/*
 * *
 *  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.yarn.server.nodemanager.containermanager.linux.runtime.docker;

/**
 * Encapsulates the docker inspect command and its command
 * line arguments.
 */
public class DockerInspectCommand extends DockerCommand {
  private static final String INSPECT_COMMAND = "inspect";
  private String containerName;

  public DockerInspectCommand(String containerName) {
    super(INSPECT_COMMAND);
    this.containerName = containerName;
  }

  public DockerInspectCommand getContainerStatus() {
    super.addCommandArguments("--format='{{.State.Status}}'");
    super.addCommandArguments(containerName);
    return this;
  }

  public DockerInspectCommand getIpAndHost() {
    // Be sure to not use space in the argument, otherwise the
    // extract_values_delim method in container-executor binary
    // cannot parse the arguments correctly.
    super.addCommandArguments("--format='{{range(.NetworkSettings.Networks)}}"
        + "{{.IPAddress}},{{end}}{{.Config.Hostname}}'");
    super.addCommandArguments(containerName);
    return this;
  }
}