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...r/src/main/java/org/apache/bigtop/manager/server/command/helper/ComponentStageHelper.java
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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 | ||
| * | ||
| * https://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.bigtop.manager.server.command.helper; | ||
|
|
||
| import org.apache.bigtop.manager.common.enums.Command; | ||
| import org.apache.bigtop.manager.server.command.stage.ComponentAddStage; | ||
| import org.apache.bigtop.manager.server.command.stage.ComponentCheckStage; | ||
| import org.apache.bigtop.manager.server.command.stage.ComponentConfigureStage; | ||
| import org.apache.bigtop.manager.server.command.stage.ComponentInitStage; | ||
| import org.apache.bigtop.manager.server.command.stage.ComponentPrepareStage; | ||
| import org.apache.bigtop.manager.server.command.stage.ComponentStartStage; | ||
| import org.apache.bigtop.manager.server.command.stage.ComponentStopStage; | ||
| import org.apache.bigtop.manager.server.command.stage.Stage; | ||
| import org.apache.bigtop.manager.server.command.stage.StageContext; | ||
| import org.apache.bigtop.manager.server.command.task.Task; | ||
| import org.apache.bigtop.manager.server.exception.ServerException; | ||
| import org.apache.bigtop.manager.server.model.dto.CommandDTO; | ||
| import org.apache.bigtop.manager.server.model.dto.ComponentDTO; | ||
| import org.apache.bigtop.manager.server.model.dto.ServiceDTO; | ||
| import org.apache.bigtop.manager.server.utils.StackUtils; | ||
|
|
||
| import org.apache.commons.collections4.CollectionUtils; | ||
|
|
||
| import lombok.extern.slf4j.Slf4j; | ||
|
|
||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
|
|
||
| @Slf4j | ||
| public class ComponentStageHelper { | ||
|
|
||
| public static List<Stage> createComponentStages(Map<String, List<String>> componentHosts, CommandDTO commandDTO) { | ||
| return createComponentStages(componentHosts, commandDTO.getCommand(), commandDTO); | ||
| } | ||
|
|
||
| public static List<Stage> createComponentStages( | ||
| Map<String, List<String>> componentHosts, Command command, CommandDTO commandDTO) { | ||
| return createComponentStages(componentHosts, List.of(command), commandDTO); | ||
| } | ||
|
|
||
| public static List<Stage> createComponentStages( | ||
| Map<String, List<String>> componentHosts, List<Command> commands, CommandDTO commandDTO) { | ||
| List<Stage> stages = new ArrayList<>(); | ||
| List<String> componentNames = new ArrayList<>(componentHosts.keySet()); | ||
| List<String> todoList = getTodoList(componentNames, commands); | ||
|
|
||
| for (String componentCommand : todoList) { | ||
| String[] split = componentCommand.split("-"); | ||
| String componentName = split[0].toLowerCase(); | ||
| Command command = Command.valueOf(split[1].toUpperCase()); | ||
|
|
||
| List<String> hostnames = componentHosts.get(componentName); | ||
| if (CollectionUtils.isEmpty(hostnames)) { | ||
| continue; | ||
| } | ||
|
|
||
| StageContext stageContext; | ||
| switch (command) { | ||
| case ADD: | ||
| stageContext = createStageContext(componentName, hostnames, commandDTO); | ||
| stages.add(new ComponentAddStage(stageContext)); | ||
| break; | ||
| case START: | ||
| if (!StackUtils.isClientComponent(componentName)) { | ||
| stageContext = createStageContext(componentName, hostnames, commandDTO); | ||
| stages.add(new ComponentStartStage(stageContext)); | ||
| } | ||
| break; | ||
| case STOP: | ||
| if (!StackUtils.isClientComponent(componentName)) { | ||
| stageContext = createStageContext(componentName, hostnames, commandDTO); | ||
| stages.add(new ComponentStopStage(stageContext)); | ||
| } | ||
| break; | ||
| case CHECK: | ||
| if (!StackUtils.isClientComponent(componentName)) { | ||
| stageContext = createStageContext(componentName, List.of(hostnames.get(0)), commandDTO); | ||
| stages.add(new ComponentCheckStage(stageContext)); | ||
| } | ||
| break; | ||
| case CONFIGURE: | ||
| stageContext = createStageContext(componentName, hostnames, commandDTO); | ||
