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HADOOP-13641. Update UGI#spawnAutoRenewalThreadForUserCreds to reduce indentation. Contributed by Huafeng Wang

This commit is contained in:
Kai Zheng 2016-10-10 11:44:04 +06:00
parent 5c96ef365d
commit ad0659557b
1 changed files with 49 additions and 49 deletions
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14
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java
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@ -934,16 +934,18 @@ public class UserGroupInformation {
/**Spawn a thread to do periodic renewals of kerberos credentials*/
private void spawnAutoRenewalThreadForUserCreds() {
if (isSecurityEnabled()) {
if (!isSecurityEnabled()
|| user.getAuthenticationMethod() != AuthenticationMethod.KERBEROS
|| isKeytab) {
return;
}
//spawn thread only if we have kerb credentials
if (user.getAuthenticationMethod() == AuthenticationMethod.KERBEROS &&
!isKeytab) {
Thread t = new Thread(new Runnable() {
@Override
public void run() {
String cmd = conf.get("hadoop.kerberos.kinit.command",
"kinit");
String cmd = conf.get("hadoop.kerberos.kinit.command", "kinit");
KerberosTicket tgt = getTGT();
if (tgt == null) {
return;
@ -987,8 +989,6 @@ public class UserGroupInformation {
t.setName("TGT Renewer for " + getUserName());
t.start();
}
}
}
/**
* Log a user in from a keytab file. Loads a user identity from a keytab
* file and logs them in. They become the currently logged-in user.