@Test
  public void testAppDataPush() throws Exception {
    final String topic = "xyz";
    final List<String> messages = new ArrayList<>();
    EmbeddedWebSocketServer server = new EmbeddedWebSocketServer(0);
    server.setWebSocket(
        new WebSocket.OnTextMessage() {

          @Override
          public void onMessage(String data) {
            messages.add(data);
          }

          @Override
          public void onOpen(WebSocket.Connection connection) {}

          @Override
          public void onClose(int closeCode, String message) {}
        });
    try {
      server.start();
      int port = server.getPort();
      TestGeneratorInputOperator o1 = dag.addOperator("o1", TestGeneratorInputOperator.class);
      GenericTestOperator o2 = dag.addOperator("o2", GenericTestOperator.class);
      dag.addStream("o1.outport", o1.outport, o2.inport1);
      dag.setAttribute(LogicalPlan.METRICS_TRANSPORT, new AutoMetricBuiltInTransport(topic));
      dag.setAttribute(LogicalPlan.GATEWAY_CONNECT_ADDRESS, "localhost:" + port);
      dag.setAttribute(LogicalPlan.PUBSUB_CONNECT_TIMEOUT_MILLIS, 2000);

      StramLocalCluster lc = new StramLocalCluster(dag);
      StreamingContainerManager dnmgr = lc.dnmgr;
      StramAppContext appContext = new StramTestSupport.TestAppContext(dag.getAttributes());

      AppDataPushAgent pushAgent = new AppDataPushAgent(dnmgr, appContext);
      pushAgent.init();
      pushAgent.pushData();
      Thread.sleep(1000);
      Assert.assertTrue(messages.size() > 0);
      pushAgent.close();
      JSONObject message = new JSONObject(messages.get(0));
      Assert.assertEquals(topic, message.getString("topic"));
      Assert.assertEquals("publish", message.getString("type"));
      JSONObject data = message.getJSONObject("data");
      Assert.assertTrue(StringUtils.isNotBlank(data.getString("appId")));
      Assert.assertTrue(StringUtils.isNotBlank(data.getString("appUser")));
      Assert.assertTrue(StringUtils.isNotBlank(data.getString("appName")));

      JSONObject logicalOperators = data.getJSONObject("logicalOperators");
      for (String opName : new String[] {"o1", "o2"}) {
        JSONObject opObj = logicalOperators.getJSONObject(opName);
        Assert.assertTrue(opObj.has("totalTuplesProcessed"));
        Assert.assertTrue(opObj.has("totalTuplesEmitted"));
        Assert.assertTrue(opObj.has("tuplesProcessedPSMA"));
        Assert.assertTrue(opObj.has("tuplesEmittedPSMA"));
        Assert.assertTrue(opObj.has("latencyMA"));
      }
    } finally {
      server.stop();
    }
  }
Esempio n. 2
0
  private void testPhysicalPlanSerialization(StorageAgent agent) throws Exception {
    LogicalPlan dag = new LogicalPlan();

    GenericTestOperator o1 = dag.addOperator("o1", GenericTestOperator.class);
    PartitioningTestOperator o2 = dag.addOperator("o2", PartitioningTestOperator.class);
    o2.setPartitionCount(3);
    GenericTestOperator o3 = dag.addOperator("o3", GenericTestOperator.class);

    dag.addStream("o1.outport1", o1.outport1, o2.inport1, o2.inportWithCodec);
    dag.addStream("mergeStream", o2.outport1, o3.inport1);

    dag.getAttributes().put(LogicalPlan.CONTAINERS_MAX_COUNT, 2);

    TestPlanContext ctx = new TestPlanContext();
    dag.setAttribute(OperatorContext.STORAGE_AGENT, agent);
    PhysicalPlan plan = new PhysicalPlan(dag, ctx);

    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    LogicalPlan.write(dag, bos);
    LOG.debug("logicalPlan size: " + bos.toByteArray().length);

    bos = new ByteArrayOutputStream();
    ObjectOutputStream oos = new ObjectOutputStream(bos);
    oos.writeObject(plan);
    LOG.debug("physicalPlan size: " + bos.toByteArray().length);

    ByteArrayInputStream bis = new ByteArrayInputStream(bos.toByteArray());
    plan = (PhysicalPlan) new ObjectInputStream(bis).readObject();

    dag = plan.getLogicalPlan();

    Field f = PhysicalPlan.class.getDeclaredField("ctx");
    f.setAccessible(true);
    f.set(plan, ctx);
    f.setAccessible(false);