| stages.add(new ComponentConfigureStage(stageContext)); | ||
| break; | ||
| case INIT: | ||
| stageContext = createStageContext(componentName, hostnames, commandDTO); | ||
| stages.add(new ComponentInitStage(stageContext)); | ||
| break; | ||
| case PREPARE: | ||
| // Prepare phase runs after component started, client component shouldn't create this. | ||
| if (!StackUtils.isClientComponent(componentName)) { | ||
| stageContext = createStageContext(componentName, hostnames, commandDTO); | ||
| stages.add(new ComponentPrepareStage(stageContext)); | ||
| } | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| return stages; | ||
| } | ||
|
|
||
| private static StageContext createStageContext( | ||
| String componentName, List<String> hostnames, CommandDTO commandDTO) { | ||
| StageContext stageContext = StageContext.fromCommandDTO(commandDTO); | ||
|
|
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| ServiceDTO serviceDTO = StackUtils.getServiceDTOByComponentName(componentName); | ||
| ComponentDTO componentDTO = StackUtils.getComponentDTO(componentName); | ||
|
|
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| stageContext.setHostnames(hostnames); | ||
| stageContext.setServiceDTO(serviceDTO); | ||
| stageContext.setComponentDTO(componentDTO); | ||
|
|
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| return stageContext; | ||
| } | ||
|
|
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| private static List<String> getTodoList(List<String> componentNames, Command command) { | ||
| return getTodoList(componentNames, List.of(command)); | ||
| } | ||
|
|
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| private static List<String> getTodoList(List<String> componentNames, List<Command> commands) { | ||
| try { | ||
| List<String> orderedList = | ||
| StackUtils.DAG.getAllNodesList().isEmpty() ? new ArrayList<>() : StackUtils.DAG.topologicalSort(); | ||
| orderedList.replaceAll(String::toUpperCase); | ||
| List<String> componentCommandNames = new ArrayList<>(); | ||
| for (String componentName : componentNames) { | ||
| for (Command command : commands) { | ||
| String name = | ||
| componentName.toUpperCase() + "-" + command.name().toUpperCase(); | ||
| componentCommandNames.add(name); | ||
| } | ||
| } | ||
|
|
||
| // Re-order the commands, since order.json does not contain all commands, | ||
| // only contains which has dependencies, we need to add the rest to the end. | ||
| if (commands.size() == 1) { | ||
| orderedList.retainAll(componentCommandNames); | ||
| componentCommandNames.removeAll(orderedList); | ||
| orderedList.addAll(componentCommandNames); | ||
| return orderedList; | ||
| } else { | ||
| // TODO, order.json currently only contains start/stop dependencies of major components, the situation | ||
| // of commands size greater than 1 is only with init/start/prepare commands, we see this as a special | ||
| // situation and use special logic for it, should use a better solution in the future. | ||
| orderedList.retainAll(componentCommandNames); | ||
| componentCommandNames.removeAll(orderedList); | ||
|
|
||
| List<String> res = new ArrayList<>(); | ||
| List<String> commandOrder = List.of("ADD", "CONFIGURE", "INIT", "START", "PREPARE", "CHECK"); | ||
| for (String command : commandOrder) { | ||
| List<String> filtered = componentCommandNames.stream() | ||
| .filter(s -> s.endsWith(command)) | ||
| .toList(); | ||
| res.addAll(filtered); | ||
| if (command.equals("START")) { | ||
| res.addAll(orderedList); | ||
| } | ||
| } | ||
|
|
||
| return res; | ||
| } | ||
|
|
||
| } catch (Exception e) { | ||
| throw new ServerException(e); | ||
| } | ||
| } | ||
|
|
||
| public static void printStageDump(List<Stage> stages) { | ||
| log.info("Dumping stages..."); | ||
| for (Stage stage : stages) { | ||
| List<String> taskNames = | ||
| stage.getTasks().stream().map(Task::getName).toList(); | ||
| log.info("[{}] : [{}]", stage.getName(), String.join(",", taskNames)); | ||
| } | ||
| } | ||
| } |
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