public void test() throws Exception {
startDefaultMaster();
final DockerClient dockerClient = getNewDockerClient();
final HeliosClient client = defaultClient();
final AgentMain agent1 = startDefaultAgent(testHost());
// Create a job
final Job job = Job.newBuilder()
.setName(testJobName)
.setVersion(testJobVersion)
.setImage(BUSYBOX)
.setCommand(IDLE_COMMAND)
.setCreatingUser(TEST_USER)
.build();
final JobId jobId = job.getId();
final CreateJobResponse created = client.createJob(job).get();
assertEquals(CreateJobResponse.Status.OK, created.getStatus());
// Wait for agent to come up
awaitHostRegistered(client, testHost(), LONG_WAIT_SECONDS, SECONDS);
awaitHostStatus(client, testHost(), UP, LONG_WAIT_SECONDS, SECONDS);
// Deploy the job on the agent
final Deployment deployment = Deployment.of(jobId, START);
final JobDeployResponse deployed = client.deploy(deployment, testHost()).get();
assertEquals(JobDeployResponse.Status.OK, deployed.getStatus());
// Wait for the job to run
final TaskStatus firstTaskStatus = awaitJobState(client, testHost(), jobId, RUNNING,
LONG_WAIT_SECONDS, SECONDS);
assertEquals(job, firstTaskStatus.getJob());
assertEquals(1, listContainers(dockerClient, testTag).size());
assertTrue(dockerClient.inspectContainer(firstTaskStatus.getContainerId()).state().running());
// Stop the agent
agent1.stopAsync().awaitTerminated();
awaitHostStatus(client, testHost(), DOWN, LONG_WAIT_SECONDS, SECONDS);
// Start the agent again
final AgentMain agent2 = startDefaultAgent(testHost());
awaitHostStatus(client, testHost(), UP, LONG_WAIT_SECONDS, SECONDS);
// Wait for a while and make sure that the same container is still running
Thread.sleep(5000);
final HostStatus hostStatus = client.hostStatus(testHost()).get();
final TaskStatus taskStatus = hostStatus.getStatuses().get(jobId);
if (firstTaskStatus.getState() == PULLING_IMAGE) {
final State state = taskStatus.getState();
assertTrue(state == RUNNING || state == PULLING_IMAGE);
} else {
assertEquals(RUNNING, taskStatus.getState());
}
assertEquals(firstTaskStatus.getContainerId(), taskStatus.getContainerId());
assertEquals(1, listContainers(dockerClient, testTag).size());
assertTrue(dockerClient.inspectContainer(firstTaskStatus.getContainerId()).state().running());
// Stop the agent
agent2.stopAsync().awaitTerminated();
awaitHostStatus(client, testHost(), DOWN, LONG_WAIT_SECONDS, SECONDS);
// Kill the container
dockerClient.killContainer(firstTaskStatus.getContainerId());
assertEquals(0, listContainers(dockerClient, testTag).size());
// Start the agent again
final AgentMain agent3 = startDefaultAgent(testHost());
awaitHostStatus(client, testHost(), UP, LONG_WAIT_SECONDS, SECONDS);
// Wait for the job to be restarted in a new container
final TaskStatus secondTaskStatus = Polling.await(
LONG_WAIT_SECONDS, SECONDS,
new Callable<TaskStatus>() {
@Override
public TaskStatus call() throws Exception {
final HostStatus hostStatus = client.hostStatus(testHost()).get();
final TaskStatus taskStatus = hostStatus.getStatuses().get(jobId);
return (taskStatus != null && taskStatus.getContainerId() != null &&
taskStatus.getState() == RUNNING &&
!taskStatus.getContainerId().equals(firstTaskStatus.getContainerId()))
? taskStatus
: null;
}
});
assertEquals(1, listContainers(dockerClient, testTag).size());
assertTrue(dockerClient.inspectContainer(secondTaskStatus.getContainerId()).state().running());
// Stop the agent
agent3.stopAsync().awaitTerminated();
awaitHostStatus(client, testHost(), DOWN, LONG_WAIT_SECONDS, SECONDS);
// Kill and destroy the container
dockerClient.killContainer(secondTaskStatus.getContainerId());
removeContainer(dockerClient, secondTaskStatus.getContainerId());
// Start the agent again
final AgentMain agent4 = startDefaultAgent(testHost());
awaitHostStatus(client, testHost(), UP, LONG_WAIT_SECONDS, SECONDS);
// Wait for the task to be restarted in a new container
final TaskStatus thirdTaskStatus = Polling.await(
LONG_WAIT_SECONDS, SECONDS, new Callable<TaskStatus>() {
@Override
public TaskStatus call() throws Exception {
final HostStatus hostStatus = client.hostStatus(testHost()).get();
final TaskStatus taskStatus = hostStatus.getStatuses().get(jobId);
return (taskStatus != null && taskStatus.getContainerId() != null &&
taskStatus.getState() == RUNNING &&
!taskStatus.getContainerId().equals(secondTaskStatus.getContainerId()))
? taskStatus
: null;
}
});
assertEquals(1, listContainers(dockerClient, testTag).size());
assertTrue(dockerClient.inspectContainer(thirdTaskStatus.getContainerId()).state().running());
// Stop the agent
agent4.stopAsync().awaitTerminated();
awaitHostStatus(client, testHost(), DOWN, LONG_WAIT_SECONDS, SECONDS);
// Stop the job
final SetGoalResponse stopped = client.setGoal(Deployment.of(jobId, STOP), testHost()).get();
assertEquals(SetGoalResponse.Status.OK, stopped.getStatus());
// Start the agent again
final AgentMain agent5 = startDefaultAgent(testHost());
awaitHostStatus(client, testHost(), UP, LONG_WAIT_SECONDS, SECONDS);
// Verify that the task is stopped
awaitJobState(client, testHost(), jobId, STOPPED, LONG_WAIT_SECONDS, SECONDS);
assertEquals(0, listContainers(dockerClient, testTag).size());
// Stop the agent
agent5.stopAsync().awaitTerminated();
awaitHostStatus(client, testHost(), DOWN, LONG_WAIT_SECONDS, SECONDS);
// Start the job
final SetGoalResponse started = client.setGoal(Deployment.of(jobId, START),
testHost()).get();
assertEquals(SetGoalResponse.Status.OK, started.getStatus());
// Start the agent again
final AgentMain agent6 = startDefaultAgent(testHost());
awaitHostStatus(client, testHost(), UP, LONG_WAIT_SECONDS, SECONDS);
// Verify that the task is started
awaitJobState(client, testHost(), jobId, RUNNING, LONG_WAIT_SECONDS, SECONDS);
assertEquals(1, listContainers(dockerClient, testTag).size());
// Stop the agent
agent6.stopAsync().awaitTerminated();
awaitHostStatus(client, testHost(), DOWN, LONG_WAIT_SECONDS, SECONDS);
// Undeploy the job
final JobUndeployResponse undeployed = client.undeploy(jobId, testHost()).get();
assertEquals(JobUndeployResponse.Status.OK, undeployed.getStatus());
// Start the agent again
startDefaultAgent(testHost());
awaitHostStatus(client, testHost(), UP, LONG_WAIT_SECONDS, SECONDS);