| /* |
| * 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; |
| |
| import java.io.IOException; |
| import java.util.Map; |
| |
| import org.apache.commons.lang3.tuple.Pair; |
| import org.apache.hadoop.hdds.cli.HddsVersionProvider; |
| import org.apache.hadoop.hdds.scm.client.ScmClient; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import picocli.CommandLine; |
| import picocli.CommandLine.Command; |
| |
| /** |
| * This is the handler that process safe mode check command. |
| */ |
| @Command( |
| name = "status", |
| description = "Check if SCM is in safe mode", |
| mixinStandardHelpOptions = true, |
| versionProvider = HddsVersionProvider.class) |
| public class SafeModeCheckSubcommand extends ScmSubcommand { |
| |
| private static final Logger LOG = |
| LoggerFactory.getLogger(SafeModeCheckSubcommand.class); |
| |
| @CommandLine.Option(names = {"--verbose"}, |
| description = "Show detailed status of rules.") |
| private boolean verbose; |
| |
| @Override |
| public void execute(ScmClient scmClient) throws IOException { |
| boolean execReturn = scmClient.inSafeMode(); |
| |
| // Output data list |
| if(execReturn){ |
| LOG.info("SCM is in safe mode."); |
| if (verbose) { |
| for (Map.Entry<String, Pair<Boolean, String>> entry : |
| scmClient.getSafeModeRuleStatuses().entrySet()) { |
| Pair<Boolean, String> value = entry.getValue(); |
| LOG.info("validated:{}, {}, {}", |
| value.getLeft(), entry.getKey(), value.getRight()); |
| } |
| } |
| } else { |
| LOG.info("SCM is out of safe mode."); |
| } |
| } |
| } |