Examples with DisposeSavepoint org.apache.flink.runtime.messages.JobManagerMessages.DisposeSavepoint used on opensource projects

Example 1 with DisposeSavepoint

use of org.apache.flink.runtime.messages.JobManagerMessages.DisposeSavepoint in project flink by apache.

the class CliFrontend method disposeSavepoint.

/**
	 * Sends a {@link org.apache.flink.runtime.messages.JobManagerMessages.DisposeSavepoint}
	 * message to the job manager.
	 */
private int disposeSavepoint(SavepointOptions options) {
    try {
        String savepointPath = options.getSavepointPath();
        if (savepointPath == null) {
            throw new IllegalArgumentException("Missing required argument: savepoint path. " + "Usage: bin/flink savepoint -d <savepoint-path>");
        }
        String jarFile = options.getJarFilePath();
        ActorGateway jobManager = getJobManagerGateway(options);
        List<BlobKey> blobKeys = null;
        if (jarFile != null) {
            logAndSysout("Disposing savepoint '" + savepointPath + "' with JAR " + jarFile + ".");
            List<File> libs = null;
            try {
                libs = PackagedProgram.extractContainedLibraries(new File(jarFile).toURI().toURL());
                if (!libs.isEmpty()) {
                    List<Path> libPaths = new ArrayList<>(libs.size());
                    for (File f : libs) {
                        libPaths.add(new Path(f.toURI()));
                    }
                    logAndSysout("Uploading JAR files.");
                    LOG.debug("JAR files: " + libPaths);
                    blobKeys = BlobClient.uploadJarFiles(jobManager, clientTimeout, config, libPaths);
                    LOG.debug("Blob keys: " + blobKeys.toString());
                }
            } finally {
                if (libs != null) {
                    PackagedProgram.deleteExtractedLibraries(libs);
                }
            }
        } else {
            logAndSysout("Disposing savepoint '" + savepointPath + "'.");
        }
        Object msg = new DisposeSavepoint(savepointPath);
        Future<Object> response = jobManager.ask(msg, clientTimeout);
        Object result;
        try {
            logAndSysout("Waiting for response...");
            result = Await.result(response, clientTimeout);
        } catch (Exception e) {
            throw new Exception("Disposing the savepoint with path" + savepointPath + " failed.", e);
        }
        if (result.getClass() == JobManagerMessages.getDisposeSavepointSuccess().getClass()) {
            logAndSysout("Savepoint '" + savepointPath + "' disposed.");
            return 0;
        } else if (result instanceof DisposeSavepointFailure) {
            DisposeSavepointFailure failure = (DisposeSavepointFailure) result;
            if (failure.cause() instanceof ClassNotFoundException) {
                throw new ClassNotFoundException("Savepoint disposal failed, because of a " + "missing class. This is most likely caused by a custom state " + "instance, which cannot be disposed without the user code class " + "loader. Please provide the program jar with which you have created " + "the savepoint via -j <JAR> for disposal.", failure.cause().getCause());
            } else {
                throw failure.cause();
            }
        } else {
            throw new IllegalStateException("Unknown JobManager response of type " + result.getClass());
        }
    } catch (Throwable t) {
        return handleError(t);
    }
}

Example 2 with DisposeSavepoint

use of org.apache.flink.runtime.messages.JobManagerMessages.DisposeSavepoint in project flink by apache.

the class CliFrontendSavepointTest method testDisposeSavepointSuccess.

// ------------------------------------------------------------------------
// Dispose savepoint
// ------------------------------------------------------------------------
@Test
public void testDisposeSavepointSuccess() throws Exception {
    replaceStdOutAndStdErr();
    try {
        String savepointPath = "expectedSavepointPath";
        ActorGateway jobManager = mock(ActorGateway.class);
        Promise<Object> triggerResponse = new scala.concurrent.impl.Promise.DefaultPromise<>();
        when(jobManager.ask(Mockito.eq(new DisposeSavepoint(savepointPath)), any(FiniteDuration.class))).thenReturn(triggerResponse.future());
        triggerResponse.success(getDisposeSavepointSuccess());
        CliFrontend frontend = new MockCliFrontend(CliFrontendTestUtils.getConfigDir(), jobManager);
        String[] parameters = { "-d", savepointPath };
        int returnCode = frontend.savepoint(parameters);
        assertEquals(0, returnCode);
        verify(jobManager, times(1)).ask(Mockito.eq(new DisposeSavepoint(savepointPath)), any(FiniteDuration.class));
        String outMsg = buffer.toString();
        assertTrue(outMsg.contains(savepointPath));
        assertTrue(outMsg.contains("disposed"));
    } finally {
        restoreStdOutAndStdErr();
    }
}

Example 3 with DisposeSavepoint

use of org.apache.flink.runtime.messages.JobManagerMessages.DisposeSavepoint in project flink by apache.

the class CliFrontendSavepointTest method testDisposeSavepointFailure.

