Package com.spotify.helios.common.descriptors

Examples of com.spotify.helios.common.descriptors.HostStatus

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                            ImmutableList.of("/bin/true"));

    deployJob(jobId, testHost());
    awaitJobThrottle(client, testHost(), jobId, IMAGE_MISSING, LONG_WAIT_SECONDS, SECONDS);

    final HostStatus hostStatus = client.hostStatus(testHost()).get();
    final TaskStatus taskStatus = hostStatus.getStatuses().get(jobId);
    assertEquals(TaskStatus.State.FAILED, taskStatus.getState());
  }
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  @Timed
  @ExceptionMetered
  public Map<String, HostStatus> hostStatuses(final List<String> hosts) {
    final Map<String, HostStatus> statuses = Maps.newHashMap();
    for (final String current : hosts) {
      final HostStatus status = model.getHostStatus(current);
      if (status != null) {
        statuses.put(current, status);
      }
    }
    return statuses;
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      // Remove host config root
      operations.add(delete(Paths.configHost(host)));

      client.transaction(operations);
    } catch (NotEmptyException e) {
      final HostStatus hostStatus = getHostStatus(host);
      final List<JobId> jobs = hostStatus != null
                               ? ImmutableList.copyOf(hostStatus.getJobs().keySet())
                               : Collections.<JobId>emptyList();
      throw new HostStillInUseException(host, jobs);
    } catch (NoNodeException e) {
      throw new HostNotFoundException(host);
    } catch (KeeperException e) {
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      for (final String host : hosts) {
        // HELIOS_HOST_ADDRESS is the IP address we should use to reach the host, instead of
        // the hostname. This is used when running a helios cluster inside a VM, and the containers
        // can be reached by IP address only, since DNS won't be able to resolve the host name of
        // the helios agent running in the VM.
        final HostStatus hostStatus = client.hostStatus(host).get();
        final String hostAddress = hostStatus.getEnvironment().get("HELIOS_HOST_ADDRESS");
        if (hostAddress != null) {
          hostToIp.put(host, hostAddress);
        }

        log.info("Deploying {} to {}", getJobDescription(job), host);
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      dockerClient.killContainer(firstTaskStatus1.getContainerId());
      final TaskStatus restartedTaskStatus1 = 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(jobId1);
          return (taskStatus != null && taskStatus.getState() == RUNNING &&
                  !Objects.equals(taskStatus.getContainerId(), firstTaskStatus1.getContainerId()))
                 ? taskStatus : null;
        }
      });
      assertEquals(expectedMapping1, restartedTaskStatus1.getPorts());

      // Verify that port allocation is kept across agent restarts
      agent1.stopAsync().awaitTerminated();
      dockerClient.killContainer(firstTaskStatus2.getContainerId());
      startDefaultAgent(testHost());
      final TaskStatus restartedTaskStatus2 = 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(jobId2);
          return (taskStatus != null && taskStatus.getState() == RUNNING &&
                  !Objects.equals(taskStatus.getContainerId(), firstTaskStatus2.getContainerId()))
                 ? taskStatus : null;
        }
      });
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                  "CPUS", "MEM", "LOAD AVG", "MEM USAGE", "OS", "HELIOS", "DOCKER");

        for (final Map.Entry<String, ListenableFuture<HostStatus>> e : statuses.entrySet()) {

          final String host = e.getKey();
          final HostStatus s = e.getValue().get();

          if (s == null) {
            continue;
          }

          final Set<TaskStatus> runningDeployedJobs = Sets.newHashSet();
          for (final JobId jobId : s.getJobs().keySet()) {
            final TaskStatus taskStatus = s.getStatuses().get(jobId);
            if (taskStatus == null) {
              continue;
            }
            if (taskStatus.getState() == TaskStatus.State.RUNNING) {
              runningDeployedJobs.add(taskStatus);
            }
          }

