/*
* 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.master.state;
import org.apache.accumulo.core.Constants;
import org.apache.accumulo.core.master.thrift.MasterGoalState;
import org.apache.accumulo.core.security.SecurityUtil;
import org.apache.accumulo.core.zookeeper.ZooUtil;
import org.apache.accumulo.fate.zookeeper.ZooUtil.NodeExistsPolicy;
import org.apache.accumulo.server.Accumulo;
import org.apache.accumulo.server.client.HdfsZooInstance;
import org.apache.accumulo.server.conf.ServerConfiguration;
import org.apache.accumulo.server.fs.VolumeManager;
import org.apache.accumulo.server.fs.VolumeManagerImpl;
import org.apache.accumulo.server.zookeeper.ZooReaderWriter;
public class SetGoalState {
/**
* Utility program that will change the goal state for the master from the command line.
*/
public static void main(String[] args) throws Exception {
if (args.length != 1 || MasterGoalState.valueOf(args[0]) == null) {
System.err.println("Usage: accumulo " + SetGoalState.class.getName() + " [NORMAL|SAFE_MODE|CLEAN_STOP]");
System.exit(-1);
}
SecurityUtil.serverLogin(ServerConfiguration.getSiteConfiguration());
VolumeManager fs = VolumeManagerImpl.get();
Accumulo.waitForZookeeperAndHdfs(fs);
ZooReaderWriter.getInstance().putPersistentData(ZooUtil.getRoot(HdfsZooInstance.getInstance()) + Constants.ZMASTER_GOAL_STATE, args[0].getBytes(Constants.UTF8),
NodeExistsPolicy.OVERWRITE);
}
}