@Test
public void testDisposeSavepointFailure() throws Exception {
    replaceStdOutAndStdErr();
    try {
        String savepointPath = "expectedSavepointPath";
        ActorGateway jobManager = mock(ActorGateway.class);
        Promise<Object> triggerResponse = new scala.concurrent.impl.Promise.DefaultPromise<>();
        when(jobManager.ask(Mockito.eq(new DisposeSavepoint(savepointPath)), any(FiniteDuration.class))).thenReturn(triggerResponse.future());
        Exception testException = new Exception("expectedTestException");
        triggerResponse.success(new DisposeSavepointFailure(testException));
        CliFrontend frontend = new MockCliFrontend(CliFrontendTestUtils.getConfigDir(), jobManager);
        String[] parameters = { "-d", savepointPath };
        int returnCode = frontend.savepoint(parameters);
        assertTrue(returnCode != 0);
        verify(jobManager, times(1)).ask(Mockito.eq(new DisposeSavepoint(savepointPath)), any(FiniteDuration.class));
        assertTrue(buffer.toString().contains("expectedTestException"));
    } finally {
        restoreStdOutAndStdErr();
    }
}

Example 4 with DisposeSavepoint

use of org.apache.flink.runtime.messages.JobManagerMessages.DisposeSavepoint in project flink by apache.

the class CliFrontendSavepointTest method testDisposeSavepointFailureUnknownResponse.

@Test
public void testDisposeSavepointFailureUnknownResponse() throws Exception {
    replaceStdOutAndStdErr();
    try {
        String savepointPath = "expectedSavepointPath";
        ActorGateway jobManager = mock(ActorGateway.class);
        Promise<Object> triggerResponse = new scala.concurrent.impl.Promise.DefaultPromise<>();
        when(jobManager.ask(Mockito.eq(new DisposeSavepoint(savepointPath)), any(FiniteDuration.class))).thenReturn(triggerResponse.future());
        triggerResponse.success("UNKNOWN RESPONSE");
        CliFrontend frontend = new MockCliFrontend(CliFrontendTestUtils.getConfigDir(), jobManager);
        String[] parameters = { "-d", savepointPath };
        int returnCode = frontend.savepoint(parameters);
        assertTrue(returnCode != 0);
        verify(jobManager, times(1)).ask(Mockito.eq(new DisposeSavepoint(savepointPath)), any(FiniteDuration.class));
        String errMsg = buffer.toString();
        assertTrue(errMsg.contains("IllegalStateException"));
        assertTrue(errMsg.contains("Unknown JobManager response"));
    } finally {
        restoreStdOutAndStdErr();
    }
    replaceStdOutAndStdErr();
}

Example 5 with DisposeSavepoint

use of org.apache.flink.runtime.messages.JobManagerMessages.DisposeSavepoint in project flink by apache.

the class SavepointITCase method testTriggerSavepointAndResumeWithFileBasedCheckpoints.

