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YARN-5309. Fix SSLFactory truststore reloader thread leak in TimelineClientImpl. Contributed by Weiwei Yang.

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This commit is contained in:
Varun Vasudev 2016-07-20 12:48:32 +05:30
parent 8fbe6ece24
commit 9ccf935b2c
3 changed files with 64 additions and 9 deletions
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5
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/pom.xml
View File

@ -150,6 +150,11 @@
<artifactId>junit</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.bouncycastle</groupId>
<artifactId>bcprov-jdk16</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.sun.jersey.jersey-test-framework</groupId>
<artifactId>jersey-test-framework-grizzly2</artifactId>

21
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/impl/TimelineClientImpl.java
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@ -125,6 +125,7 @@ public class TimelineClientImpl extends TimelineClient {
private Configuration configuration;
private float timelineServiceVersion;
private TimelineWriter timelineWriter;
private SSLFactory sslFactory;
private volatile String timelineServiceAddress;
@ -298,7 +299,7 @@ protected void serviceInit(Configuration conf) throws Exception {
}
ClientConfig cc = new DefaultClientConfig();
cc.getClasses().add(YarnJacksonJaxbJsonProvider.class);
connConfigurator = newConnConfigurator(conf);
connConfigurator = initConnConfigurator(conf);
if (UserGroupInformation.isSecurityEnabled()) {
authenticator = new KerberosDelegationTokenAuthenticator();
} else {
@ -373,6 +374,9 @@ protected void serviceStop() throws Exception {
if (timelineServiceV2) {
entityDispatcher.stop();
}
if (this.sslFactory != null) {
this.sslFactory.destroy();
}
super.serviceStop();
}
@ -672,9 +676,9 @@ public HttpURLConnection getHttpURLConnection(final URL url) throws IOException
}
private static ConnectionConfigurator newConnConfigurator(Configuration conf) {
private ConnectionConfigurator initConnConfigurator(Configuration conf) {
try {
return newSslConnConfigurator(DEFAULT_SOCKET_TIMEOUT, conf);
return initSslConnConfigurator(DEFAULT_SOCKET_TIMEOUT, conf);
} catch (Exception e) {
LOG.debug("Cannot load customized ssl related configuration. " +
"Fallback to system-generic settings.", e);
@ -692,16 +696,15 @@ public HttpURLConnection configure(HttpURLConnection conn)
}
};
private static ConnectionConfigurator newSslConnConfigurator(final int timeout,
private ConnectionConfigurator initSslConnConfigurator(final int timeout,
Configuration conf) throws IOException, GeneralSecurityException {
final SSLFactory factory;
final SSLSocketFactory sf;
final HostnameVerifier hv;
factory = new SSLFactory(SSLFactory.Mode.CLIENT, conf);
factory.init();
sf = factory.createSSLSocketFactory();
hv = factory.getHostnameVerifier();
sslFactory = new SSLFactory(SSLFactory.Mode.CLIENT, conf);
sslFactory.init();
sf = sslFactory.createSSLSocketFactory();
hv = sslFactory.getHostnameVerifier();
return new ConnectionConfigurator() {
@Override

47
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestTimelineClient.java
View File

@ -25,6 +25,7 @@
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.when;
import java.io.File;
import java.io.IOException;
import java.net.ConnectException;
import java.net.SocketTimeoutException;
@ -35,8 +36,10 @@
import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.ssl.KeyStoreTestUtil;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager;
import org.apache.hadoop.test.TestGenericTestUtils;
import org.apache.hadoop.yarn.api.records.timeline.TimelineDomain;
import org.apache.hadoop.yarn.api.records.timeline.TimelineEntities;
import org.apache.hadoop.yarn.api.records.timeline.TimelineEntity;
@ -434,6 +437,50 @@ private TimelineClientImpl createTimelineClientFakeTimelineClientRetryOp(
return client;
}
@Test
public void testTimelineClientCleanup() throws Exception {
YarnConfiguration conf = new YarnConfiguration();
conf.setBoolean(YarnConfiguration.TIMELINE_SERVICE_ENABLED, true);
conf.setInt(YarnConfiguration.TIMELINE_SERVICE_CLIENT_MAX_RETRIES, 0);
File testDir = TestGenericTestUtils.getTestDir();
String sslConfDir =
KeyStoreTestUtil.getClasspathDir(TestTimelineClient.class);
KeyStoreTestUtil.setupSSLConfig(testDir.getAbsolutePath(),
sslConfDir, conf, false);
client = createTimelineClient(conf);
ThreadGroup threadGroup = Thread.currentThread().getThreadGroup();
while (threadGroup.getParent() != null) {
threadGroup = threadGroup.getParent();
}
Thread[] threads = new Thread[threadGroup.activeCount()];
threadGroup.enumerate(threads);
Thread reloaderThread = null;
for (Thread thread : threads) {
if ((thread.getName() != null)
&& (thread.getName().contains("Truststore reloader thread"))) {
reloaderThread = thread;
}
}
Assert.assertTrue("Reloader is not alive", reloaderThread.isAlive());
client.close();
boolean reloaderStillAlive = true;
for (int i = 0; i < 10; i++) {
reloaderStillAlive = reloaderThread.isAlive();
if (!reloaderStillAlive) {
break;
}
Thread.sleep(1000);
}
Assert.assertFalse("Reloader is still alive", reloaderStillAlive);
}
private static class TestTimlineDelegationTokenSecretManager extends
AbstractDelegationTokenSecretManager<TimelineDelegationTokenIdentifier> {