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[FLINK-8961][tests] Port JobRetrievalITCase to flip6
This closes apache#5730.
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flink-tests/src/test/java/org/apache/flink/test/example/client/LegacyJobRetrievalITCase.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 | ||
| * | ||
| * https://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. | ||
| */ | ||
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| package org.apache.flink.test.example.client; | ||
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| import org.apache.flink.api.common.JobID; | ||
| import org.apache.flink.client.deployment.StandaloneClusterId; | ||
| import org.apache.flink.client.program.ClusterClient; | ||
| import org.apache.flink.client.program.StandaloneClusterClient; | ||
| import org.apache.flink.configuration.Configuration; | ||
| import org.apache.flink.runtime.client.JobRetrievalException; | ||
| import org.apache.flink.runtime.execution.Environment; | ||
| import org.apache.flink.runtime.jobgraph.JobGraph; | ||
| import org.apache.flink.runtime.jobgraph.JobVertex; | ||
| import org.apache.flink.runtime.jobgraph.tasks.AbstractInvokable; | ||
| import org.apache.flink.runtime.minicluster.FlinkMiniCluster; | ||
| import org.apache.flink.runtime.testingUtils.TestingCluster; | ||
| import org.apache.flink.runtime.testingUtils.TestingJobManagerMessages; | ||
| import org.apache.flink.util.TestLogger; | ||
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| import akka.actor.ActorRef; | ||
| import akka.actor.ActorSystem; | ||
| import akka.testkit.JavaTestKit; | ||
| import org.junit.AfterClass; | ||
| import org.junit.BeforeClass; | ||
| import org.junit.Test; | ||
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| import java.util.concurrent.Semaphore; | ||
| import java.util.concurrent.atomic.AtomicReference; | ||
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| import scala.collection.Seq; | ||
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| import static org.junit.Assert.assertNotNull; | ||
| import static org.junit.Assert.fail; | ||
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| /** | ||
| * Tests retrieval of a job from a running Flink cluster. | ||
| */ | ||
| public class LegacyJobRetrievalITCase extends TestLogger { | ||
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| private static final Semaphore lock = new Semaphore(1); | ||
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| private static FlinkMiniCluster cluster; | ||
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| @BeforeClass | ||
| public static void before() { | ||
| Configuration configuration = new Configuration(); | ||
| cluster = new TestingCluster(configuration, false); | ||
| cluster.start(); | ||
| } | ||
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| @AfterClass | ||
| public static void after() { | ||
| cluster.stop(); | ||
| cluster = null; | ||
| } | ||
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| @Test | ||
| public void testJobRetrieval() throws Exception { | ||
| final JobID jobID = new JobID(); | ||
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| final JobVertex imalock = new JobVertex("imalock"); | ||
| imalock.setInvokableClass(SemaphoreInvokable.class); | ||
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| final JobGraph jobGraph = new JobGraph(jobID, "testjob", imalock); | ||
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| final ClusterClient<StandaloneClusterId> client = new StandaloneClusterClient(cluster.configuration(), cluster.highAvailabilityServices(), true); | ||
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| // acquire the lock to make sure that the job cannot complete until the job client | ||
| // has been attached in resumingThread | ||
| lock.acquire(); | ||
| client.runDetached(jobGraph, LegacyJobRetrievalITCase.class.getClassLoader()); | ||
| final AtomicReference<Throwable> error = new AtomicReference<>(); | ||
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| final Thread resumingThread = new Thread(new Runnable() { | ||
| @Override | ||
| public void run() { | ||
| try { | ||
| assertNotNull(client.retrieveJob(jobID)); | ||
| } catch (Throwable e) { | ||
| error.set(e); | ||
| } | ||
| } | ||
| }, "Flink-Job-Retriever"); | ||
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| final Seq<ActorSystem> actorSystemSeq = cluster.jobManagerActorSystems().get(); | ||
| final ActorSystem actorSystem = actorSystemSeq.last(); | ||
| JavaTestKit testkit = new JavaTestKit(actorSystem); | ||
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| final ActorRef jm = cluster.getJobManagersAsJava().get(0); | ||
| // wait until client connects | ||
| jm.tell(TestingJobManagerMessages.getNotifyWhenClientConnects(), testkit.getRef()); | ||
| // confirm registration | ||
| testkit.expectMsgEquals(true); | ||
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| // kick off resuming | ||
| resumingThread.start(); | ||
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| // wait for client to connect | ||
| testkit.expectMsgAllOf( | ||
| TestingJobManagerMessages.getClientConnected(), | ||
| TestingJobManagerMessages.getClassLoadingPropsDelivered()); | ||
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| // client has connected, we can release the lock | ||
| lock.release(); | ||
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| resumingThread.join(); | ||
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| Throwable exception = error.get(); | ||
| if (exception != null) { | ||
| throw new AssertionError(exception); | ||
| } | ||
| } | ||
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| @Test | ||
| public void testNonExistingJobRetrieval() throws Exception { | ||
| final JobID jobID = new JobID(); | ||
| ClusterClient<StandaloneClusterId> client = new StandaloneClusterClient(cluster.configuration()); | ||
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| try { | ||
| client.retrieveJob(jobID); | ||
| fail(); | ||
| } catch (JobRetrievalException ignored) { | ||
| // this is what we want | ||
| } | ||
| } | ||
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| /** | ||
| * Invokable that waits on {@link #lock} to be released and finishes afterwards. | ||
| * | ||
| * <p>NOTE: needs to be <tt>public</tt> so that a task can be run with this! | ||
| */ | ||
| public static class SemaphoreInvokable extends AbstractInvokable { | ||
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| public SemaphoreInvokable(Environment environment) { | ||
| super(environment); | ||
| } | ||
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| @Override | ||
| public void invoke() throws Exception { | ||
| lock.acquire(); | ||
| lock.release(); | ||
| } | ||
| } | ||
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| } |