/**
	 * Triggers a savepoint for a job that uses the FsStateBackend. We expect
	 * that all checkpoint files are written to a new savepoint directory.
	 *
	 * <ol>
	 * <li>Submit job, wait for some progress</li>
	 * <li>Trigger savepoint and verify that savepoint has been created</li>
	 * <li>Shut down the cluster, re-submit the job from the savepoint,
	 * verify that the initial state has been reset, and
	 * all tasks are running again</li>
	 * <li>Cancel job, dispose the savepoint, and verify that everything
	 * has been cleaned up</li>
	 * </ol>
	 */
@Test
public void testTriggerSavepointAndResumeWithFileBasedCheckpoints() throws Exception {
    // Config
    final int numTaskManagers = 2;
    final int numSlotsPerTaskManager = 2;
    final int parallelism = numTaskManagers * numSlotsPerTaskManager;
    final Deadline deadline = new FiniteDuration(5, TimeUnit.MINUTES).fromNow();
    final File testRoot = folder.newFolder();
    TestingCluster flink = null;
    try {
        // Create a test actor system
        ActorSystem testActorSystem = AkkaUtils.createDefaultActorSystem();
        // Flink configuration
        final Configuration config = new Configuration();
        config.setInteger(ConfigConstants.LOCAL_NUMBER_TASK_MANAGER, numTaskManagers);
        config.setInteger(ConfigConstants.TASK_MANAGER_NUM_TASK_SLOTS, numSlotsPerTaskManager);
        final File checkpointDir = new File(testRoot, "checkpoints");
        final File savepointRootDir = new File(testRoot, "savepoints");
        if (!checkpointDir.mkdir() || !savepointRootDir.mkdirs()) {
            fail("Test setup failed: failed to create temporary directories.");
        }
        // Use file based checkpoints
        config.setString(CoreOptions.STATE_BACKEND, "filesystem");
        config.setString(FsStateBackendFactory.CHECKPOINT_DIRECTORY_URI_CONF_KEY, checkpointDir.toURI().toString());
        config.setString(FsStateBackendFactory.MEMORY_THRESHOLD_CONF_KEY, "0");
        config.setString(ConfigConstants.SAVEPOINT_DIRECTORY_KEY, savepointRootDir.toURI().toString());
        // Start Flink
        flink = new TestingCluster(config);
        flink.start(true);
        // Submit the job
        final JobGraph jobGraph = createJobGraph(parallelism, 0, 1000);
        final JobID jobId = jobGraph.getJobID();
        // Reset the static test job helpers
        StatefulCounter.resetForTest(parallelism);
        // Retrieve the job manager
        ActorGateway jobManager = Await.result(flink.leaderGateway().future(), deadline.timeLeft());
        LOG.info("Submitting job " + jobGraph.getJobID() + " in detached mode.");
        flink.submitJobDetached(jobGraph);
        LOG.info("Waiting for some progress.");
        // wait for the JobManager to be ready
        Future<Object> allRunning = jobManager.ask(new WaitForAllVerticesToBeRunning(jobId), deadline.timeLeft());
        Await.ready(allRunning, deadline.timeLeft());
        // wait for the Tasks to be ready
        StatefulCounter.getProgressLatch().await(deadline.timeLeft().toMillis(), TimeUnit.MILLISECONDS);
        LOG.info("Triggering a savepoint.");
        Future<Object> savepointPathFuture = jobManager.ask(new TriggerSavepoint(jobId, Option.<String>empty()), deadline.timeLeft());
        final String savepointPath = ((TriggerSavepointSuccess) Await.result(savepointPathFuture, deadline.timeLeft())).savepointPath();
        LOG.info("Retrieved savepoint path: " + savepointPath + ".");
        // Retrieve the savepoint from the testing job manager
        LOG.info("Requesting the savepoint.");
        Future<Object> savepointFuture = jobManager.ask(new RequestSavepoint(savepointPath), deadline.timeLeft());
        SavepointV1 savepoint = (SavepointV1) ((ResponseSavepoint) Await.result(savepointFuture, deadline.timeLeft())).savepoint();
        LOG.info("Retrieved savepoint: " + savepointPath + ".");
        // Shut down the Flink cluster (thereby canceling the job)
        LOG.info("Shutting down Flink cluster.");
        flink.shutdown();
        flink.awaitTermination();
        // - Verification START -------------------------------------------
        // Only one savepoint should exist
        File[] files = savepointRootDir.listFiles();
        if (files != null) {
            assertEquals("Savepoint not created in expected directory", 1, files.length);
            assertTrue("Savepoint did not create self-contained directory", files[0].isDirectory());
            File savepointDir = files[0];
            File[] savepointFiles = savepointDir.listFiles();
            assertNotNull(savepointFiles);
            // Expect one metadata file and one checkpoint file per stateful
            // parallel subtask
            String errMsg = "Did not write expected number of savepoint/checkpoint files to directory: " + Arrays.toString(savepointFiles);
            assertEquals(errMsg, 1 + parallelism, savepointFiles.length);
        } else {
            fail("Savepoint not created in expected directory");
        }
        // We currently have the following directory layout: checkpointDir/jobId/chk-ID
        File jobCheckpoints = new File(checkpointDir, jobId.toString());
        if (jobCheckpoints.exists()) {
            files = jobCheckpoints.listFiles();
            assertNotNull("Checkpoint directory empty", files);
            assertEquals("Checkpoints directory not clean: " + Arrays.toString(files), 0, files.length);
        }
        // - Verification END ---------------------------------------------
        // Restart the cluster
        LOG.info("Restarting Flink cluster.");
        flink.start();
        // Retrieve the job manager
        LOG.info("Retrieving JobManager.");
        jobManager = Await.result(flink.leaderGateway().future(), deadline.timeLeft());
        LOG.info("JobManager: " + jobManager + ".");
        // Reset static test helpers
        StatefulCounter.resetForTest(parallelism);
        // Gather all task deployment descriptors
        final Throwable[] error = new Throwable[1];
        final TestingCluster finalFlink = flink;
        final Multimap<JobVertexID, TaskDeploymentDescriptor> tdds = HashMultimap.create();
        new JavaTestKit(testActorSystem) {

