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YARN-1640. Fixed manual failover of ResourceManagers to work correctly in secure clusters. Contributed by Xuan Gong. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1579510 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Vinod Kumar Vavilapalli 2014-03-20 02:40:21 +00:00
parent 44deaa8241
commit 764af69aa0
2 changed files with 25 additions and 1 deletions
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3
hadoop-yarn-project/CHANGES.txt
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@ -520,6 +520,9 @@ Release 2.4.0 - UNRELEASED
launched by AMs running on the same machine as the AM are correctly
propagated. (Jian He via vinodkv)
YARN-1640. Fixed manual failover of ResourceManagers to work correctly in
secure clusters. (Xuan Gong via vinodkv)
Release 2.3.1 - UNRELEASED
INCOMPATIBLE CHANGES

23
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java
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@ -21,6 +21,7 @@
import java.io.IOException;
import java.io.InputStream;
import java.net.InetSocketAddress;
import java.security.PrivilegedExceptionAction;
import java.util.List;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
@ -163,6 +164,8 @@ public class ResourceManager extends CompositeService implements Recoverable {
/** End of Active services */
private Configuration conf;
private UserGroupInformation rmLoginUGI;
public ResourceManager() {
super("ResourceManager");
@ -233,6 +236,8 @@ protected void serviceInit(Configuration conf) throws Exception {
webAppAddress = WebAppUtils.getRMWebAppURLWithoutScheme(this.conf);
this.rmLoginUGI = UserGroupInformation.getCurrentUser();
super.serviceInit(this.conf);
}
@ -859,7 +864,18 @@ synchronized void transitionToActive() throws Exception {
}
LOG.info("Transitioning to active state");
startActiveServices();
// use rmLoginUGI to startActiveServices.
// in non-secure model, rmLoginUGI will be current UGI
// in secure model, rmLoginUGI will be LoginUser UGI
this.rmLoginUGI.doAs(new PrivilegedExceptionAction<Void>() {
@Override
public Void run() throws Exception {
startActiveServices();
return null;
}
});
rmContext.setHAServiceState(HAServiceProtocol.HAServiceState.ACTIVE);
LOG.info("Transitioned to active state");
}
@ -911,6 +927,11 @@ protected void doSecureLogin() throws IOException {
InetSocketAddress socAddr = getBindAddress(conf);
SecurityUtil.login(this.conf, YarnConfiguration.RM_KEYTAB,
YarnConfiguration.RM_PRINCIPAL, socAddr.getHostName());
// if security is enable, set rmLoginUGI as UGI of loginUser
if (UserGroupInformation.isSecurityEnabled()) {
this.rmLoginUGI = UserGroupInformation.getLoginUser();
}
}
@Override