/**
* 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.tez.dag.app.rm.container;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.reset;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import java.net.InetSocketAddress;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import org.apache.hadoop.security.Credentials;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.yarn.api.records.ApplicationAccessType;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.Container;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.ContainerState;
import org.apache.hadoop.yarn.api.records.ContainerStatus;
import org.apache.hadoop.yarn.api.records.LocalResource;
import org.apache.hadoop.yarn.api.records.NodeId;
import org.apache.hadoop.yarn.api.records.Priority;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.event.Event;
import org.apache.hadoop.yarn.event.EventHandler;
import org.apache.tez.dag.app.AppContext;
import org.apache.tez.dag.app.ContainerHeartbeatHandler;
import org.apache.tez.dag.app.ContainerContext;
import org.apache.tez.dag.app.TaskAttemptListener;
import org.apache.tez.dag.app.dag.event.TaskAttemptEventContainerTerminated;
import org.apache.tez.dag.app.dag.event.TaskAttemptEventNodeFailed;
import org.apache.tez.dag.app.dag.event.TaskAttemptEventType;
import org.apache.tez.dag.app.rm.AMSchedulerEventType;
import org.apache.tez.dag.app.rm.NMCommunicatorEventType;
import org.apache.tez.dag.records.TezDAGID;
import org.apache.tez.dag.records.TezTaskAttemptID;
import org.apache.tez.dag.records.TezTaskID;
import org.apache.tez.dag.records.TezVertexID;
import org.apache.tez.runtime.api.impl.TaskSpec;
import org.apache.tez.runtime.library.common.security.JobTokenIdentifier;
import org.apache.tez.runtime.library.common.security.TokenCache;
import org.junit.Test;
import org.mockito.ArgumentCaptor;
public class TestAMContainer {
@Test
// Assign before launch.
public void tetSingleSuccessfulTaskFlow() {
WrappedContainer wc = new WrappedContainer();
wc.verifyState(AMContainerState.ALLOCATED);
// Launch request.
wc.launchContainer();
wc.verifyState(AMContainerState.LAUNCHING);
// 1 Launch request.
wc.verifyCountAndGetOutgoingEvents(1);
// Assign task.
wc.assignTaskAttempt(wc.taskAttemptID);
wc.verifyState(AMContainerState.LAUNCHING);
wc.verifyNoOutgoingEvents();
assertEquals(wc.taskAttemptID, wc.amContainer.getQueuedTaskAttempts()
.get(0));
// Container Launched
wc.containerLaunched();
wc.verifyState(AMContainerState.IDLE);
wc.verifyNoOutgoingEvents();
assertEquals(wc.taskAttemptID, wc.amContainer.getQueuedTaskAttempts()
.get(0));
assertNull(wc.amContainer.getRunningTaskAttempt());
verify(wc.tal).registerRunningContainer(wc.containerID);
verify(wc.chh).register(wc.containerID);
// Pull TA
AMContainerTask pulledTask = wc.pullTaskToRun();
wc.verifyState(AMContainerState.RUNNING);
wc.verifyNoOutgoingEvents();
assertFalse(pulledTask.shouldDie());
assertEquals(wc.taskSpec.getTaskAttemptID(), pulledTask.getTask()
.getTaskAttemptID());
assertEquals(wc.taskAttemptID, wc.amContainer.getRunningTaskAttempt());
assertEquals(0, wc.amContainer.getQueuedTaskAttempts().size());
wc.taskAttemptSucceeded(wc.taskAttemptID);
wc.verifyState(AMContainerState.IDLE);
wc.verifyNoOutgoingEvents();
assertNull(wc.amContainer.getRunningTaskAttempt());
verify(wc.tal).unregisterTaskAttempt(wc.taskAttemptID);
wc.containerCompleted();
wc.verifyState(AMContainerState.COMPLETED);
// 1 Scheduler completed event.
wc.verifyCountAndGetOutgoingEvents(1);
verify(wc.tal).unregisterRunningContainer(wc.containerID);
verify(wc.chh).unregister(wc.containerID);
assertEquals(1, wc.amContainer.getAllTaskAttempts().size());
assertFalse(wc.amContainer.isInErrorState());
}
@Test
// Assign after launch.
public void testSingleSuccessfulTaskFlow2() {
WrappedContainer wc = new WrappedContainer();
wc.verifyState(AMContainerState.ALLOCATED);
// Launch request.
wc.launchContainer();
wc.verifyState(AMContainerState.LAUNCHING);
// 1 Launch request.
wc.verifyCountAndGetOutgoingEvents(1);
// Container Launched
wc.containerLaunched();
wc.verifyState(AMContainerState.IDLE);
wc.verifyNoOutgoingEvents();
assertEquals(0, wc.amContainer.getQueuedTaskAttempts().size());
verify(wc.tal).registerRunningContainer(wc.containerID);
verify(wc.chh).register(wc.containerID);
// Assign task.
