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YARN-2779. Fixed ResourceManager to not require delegation tokens for communicating with Timeline Service. Contributed by Zhijie Shen.

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This commit is contained in:
Vinod Kumar Vavilapalli 2014-10-30 23:16:19 -07:00
parent e0233c16eb
commit d1828d9443
2 changed files with 3 additions and 27 deletions
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3
hadoop-yarn-project/CHANGES.txt
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@ -417,6 +417,9 @@ Release 2.6.0 - UNRELEASED
YARN-2503. Added node lablels in web UI. (Wangda Tan via jianhe)
YARN-2779. Fixed ResourceManager to not require delegation tokens for
communicating with Timeline Service. (Zhijie Shen via vinodkv)
OPTIMIZATIONS
BUG FIXES

27
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/metrics/SystemMetricsPublisher.java
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@ -28,8 +28,6 @@
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.service.CompositeService;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ApplicationId;
@ -42,7 +40,6 @@
import org.apache.hadoop.yarn.event.Dispatcher;
import org.apache.hadoop.yarn.event.Event;
import org.apache.hadoop.yarn.event.EventHandler;
import org.apache.hadoop.yarn.security.client.TimelineDelegationTokenIdentifier;
import org.apache.hadoop.yarn.server.metrics.AppAttemptMetricsConstants;
import org.apache.hadoop.yarn.server.metrics.ApplicationMetricsConstants;
import org.apache.hadoop.yarn.server.metrics.ContainerMetricsConstants;
@ -65,13 +62,10 @@ public class SystemMetricsPublisher extends CompositeService {
private static final Log LOG = LogFactory
.getLog(SystemMetricsPublisher.class);
private static final int MAX_GET_TIMELINE_DELEGATION_TOKEN_ATTEMPTS = 10;
private Dispatcher dispatcher;
private TimelineClient client;
private boolean publishSystemMetrics;
private int getTimelineDelegtionTokenAttempts = 0;
private boolean hasReceivedTimelineDelegtionToken = false;
public SystemMetricsPublisher() {
super(SystemMetricsPublisher.class.getName());
@ -423,27 +417,6 @@ private static TimelineEntity createContainerEntity(
}
private void putEntity(TimelineEntity entity) {
if (UserGroupInformation.isSecurityEnabled()) {
if (!hasReceivedTimelineDelegtionToken
&& getTimelineDelegtionTokenAttempts < MAX_GET_TIMELINE_DELEGATION_TOKEN_ATTEMPTS) {
try {
Token<TimelineDelegationTokenIdentifier> token =
client.getDelegationToken(
UserGroupInformation.getCurrentUser().getUserName());
UserGroupInformation.getCurrentUser().addToken(token);
hasReceivedTimelineDelegtionToken = true;
} catch (Exception e) {
LOG.error("Error happens when getting timeline delegation token", e);
} finally {
++getTimelineDelegtionTokenAttempts;
if (!hasReceivedTimelineDelegtionToken
&& getTimelineDelegtionTokenAttempts == MAX_GET_TIMELINE_DELEGATION_TOKEN_ATTEMPTS) {
LOG.error("Run out of the attempts to get timeline delegation token. " +
"Use kerberos authentication only.");
}
}
}
}
try {
if (LOG.isDebugEnabled()) {
LOG.debug("Publishing the entity " + entity.getEntityId() +