1 /**
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements.  See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership.  The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License.  You may obtain a copy of the License at
9 *
10 *     http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18 
19 package org.apache.hadoop.hdfs.nfs.conf;
20 
21 public class NfsConfigKeys {
22 
23   // The IP port number for NFS and mountd.
24   public final static String DFS_NFS_SERVER_PORT_KEY = "nfs.server.port";
25   public final static int DFS_NFS_SERVER_PORT_DEFAULT = 2049;
26   public final static String DFS_NFS_MOUNTD_PORT_KEY = "nfs.mountd.port";
27   public final static int DFS_NFS_MOUNTD_PORT_DEFAULT = 4242;
28 
29   public static final String DFS_NFS_FILE_DUMP_KEY = "nfs.file.dump";
30   public static final boolean DFS_NFS_FILE_DUMP_DEFAULT = true;
31   public static final String DFS_NFS_FILE_DUMP_DIR_KEY = "nfs.file.dump.dir";
32   public static final String DFS_NFS_FILE_DUMP_DIR_DEFAULT = "/tmp/.hdfs-nfs";
33 
34   public static final String DFS_NFS_MAX_READ_TRANSFER_SIZE_KEY = "nfs.rtmax";
35   public static final int DFS_NFS_MAX_READ_TRANSFER_SIZE_DEFAULT = 1024 * 1024;
36   public static final String DFS_NFS_MAX_WRITE_TRANSFER_SIZE_KEY = "nfs.wtmax";
37   public static final int DFS_NFS_MAX_WRITE_TRANSFER_SIZE_DEFAULT = 1024 * 1024;
38   public static final String DFS_NFS_MAX_READDIR_TRANSFER_SIZE_KEY = "nfs.dtmax";
39   public static final int DFS_NFS_MAX_READDIR_TRANSFER_SIZE_DEFAULT = 64 * 1024;
40 
41   public static final String DFS_NFS_MAX_OPEN_FILES_KEY = "nfs.max.open.files";
42   public static final int DFS_NFS_MAX_OPEN_FILES_DEFAULT = 256;
43 
44   public static final String DFS_NFS_STREAM_TIMEOUT_KEY = "nfs.stream.timeout";
45   public static final long DFS_NFS_STREAM_TIMEOUT_DEFAULT = 10 * 60 * 1000; // 10 minutes
46   public static final long DFS_NFS_STREAM_TIMEOUT_MIN_DEFAULT = 10 * 1000; // 10 seconds
47 
48   public final static String DFS_NFS_EXPORT_POINT_KEY = "nfs.export.point";
49   public final static String DFS_NFS_EXPORT_POINT_DEFAULT = "/";
50 
51   public static final String DFS_NFS_KEYTAB_FILE_KEY = "nfs.keytab.file";
52   public static final String DFS_NFS_KERBEROS_PRINCIPAL_KEY = "nfs.kerberos.principal";
53   public static final String DFS_NFS_REGISTRATION_PORT_KEY = "nfs.registration.port";
54   public static final int DFS_NFS_REGISTRATION_PORT_DEFAULT = 40; // Currently unassigned.
55   public static final String DFS_NFS_PORT_MONITORING_DISABLED_KEY = "nfs.port.monitoring.disabled";
56   public static final boolean DFS_NFS_PORT_MONITORING_DISABLED_DEFAULT = true;
57 
58   public static final String  AIX_COMPAT_MODE_KEY = "nfs.aix.compatibility.mode.enabled";
59   public static final boolean AIX_COMPAT_MODE_DEFAULT = false;
60 
61   public final static String LARGE_FILE_UPLOAD = "nfs.large.file.upload";
62   public final static boolean LARGE_FILE_UPLOAD_DEFAULT = true;
63 
64   public static final String NFS_HTTP_PORT_KEY = "nfs.http.port";
65   public static final int NFS_HTTP_PORT_DEFAULT = 50079;
66   public static final String NFS_HTTP_ADDRESS_KEY = "nfs.http.address";
67   public static final String NFS_HTTP_ADDRESS_DEFAULT = "0.0.0.0:" + NFS_HTTP_PORT_DEFAULT;
68 
69   public static final String NFS_HTTPS_PORT_KEY = "nfs.https.port";
70   public static final int NFS_HTTPS_PORT_DEFAULT = 50579;
71   public static final String NFS_HTTPS_ADDRESS_KEY = "nfs.https.address";
72   public static final String NFS_HTTPS_ADDRESS_DEFAULT = "0.0.0.0:" + NFS_HTTPS_PORT_DEFAULT;
73 
74   public static final String  NFS_METRICS_PERCENTILES_INTERVALS_KEY = "nfs.metrics.percentiles.intervals";
75 
76   /*
77    * HDFS super-user is the user with the same identity as NameNode process
78    * itself and the super-user can do anything in that permissions checks never
79    * fail for the super-user. If the following property is configured, the
80    * superuser on NFS client can access any file on HDFS. By default, the super
81    * user is not configured in the gateway. Note that, even the the superuser is
82    * configured, "nfs.exports.allowed.hosts" still takes effect. For example,
83    * the superuser will not have write access to HDFS files through the gateway
84    * if the NFS client host is not allowed to have write access in
85    * "nfs.exports.allowed.hosts".
86    */
87   public static final String  NFS_SUPERUSER_KEY = "nfs.superuser";
88   public static final String  NFS_SUPERUSER_DEFAULT = "";
89 }
90