| /** |
| * |
| * 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.hadoop.hbase.tool; |
| |
| import java.util.Arrays; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.HBaseConfiguration; |
| import org.apache.hadoop.hbase.HBaseInterfaceAudience; |
| import org.apache.hadoop.hbase.tool.coprocessor.CoprocessorValidator; |
| import org.apache.hadoop.hbase.util.AbstractHBaseTool; |
| import org.apache.hadoop.util.Tool; |
| import org.apache.hadoop.util.ToolRunner; |
| import org.apache.yetus.audience.InterfaceAudience; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Tool for validating that cluster can be upgraded from HBase 1.x to 2.0 |
| * <p> |
| * Available validations: |
| * <ul> |
| * <li>validate-cp: Validates Co-processors compatibility</li> |
| * <li>validate-dbe: Check Data Block Encoding for column families</li> |
| * <li>validate-hfile: Check for corrupted HFiles</li> |
| * </ul> |
| * </p> |
| */ |
| @InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.TOOLS) |
| public class PreUpgradeValidator implements Tool { |
| private static final Logger LOG = LoggerFactory |
| .getLogger(PreUpgradeValidator.class); |
| |
| public static final String TOOL_NAME = "pre-upgrade"; |
| public static final String VALIDATE_CP_NAME = "validate-cp"; |
| public static final String VALIDATE_DBE_NAME = "validate-dbe"; |
| public static final String VALIDATE_HFILE = "validate-hfile"; |
| |
| private Configuration configuration; |
| |
| @Override |
| public Configuration getConf() { |
| return configuration; |
| } |
| |
| @Override |
| public void setConf(Configuration conf) { |
| this.configuration = conf; |
| } |
| |
| private void printUsage() { |
| System.out.println("usage: hbase " + TOOL_NAME + " command ..."); |
| System.out.println("Available commands:"); |
| System.out.printf(" %-15s Validate co-processors are compatible with HBase%n", |
| VALIDATE_CP_NAME); |
| System.out.printf(" %-15s Validate DataBlockEncodings are compatible with HBase%n", |
| VALIDATE_DBE_NAME); |
| System.out.printf(" %-15s Validate HFile contents are readable%n", |
| VALIDATE_HFILE); |
| System.out.println("For further information, please use command -h"); |
| } |
| |
| @Override |
| public int run(String[] args) throws Exception { |
| if (args.length == 0) { |
| printUsage(); |
| return AbstractHBaseTool.EXIT_FAILURE; |
| } |
| |
| Tool tool; |
| |
| switch (args[0]) { |
| case VALIDATE_CP_NAME: |
| tool = new CoprocessorValidator(); |
| break; |
| case VALIDATE_DBE_NAME: |
| tool = new DataBlockEncodingValidator(); |
| break; |
| case VALIDATE_HFILE: |
| tool = new HFileContentValidator(); |
| break; |
| case "-h": |
| printUsage(); |
| return AbstractHBaseTool.EXIT_FAILURE; |
| default: |
| System.err.println("Unknown command: " + args[0]); |
| printUsage(); |
| return AbstractHBaseTool.EXIT_FAILURE; |
| } |
| |
| tool.setConf(getConf()); |
| return tool.run(Arrays.copyOfRange(args, 1, args.length)); |
| } |
| |
| public static void main(String[] args) { |
| int ret; |
| |
| Configuration conf = HBaseConfiguration.create(); |
| |
| try { |
| ret = ToolRunner.run(conf, new PreUpgradeValidator(), args); |
| } catch (Exception e) { |
| LOG.error("Error running command-line tool", e); |
| ret = AbstractHBaseTool.EXIT_FAILURE; |
| } |
| |
| System.exit(ret); |
| } |
| } |