wc.assignTaskAttempt(wc.taskAttemptID);
wc.verifyState(AMContainerState.IDLE);
wc.verifyNoOutgoingEvents();
assertEquals(wc.taskAttemptID, wc.amContainer.getQueuedTaskAttempts()
.get(0));
assertNull(wc.amContainer.getRunningTaskAttempt());
// Pull TA
AMContainerTask pulledTask = wc.pullTaskToRun();
wc.verifyState(AMContainerState.RUNNING);
wc.verifyNoOutgoingEvents();
assertFalse(pulledTask.shouldDie());
assertEquals(wc.taskSpec.getTaskAttemptID(), pulledTask.getTask()
.getTaskAttemptID());
assertEquals(wc.taskAttemptID, wc.amContainer.getRunningTaskAttempt());
assertEquals(0, wc.amContainer.getQueuedTaskAttempts().size());
wc.taskAttemptSucceeded(wc.taskAttemptID);
wc.verifyState(AMContainerState.IDLE);
wc.verifyNoOutgoingEvents();
assertNull(wc.amContainer.getRunningTaskAttempt());
verify(wc.tal).unregisterTaskAttempt(wc.taskAttemptID);
wc.containerCompleted();
wc.verifyState(AMContainerState.COMPLETED);
// 1 Scheduler completed event.
wc.verifyCountAndGetOutgoingEvents(1);
verify(wc.tal).unregisterRunningContainer(wc.containerID);
verify(wc.chh).unregister(wc.containerID);
assertEquals(1, wc.amContainer.getAllTaskAttempts().size());
assertFalse(wc.amContainer.isInErrorState());
}
@Test
public void testSingleSuccessfulTaskFlowStopRequest() {
WrappedContainer wc = new WrappedContainer();
wc.verifyState(AMContainerState.ALLOCATED);
wc.launchContainer();
wc.assignTaskAttempt(wc.taskAttemptID);
wc.containerLaunched();
wc.pullTaskToRun();
wc.taskAttemptSucceeded(wc.taskAttemptID);
wc.stopRequest();
wc.verifyState(AMContainerState.STOP_REQUESTED);
// Event to NM to stop the container.
wc.verifyCountAndGetOutgoingEvents(1);
assertTrue(wc.verifyCountAndGetOutgoingEvents(1).get(0).getType() ==
NMCommunicatorEventType.CONTAINER_STOP_REQUEST);
wc.nmStopSent();
wc.verifyState(AMContainerState.STOPPING);
wc.verifyNoOutgoingEvents();
wc.containerCompleted();
wc.verifyState(AMContainerState.COMPLETED);
// 1 Scheduler completed event.
wc.verifyCountAndGetOutgoingEvents(1);
verify(wc.tal).unregisterRunningContainer(wc.containerID);
verify(wc.chh).unregister(wc.containerID);
assertEquals(0, wc.amContainer.getQueuedTaskAttempts().size());
assertNull(wc.amContainer.getRunningTaskAttempt());
assertEquals(1, wc.amContainer.getAllTaskAttempts().size());
assertFalse(wc.amContainer.isInErrorState());
}
@Test
public void testSingleSuccessfulTaskFlowFailedNMStopRequest() {
WrappedContainer wc = new WrappedContainer();
wc.verifyState(AMContainerState.ALLOCATED);
wc.launchContainer();
wc.assignTaskAttempt(wc.taskAttemptID);
wc.containerLaunched();
wc.pullTaskToRun();
wc.taskAttemptSucceeded(wc.taskAttemptID);
wc.stopRequest();
wc.verifyState(AMContainerState.STOP_REQUESTED);
// Event to NM to stop the container.
wc.verifyCountAndGetOutgoingEvents(1);
assertTrue(wc.verifyCountAndGetOutgoingEvents(1).get(0).getType() ==
NMCommunicatorEventType.CONTAINER_STOP_REQUEST);
wc.nmStopFailed();
wc.verifyState(AMContainerState.STOPPING);
// Event to ask a RM container release.
wc.verifyCountAndGetOutgoingEvents(1);
assertTrue(wc.verifyCountAndGetOutgoingEvents(1).get(0).getType() ==
AMSchedulerEventType.S_CONTAINER_DEALLOCATE);
wc.containerCompleted();
wc.verifyState(AMContainerState.COMPLETED);
// 1 Scheduler completed event.
