Examples with ContainerPlacementResponseMessage org.apache.samza.container.placement.ContainerPlacementResponseMessage used on opensource projects

Example 6 with ContainerPlacementResponseMessage

use of org.apache.samza.container.placement.ContainerPlacementResponseMessage in project samza by apache.

the class TestContainerPlacementActions method testActionQueuingForConsecutivePlacementActions.

@Test(timeout = 30000)
public void testActionQueuingForConsecutivePlacementActions() throws Exception {
    // Spawn a Request Allocator Thread
    ContainerPlacementRequestAllocator requestAllocator = new ContainerPlacementRequestAllocator(containerPlacementMetadataStore, cpm, new ApplicationConfig(config), 100);
    Thread requestAllocatorThread = new Thread(requestAllocator, "ContainerPlacement Request Allocator Thread");
    requestAllocatorThread.start();
    doAnswer(new Answer<Void>() {

        public Void answer(InvocationOnMock invocation) {
            new Thread(() -> {
                Object[] args = invocation.getArguments();
                cpm.onResourcesAvailable((List<SamzaResource>) args[0]);
            }, "AMRMClientAsync").start();
            return null;
        }
    }).when(callback).onResourcesAvailable(anyList());
    doAnswer(new Answer<Void>() {

        public Void answer(InvocationOnMock invocation) {
            new Thread(() -> {
                Object[] args = invocation.getArguments();
                cpm.onStreamProcessorLaunchSuccess((SamzaResource) args[0]);
            }, "AMRMClientAsync").start();
            return null;
        }
    }).when(callback).onStreamProcessorLaunchSuccess(any());
    doAnswer(new Answer<Void>() {

        public Void answer(InvocationOnMock invocation) {
            new Thread(() -> {
                Object[] args = invocation.getArguments();
                cpm.onResourcesCompleted((List<SamzaResourceStatus>) args[0]);
            }, "AMRMClientAsync").start();
            return null;
        }
    }).when(callback).onResourcesCompleted(anyList());
    cpm.start();
    if (!allocatorWithHostAffinity.awaitContainersStart(2, 5, TimeUnit.SECONDS)) {
        fail("timed out waiting for the containers to start");
    }
    while (state.runningProcessors.size() != 2) {
        Thread.sleep(100);
    }
    // App is in running state with two containers running
    assertEquals(state.runningProcessors.size(), 2);
    assertEquals(state.runningProcessors.get("0").getHost(), "host-1");
    assertEquals(state.runningProcessors.get("1").getHost(), "host-2");
    assertEquals(state.preferredHostRequests.get(), 2);
    assertEquals(state.anyHostRequests.get(), 0);
    // Initiate container placement action to move a container with container id 0
    UUID requestUUIDMove1 = containerPlacementMetadataStore.writeContainerPlacementRequestMessage("appAttempt-001", "0", "host-3", null, System.currentTimeMillis());
    UUID requestUUIDMoveBad = containerPlacementMetadataStore.writeContainerPlacementRequestMessage("appAttempt-002", "0", "host-4", null, System.currentTimeMillis());
    UUID requestUUIDMove2 = containerPlacementMetadataStore.writeContainerPlacementRequestMessage("appAttempt-001", "0", "host-4", null, System.currentTimeMillis());
    // Wait for the ControlAction to complete
    while (true) {
        if (containerPlacementMetadataStore.readContainerPlacementResponseMessage(requestUUIDMove2).isPresent() && containerPlacementMetadataStore.readContainerPlacementResponseMessage(requestUUIDMove2).get().getStatusCode() == ContainerPlacementMessage.StatusCode.SUCCEEDED) {
            break;
        }
        Thread.sleep(100);
    }
    assertEquals(state.preferredHostRequests.get(), 4);
    assertEquals(state.runningProcessors.size(), 2);
    assertEquals(state.runningProcessors.get("0").getHost(), "host-4");
    assertEquals(state.runningProcessors.get("1").getHost(), "host-2");
    assertEquals(state.anyHostRequests.get(), 0);
    Optional<ContainerPlacementResponseMessage> responseMessageMove1 = containerPlacementMetadataStore.readContainerPlacementResponseMessage(requestUUIDMove1);
    Optional<ContainerPlacementResponseMessage> responseMessageMove2 = containerPlacementMetadataStore.readContainerPlacementResponseMessage(requestUUIDMove2);
    assertTrue(responseMessageMove1.isPresent());
    assertEquals(responseMessageMove1.get().getStatusCode(), ContainerPlacementMessage.StatusCode.SUCCEEDED);
    assertTrue(responseMessageMove2.isPresent());
    assertEquals(responseMessageMove2.get().getStatusCode(), ContainerPlacementMessage.StatusCode.SUCCEEDED);
    // Request should be deleted as soon as ita accepted / being acted upon
    assertFalse(containerPlacementMetadataStore.readContainerPlacementRequestMessage(requestUUIDMove1).isPresent());
    assertFalse(containerPlacementMetadataStore.readContainerPlacementRequestMessage(requestUUIDMove2).isPresent());
    // Requests from Previous deploy must be cleaned
    assertFalse(containerPlacementMetadataStore.readContainerPlacementRequestMessage(requestUUIDMoveBad).isPresent());
    assertFalse(containerPlacementMetadataStore.readContainerPlacementResponseMessage(requestUUIDMoveBad).isPresent());
    // Cleanup Request Allocator Thread
    cleanUpRequestAllocatorThread(requestAllocator, requestAllocatorThread);
}

