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AbstractYarnClusterTest.java
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AbstractYarnClusterTest.java
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/*
* 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.flink.yarn;
import org.apache.flink.client.deployment.ClusterDeploymentException;
import org.apache.flink.client.deployment.ClusterRetrieveException;
import org.apache.flink.client.deployment.ClusterSpecification;
import org.apache.flink.client.program.ClusterClient;
import org.apache.flink.configuration.Configuration;
import org.apache.flink.runtime.jobgraph.JobGraph;
import org.apache.flink.util.Preconditions;
import org.apache.flink.util.TestLogger;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.ApplicationReport;
import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
import org.apache.hadoop.yarn.api.records.YarnApplicationState;
import org.apache.hadoop.yarn.client.api.YarnClient;
import org.apache.hadoop.yarn.client.api.impl.YarnClientImpl;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.exceptions.YarnException;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import java.io.IOException;
import java.util.Collections;
import java.util.Map;
/**
* Tests for the {@link AbstractYarnClusterDescriptor}.
*/
public class AbstractYarnClusterTest extends TestLogger {
@Rule
public TemporaryFolder temporaryFolder = new TemporaryFolder();
/**
* Tests that the cluster retrieval of a finished YARN application fails.
*/
@Test(expected = ClusterRetrieveException.class)
public void testClusterClientRetrievalOfFinishedYarnApplication() throws Exception {
final ApplicationId applicationId = ApplicationId.newInstance(System.currentTimeMillis(), 42);
final ApplicationReport applicationReport = createApplicationReport(
applicationId,
YarnApplicationState.FINISHED,
FinalApplicationStatus.SUCCEEDED);
final YarnClient yarnClient = new TestingYarnClient(Collections.singletonMap(applicationId, applicationReport));
final YarnConfiguration yarnConfiguration = new YarnConfiguration();
yarnClient.init(yarnConfiguration);
yarnClient.start();
final TestingAbstractYarnClusterDescriptor clusterDescriptor = new TestingAbstractYarnClusterDescriptor(
new Configuration(),
yarnConfiguration,
temporaryFolder.newFolder().getAbsolutePath(),
yarnClient,
false);
try {
clusterDescriptor.retrieve(applicationId);
} finally {
clusterDescriptor.close();
}
}
private ApplicationReport createApplicationReport(
ApplicationId applicationId,
YarnApplicationState yarnApplicationState,
FinalApplicationStatus finalApplicationStatus) {
return ApplicationReport.newInstance(
applicationId,
ApplicationAttemptId.newInstance(applicationId, 0),
"user",
"queue",
"name",
"localhost",
42,
null,
yarnApplicationState,
null,
null,
1L,
2L,
finalApplicationStatus,
null,
null,
1.0f,
null,
null);
}
private static final class TestingYarnClient extends YarnClientImpl {
private final Map<ApplicationId, ApplicationReport> applicationReports;
private TestingYarnClient(Map<ApplicationId, ApplicationReport> applicationReports) {
this.applicationReports = Preconditions.checkNotNull(applicationReports);
}
@Override
public ApplicationReport getApplicationReport(ApplicationId appId) throws YarnException, IOException {
final ApplicationReport applicationReport = applicationReports.get(appId);
if (applicationReport != null) {
return applicationReport;
} else {
return super.getApplicationReport(appId);
}
}
}
private static final class TestingAbstractYarnClusterDescriptor extends AbstractYarnClusterDescriptor {
private TestingAbstractYarnClusterDescriptor(
Configuration flinkConfiguration,
YarnConfiguration yarnConfiguration,
String configurationDirectory,
YarnClient yarnClient,
boolean sharedYarnClient) {
super(flinkConfiguration, yarnConfiguration, configurationDirectory, yarnClient, sharedYarnClient);
}
@Override
protected String getYarnSessionClusterEntrypoint() {
throw new UnsupportedOperationException("Not needed for testing");
}
@Override
protected String getYarnJobClusterEntrypoint() {
throw new UnsupportedOperationException("Not needed for testing");
}
@Override
protected ClusterClient<ApplicationId> createYarnClusterClient(AbstractYarnClusterDescriptor descriptor, int numberTaskManagers, int slotsPerTaskManager, ApplicationReport report, Configuration flinkConfiguration, boolean perJobCluster) throws Exception {
throw new UnsupportedOperationException("Not needed for testing");
}
@Override
public ClusterClient<ApplicationId> deployJobCluster(ClusterSpecification clusterSpecification, JobGraph jobGraph, boolean detached) throws ClusterDeploymentException {
throw new UnsupportedOperationException("Not needed for testing");
}
}
}