Beispiel #1
0
  /**
   * Construct the Mesos TaskInfo in Protos to launch basing on the LaunchableTask
   *
   * @param heronConfig the heron config
   * @param heronRuntime the heron runtime
   * @return Mesos TaskInfo in Protos to launch
   */
  public Protos.TaskInfo constructMesosTaskInfo(Config heronConfig, Config heronRuntime) {
    // String taskIdStr, BaseContainer task, Offer offer
    String taskIdStr = this.taskId;

    Protos.TaskID mesosTaskID = Protos.TaskID.newBuilder().setValue(taskIdStr).build();
    Protos.TaskInfo.Builder taskInfo =
        Protos.TaskInfo.newBuilder().setName(baseContainer.name).setTaskId(mesosTaskID);
    Protos.Environment.Builder environment = Protos.Environment.newBuilder();

    // If the job defines custom environment variables, add them to the builder
    // Don't add them if they already exist to prevent overwriting the defaults
    Set<String> builtinEnvNames = new HashSet<>();
    for (Protos.Environment.Variable variable : environment.getVariablesList()) {
      builtinEnvNames.add(variable.getName());
    }

    for (BaseContainer.EnvironmentVariable ev : baseContainer.environmentVariables) {
      environment.addVariables(
          Protos.Environment.Variable.newBuilder().setName(ev.name).setValue(ev.value));
    }

    taskInfo
        .addResources(scalarResource(TaskResources.CPUS_RESOURCE_NAME, baseContainer.cpu))
        .addResources(scalarResource(TaskResources.MEM_RESOURCE_NAME, baseContainer.memInMB))
        .addResources(scalarResource(TaskResources.DISK_RESOURCE_NAME, baseContainer.diskInMB))
        .addResources(
            rangeResource(
                TaskResources.PORT_RESOURCE_NAME,
                this.freePorts.get(0),
                this.freePorts.get(this.freePorts.size() - 1)))
        .setSlaveId(this.offer.getSlaveId());

    int containerIndex = TaskUtils.getContainerIndexForTaskId(taskIdStr);
    String commandStr = executorCommand(heronConfig, heronRuntime, containerIndex);

    Protos.CommandInfo.Builder command = Protos.CommandInfo.newBuilder();

    List<Protos.CommandInfo.URI> uriProtos = new ArrayList<>();
    for (String uri : baseContainer.dependencies) {
      uriProtos.add(Protos.CommandInfo.URI.newBuilder().setValue(uri).setExtract(true).build());
    }

    command
        .setValue(commandStr)
        .setShell(baseContainer.shell)
        .setEnvironment(environment)
        .addAllUris(uriProtos);

    if (!baseContainer.runAsUser.isEmpty()) {
      command.setUser(baseContainer.runAsUser);
    }
    taskInfo.setCommand(command);

    return taskInfo.build();
  }
  @Override
  public void resourceOffers(SchedulerDriver driver, List<Protos.Offer> offers) {
    long masterCpu = Configuration.getInt(PropertyKey.INTEGRATION_MASTER_RESOURCE_CPU);
    long masterMem =
        Configuration.getBytes(PropertyKey.INTEGRATION_MASTER_RESOURCE_MEM) / Constants.MB;
    long workerCpu = Configuration.getInt(PropertyKey.INTEGRATION_WORKER_RESOURCE_CPU);
    long workerMem =
        Configuration.getBytes(PropertyKey.INTEGRATION_WORKER_RESOURCE_MEM) / Constants.MB;

    LOG.info(
        "Master launched {}, master count {}, "
            + "requested master cpu {} mem {} MB and required master hostname {}",
        mMasterLaunched,
        mMasterCount,
        masterCpu,
        masterMem,
        mRequiredMasterHostname);

    for (Protos.Offer offer : offers) {
      Protos.Offer.Operation.Launch.Builder launch = Protos.Offer.Operation.Launch.newBuilder();
      double offerCpu = 0;
      double offerMem = 0;
      for (Protos.Resource resource : offer.getResourcesList()) {
        if (resource.getName().equals(Constants.MESOS_RESOURCE_CPUS)) {
          offerCpu += resource.getScalar().getValue();
        } else if (resource.getName().equals(Constants.MESOS_RESOURCE_MEM)) {
          offerMem += resource.getScalar().getValue();
        } else {
          // Other resources are currently ignored.
        }
      }

      LOG.info(
          "Received offer {} on host {} with cpus {} and mem {} MB and hasMasterPorts {}",
          offer.getId().getValue(),
          offer.getHostname(),
          offerCpu,
          offerMem,
          OfferUtils.hasAvailableMasterPorts(offer));

