/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.server.resourcemanager;
import io.hops.util.DBUtility;
import io.hops.util.RMStorageFactory;
import io.hops.util.YarnAPIStorageFactory;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.ha.ClientBaseWithFixes;
import org.apache.hadoop.ha.ServiceFailedException;
import org.apache.hadoop.yarn.conf.HAUtil;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import java.io.IOException;
import java.util.concurrent.atomic.AtomicBoolean;
public class TestRMEmbeddedElector extends ClientBaseWithFixes {
private static final Log LOG =
LogFactory.getLog(TestRMEmbeddedElector.class.getName());
private static final String RM1_NODE_ID = "rm1";
private static final int RM1_PORT_BASE = 10000;
private static final String RM2_NODE_ID = "rm2";
private static final int RM2_PORT_BASE = 20000;
private Configuration conf;
private AtomicBoolean callbackCalled;
private void setConfForRM(String rmId, String prefix, String value) {
conf.set(HAUtil.addSuffix(prefix, rmId), value);
}
private void setRpcAddressForRM(String rmId, int base) {
setConfForRM(rmId, YarnConfiguration.RM_ADDRESS, "0.0.0.0:" +
(base + YarnConfiguration.DEFAULT_RM_PORT));
setConfForRM(rmId, YarnConfiguration.RM_SCHEDULER_ADDRESS, "0.0.0.0:" +
(base + YarnConfiguration.DEFAULT_RM_SCHEDULER_PORT));
setConfForRM(rmId, YarnConfiguration.RM_ADMIN_ADDRESS, "0.0.0.0:" +
(base + YarnConfiguration.DEFAULT_RM_ADMIN_PORT));
setConfForRM(rmId, YarnConfiguration.RM_RESOURCE_TRACKER_ADDRESS, "0.0.0.0:" +
(base + YarnConfiguration.DEFAULT_RM_RESOURCE_TRACKER_PORT));
setConfForRM(rmId, YarnConfiguration.RM_WEBAPP_ADDRESS, "0.0.0.0:" +
(base + YarnConfiguration.DEFAULT_RM_WEBAPP_PORT));
setConfForRM(rmId, YarnConfiguration.RM_WEBAPP_HTTPS_ADDRESS, "0.0.0.0:" +
(base + YarnConfiguration.DEFAULT_RM_WEBAPP_HTTPS_PORT));
}
@Before
public void setup() throws IOException {
conf = new YarnConfiguration();
conf.setBoolean(YarnConfiguration.RM_HA_ENABLED, true);
conf.setBoolean(YarnConfiguration.AUTO_FAILOVER_ENABLED, true);
conf.setBoolean(YarnConfiguration.AUTO_FAILOVER_EMBEDDED, true);
conf.set(YarnConfiguration.RM_CLUSTER_ID, "yarn-test-cluster");
conf.set(YarnConfiguration.RM_ZK_ADDRESS, hostPort);
conf.setInt(YarnConfiguration.RM_ZK_TIMEOUT_MS, 2000);
conf.set(YarnConfiguration.RM_HA_IDS, RM1_NODE_ID + "," + RM2_NODE_ID);
conf.set(YarnConfiguration.RM_HA_ID, RM1_NODE_ID);
setRpcAddressForRM(RM1_NODE_ID, RM1_PORT_BASE);
setRpcAddressForRM(RM2_NODE_ID, RM2_PORT_BASE);
conf.setLong(YarnConfiguration.CLIENT_FAILOVER_SLEEPTIME_BASE_MS, 100L);
RMStorageFactory.setConfiguration(conf);
YarnAPIStorageFactory.setConfiguration(conf);
DBUtility.InitializeDB();
callbackCalled = new AtomicBoolean(false);
}
/**
* Test that tries to see if there is a deadlock between
* (a) the thread stopping the RM
* (b) thread processing the ZK event asking RM to transition to active
*
* The test times out if there is a deadlock.
*/
@Ignore
@Test (timeout = 10000)
public void testDeadlockShutdownBecomeActive() throws InterruptedException {
MockRM rm = new MockRMWithElector(conf, 1000);
rm.start();
LOG.info("Waiting for callback");
while (!callbackCalled.get());
LOG.info("Stopping RM");
rm.stop();
LOG.info("Stopped RM");
}
private class MockRMWithElector extends MockRM {
private long delayMs = 0;
MockRMWithElector(Configuration conf) {
super(conf);
}
MockRMWithElector(Configuration conf, long delayMs) {
this(conf);
this.delayMs = delayMs;
}
@Override
protected AdminService createAdminService() {
return new AdminService(MockRMWithElector.this, getRMContext()) {
@Override
protected EmbeddedElectorService createEmbeddedElectorService() {
return new EmbeddedElectorService(getRMContext()) {
@Override
public void becomeActive() throws
ServiceFailedException {
try {
callbackCalled.set(true);
LOG.info("Callback called. Sleeping now");
Thread.sleep(delayMs);
LOG.info("Sleep done");
} catch (InterruptedException e) {
e.printStackTrace();
}
super.becomeActive();
}
};
}
};
}
}
}