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HADOOP-7189. Add ability to enable debug property in JAAS configuration. Contributed by Ted Yu.

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git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1102123 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Todd Lipcon 2011-05-11 22:49:26 +00:00
parent 7f77fad79a
commit 65117781ec
2 changed files with 16 additions and 2 deletions
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3
CHANGES.txt
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@ -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(..).

15
src/java/org/apache/hadoop/security/UserGroupInformation.java
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@ -340,15 +340,24 @@ private static class HadoopConfiguration
"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 @@ private static class HadoopConfiguration
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 @@ private static class HadoopConfiguration
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(),