wc.verifyCountAndGetOutgoingEvents(1);
verify(wc.tal).unregisterRunningContainer(wc.containerID);
verify(wc.chh).unregister(wc.containerID);
assertEquals(0, wc.amContainer.getQueuedTaskAttempts().size());
assertNull(wc.amContainer.getRunningTaskAttempt());
assertEquals(1, wc.amContainer.getAllTaskAttempts().size());
assertFalse(wc.amContainer.isInErrorState());
}
@SuppressWarnings("rawtypes")
@Test
public void testMultipleAllocationsAtIdle() {
WrappedContainer wc = new WrappedContainer();
List<Event> outgoingEvents;
wc.launchContainer();
wc.containerLaunched();
wc.assignTaskAttempt(wc.taskAttemptID);
wc.verifyState(AMContainerState.IDLE);
TezTaskAttemptID taID2 = new TezTaskAttemptID(wc.taskID, 2);
wc.assignTaskAttempt(taID2);
wc.verifyState(AMContainerState.STOP_REQUESTED);
verify(wc.tal).unregisterRunningContainer(wc.containerID);
verify(wc.chh).unregister(wc.containerID);
// 1 for NM stop request. 2 TERMINATING to TaskAttempt.
outgoingEvents = wc.verifyCountAndGetOutgoingEvents(3);
verifyUnOrderedOutgoingEventTypes(outgoingEvents,
NMCommunicatorEventType.CONTAINER_STOP_REQUEST,
TaskAttemptEventType.TA_CONTAINER_TERMINATING,
TaskAttemptEventType.TA_CONTAINER_TERMINATING);
assertTrue(wc.amContainer.isInErrorState());
wc.nmStopSent();
wc.containerCompleted();
// 1 Inform scheduler. 2 TERMINATED to TaskAttempt.
outgoingEvents = wc.verifyCountAndGetOutgoingEvents(3);
verifyUnOrderedOutgoingEventTypes(outgoingEvents,
TaskAttemptEventType.TA_CONTAINER_TERMINATED,
TaskAttemptEventType.TA_CONTAINER_TERMINATED,
AMSchedulerEventType.S_CONTAINER_COMPLETED);
assertNull(wc.amContainer.getRunningTaskAttempt());
assertEquals(0, wc.amContainer.getQueuedTaskAttempts().size());
assertEquals(2, wc.amContainer.getAllTaskAttempts().size());
}
@SuppressWarnings("rawtypes")
@Test
public void testAllocationAtRunning() {
WrappedContainer wc = new WrappedContainer();
List<Event> outgoingEvents;
wc.launchContainer();
wc.containerLaunched();
wc.assignTaskAttempt(wc.taskAttemptID);
wc.pullTaskToRun();
wc.verifyState(AMContainerState.RUNNING);
TezTaskAttemptID taID2 = new TezTaskAttemptID(wc.taskID, 2);
wc.assignTaskAttempt(taID2);
wc.verifyState(AMContainerState.STOP_REQUESTED);
verify(wc.tal).unregisterRunningContainer(wc.containerID);
verify(wc.chh).unregister(wc.containerID);
// 1 for NM stop request. 2 TERMINATING to TaskAttempt.
outgoingEvents = wc.verifyCountAndGetOutgoingEvents(3);
verifyUnOrderedOutgoingEventTypes(outgoingEvents,
NMCommunicatorEventType.CONTAINER_STOP_REQUEST,
TaskAttemptEventType.TA_CONTAINER_TERMINATING,
TaskAttemptEventType.TA_CONTAINER_TERMINATING);
assertTrue(wc.amContainer.isInErrorState());
wc.nmStopSent();
wc.containerCompleted();
// 1 Inform scheduler. 2 TERMINATED to TaskAttempt.
outgoingEvents = wc.verifyCountAndGetOutgoingEvents(3);
verifyUnOrderedOutgoingEventTypes(outgoingEvents,
TaskAttemptEventType.TA_CONTAINER_TERMINATED,
TaskAttemptEventType.TA_CONTAINER_TERMINATED,
AMSchedulerEventType.S_CONTAINER_COMPLETED);
assertNull(wc.amContainer.getRunningTaskAttempt());
assertEquals(0, wc.amContainer.getQueuedTaskAttempts().size());
assertEquals(2, wc.amContainer.getAllTaskAttempts().size());
}
@SuppressWarnings("rawtypes")
@Test
public void testMultipleAllocationsAtLaunching() {
WrappedContainer wc = new WrappedContainer();
List<Event> outgoingEvents;
wc.launchContainer();
wc.assignTaskAttempt(wc.taskAttemptID);
wc.pullTaskToRun();
wc.verifyState(AMContainerState.LAUNCHING);
TezTaskAttemptID taID2 = new TezTaskAttemptID(wc.taskID, 2);
wc.assignTaskAttempt(taID2);
wc.verifyState(AMContainerState.STOP_REQUESTED);
verify(wc.tal).unregisterRunningContainer(wc.containerID);
verify(wc.chh).unregister(wc.containerID);
// 1 for NM stop request. 2 TERMINATING to TaskAttempt.
outgoingEvents = wc.verifyCountAndGetOutgoingEvents(3);
verifyUnOrderedOutgoingEventTypes(outgoingEvents,
NMCommunicatorEventType.CONTAINER_STOP_REQUEST,
TaskAttemptEventType.TA_CONTAINER_TERMINATING,
TaskAttemptEventType.TA_CONTAINER_TERMINATING);
assertTrue(wc.amContainer.isInErrorState());
wc.nmStopSent();
wc.containerCompleted();
// 1 Inform scheduler. 2 TERMINATED to TaskAttempt.
