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    package org.apache.hadoop.security;
019    
020    /**
021     * Some constants for IdMapping
022     */
023    public class IdMappingConstant {
024    
025      /** Do user/group update every 15 minutes by default, minimum 1 minute */
026      public final static String USERGROUPID_UPDATE_MILLIS_KEY = "usergroupid.update.millis";
027      public final static long USERGROUPID_UPDATE_MILLIS_DEFAULT = 15 * 60 * 1000; // ms
028      public final static long USERGROUPID_UPDATE_MILLIS_MIN = 1 * 60 * 1000; // ms
029    
030      public final static String UNKNOWN_USER = "nobody";
031      public final static String UNKNOWN_GROUP = "nobody";
032      
033      // Used for finding the configured static mapping file.
034      public static final String STATIC_ID_MAPPING_FILE_KEY = "static.id.mapping.file";
035      public static final String STATIC_ID_MAPPING_FILE_DEFAULT = "/etc/nfs.map";
036    }