| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.hdds.scm.cli.datanode; |
| |
| import org.apache.hadoop.hdds.cli.HddsVersionProvider; |
| import org.apache.hadoop.hdds.scm.cli.ScmSubcommand; |
| import org.apache.hadoop.hdds.scm.client.ScmClient; |
| import picocli.CommandLine; |
| import picocli.CommandLine.Command; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Place one or more datanodes into Maintenance Mode. |
| */ |
| @Command( |
| name = "maintenance", |
| description = "Put a datanode into Maintenance Mode", |
| mixinStandardHelpOptions = true, |
| versionProvider = HddsVersionProvider.class) |
| public class MaintenanceSubCommand extends ScmSubcommand { |
| |
| @CommandLine.Parameters(description = "List of fully qualified host names") |
| private List<String> hosts = new ArrayList<String>(); |
| |
| @CommandLine.Option(names = {"--end"}, |
| description = "Automatically end maintenance after the given hours. "+ |
| "By default, maintenance must be ended manually.") |
| private int endInHours = 0; |
| |
| @Override |
| public void execute(ScmClient scmClient) throws IOException { |
| scmClient.startMaintenanceNodes(hosts, endInHours); |
| } |
| } |