outgoingEvents = wc.verifyCountAndGetOutgoingEvents(3);
verifyUnOrderedOutgoingEventTypes(outgoingEvents,
TaskAttemptEventType.TA_CONTAINER_TERMINATED,
TaskAttemptEventType.TA_CONTAINER_TERMINATED,
AMSchedulerEventType.S_CONTAINER_COMPLETED);
assertNull(wc.amContainer.getRunningTaskAttempt());
assertEquals(0, wc.amContainer.getQueuedTaskAttempts().size());
assertEquals(2, wc.amContainer.getAllTaskAttempts().size());
}
@SuppressWarnings("rawtypes")
@Test
public void testContainerTimedOutAtRunning() {
WrappedContainer wc = new WrappedContainer();
List<Event> outgoingEvents;
wc.launchContainer();
wc.containerLaunched();
wc.assignTaskAttempt(wc.taskAttemptID);
wc.pullTaskToRun();
wc.verifyState(AMContainerState.RUNNING);
wc.containerTimedOut();
wc.verifyState(AMContainerState.STOP_REQUESTED);
verify(wc.tal).unregisterRunningContainer(wc.containerID);
verify(wc.chh).unregister(wc.containerID);
// 1 to TA, 1 for RM de-allocate.
outgoingEvents = wc.verifyCountAndGetOutgoingEvents(2);
verifyUnOrderedOutgoingEventTypes(outgoingEvents,
TaskAttemptEventType.TA_CONTAINER_TERMINATING,
NMCommunicatorEventType.CONTAINER_STOP_REQUEST);
// TODO Should this be an RM DE-ALLOCATE instead ?
wc.containerCompleted();
outgoingEvents = wc.verifyCountAndGetOutgoingEvents(2);
verifyUnOrderedOutgoingEventTypes(outgoingEvents,
TaskAttemptEventType.TA_CONTAINER_TERMINATED,
AMSchedulerEventType.S_CONTAINER_COMPLETED);
assertFalse(wc.amContainer.isInErrorState());
assertNull(wc.amContainer.getRunningTaskAttempt());
assertEquals(0, wc.amContainer.getQueuedTaskAttempts().size());
assertEquals(1, wc.amContainer.getAllTaskAttempts().size());
}
@SuppressWarnings("rawtypes")
@Test
public void testLaunchFailure() {
WrappedContainer wc = new WrappedContainer();
List<Event> outgoingEvents;
wc.launchContainer();
wc.assignTaskAttempt(wc.taskAttemptID);
wc.verifyState(AMContainerState.LAUNCHING);
wc.launchFailed();
wc.verifyState(AMContainerState.STOPPING);
verify(wc.tal).registerRunningContainer(wc.containerID);
verify(wc.tal).unregisterRunningContainer(wc.containerID);
outgoingEvents = wc.verifyCountAndGetOutgoingEvents(2);
verifyUnOrderedOutgoingEventTypes(outgoingEvents,
TaskAttemptEventType.TA_CONTAINER_TERMINATING,
AMSchedulerEventType.S_CONTAINER_DEALLOCATE);
wc.containerCompleted();
outgoingEvents = wc.verifyCountAndGetOutgoingEvents(2);
verifyUnOrderedOutgoingEventTypes(outgoingEvents,
TaskAttemptEventType.TA_CONTAINER_TERMINATED,
AMSchedulerEventType.S_CONTAINER_COMPLETED);
// Valid transition. Container complete, but not with an error.
assertFalse(wc.amContainer.isInErrorState());
}
@SuppressWarnings("rawtypes")
@Test
public void testContainerCompletedAtAllocated() {
WrappedContainer wc = new WrappedContainer();
List<Event> outgoingEvents;
wc.verifyState(AMContainerState.ALLOCATED);
wc.containerCompleted();
wc.verifyState(AMContainerState.COMPLETED);
outgoingEvents = wc.verifyCountAndGetOutgoingEvents(1);
verifyUnOrderedOutgoingEventTypes(outgoingEvents,
AMSchedulerEventType.S_CONTAINER_COMPLETED);
assertFalse(wc.amContainer.isInErrorState());
}
@SuppressWarnings("rawtypes")
@Test
// Verify that incoming NM launched events to COMPLETED containers are
// handled.