Example 7 with ContainerPlacementResponseMessage

use of org.apache.samza.container.placement.ContainerPlacementResponseMessage in project samza by apache.

the class TestContainerPlacementActions method testContainerMoveActionExpiredRequestNotAffectRunningContainers.

@Test(timeout = 10000)
public void testContainerMoveActionExpiredRequestNotAffectRunningContainers() throws Exception {
    // Mimic the behavior of Expired request
    doAnswer(new Answer<Void>() {

        public Void answer(InvocationOnMock invocation) {
            new Thread(() -> {
                Object[] args = invocation.getArguments();
                List<SamzaResource> resources = (List<SamzaResource>) args[0];
                if (resources.get(0).getHost().equals("host-1") || resources.get(0).getHost().equals("host-2")) {
                    cpm.onResourcesAvailable((List<SamzaResource>) args[0]);
                }
            }, "AMRMClientAsync").start();
            return null;
        }
    }).when(callback).onResourcesAvailable(anyList());
    doAnswer(new Answer<Void>() {

        public Void answer(InvocationOnMock invocation) {
            new Thread(() -> {
                Object[] args = invocation.getArguments();
                cpm.onStreamProcessorLaunchSuccess((SamzaResource) args[0]);
            }, "AMRMClientAsync").start();
            return null;
        }
    }).when(callback).onStreamProcessorLaunchSuccess(any());
    cpm.start();
    if (!allocatorWithHostAffinity.awaitContainersStart(2, 3, TimeUnit.SECONDS)) {
        fail("timed out waiting for the containers to start");
    }
    while (state.runningProcessors.size() != 2) {
        Thread.sleep(100);
    }
    // App is in running state with two containers running
    assertEquals(state.runningProcessors.size(), 2);
    assertEquals(state.runningProcessors.get("0").getHost(), "host-1");
    assertEquals(state.runningProcessors.get("1").getHost(), "host-2");
    assertEquals(state.preferredHostRequests.get(), 2);
    assertEquals(state.anyHostRequests.get(), 0);
    // Initiate container placement action to move a container with container id 0
    ContainerPlacementRequestMessage requestMessage = new ContainerPlacementRequestMessage(UUID.randomUUID(), "appAttempt-001", "0", "host-3", Duration.ofMillis(10), System.currentTimeMillis());
    ContainerPlacementMetadata metadata = containerManager.registerContainerPlacementActionForTest(requestMessage, allocatorWithHostAffinity);
    Optional<ContainerPlacementResponseMessage> responseMessage = containerPlacementMetadataStore.readContainerPlacementResponseMessage(requestMessage.getUuid());
    // Wait for the placement action to be complete & get written to the underlying metastore
    while (true) {
        if (metadata.getActionStatus() == ContainerPlacementMessage.StatusCode.FAILED && responseMessage.isPresent() && responseMessage.get().getStatusCode() == ContainerPlacementMessage.StatusCode.FAILED) {
            break;
        }
        Thread.sleep(100);
        responseMessage = containerPlacementMetadataStore.readContainerPlacementResponseMessage(requestMessage.getUuid());
    }
    assertEquals(state.preferredHostRequests.get(), 3);
    assertEquals(state.runningProcessors.size(), 2);
    // Container should not be stooped
    assertEquals(state.runningProcessors.get("0").getHost(), "host-1");
    assertEquals(state.runningProcessors.get("1").getHost(), "host-2");
    assertEquals(state.anyHostRequests.get(), 0);
    assertTrue(responseMessage.isPresent());
    assertEquals(responseMessage.get().getStatusCode(), ContainerPlacementMessage.StatusCode.FAILED);
    assertResponseMessage(responseMessage.get(), requestMessage);
    // Request shall be deleted as soon as it is acted upon
    assertFalse(containerPlacementMetadataStore.readContainerPlacementRequestMessage(requestMessage.getUuid()).isPresent());
}