      Protos.ExecutorInfo.Builder executorBuilder = Protos.ExecutorInfo.newBuilder();
      List<Protos.Resource> resources;
      if (!mMasterLaunched
          && offerCpu >= masterCpu
          && offerMem >= masterMem
          && mMasterCount
              < Configuration.getInt(PropertyKey.INTEGRATION_MESOS_ALLUXIO_MASTER_NODE_COUNT)
          && OfferUtils.hasAvailableMasterPorts(offer)
          && (mRequiredMasterHostname == null
              || mRequiredMasterHostname.equals(offer.getHostname()))) {
        LOG.debug("Creating Alluxio Master executor");
        executorBuilder
            .setName("Alluxio Master Executor")
            .setSource("master")
            .setExecutorId(Protos.ExecutorID.newBuilder().setValue("master"))
            .addAllResources(getExecutorResources())
            .setCommand(
                Protos.CommandInfo.newBuilder()
                    .setValue(createStartAlluxioCommand("alluxio-master-mesos.sh"))
                    .addAllUris(getExecutorDependencyURIList())
                    .setEnvironment(
                        Protos.Environment.newBuilder()
                            .addVariables(
                                Protos.Environment.Variable.newBuilder()
                                    .setName("ALLUXIO_UNDERFS_ADDRESS")
                                    .setValue(Configuration.get(PropertyKey.UNDERFS_ADDRESS))
                                    .build())
                            .build()));
        // pre-build resource list here, then use it to build Protos.Task later.
        resources = getMasterRequiredResources(masterCpu, masterMem);
        mMasterHostname = offer.getHostname();
        mTaskName = Configuration.get(PropertyKey.INTEGRATION_MESOS_ALLUXIO_MASTER_NAME);
        mMasterCount++;
        mMasterTaskId = mLaunchedTasks;
      } else if (mMasterLaunched
          && !mWorkers.contains(offer.getHostname())
          && offerCpu >= workerCpu
          && offerMem >= workerMem
          && OfferUtils.hasAvailableWorkerPorts(offer)) {
        LOG.debug("Creating Alluxio Worker executor");
        final String memSize = FormatUtils.getSizeFromBytes((long) workerMem * Constants.MB);
        executorBuilder
            .setName("Alluxio Worker Executor")
            .setSource("worker")
            .setExecutorId(Protos.ExecutorID.newBuilder().setValue("worker"))
            .addAllResources(getExecutorResources())
            .setCommand(
                Protos.CommandInfo.newBuilder()
                    .setValue(createStartAlluxioCommand("alluxio-worker-mesos.sh"))
                    .addAllUris(getExecutorDependencyURIList())
                    .setEnvironment(
                        Protos.Environment.newBuilder()
                            .addVariables(
                                Protos.Environment.Variable.newBuilder()
                                    .setName("ALLUXIO_MASTER_HOSTNAME")
                                    .setValue(mMasterHostname)
                                    .build())
                            .addVariables(
                                Protos.Environment.Variable.newBuilder()
                                    .setName("ALLUXIO_WORKER_MEMORY_SIZE")
                                    .setValue(memSize)
                                    .build())
                            .addVariables(
                                Protos.Environment.Variable.newBuilder()
                                    .setName("ALLUXIO_UNDERFS_ADDRESS")
                                    .setValue(Configuration.get(PropertyKey.UNDERFS_ADDRESS))
                                    .build())
                            .build()));
        // pre-build resource list here, then use it to build Protos.Task later.
        resources = getWorkerRequiredResources(workerCpu, workerMem);
        mWorkers.add(offer.getHostname());
        mTaskName = Configuration.get(PropertyKey.INTEGRATION_MESOS_ALLUXIO_WORKER_NAME);
      } else {
        // The resource offer cannot be used to start either master or a worker.
        LOG.info("Declining offer {}", offer.getId().getValue());
        driver.declineOffer(offer.getId());
        continue;
      }

      Protos.TaskID taskId =
          Protos.TaskID.newBuilder().setValue(String.valueOf(mLaunchedTasks)).build();

      LOG.info("Launching task {} using offer {}", taskId.getValue(), offer.getId().getValue());

      Protos.TaskInfo task =
          Protos.TaskInfo.newBuilder()
              .setName(mTaskName)
              .setTaskId(taskId)
              .setSlaveId(offer.getSlaveId())
              .addAllResources(resources)
              .setExecutor(executorBuilder)
              .build();

      launch.addTaskInfos(Protos.TaskInfo.newBuilder(task));
      mLaunchedTasks++;

      // NOTE: We use the new API `acceptOffers` here to launch tasks.
      // The 'launchTasks' API will be deprecated.
      List<Protos.OfferID> offerIds = new ArrayList<Protos.OfferID>();
      offerIds.add(offer.getId());
      List<Protos.Offer.Operation> operations = new ArrayList<Protos.Offer.Operation>();
      Protos.Offer.Operation operation =
          Protos.Offer.Operation.newBuilder()
              .setType(Protos.Offer.Operation.Type.LAUNCH)
              .setLaunch(launch)
              .build();
      operations.add(operation);
      Protos.Filters filters = Protos.Filters.newBuilder().setRefuseSeconds(1).build();
      driver.acceptOffers(offerIds, operations, filters);
    }
  }