public void testContainerCompletedAtLaunching() {
WrappedContainer wc = new WrappedContainer();
List<Event> outgoingEvents;
wc.launchContainer();
wc.assignTaskAttempt(wc.taskAttemptID);
wc.containerCompleted();
wc.verifyState(AMContainerState.COMPLETED);
verify(wc.tal).registerRunningContainer(wc.containerID);
verify(wc.tal).unregisterRunningContainer(wc.containerID);
outgoingEvents = wc.verifyCountAndGetOutgoingEvents(2);
verifyUnOrderedOutgoingEventTypes(outgoingEvents,
AMSchedulerEventType.S_CONTAINER_COMPLETED,
TaskAttemptEventType.TA_CONTAINER_TERMINATED);
assertFalse(wc.amContainer.isInErrorState());
// Container launched generated by NM call.
wc.containerLaunched();
wc.verifyNoOutgoingEvents();
assertFalse(wc.amContainer.isInErrorState());
}
@SuppressWarnings("rawtypes")
@Test
public void testContainerCompletedAtIdle() {
WrappedContainer wc = new WrappedContainer();
List<Event> outgoingEvents;
wc.launchContainer();
wc.assignTaskAttempt(wc.taskAttemptID);
wc.containerLaunched();
wc.verifyState(AMContainerState.IDLE);
wc.containerCompleted();
wc.verifyState(AMContainerState.COMPLETED);
verify(wc.tal).registerRunningContainer(wc.containerID);
verify(wc.tal).unregisterRunningContainer(wc.containerID);
verify(wc.chh).register(wc.containerID);
verify(wc.chh).unregister(wc.containerID);
outgoingEvents = wc.verifyCountAndGetOutgoingEvents(2);
verifyUnOrderedOutgoingEventTypes(outgoingEvents,
AMSchedulerEventType.S_CONTAINER_COMPLETED,
TaskAttemptEventType.TA_CONTAINER_TERMINATED);
assertFalse(wc.amContainer.isInErrorState());
// Pending pull request. (Ideally, container should be dead at this point
// and this event should not be generated. Network timeout on NM-RM heartbeat
// can cause it to be genreated)
wc.pullTaskToRun();
wc.verifyNoOutgoingEvents();
assertFalse(wc.amContainer.isInErrorState());
}
@SuppressWarnings("rawtypes")
@Test
public void testContainerCompletedAtRunning() {
WrappedContainer wc = new WrappedContainer();
List<Event> outgoingEvents;
wc.launchContainer();
wc.assignTaskAttempt(wc.taskAttemptID);
wc.containerLaunched();
wc.pullTaskToRun();
wc.verifyState(AMContainerState.RUNNING);
wc.containerCompleted();
wc.verifyState(AMContainerState.COMPLETED);
verify(wc.tal).registerRunningContainer(wc.containerID);
verify(wc.tal).unregisterRunningContainer(wc.containerID);
verify(wc.chh).register(wc.containerID);
verify(wc.chh).unregister(wc.containerID);
outgoingEvents = wc.verifyCountAndGetOutgoingEvents(2);
verifyUnOrderedOutgoingEventTypes(outgoingEvents,
AMSchedulerEventType.S_CONTAINER_COMPLETED,
TaskAttemptEventType.TA_CONTAINER_TERMINATED);
assertFalse(wc.amContainer.isInErrorState());
// Pending task complete. (Ideally, container should be dead at this point
// and this event should not be generated. Network timeout on NM-RM heartbeat
// can cause it to be genreated)
wc.taskAttemptSucceeded(wc.taskAttemptID);
wc.verifyNoOutgoingEvents();
assertFalse(wc.amContainer.isInErrorState());
}
@SuppressWarnings("rawtypes")
@Test
public void testTaskAssignedToCompletedContainer() {
WrappedContainer wc = new WrappedContainer();
List<Event> outgoingEvents;
wc.launchContainer();
wc.containerLaunched();
wc.assignTaskAttempt(wc.taskAttemptID);
wc.pullTaskToRun();
wc.taskAttemptSucceeded(wc.taskAttemptID);
wc.containerCompleted();
wc.verifyState(AMContainerState.COMPLETED);
TezTaskAttemptID taID2 = new TezTaskAttemptID(wc.taskID, 2);
wc.assignTaskAttempt(taID2);
outgoingEvents = wc.verifyCountAndGetOutgoingEvents(1);
verifyUnOrderedOutgoingEventTypes(outgoingEvents,
TaskAttemptEventType.TA_CONTAINER_TERMINATED);
TaskAttemptEventContainerTerminated ctEvent =
(TaskAttemptEventContainerTerminated) outgoingEvents.get(0);
assertEquals(taID2, ctEvent.getTaskAttemptID());
// Allocation to a completed Container is considered an error.