Example 8 with ContainerPlacementResponseMessage

use of org.apache.samza.container.placement.ContainerPlacementResponseMessage in project samza by apache.

the class TestContainerPlacementActions method testAlwaysMoveToAnyHostForHostAffinityDisabled.

@Test(timeout = 10000)
public void testAlwaysMoveToAnyHostForHostAffinityDisabled() throws Exception {
    Map<String, String> conf = new HashMap<>();
    conf.putAll(getConfigWithHostAffinityAndRetries(false, 1, true));
    SamzaApplicationState state = new SamzaApplicationState(JobModelManagerTestUtil.getJobModelManager(getConfig(), 2, this.server));
    ClusterResourceManager.Callback callback = mock(ClusterResourceManager.Callback.class);
    MockClusterResourceManager clusterResourceManager = new MockClusterResourceManager(callback, state);
    FaultDomainManager faultDomainManager = mock(FaultDomainManager.class);
    ContainerManager containerManager = new ContainerManager(containerPlacementMetadataStore, state, clusterResourceManager, false, false, localityManager, faultDomainManager, config);
    MockContainerAllocatorWithoutHostAffinity allocatorWithoutHostAffinity = new MockContainerAllocatorWithoutHostAffinity(clusterResourceManager, new MapConfig(conf), state, containerManager);
    ContainerProcessManager cpm = new ContainerProcessManager(new ClusterManagerConfig(new MapConfig(getConfig(), getConfigWithHostAffinityAndRetries(false, 1, true))), state, new MetricsRegistryMap(), clusterResourceManager, Optional.of(allocatorWithoutHostAffinity), containerManager, localityManager, false);
    // Mimic Cluster Manager returning any request
    doAnswer(new Answer<Void>() {

        public Void answer(InvocationOnMock invocation) {
            new Thread(() -> {
                Object[] args = invocation.getArguments();
                List<SamzaResource> resources = (List<SamzaResource>) args[0];
                SamzaResource preferredResource = resources.get(0);
                SamzaResource anyResource = new SamzaResource(preferredResource.getNumCores(), preferredResource.getMemoryMb(), "host-" + RandomStringUtils.randomAlphanumeric(5), preferredResource.getContainerId());
                cpm.onResourcesAvailable(ImmutableList.of(anyResource));
            }, "AMRMClientAsync").start();
            return null;
        }
    }).when(callback).onResourcesAvailable(anyList());
    doAnswer(new Answer<Void>() {

        public Void answer(InvocationOnMock invocation) {
            new Thread(() -> {
                Object[] args = invocation.getArguments();
                cpm.onStreamProcessorLaunchSuccess((SamzaResource) args[0]);
            }, "AMRMClientAsync").start();
            return null;
        }
    }).when(callback).onStreamProcessorLaunchSuccess(any());
    doAnswer(new Answer<Void>() {

