[AMBARI-23036] Create Lifecycle changes for Upgrade Packs #430
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you 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. | ||
| */ | ||
| package org.apache.ambari.server.state.stack.upgrade; | ||
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| import java.util.List; | ||
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| import javax.xml.bind.annotation.XmlAccessType; | ||
| import javax.xml.bind.annotation.XmlAccessorType; | ||
| import javax.xml.bind.annotation.XmlAttribute; | ||
| import javax.xml.bind.annotation.XmlElement; | ||
| import javax.xml.bind.annotation.XmlElementWrapper; | ||
| import javax.xml.bind.annotation.XmlEnum; | ||
| import javax.xml.bind.annotation.XmlEnumValue; | ||
| import javax.xml.bind.annotation.XmlRootElement; | ||
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| /** | ||
| * A lifecycle is used to delineate specific portions of an upgrade. Orchestration | ||
| * will occur based on the lifecycle phases in order they are declared in {@link LifecycleType} | ||
| */ | ||
| @XmlAccessorType(XmlAccessType.FIELD) | ||
| @XmlRootElement | ||
| public class Lifecycle { | ||
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| @XmlAttribute | ||
| public LifecycleType type; | ||
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| @XmlElementWrapper(name="order") | ||
| @XmlElement(name="group") | ||
| public List<Grouping> groups; | ||
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| /** | ||
| * Identifies the lifecycle types | ||
| */ | ||
| @XmlEnum | ||
| public enum LifecycleType { | ||
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| /** | ||
| * Work required that can be classified as installation. Normally installation of | ||
| * bits occurs outside the scope of upgrade orchestration. | ||
| */ | ||
| @XmlEnumValue("install") | ||
| INSTALL, | ||
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Member
There was a problem hiding this comment. Are we using ordinal values to determine the flow? I'd be worried if someone changes the ordering. Can we add a physical value to each enum (or create an ordered collection). I just want to have the order tightly defined.
Contributor
Author
There was a problem hiding this comment. Good point. I'll add a float for ordering. |
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| /** | ||
| * Work to stop and wait on, for example, queues or topologies. | ||
| */ | ||
| @XmlEnumValue("quiet") | ||
| QUIET, | ||
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| /** | ||
| * Work required to snapshot or other backup. | ||
| */ | ||
| @XmlEnumValue("snapshot") | ||
| SNAPSHOT, | ||
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| /** | ||
| * Work required to prepare to upgrade. | ||
| */ | ||
| @XmlEnumValue("prepare") | ||
| PREPARE, | ||
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| /** | ||
| * Work required to stop a service. | ||
| */ | ||
| @XmlEnumValue("stop") | ||
| STOP, | ||
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| /** | ||
| * For a Rolling upgrade, work required to restart and upgrade the service. | ||
| */ | ||
| @XmlEnumValue("upgrade") | ||
| UPGRADE, | ||
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| /** | ||
| * Work required to start a service. | ||
| */ | ||
| @XmlEnumValue("start") | ||
| START, | ||
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| /** | ||
| * Work required to finalize. Will not happen until the end of the upgrade. | ||
| */ | ||
| @XmlEnumValue("finalize") | ||
| FINALIZE | ||
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| } | ||
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| } | ||
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Can you define the ordering here in this comment?
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Surely.