// TODO Is this valid ?
assertTrue(wc.amContainer.isInErrorState());
}
@Test
public void testTaskPullAtLaunching() {
WrappedContainer wc = new WrappedContainer();
wc.launchContainer();
AMContainerTask pulledTask = wc.pullTaskToRun();
wc.verifyState(AMContainerState.LAUNCHING);
wc.verifyNoOutgoingEvents();
assertFalse(pulledTask.shouldDie());
assertNull(pulledTask.getTask());
}
@SuppressWarnings("rawtypes")
@Test
public void testNodeFailedAtIdle() {
WrappedContainer wc = new WrappedContainer();
List<Event> outgoingEvents;
wc.launchContainer();
wc.containerLaunched();
wc.assignTaskAttempt(wc.taskAttemptID);
wc.verifyState(AMContainerState.IDLE);
wc.nodeFailed();
// Expecting a complete event from the RM
wc.verifyState(AMContainerState.STOPPING);
outgoingEvents = wc.verifyCountAndGetOutgoingEvents(3);
verifyUnOrderedOutgoingEventTypes(outgoingEvents,
TaskAttemptEventType.TA_NODE_FAILED,
TaskAttemptEventType.TA_CONTAINER_TERMINATING,
AMSchedulerEventType.S_CONTAINER_DEALLOCATE);
for (Event event : outgoingEvents) {
if (event.getType() == TaskAttemptEventType.TA_NODE_FAILED) {
TaskAttemptEventNodeFailed nfEvent = (TaskAttemptEventNodeFailed) event;
assertEquals("nodeFailed", nfEvent.getDiagnosticInfo());
}
}
wc.containerCompleted();
outgoingEvents = wc.verifyCountAndGetOutgoingEvents(2);
verifyUnOrderedOutgoingEventTypes(outgoingEvents,
TaskAttemptEventType.TA_CONTAINER_TERMINATED,
AMSchedulerEventType.S_CONTAINER_COMPLETED);
assertFalse(wc.amContainer.isInErrorState());
}
@SuppressWarnings("rawtypes")
@Test
public void testNodeFailedAtIdleMultipleAttempts() {
WrappedContainer wc = new WrappedContainer();
List<Event> outgoingEvents;
wc.launchContainer();
wc.containerLaunched();
wc.assignTaskAttempt(wc.taskAttemptID);
wc.pullTaskToRun();
wc.taskAttemptSucceeded(wc.taskAttemptID);
wc.verifyState(AMContainerState.IDLE);
TezTaskAttemptID taID2 = new TezTaskAttemptID(wc.taskID, 2);
wc.assignTaskAttempt(taID2);
wc.pullTaskToRun();
wc.taskAttemptSucceeded(taID2);
wc.verifyState(AMContainerState.IDLE);
wc.nodeFailed();
// Expecting a complete event from the RM
wc.verifyState(AMContainerState.STOPPING);
outgoingEvents = wc.verifyCountAndGetOutgoingEvents(3);
verifyUnOrderedOutgoingEventTypes(outgoingEvents,
TaskAttemptEventType.TA_NODE_FAILED,
TaskAttemptEventType.TA_NODE_FAILED,
AMSchedulerEventType.S_CONTAINER_DEALLOCATE);
for (Event event : outgoingEvents) {
if (event.getType() == TaskAttemptEventType.TA_NODE_FAILED) {
TaskAttemptEventNodeFailed nfEvent = (TaskAttemptEventNodeFailed) event;
assertEquals("nodeFailed", nfEvent.getDiagnosticInfo());
}
}
assertFalse(wc.amContainer.isInErrorState());
wc.containerCompleted();
outgoingEvents = wc.verifyCountAndGetOutgoingEvents(1);
verifyUnOrderedOutgoingEventTypes(outgoingEvents,
AMSchedulerEventType.S_CONTAINER_COMPLETED);
assertNull(wc.amContainer.getRunningTaskAttempt());
assertEquals(0, wc.amContainer.getQueuedTaskAttempts().size());
assertEquals(2, wc.amContainer.getAllTaskAttempts().size());
}
@SuppressWarnings("rawtypes")
@Test
public void testNodeFailedAtRunningMultipleAttempts() {
WrappedContainer wc = new WrappedContainer();
List<Event> outgoingEvents;
wc.launchContainer();
wc.containerLaunched();
wc.assignTaskAttempt(wc.taskAttemptID);
wc.pullTaskToRun();
wc.taskAttemptSucceeded(wc.taskAttemptID);
TezTaskAttemptID taID2 = new TezTaskAttemptID(wc.taskID, 2);
wc.assignTaskAttempt(taID2);
wc.pullTaskToRun();
wc.verifyState(AMContainerState.RUNNING);
wc.nodeFailed();
// Expecting a complete event from the RM
wc.verifyState(AMContainerState.STOPPING);
outgoingEvents = wc.verifyCountAndGetOutgoingEvents(4);
verifyUnOrderedOutgoingEventTypes(outgoingEvents,
TaskAttemptEventType.TA_NODE_FAILED,
TaskAttemptEventType.TA_NODE_FAILED,
TaskAttemptEventType.TA_CONTAINER_TERMINATING,
AMSchedulerEventType.S_CONTAINER_DEALLOCATE);
for (Event event : outgoingEvents) {
if (event.getType() == TaskAttemptEventType.TA_NODE_FAILED) {
TaskAttemptEventNodeFailed nfEvent = (TaskAttemptEventNodeFailed) event;
assertEquals("nodeFailed", nfEvent.getDiagnosticInfo());
}
}
wc.containerCompleted();
outgoingEvents = wc.verifyCountAndGetOutgoingEvents(2);