        public Void answer(InvocationOnMock invocation) {
            new Thread(() -> {
                Object[] args = invocation.getArguments();
                cpm.onResourcesCompleted((List<SamzaResourceStatus>) args[0]);
            }, "AMRMClientAsync").start();
            return null;
        }
    }).when(callback).onResourcesCompleted(anyList());
    cpm.start();
    // This spawns async start request and waits for async requests to complete
    if (!allocatorWithoutHostAffinity.awaitContainersStart(2, 3, TimeUnit.SECONDS)) {
        fail("timed out waiting for the containers to start");
    }
    while (state.runningProcessors.size() != 2) {
        Thread.sleep(100);
    }
    // App is in running state with two containers running
    assertEquals(state.runningProcessors.size(), 2);
    assertEquals(state.preferredHostRequests.get(), 0);
    assertEquals(state.anyHostRequests.get(), 2);
    String previousHostOfContainer1 = state.runningProcessors.get("0").getHost();
    String previousHostOfContainer2 = state.runningProcessors.get("1").getHost();
    // Initiate container placement action to move a container with container id 0
    ContainerPlacementRequestMessage requestMessage = new ContainerPlacementRequestMessage(UUID.randomUUID(), "app-attempt-001", "0", "host-3", System.currentTimeMillis());
    ContainerPlacementMetadata metadata = containerManager.registerContainerPlacementActionForTest(requestMessage, allocatorWithoutHostAffinity);
    // Wait for the ControlAction to complete and spawn an async request
    if (!allocatorWithoutHostAffinity.awaitContainersStart(1, 3, TimeUnit.SECONDS)) {
        fail("timed out waiting for the containers to start");
    }
    Optional<ContainerPlacementResponseMessage> responseMessage = containerPlacementMetadataStore.readContainerPlacementResponseMessage(requestMessage.getUuid());
    while (true) {
        if (metadata.getActionStatus() == ContainerPlacementMessage.StatusCode.SUCCEEDED && responseMessage.isPresent() && responseMessage.get().getStatusCode() == ContainerPlacementMessage.StatusCode.SUCCEEDED) {
            break;
        }
        Thread.sleep(100);
        responseMessage = containerPlacementMetadataStore.readContainerPlacementResponseMessage(requestMessage.getUuid());
    }
    // We should have no preferred host request
    assertEquals(0, state.preferredHostRequests.get());
    // We should have one more ANY_HOST request
    assertEquals(3, state.anyHostRequests.get());
    assertEquals(2, state.runningProcessors.size());
    assertNotEquals(previousHostOfContainer1, state.runningProcessors.get("0").getHost());
    // Container 2 should not be affected
    assertEquals(previousHostOfContainer2, state.runningProcessors.get("1").getHost());
    assertEquals(3, state.anyHostRequests.get());
    // Action should success
    assertEquals(ContainerPlacementMessage.StatusCode.SUCCEEDED, metadata.getActionStatus());
    assertTrue(responseMessage.isPresent());
    assertEquals(responseMessage.get().getStatusCode(), ContainerPlacementMessage.StatusCode.SUCCEEDED);
    assertResponseMessage(responseMessage.get(), requestMessage);
    /**
     * Inject a duplicate request and check it is not accepted
     */
    ContainerPlacementRequestMessage duplicateRequestToBeIgnored = new ContainerPlacementRequestMessage(requestMessage.getUuid(), "app-attempt-001", "1", "host-3", System.currentTimeMillis());
    // Request with a dup uuid should not be accepted
    metadata = containerManager.registerContainerPlacementActionForTest(duplicateRequestToBeIgnored, allocatorWithoutHostAffinity);
    // metadata should be from the previous completed action
    assertTrue(metadata == null || metadata.getUuid() != duplicateRequestToBeIgnored.getUuid());
    responseMessage = containerPlacementMetadataStore.readContainerPlacementResponseMessage(requestMessage.getUuid());
    assertTrue(responseMessage.isPresent());
    assertEquals(responseMessage.get().getStatusCode(), ContainerPlacementMessage.StatusCode.BAD_REQUEST);
    assertResponseMessage(responseMessage.get(), duplicateRequestToBeIgnored);
    // Request shall be deleted as soon as it is acted upon
    assertFalse(containerPlacementMetadataStore.readContainerPlacementRequestMessage(requestMessage.getUuid()).isPresent());
}

Example 9 with ContainerPlacementResponseMessage

use of org.apache.samza.container.placement.ContainerPlacementResponseMessage in project samza by apache.

the class TestContainerPlacementActions method testContainerSuccessfulMoveActionWithoutStandby.

@Test(timeout = 10000)
public void testContainerSuccessfulMoveActionWithoutStandby() throws Exception {
    doAnswer(new Answer<Void>() {

        public Void answer(InvocationOnMock invocation) {
            new Thread(() -> {
                Object[] args = invocation.getArguments();
                cpm.onResourcesAvailable((List<SamzaResource>) args[0]);
            }, "AMRMClientAsync").start();
            return null;
        }
    }).when(callback).onResourcesAvailable(anyList());
    doAnswer(new Answer<Void>() {

        public Void answer(InvocationOnMock invocation) {
            new Thread(() -> {
                Object[] args = invocation.getArguments();
                cpm.onStreamProcessorLaunchSuccess((SamzaResource) args[0]);
            }, "AMRMClientAsync").start();
            return null;
        }
    }).when(callback).onStreamProcessorLaunchSuccess(any());
    doAnswer(new Answer<Void>() {

