content: /*
   * 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
   *
   *    https://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.bigtop.manager.common.utils.os;
  
  import org.apache.bigtop.manager.common.shell.ShellExecutor;
  import org.apache.bigtop.manager.common.shell.ShellResult;
  
  import lombok.extern.slf4j.Slf4j;
  
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.List;
  
  @Slf4j
  public class TimeSyncDetection {
  
      public static ShellResult checkTimeSync() {
          List<String> params = new ArrayList<>();
          params.add("systemctl");
          params.add("status");
          params.add("chronyd");
          ShellResult shellResult;
          try {
              log.info("Checking service chronyd status");
              shellResult = ShellExecutor.execCommand(params);
              if (shellResult.getExitCode() == 0) {
                  log.info("Service chronyd is enabled");
                  return shellResult;
              }
  
              log.info("Service chronyd is not enabled, checking ntpd status");
              params.remove(params.size() - 1);
              params.add("ntpd");
              shellResult = ShellExecutor.execCommand(params);
              if (shellResult.getExitCode() == 0) {
                  log.info("Service ntpd is enabled");
                  return shellResult;
              }
  
              log.info("Service ntpd is not enabled");
          } catch (IOException e) {
              shellResult = new ShellResult();
              shellResult.setExitCode(-1);
              shellResult.setErrMsg("Neither chronyd nor ntpd check failed");
          }
  
          return shellResult;
      }
  }
  