
                # and we want to ensure that mark_loadbalancer_prov_status_active
                # is called to unlock the LB (it will pass or it will fail after a
                # very long timeout)
                pass
            self.task_utils.mark_loadbalancer_prov_status_active(
                loadbalancer[constants.LOADBALANCER_ID])

    class MembersToErrorOnRevertTask(BaseLifecycleTask):
        """Task to set members to ERROR on revert."""

        def execute(self, members, listeners, loadbalancer, pool_id):
            pass

        def revert(self, members, listeners, loadbalancer, pool_id, *args,
                   **kwargs):
            try:
                for m in members:
                    self.task_utils.mark_member_prov_status_error(
                        m[constants.MEMBER_ID])
                for listener in listeners:
                    self.task_utils.mark_listener_prov_status_active(
                        listener[constants.LISTENER_ID])
                self.task_utils.mark_pool_prov_status_active(pool_id)
            except Exception:
                # Catching and skipping, errors are already reported by task_utils
                # and we want to ensure that mark_loadbalancer_prov_status_active
                # is called to unlock the LB (it will pass or it will fail after a
                # very long timeout)
                pass
            self.task_utils.mark_loadbalancer_prov_status_active(
                loadbalancer[constants.LOADBALANCER_ID])

    class PoolToErrorOnRevertTask(BaseLifecycleTask):
        """Task to set a pool to ERROR on revert."""

        def execute(self, pool_id, listeners, loadbalancer):
            pass

        def revert(self, pool_id, listeners, loadbalancer, *args, **kwargs):
            try:
                self.task_utils.mark_pool_prov_status_error(pool_id)
                for listener in listeners:
                    self.task_utils.mark_listener_prov_status_active(
                        listener[constants.LISTENER_ID])
            except Exception:
                # Catching and skipping, errors are already reported by task_utils
                # and we want to ensure that mark_loadbalancer_prov_status_active
                # is called to unlock the LB (it will pass or it will fail after a
                # very long timeout)
                pass
            self.task_utils.mark_loadbalancer_prov_status_active(
                loadbalancer[constants.LOADBALANCER_ID])

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

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