001/**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018
019package org.apache.hadoop.yarn.applications.distributedshell;
020
021import org.apache.hadoop.classification.InterfaceAudience;
022import org.apache.hadoop.classification.InterfaceStability;
023
024/**
025 * Constants used in both Client and Application Master
026 */
027@InterfaceAudience.Public
028@InterfaceStability.Unstable
029public class DSConstants {
030
031  /**
032   * Environment key name pointing to the shell script's location
033   */
034  public static final String DISTRIBUTEDSHELLSCRIPTLOCATION = "DISTRIBUTEDSHELLSCRIPTLOCATION";
035
036  /**
037   * Environment key name denoting the file timestamp for the shell script. 
038   * Used to validate the local resource. 
039   */
040  public static final String DISTRIBUTEDSHELLSCRIPTTIMESTAMP = "DISTRIBUTEDSHELLSCRIPTTIMESTAMP";
041
042  /**
043   * Environment key name denoting the file content length for the shell script. 
044   * Used to validate the local resource. 
045   */
046  public static final String DISTRIBUTEDSHELLSCRIPTLEN = "DISTRIBUTEDSHELLSCRIPTLEN";
047
048  /**
049   * Environment key name denoting the timeline domain ID.
050   */
051  public static final String DISTRIBUTEDSHELLTIMELINEDOMAIN = "DISTRIBUTEDSHELLTIMELINEDOMAIN";
052}