Package com.spotify.docker.client

Examples of com.spotify.docker.client.DockerClient

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                                                   config.getDomain());

    final ZooKeeperNodeUpdaterFactory nodeUpdaterFactory =
        new ZooKeeperNodeUpdaterFactory(zooKeeperClient);

    final DockerClient dockerClient;
    if (isNullOrEmpty(config.getDockerHost().dockerCertPath())) {
      dockerClient = new PollingDockerClient(config.getDockerHost().uri());
    } else {
      final Path dockerCertPath = java.nio.file.Paths.get(config.getDockerHost().dockerCertPath());
      final DockerCertificates dockerCertificates;
      try {
        dockerCertificates = new DockerCertificates(dockerCertPath);
      } catch (DockerCertificateException e) {
        throw Throwables.propagate(e);
      }

      dockerClient = new PollingDockerClient(config.getDockerHost().uri(), dockerCertificates);
    }

    final DockerClient monitoredDockerClient = MonitoredDockerClient.wrap(riemannFacade,
                                                                          dockerClient);

    this.hostInfoReporter = HostInfoReporter.newBuilder()
        .setNodeUpdaterFactory(nodeUpdaterFactory)
        .setOperatingSystemMXBean((OperatingSystemMXBean) getOperatingSystemMXBean())
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  @Before
  public void setup() throws Exception {
    // LXC has a bug where the TERM signal isn't sent to containers, so we can only run this test
    // if docker runs with the native driver.
    // See: https://github.com/docker/docker/issues/2436
    final DockerClient dockerClient = getNewDockerClient();
    assumeThat(dockerClient.info().executionDriver(), startsWith("native"));
  }
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  @Test
  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);
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  @Test
  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());
    assertNotNull(dockerClient.inspectContainer(firstTaskStatus.getContainerId()));

    // Stop zookeeper
    zk().stop();

    // Wait for a while and make sure that the container is still running
    Thread.sleep(5000);
    assertTrue(
        dockerClient.inspectContainer(firstTaskStatus.getContainerId()).state().running());

    // Stop the agent
    agent1.stopAsync().awaitTerminated();

    // Start the agent again
    final AgentMain agent2 = startDefaultAgent(testHost());

    // Wait for a while and make sure that the same container is still running
    Thread.sleep(5000);
    assertTrue(
        dockerClient.inspectContainer(firstTaskStatus.getContainerId()).state().running());

    // Kill the container
    dockerClient.killContainer(firstTaskStatus.getContainerId());
    assertFalse(
        dockerClient.inspectContainer(firstTaskStatus.getContainerId()).state().running());

    // Wait for a while and make sure that a new container was spawned
    final String firstRestartedContainerId =
        Polling.await(LONG_WAIT_SECONDS, SECONDS, new Callable<String>() {
          @Override
          public String call() throws Exception {
            final List<Container> containers = listContainers(dockerClient, testTag);
            return containers.size() == 1 ? containers.get(0).id() : null;
          }
        });

    // Stop the agent
    agent2.stopAsync().awaitTerminated();

    // Kill the container
    dockerClient.killContainer(firstRestartedContainerId);
    assertFalse(dockerClient.inspectContainer(firstRestartedContainerId).state().running());

    // Start the agent again
    startDefaultAgent(testHost());

    // Wait for a while and make sure that a new container was spawned
    final String secondRestartedContainerId =
        Polling.await(LONG_WAIT_SECONDS, SECONDS, new Callable<String>() {
          @Override
          public String call() throws Exception {
            final List<Container> containers = listContainers(dockerClient, testTag);
            return containers.size() == 1 ? containers.get(0).id() : null;
          }
        });
    assertTrue(dockerClient.inspectContainer(secondRestartedContainerId).state().running());

    // Start zookeeper
    zk().start();

    // Verify that the agent is listed as up
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Related Classes of com.spotify.docker.client.DockerClient

  • com.spotify.helios.agent.AgentService
  • com.spotify.helios.system.AgentRestartTest
  • com.spotify.helios.system.AgentZooKeeperDownTolerationTest
  • com.spotify.helios.system.TerminationTest
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