        public Void answer(InvocationOnMock invocation) {
            new Thread(() -> {
                Object[] args = invocation.getArguments();
                cpm.onResourcesCompleted((List<SamzaResourceStatus>) args[0]);
            }, "AMRMClientAsync").start();
            return null;
        }
    }).when(callback).onResourcesCompleted(anyList());
    cpm.start();
    if (!allocatorWithHostAffinity.awaitContainersStart(2, 5, TimeUnit.SECONDS)) {
        fail("timed out waiting for the containers to start");
    }
    while (state.runningProcessors.size() != 2) {
        Thread.sleep(100);
    }
    // App is in running state with two containers running
    assertEquals(state.runningProcessors.size(), 2);
    assertEquals(state.runningProcessors.get("0").getHost(), "host-1");
    assertEquals(state.runningProcessors.get("1").getHost(), "host-2");
    assertEquals(state.preferredHostRequests.get(), 2);
    assertEquals(state.anyHostRequests.get(), 0);
    // Initiate container placement action to move a container with container id 0
    ContainerPlacementRequestMessage requestMessage = new ContainerPlacementRequestMessage(UUID.randomUUID(), "appAttempt-001", "0", "host-3", System.currentTimeMillis());
    ContainerPlacementMetadata metadata = containerManager.registerContainerPlacementActionForTest(requestMessage, allocatorWithHostAffinity);
    // Wait for the ControlAction to complete
    if (!allocatorWithHostAffinity.awaitContainersStart(1, 3, TimeUnit.SECONDS)) {
        fail("timed out waiting for the containers to start");
    }
    Optional<ContainerPlacementResponseMessage> responseMessage = containerPlacementMetadataStore.readContainerPlacementResponseMessage(requestMessage.getUuid());
    // Wait for the placement action to be complete & get written to the underlying metastore
    while (true) {
        if (metadata.getActionStatus() == ContainerPlacementMessage.StatusCode.SUCCEEDED && responseMessage.isPresent() && responseMessage.get().getStatusCode() == ContainerPlacementMessage.StatusCode.SUCCEEDED) {
            break;
        }
        Thread.sleep(100);
        responseMessage = containerPlacementMetadataStore.readContainerPlacementResponseMessage(requestMessage.getUuid());
    }
    assertEquals(state.preferredHostRequests.get(), 3);
    assertEquals(state.runningProcessors.size(), 2);
    assertEquals(state.runningProcessors.get("0").getHost(), "host-3");
    assertEquals(state.runningProcessors.get("1").getHost(), "host-2");
    assertEquals(state.anyHostRequests.get(), 0);
    assertEquals(metadata.getActionStatus(), ContainerPlacementMessage.StatusCode.SUCCEEDED);
    assertTrue(responseMessage.isPresent());
    assertEquals(responseMessage.get().getStatusCode(), ContainerPlacementMessage.StatusCode.SUCCEEDED);
    assertResponseMessage(responseMessage.get(), requestMessage);
}

Example 10 with ContainerPlacementResponseMessage

use of org.apache.samza.container.placement.ContainerPlacementResponseMessage in project samza by apache.

the class TestContainerPlacementMetadataStore method testReadWriteContainerPlacementResponseMessages.

@Test
public void testReadWriteContainerPlacementResponseMessages() {
    ContainerPlacementResponseMessage messageWrittenToMetastore = new ContainerPlacementResponseMessage(UUID.randomUUID(), "app-attempt-001", Integer.toString(new Random().nextInt(5)), "ANY_HOST", ContainerPlacementMessage.StatusCode.BAD_REQUEST, "Request ignored redundant", System.currentTimeMillis());
    containerPlacementMetadataStore.writeContainerPlacementResponseMessage(messageWrittenToMetastore);
    Optional<ContainerPlacementResponseMessage> messageReadFromMetastore = containerPlacementMetadataStore.readContainerPlacementResponseMessage(messageWrittenToMetastore.getUuid());
    Assert.assertTrue(messageReadFromMetastore.isPresent());
    Assert.assertEquals(messageWrittenToMetastore, messageReadFromMetastore.get());
    // Request store must not contain anything
    Optional<ContainerPlacementRequestMessage> readNull = containerPlacementMetadataStore.readContainerPlacementRequestMessage(messageWrittenToMetastore.getUuid());
    Assert.assertTrue(!readNull.isPresent());
    // No request messages should exist
    Assert.assertTrue(!containerPlacementMetadataStore.readContainerPlacementRequestMessage(messageWrittenToMetastore.getUuid()).isPresent());
    Assert.assertTrue(containerPlacementMetadataStore.getContainerPlacementStore().all().size() == 1);
}