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Posted to common-commits@hadoop.apache.org by ji...@apache.org on 2012/01/25 22:02:47 UTC
svn commit: r1235945 - in
/hadoop/common/trunk/hadoop-common-project/hadoop-common: CHANGES.txt
src/main/java/org/apache/hadoop/security/UserGroupInformation.java
src/test/java/org/apache/hadoop/security/TestUserFromEnv.java
Author: jitendra
Date: Wed Jan 25 21:02:47 2012
New Revision: 1235945
URL: http://svn.apache.org/viewvc?rev=1235945&view=rev
Log:
HADOOP-7987. Support setting the run-as user in unsecure mode.
Added:
hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/TestUserFromEnv.java
Modified:
hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java
Modified: hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt?rev=1235945&r1=1235944&r2=1235945&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt Wed Jan 25 21:02:47 2012
@@ -85,6 +85,8 @@ Trunk (unreleased changes)
HADOOP-7968. Errant println left in RPC.getHighestSupportedProtocol (Sho Shimauchi via harsh)
+ HADOOP-7987. Support setting the run-as user in unsecure mode. (jitendra)
+
BUGS
HADOOP-7851. Configuration.getClasses() never returns the default value.
Modified: hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java?rev=1235945&r1=1235944&r2=1235945&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java (original)
+++ hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java Wed Jan 25 21:02:47 2012
@@ -80,6 +80,7 @@ public class UserGroupInformation {
* Percentage of the ticket window to use before we renew ticket.
*/
private static final float TICKET_RENEW_WINDOW = 0.80f;
+ static final String HADOOP_USER_NAME = "HADOOP_USER_NAME";
/**
* UgiMetrics maintains UGI activity statistics
@@ -137,7 +138,16 @@ public class UserGroupInformation {
LOG.debug("using kerberos user:"+user);
}
}
- // if we don't have a kerberos user, use the OS user
+ //If we don't have a kerberos user and security is disabled, check
+ //if user is specified in the environment or properties
+ if (!isSecurityEnabled() && (user == null)) {
+ String envUser = System.getenv(HADOOP_USER_NAME);
+ if (envUser == null) {
+ envUser = System.getProperty(HADOOP_USER_NAME);
+ }
+ user = envUser == null ? null : new User(envUser);
+ }
+ // use the OS user
if (user == null) {
user = getCanonicalUser(OS_PRINCIPAL_CLASS);
if (LOG.isDebugEnabled()) {
Added: hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/TestUserFromEnv.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/TestUserFromEnv.java?rev=1235945&view=auto
==============================================================================
--- hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/TestUserFromEnv.java (added)
+++ hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/TestUserFromEnv.java Wed Jan 25 21:02:47 2012
@@ -0,0 +1,32 @@
+/**
+ * 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.security;
+
+import java.io.IOException;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class TestUserFromEnv {
+
+ @Test
+ public void testUserFromEnvironment() throws IOException {
+ System.setProperty(UserGroupInformation.HADOOP_USER_NAME, "randomUser");
+ Assert.assertEquals("randomUser", UserGroupInformation.getLoginUser()
+ .getUserName());
+ }
+}