verifyUnOrderedOutgoingEventTypes(outgoingEvents,
TaskAttemptEventType.TA_CONTAINER_TERMINATED,
AMSchedulerEventType.S_CONTAINER_COMPLETED);
assertFalse(wc.amContainer.isInErrorState());
assertNull(wc.amContainer.getRunningTaskAttempt());
assertEquals(0, wc.amContainer.getQueuedTaskAttempts().size());
assertEquals(2, wc.amContainer.getAllTaskAttempts().size());
}
@SuppressWarnings("rawtypes")
@Test
public void testNodeFailedAtCompletedMultipleSuccessfulTAs() {
WrappedContainer wc = new WrappedContainer();
List<Event> outgoingEvents;
wc.launchContainer();
wc.containerLaunched();
wc.assignTaskAttempt(wc.taskAttemptID);
wc.pullTaskToRun();
wc.taskAttemptSucceeded(wc.taskAttemptID);
TezTaskAttemptID taID2 = new TezTaskAttemptID(wc.taskID, 2);
wc.assignTaskAttempt(taID2);
wc.pullTaskToRun();
wc.taskAttemptSucceeded(taID2);
wc.stopRequest();
wc.nmStopSent();
wc.containerCompleted();
wc.verifyState(AMContainerState.COMPLETED);
wc.nodeFailed();
outgoingEvents = wc.verifyCountAndGetOutgoingEvents(2);
verifyUnOrderedOutgoingEventTypes(outgoingEvents,
TaskAttemptEventType.TA_NODE_FAILED,
TaskAttemptEventType.TA_NODE_FAILED);
assertNull(wc.amContainer.getRunningTaskAttempt());
assertEquals(0, wc.amContainer.getQueuedTaskAttempts().size());
assertEquals(2, wc.amContainer.getAllTaskAttempts().size());
}
@SuppressWarnings("rawtypes")
@Test
public void testDuplicateCompletedEvents() {
WrappedContainer wc = new WrappedContainer();
List<Event> outgoingEvents;
wc.launchContainer();
wc.containerLaunched();
wc.assignTaskAttempt(wc.taskAttemptID);
wc.pullTaskToRun();
wc.taskAttemptSucceeded(wc.taskAttemptID);
TezTaskAttemptID taID2 = new TezTaskAttemptID(wc.taskID, 2);
wc.assignTaskAttempt(taID2);
wc.pullTaskToRun();
wc.taskAttemptSucceeded(taID2);
wc.stopRequest();
wc.nmStopSent();
wc.containerCompleted();
wc.verifyState(AMContainerState.COMPLETED);
outgoingEvents = wc.verifyCountAndGetOutgoingEvents(1);
verifyUnOrderedOutgoingEventTypes(outgoingEvents,
AMSchedulerEventType.S_CONTAINER_COMPLETED);
wc.containerCompleted();
wc.verifyNoOutgoingEvents();
}
// TODO Verify diagnostics in most of the tests.
private static class WrappedContainer {
long rmIdentifier = 2000;
ApplicationId applicationID;
ApplicationAttemptId appAttemptID;
ContainerId containerID;
NodeId nodeID;
String nodeHttpAddress;
Resource resource;
Priority priority;
Container container;
ContainerHeartbeatHandler chh;
TaskAttemptListener tal;
@SuppressWarnings("rawtypes")
EventHandler eventHandler;
AppContext appContext;
TezDAGID dagID;
TezVertexID vertexID;
TezTaskID taskID;
TezTaskAttemptID taskAttemptID;
TaskSpec taskSpec;
public AMContainerImpl amContainer;
public WrappedContainer() {
applicationID = ApplicationId.newInstance(rmIdentifier, 1);
appAttemptID = ApplicationAttemptId.newInstance(applicationID, 1);
containerID = ContainerId.newInstance(appAttemptID, 1);
nodeID = NodeId.newInstance("host", 12500);
nodeHttpAddress = "host:12501";
resource = Resource.newInstance(1024, 1);
priority = Priority.newInstance(1);
container = Container.newInstance(containerID, nodeID,
nodeHttpAddress, resource, priority, null);
chh = mock(ContainerHeartbeatHandler.class);
InetSocketAddress addr = new InetSocketAddress("localhost", 0);
tal = mock(TaskAttemptListener.class);
doReturn(addr).when(tal).getAddress();
eventHandler = mock(EventHandler.class);
appContext = mock(AppContext.class);
doReturn(new HashMap<ApplicationAccessType, String>()).when(appContext)
.getApplicationACLs();
doReturn(eventHandler).when(appContext).getEventHandler();
when(appContext.getApplicationAttemptId()).thenReturn(appAttemptID);
when(appContext.getApplicationID()).thenReturn(applicationID);
dagID = new TezDAGID(applicationID, 1);
vertexID = new TezVertexID(dagID, 1);
taskID = new TezTaskID(vertexID, 1);
taskAttemptID = new TezTaskAttemptID(taskID, 1);
taskSpec = mock(TaskSpec.class);
doReturn(taskAttemptID).when(taskSpec).getTaskAttemptID();
amContainer = new AMContainerImpl(container, chh, tal,
appContext);
}
/**
* Verifies no additional outgoing events generated by the last incoming
* event to the AMContainer.
