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
019 package org.apache.hadoop.yarn.applications.distributedshell;
020
021 import org.apache.hadoop.classification.InterfaceAudience;
022 import org.apache.hadoop.classification.InterfaceStability;
023
024 /**
025 * Constants used in both Client and Application Master
026 */
027 @InterfaceAudience.Public
028 @InterfaceStability.Unstable
029 public 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 }