    OperatorMeta o2Meta = dag.getOperatorMeta("o2");
    List<PTOperator> o2Partitions = plan.getOperators(o2Meta);
    assertEquals(3, o2Partitions.size());
    for (PTOperator o : o2Partitions) {
      Assert.assertNotNull("partition null " + o, o.getPartitionKeys());
      assertEquals(
          "partition keys " + o + " " + o.getPartitionKeys(), 2, o.getPartitionKeys().size());
      PartitioningTestOperator partitionedInstance =
          (PartitioningTestOperator) plan.loadOperator(o);
      assertEquals(
          "instance per partition",
          o.getPartitionKeys().values().toString(),
          partitionedInstance.pks);
      Assert.assertNotNull("partition stats null " + o, o.stats);
    }
  }
  @Test
  public void testRecoveryOrder() throws Exception {
    GenericTestOperator node1 = dag.addOperator("node1", GenericTestOperator.class);
    GenericTestOperator node2 = dag.addOperator("node2", GenericTestOperator.class);
    GenericTestOperator node3 = dag.addOperator("node3", GenericTestOperator.class);

    dag.addStream("n1n2", node1.outport1, node2.inport1);
    dag.addStream("n2n3", node2.outport1, node3.inport1);

    dag.getAttributes().put(LogicalPlan.CONTAINERS_MAX_COUNT, 2);
    dag.setAttribute(OperatorContext.STORAGE_AGENT, new MemoryStorageAgent());

    StreamingContainerManager scm = new StreamingContainerManager(dag);
    Assert.assertEquals("" + scm.containerStartRequests, 2, scm.containerStartRequests.size());
    scm.containerStartRequests.clear();

    PhysicalPlan plan = scm.getPhysicalPlan();

    List<PTContainer> containers = plan.getContainers();
    Assert.assertEquals("" + containers, 2, plan.getContainers().size());

    PTContainer c1 = containers.get(0);
    Assert.assertEquals("c1.operators " + c1.getOperators(), 2, c1.getOperators().size());

    PTContainer c2 = containers.get(1);
    Assert.assertEquals("c2.operators " + c2.getOperators(), 1, c2.getOperators().size());

    assignContainer(scm, "container1");
    assignContainer(scm, "container2");

    StreamingContainerAgent sca1 = scm.getContainerAgent(c1.getExternalId());
    StreamingContainerAgent sca2 = scm.getContainerAgent(c2.getExternalId());
    Assert.assertEquals("", 0, countState(sca1.container, PTOperator.State.PENDING_UNDEPLOY));
    Assert.assertEquals("", 2, countState(sca1.container, PTOperator.State.PENDING_DEPLOY));

    scm.scheduleContainerRestart(c1.getExternalId());
    Assert.assertEquals("", 0, countState(sca1.container, PTOperator.State.PENDING_UNDEPLOY));
    Assert.assertEquals("", 2, countState(sca1.container, PTOperator.State.PENDING_DEPLOY));
    Assert.assertEquals("" + scm.containerStartRequests, 1, scm.containerStartRequests.size());
    ContainerStartRequest dr = scm.containerStartRequests.peek();
    Assert.assertNotNull(dr);

    Assert.assertEquals(
        "" + sca2.container, 1, countState(sca2.container, PTOperator.State.PENDING_UNDEPLOY));
    Assert.assertEquals(
        "" + sca2.container, 0, countState(sca2.container, PTOperator.State.PENDING_DEPLOY));
  }
  @Test
  public void testCustomMetricsTransport() throws Exception {
    TestGeneratorInputOperator o1 = dag.addOperator("o1", TestGeneratorInputOperator.class);
    GenericTestOperator o2 = dag.addOperator("o2", GenericTestOperator.class);
    dag.addStream("o1.outport", o1.outport, o2.inport1);
    dag.setAttribute(LogicalPlan.METRICS_TRANSPORT, new TestMetricTransport("xyz"));
    StramLocalCluster lc = new StramLocalCluster(dag);
    StreamingContainerManager dnmgr = lc.dnmgr;
    StramAppContext appContext = new StramTestSupport.TestAppContext(dag.getAttributes());

    AppDataPushAgent pushAgent = new AppDataPushAgent(dnmgr, appContext);
    pushAgent.init();
    pushAgent.pushData();
    Assert.assertTrue(TestMetricTransport.messages.size() > 0);
    pushAgent.close();
    String msg = TestMetricTransport.messages.get(0);
    Assert.assertTrue(msg.startsWith("xyz:"));
  }
  @Test
  public void testRecoveryUpstreamInline() throws Exception {
    GenericTestOperator o1 = dag.addOperator("o1", GenericTestOperator.class);
    GenericTestOperator o2 = dag.addOperator("o2", GenericTestOperator.class);
    GenericTestOperator o3 = dag.addOperator("o3", GenericTestOperator.class);

    dag.addStream("o1o3", o1.outport1, o3.inport1);
    dag.addStream("o2o3", o2.outport1, o3.inport2);

    dag.getAttributes().put(LogicalPlan.CONTAINERS_MAX_COUNT, 2);
    dag.setAttribute(OperatorContext.STORAGE_AGENT, new MemoryStorageAgent());

