| /** |
| * |
| * 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.snapshot; |
| |
| import org.apache.commons.cli.CommandLine; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.client.Admin; |
| import org.apache.hadoop.hbase.client.Connection; |
| import org.apache.hadoop.hbase.client.ConnectionFactory; |
| import org.apache.hadoop.hbase.client.SnapshotDescription; |
| import org.apache.hadoop.hbase.protobuf.ProtobufUtil; |
| import org.apache.hadoop.hbase.protobuf.generated.HBaseProtos; |
| import org.apache.hadoop.hbase.util.AbstractHBaseTool; |
| import java.util.Arrays; |
| |
| |
| /** |
| * This is a command line class that will snapshot a given table. |
| */ |
| public class CreateSnapshot extends AbstractHBaseTool { |
| private String tableName = null; |
| private String snapshotName = null; |
| private String snapshotType = null; |
| |
| public static void main(String[] args) { |
| new CreateSnapshot().doStaticMain(args); |
| } |
| |
| @Override |
| protected void addOptions() { |
| this.addRequiredOptWithArg("t", "table", "The name of the table"); |
| this.addRequiredOptWithArg("n", "name", "The name of the created snapshot"); |
| this.addOptWithArg("s", "snapshot_type", |
| "Snapshot Type. FLUSH is default. Posible values are " |
| + Arrays.toString(HBaseProtos.SnapshotDescription.Type.values())); |
| } |
| |
| @Override |
| protected void processOptions(CommandLine cmd) { |
| this.tableName = cmd.getOptionValue('t'); |
| this.snapshotName = cmd.getOptionValue('n'); |
| this.snapshotType = cmd.getOptionValue('s'); |
| |
| } |
| |
| @Override |
| protected int doWork() throws Exception { |
| Connection connection = null; |
| Admin admin = null; |
| try { |
| connection = ConnectionFactory.createConnection(getConf()); |
| admin = connection.getAdmin(); |
| HBaseProtos.SnapshotDescription.Type type = HBaseProtos.SnapshotDescription.Type.FLUSH; |
| if (snapshotType != null) { |
| type = ProtobufUtil.createProtosSnapShotDescType(snapshotName); |
| } |
| admin.snapshot(new SnapshotDescription(snapshotName, tableName, |
| ProtobufUtil.createSnapshotType(type))); |
| } catch (Exception e) { |
| return -1; |
| } finally { |
| if (admin != null) { |
| admin.close(); |
| } |
| if (connection != null) { |
| connection.close(); |
| } |
| } |
| return 0; |
| } |
| |
| } |