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From t...@apache.org
Subject svn commit: r1102123 - in /hadoop/common/trunk: CHANGES.txt src/java/org/apache/hadoop/security/UserGroupInformation.java
Date Wed, 11 May 2011 22:49:26 GMT
Author: todd
Date: Wed May 11 22:49:26 2011
New Revision: 1102123

URL: http://svn.apache.org/viewvc?rev=1102123&view=rev
Log:
HADOOP-7189. Add ability to enable debug property in JAAS configuration. Contributed by Ted
Yu.

Modified:
    hadoop/common/trunk/CHANGES.txt
    hadoop/common/trunk/src/java/org/apache/hadoop/security/UserGroupInformation.java

Modified: hadoop/common/trunk/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/CHANGES.txt?rev=1102123&r1=1102122&r2=1102123&view=diff
==============================================================================
--- hadoop/common/trunk/CHANGES.txt (original)
+++ hadoop/common/trunk/CHANGES.txt Wed May 11 22:49:26 2011
@@ -443,6 +443,9 @@ Release 0.22.0 - Unreleased
     HADOOP-7244. Documentation change for updated configuration keys.
     (tomwhite via eli)
 
+    HADOOP-7189. Add ability to enable 'debug' property in JAAS configuration.
+    (Ted Yu via todd)
+
   OPTIMIZATIONS
 
     HADOOP-6884. Add LOG.isDebugEnabled() guard for each LOG.debug(..).

Modified: hadoop/common/trunk/src/java/org/apache/hadoop/security/UserGroupInformation.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/src/java/org/apache/hadoop/security/UserGroupInformation.java?rev=1102123&r1=1102122&r2=1102123&view=diff
==============================================================================
--- hadoop/common/trunk/src/java/org/apache/hadoop/security/UserGroupInformation.java (original)
+++ hadoop/common/trunk/src/java/org/apache/hadoop/security/UserGroupInformation.java Wed
May 11 22:49:26 2011
@@ -340,15 +340,24 @@ public class UserGroupInformation {
       "hadoop-user-kerberos";
     private static final String KEYTAB_KERBEROS_CONFIG_NAME = 
       "hadoop-keytab-kerberos";
+
+    private static final Map<String, String> BASIC_JAAS_OPTIONS =
+      new HashMap<String,String>();
+    static {
+      String jaasEnvVar = System.getenv("HADOOP_JAAS_DEBUG");
+      if (jaasEnvVar != null && "true".equalsIgnoreCase(jaasEnvVar)) {
+        BASIC_JAAS_OPTIONS.put("debug", "true");
+      }
+    }
     
     private static final AppConfigurationEntry OS_SPECIFIC_LOGIN =
       new AppConfigurationEntry(OS_LOGIN_MODULE_NAME,
                                 LoginModuleControlFlag.REQUIRED,
-                                new HashMap<String,String>());
+                                BASIC_JAAS_OPTIONS);
     private static final AppConfigurationEntry HADOOP_LOGIN =
       new AppConfigurationEntry(HadoopLoginModule.class.getName(),
                                 LoginModuleControlFlag.REQUIRED,
-                                new HashMap<String,String>());
+                                BASIC_JAAS_OPTIONS);
     private static final Map<String,String> USER_KERBEROS_OPTIONS = 
       new HashMap<String,String>();
     static {
@@ -359,6 +368,7 @@ public class UserGroupInformation {
       if (ticketCache != null) {
         USER_KERBEROS_OPTIONS.put("ticketCache", ticketCache);
       }
+      USER_KERBEROS_OPTIONS.putAll(BASIC_JAAS_OPTIONS);
     }
     private static final AppConfigurationEntry USER_KERBEROS_LOGIN =
       new AppConfigurationEntry(Krb5LoginModule.class.getName(),
@@ -371,6 +381,7 @@ public class UserGroupInformation {
       KEYTAB_KERBEROS_OPTIONS.put("useKeyTab", "true");
       KEYTAB_KERBEROS_OPTIONS.put("storeKey", "true");
       KEYTAB_KERBEROS_OPTIONS.put("refreshKrb5Config", "true");
+      KEYTAB_KERBEROS_OPTIONS.putAll(BASIC_JAAS_OPTIONS);      
     }
     private static final AppConfigurationEntry KEYTAB_KERBEROS_LOGIN =
       new AppConfigurationEntry(Krb5LoginModule.class.getName(),



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