            {
                new Within(deadline.timeLeft()) {

                    @Override
                    protected void run() {
                        try {
                            // Register to all submit task messages for job
                            for (ActorRef taskManager : finalFlink.getTaskManagersAsJava()) {
                                taskManager.tell(new TestingTaskManagerMessages.RegisterSubmitTaskListener(jobId), getTestActor());
                            }
                            // Set the savepoint path
                            jobGraph.setSavepointRestoreSettings(SavepointRestoreSettings.forPath(savepointPath));
                            LOG.info("Resubmitting job " + jobGraph.getJobID() + " with " + "savepoint path " + savepointPath + " in detached mode.");
                            // Submit the job
                            finalFlink.submitJobDetached(jobGraph);
                            int numTasks = 0;
                            for (JobVertex jobVertex : jobGraph.getVertices()) {
                                numTasks += jobVertex.getParallelism();
                            }
                            // Gather the task deployment descriptors
                            LOG.info("Gathering " + numTasks + " submitted " + "TaskDeploymentDescriptor instances.");
                            for (int i = 0; i < numTasks; i++) {
                                ResponseSubmitTaskListener resp = (ResponseSubmitTaskListener) expectMsgAnyClassOf(getRemainingTime(), ResponseSubmitTaskListener.class);
                                TaskDeploymentDescriptor tdd = resp.tdd();
                                LOG.info("Received: " + tdd.toString() + ".");
                                TaskInformation taskInformation = tdd.getSerializedTaskInformation().deserializeValue(getClass().getClassLoader());
                                tdds.put(taskInformation.getJobVertexId(), tdd);
                            }
                        } catch (Throwable t) {
                            error[0] = t;
                        }
                    }
                };
            }
        };
        // - Verification START -------------------------------------------
        String errMsg = "Error during gathering of TaskDeploymentDescriptors";
        assertNull(errMsg, error[0]);
        // have a matching task deployment descriptor.
        for (TaskState taskState : savepoint.getTaskStates()) {
            Collection<TaskDeploymentDescriptor> taskTdds = tdds.get(taskState.getJobVertexID());
            errMsg = "Missing task for savepoint state for operator " + taskState.getJobVertexID() + ".";
            assertTrue(errMsg, taskTdds.size() > 0);
            assertEquals(taskState.getNumberCollectedStates(), taskTdds.size());
            for (TaskDeploymentDescriptor tdd : taskTdds) {
                SubtaskState subtaskState = taskState.getState(tdd.getSubtaskIndex());
                assertNotNull(subtaskState);
                errMsg = "Initial operator state mismatch.";
                assertEquals(errMsg, subtaskState.getLegacyOperatorState(), tdd.getTaskStateHandles().getLegacyOperatorState());
            }
        }
        // Await state is restored
        StatefulCounter.getRestoreLatch().await(deadline.timeLeft().toMillis(), TimeUnit.MILLISECONDS);
        // Await some progress after restore
        StatefulCounter.getProgressLatch().await(deadline.timeLeft().toMillis(), TimeUnit.MILLISECONDS);
        // - Verification END ---------------------------------------------
        LOG.info("Cancelling job " + jobId + ".");
        jobManager.tell(new CancelJob(jobId));
        LOG.info("Disposing savepoint " + savepointPath + ".");
        Future<Object> disposeFuture = jobManager.ask(new DisposeSavepoint(savepointPath), deadline.timeLeft());
        errMsg = "Failed to dispose savepoint " + savepointPath + ".";
        Object resp = Await.result(disposeFuture, deadline.timeLeft());
        assertTrue(errMsg, resp.getClass() == getDisposeSavepointSuccess().getClass());
        // - Verification START -------------------------------------------
        // The checkpoint files
        List<File> checkpointFiles = new ArrayList<>();
        for (TaskState stateForTaskGroup : savepoint.getTaskStates()) {
            for (SubtaskState subtaskState : stateForTaskGroup.getStates()) {
                ChainedStateHandle<StreamStateHandle> streamTaskState = subtaskState.getLegacyOperatorState();
                for (int i = 0; i < streamTaskState.getLength(); i++) {
                    if (streamTaskState.get(i) != null) {
                        FileStateHandle fileStateHandle = (FileStateHandle) streamTaskState.get(i);
                        checkpointFiles.add(new File(fileStateHandle.getFilePath().toUri()));
                    }
                }
            }
        }
        // The checkpoint files of the savepoint should have been discarded
        for (File f : checkpointFiles) {
            errMsg = "Checkpoint file " + f + " not cleaned up properly.";
            assertFalse(errMsg, f.exists());
        }
        if (checkpointFiles.size() > 0) {
            File parent = checkpointFiles.get(0).getParentFile();
            errMsg = "Checkpoint parent directory " + parent + " not cleaned up properly.";
            assertFalse(errMsg, parent.exists());
        }
        // All savepoints should have been cleaned up
        errMsg = "Savepoints directory not cleaned up properly: " + Arrays.toString(savepointRootDir.listFiles()) + ".";
        assertEquals(errMsg, 0, savepointRootDir.listFiles().length);
    // - Verification END ---------------------------------------------
    } finally {
        if (flink != null) {
            flink.shutdown();
        }
    }
}