*/
@SuppressWarnings("unchecked")
public void verifyNoOutgoingEvents() {
verify(eventHandler, never()).handle(any(Event.class));
}
/**
* Returns a list of outgoing events generated by the last incoming event to
* the AMContainer.
* @param invocations number of expected invocations.
*
* @return a list of outgoing events from the AMContainer.
*/
@SuppressWarnings({ "rawtypes", "unchecked" })
public List<Event> verifyCountAndGetOutgoingEvents(int invocations) {
ArgumentCaptor<Event> args = ArgumentCaptor.forClass(Event.class);
verify(eventHandler, times(invocations)).handle(args.capture());
return args.getAllValues();
}
public void launchContainer() {
reset(eventHandler);
Credentials credentials = new Credentials();
@SuppressWarnings("unchecked")
Token<JobTokenIdentifier> jobToken = mock(Token.class);
TokenCache.setJobToken(jobToken, credentials);
amContainer.handle(new AMContainerEventLaunchRequest(containerID,
vertexID, false, new ContainerContext(
new HashMap<String, LocalResource>(), credentials,
new HashMap<String, String>(), "")));
}
public void assignTaskAttempt(TezTaskAttemptID taID) {
reset(eventHandler);
amContainer.handle(new AMContainerEventAssignTA(containerID, taID,
taskSpec));
}
public AMContainerTask pullTaskToRun() {
reset(eventHandler);
return amContainer.pullTaskContext();
}
public void containerLaunched() {
reset(eventHandler);
amContainer.handle(new AMContainerEventLaunched(containerID));
}
public void taskAttemptSucceeded(TezTaskAttemptID taID) {
reset(eventHandler);
amContainer.handle(new AMContainerEventTASucceeded(containerID, taID));
}
public void stopRequest() {
reset(eventHandler);
amContainer.handle(new AMContainerEventStopRequest(containerID));
}
public void nmStopSent() {
reset(eventHandler);
amContainer.handle(new AMContainerEvent(containerID,
AMContainerEventType.C_NM_STOP_SENT));
}
public void nmStopFailed() {
reset(eventHandler);
amContainer.handle(new AMContainerEvent(containerID,
AMContainerEventType.C_NM_STOP_FAILED));
}
public void containerCompleted() {
reset(eventHandler);
ContainerStatus cStatus = ContainerStatus.newInstance(containerID,
ContainerState.COMPLETE, "", 100);
amContainer.handle(new AMContainerEventCompleted(cStatus));
}
public void containerTimedOut() {
reset(eventHandler);
amContainer.handle(new AMContainerEvent(containerID,
AMContainerEventType.C_TIMED_OUT));
}
public void launchFailed() {
reset(eventHandler);
amContainer.handle(new AMContainerEventLaunchFailed(containerID,
"launchFailed"));
}
public void nodeFailed() {
reset(eventHandler);
amContainer.handle(new AMContainerEventNodeFailed(containerID,
"nodeFailed"));
}
public void verifyState(AMContainerState state) {
assertEquals(
"Expected state: " + state + ", but found: " + amContainer.getState(),
state, amContainer.getState());
}
}
@SuppressWarnings("rawtypes")
private void verifyUnOrderedOutgoingEventTypes(List<Event> events,
Enum<?>... expectedTypes) {
List<Enum<?>> expectedTypeList = new LinkedList<Enum<?>>();
for (Enum<?> expectedType : expectedTypes) {
expectedTypeList.add(expectedType);
}
List<Event> eventsCopy = new LinkedList<Event>(events);
Iterator<Enum<?>> expectedTypeIterator = expectedTypeList.iterator();
while (expectedTypeIterator.hasNext()) {
Enum<?> expectedType = expectedTypeIterator.next();
Iterator<Event> iter = eventsCopy.iterator();
while (iter.hasNext()) {
Event e = iter.next();
if (e.getType() == expectedType) {
iter.remove();
expectedTypeIterator.remove();
break;
}
}
}
assertTrue("Did not find types : " + expectedTypeList
+ " in outgoing event list", expectedTypeList.isEmpty());
assertTrue("Found unexpected events: " + eventsCopy
+ " in outgoing event list", eventsCopy.isEmpty());
}
}