          final HostInfo hi = s.getHostInfo();
          final String memUsage;
          final String cpus;
          final String mem;
          final String loadAvg;
          final String os;
          final String docker;
          if (hi != null) {
            final long free = hi.getMemoryFreeBytes();
            final long total = hi.getMemoryTotalBytes();
            memUsage = format("%.2f", (float) (total - free) / total);
            cpus = String.valueOf(hi.getCpus());
            mem = hi.getMemoryTotalBytes() / (1024 * 1024 * 1024) + " gb";
            loadAvg = format("%.2f", hi.getLoadAvg());
            os = hi.getOsName() + " " + hi.getOsVersion();
            final DockerVersion dv = hi.getDockerVersion();
            docker = (dv != null) ? format("%s (%s)", dv.getVersion(), dv.getApiVersion()) : "";
          } else {
            memUsage = cpus = mem = loadAvg = os = docker = "";
          }

          final String version;
          if (s.getAgentInfo() != null) {
            version = Optional.fromNullable(s.getAgentInfo().getVersion()).or("");
          } else {
            version = "";
          }

          String status = s.getStatus() == UP ? "Up" : "Down";
          if (s.getAgentInfo() != null) {
            final long startTime = s.getAgentInfo().getStartTime();
            final long upTime = s.getAgentInfo().getUptime();
            if (s.getStatus() == UP) {
              status += " " + humanDuration(currentTimeMillis() - startTime);
            } else {
              status += " " + humanDuration(currentTimeMillis() - startTime - upTime);
            }
          }

          table.row(formatHostname(full, host), status, s.getJobs().size(),
                    runningDeployedJobs.size(), cpus, mem, loadAvg, memUsage, os, version, docker);
        }

        table.print();
      }
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    final HeliosClient client = defaultClient();
    final DockerVersion dockerVersion = Polling.await(
        LONG_WAIT_SECONDS, SECONDS, new Callable<DockerVersion>() {
          @Override
          public DockerVersion call() throws Exception {
            final HostStatus status = client.hostStatus(testHost()).get();
            return status == null
                   ? null
                   : status.getHostInfo() == null
                     ? null
                     : status.getHostInfo().getDockerVersion();
          }
        });

    try (final DockerClient dockerClient = getNewDockerClient()) {
      final String expectedDockerVersion = dockerClient.version().version();
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    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;
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    assertEquals(JobDeleteResponse.Status.STILL_IN_USE, client.deleteJob(jobId).get().getStatus());

    // Wait for a while and make sure that the container is still running
    Thread.sleep(5000);
    final HostStatus hostStatus = client.hostStatus(testHost()).get();
    taskStatus = hostStatus.getStatuses().get(jobId);
    assertEquals(RUNNING, taskStatus.getState());

    // Undeploy the job
    final JobUndeployResponse undeployed = client.undeploy(jobId, testHost()).get();
    assertEquals(JobUndeployResponse.Status.OK, undeployed.getStatus());
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        try {
          statuses = Json.read(output, new TypeReference<Map<String, HostStatus>>() {});
        } catch (IOException e) {
          return null;
        }
        final HostStatus hostStatus = statuses.get(name);
        if (hostStatus == null) {
          return null;
        }
        return (hostStatus.getStatus() == status) ? hostStatus : null;
      }
    });
  }
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Related Classes of com.spotify.helios.common.descriptors.HostStatus

  • com.spotify.helios.cli.command.HostListCommand
  • com.spotify.helios.master.resources.HostsResource
  • com.spotify.helios.master.ZooKeeperMasterModel
  • com.spotify.helios.system.AgentReportingTest
  • com.spotify.helios.system.AgentRestartTest
  • com.spotify.helios.system.DeploymentTest
  • com.spotify.helios.system.ImageMissingTest
  • com.spotify.helios.system.MultiplePortJobTest
  • com.spotify.helios.system.SystemTestBase
  • com.spotify.helios.testing.TemporaryJob
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