| /* |
| * 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.accumulo.manager.state; |
| |
| import static java.nio.charset.StandardCharsets.UTF_8; |
| |
| import org.apache.accumulo.core.Constants; |
| import org.apache.accumulo.core.conf.SiteConfiguration; |
| import org.apache.accumulo.core.master.thrift.ManagerGoalState; |
| import org.apache.accumulo.core.singletons.SingletonManager; |
| import org.apache.accumulo.core.singletons.SingletonManager.Mode; |
| import org.apache.accumulo.fate.zookeeper.ZooUtil.NodeExistsPolicy; |
| import org.apache.accumulo.manager.upgrade.RenameMasterDirInZK; |
| import org.apache.accumulo.server.ServerContext; |
| import org.apache.accumulo.server.ServerUtil; |
| import org.apache.accumulo.server.security.SecurityUtil; |
| |
| public class SetGoalState { |
| |
| /** |
| * Utility program that will change the goal state for the manager from the command line. |
| */ |
| public static void main(String[] args) throws Exception { |
| if (args.length != 1 || ManagerGoalState.valueOf(args[0]) == null) { |
| System.err.println( |
| "Usage: accumulo " + SetGoalState.class.getName() + " [NORMAL|SAFE_MODE|CLEAN_STOP]"); |
| System.exit(-1); |
| } |
| |
| try { |
| var context = new ServerContext(SiteConfiguration.auto()); |
| RenameMasterDirInZK.renameMasterDirInZK(context); |
| SecurityUtil.serverLogin(context.getConfiguration()); |
| ServerUtil.waitForZookeeperAndHdfs(context); |
| context.getZooReaderWriter().putPersistentData( |
| context.getZooKeeperRoot() + Constants.ZMANAGER_GOAL_STATE, args[0].getBytes(UTF_8), |
| NodeExistsPolicy.OVERWRITE); |
| } finally { |
| SingletonManager.setMode(Mode.CLOSED); |
| } |
| } |
| |
| } |