    StreamingContainerManager scm = new StreamingContainerManager(dag);
    PhysicalPlan plan = scm.getPhysicalPlan();
    Assert.assertEquals(2, plan.getContainers().size());

    plan.getOperators(dag.getMeta(o1)).get(0);

    Assert.assertEquals(2, plan.getContainers().size());
    PTContainer c1 = plan.getContainers().get(0);
    Assert.assertEquals(
        Sets.newHashSet(
            plan.getOperators(dag.getMeta(o1)).get(0), plan.getOperators(dag.getMeta(o3)).get(0)),
        Sets.newHashSet(c1.getOperators()));
    PTContainer c2 = plan.getContainers().get(1);

    assignContainer(scm, "c1");
    assignContainer(scm, "c2");

    for (PTOperator oper : c1.getOperators()) {
      Assert.assertEquals("state " + oper, PTOperator.State.PENDING_DEPLOY, oper.getState());
    }
    scm.scheduleContainerRestart(c2.getExternalId());
    for (PTOperator oper : c1.getOperators()) {
      Assert.assertEquals("state " + oper, PTOperator.State.PENDING_UNDEPLOY, oper.getState());
    }
  }
Esempio n. 6
0
  /**
   * Launch application for the dag represented by this client.
   *
   * @throws YarnException
   * @throws IOException
   */
  public void startApplication() throws YarnException, IOException {
    Class<?>[] defaultClasses;

    if (applicationType.equals(YARN_APPLICATION_TYPE)) {
      // TODO restrict the security check to only check if security is enabled for webservices.
      if (UserGroupInformation.isSecurityEnabled()) {
        defaultClasses = DATATORRENT_SECURITY_CLASSES;
      } else {
        defaultClasses = DATATORRENT_CLASSES;
      }
    } else {
      throw new IllegalStateException(applicationType + " is not a valid application type.");
    }

    LinkedHashSet<String> localJarFiles = findJars(dag, defaultClasses);

    if (resources != null) {
      localJarFiles.addAll(resources);
    }

    YarnClusterMetrics clusterMetrics = yarnClient.getYarnClusterMetrics();
    LOG.info(
        "Got Cluster metric info from ASM"
            + ", numNodeManagers="
            + clusterMetrics.getNumNodeManagers());

    // GetClusterNodesRequest clusterNodesReq = Records.newRecord(GetClusterNodesRequest.class);
    // GetClusterNodesResponse clusterNodesResp =
    // rmClient.clientRM.getClusterNodes(clusterNodesReq);
    // LOG.info("Got Cluster node info from ASM");
    // for (NodeReport node : clusterNodesResp.getNodeReports()) {
    //  LOG.info("Got node report from ASM for"
    //           + ", nodeId=" + node.getNodeId()
    //           + ", nodeAddress" + node.getHttpAddress()
    //           + ", nodeRackName" + node.getRackName()
    //           + ", nodeNumContainers" + node.getNumContainers()
    //           + ", nodeHealthStatus" + node.getHealthReport());
    // }
    List<QueueUserACLInfo> listAclInfo = yarnClient.getQueueAclsInfo();
    for (QueueUserACLInfo aclInfo : listAclInfo) {
      for (QueueACL userAcl : aclInfo.getUserAcls()) {
        LOG.info(
            "User ACL Info for Queue"
                + ", queueName="
                + aclInfo.getQueueName()
                + ", userAcl="
                + userAcl.name());
      }
    }

    // Get a new application id
    YarnClientApplication newApp = yarnClient.createApplication();
    appId = newApp.getNewApplicationResponse().getApplicationId();

    // Dump out information about cluster capability as seen by the resource manager
    int maxMem = newApp.getNewApplicationResponse().getMaximumResourceCapability().getMemory();
    LOG.info("Max mem capabililty of resources in this cluster " + maxMem);
    int amMemory = dag.getMasterMemoryMB();
    if (amMemory > maxMem) {
      LOG.info(
          "AM memory specified above max threshold of cluster. Using max value."
              + ", specified="
              + amMemory
              + ", max="
              + maxMem);
      amMemory = maxMem;
    }

    if (dag.getAttributes().get(LogicalPlan.APPLICATION_ID) == null) {
      dag.setAttribute(LogicalPlan.APPLICATION_ID, appId.toString());
    }

    // Create launch context for app master
    LOG.info("Setting up application submission context for ASM");
    ApplicationSubmissionContext appContext = Records.newRecord(ApplicationSubmissionContext.class);

    // set the application id
    appContext.setApplicationId(appId);
    // set the application name
    appContext.setApplicationName(dag.getValue(LogicalPlan.APPLICATION_NAME));
    appContext.setApplicationType(this.applicationType);
    if (YARN_APPLICATION_TYPE.equals(this.applicationType)) {
      // appContext.setMaxAppAttempts(1); // no retries until Stram is HA
    }

    // Set up the container launch context for the application master
    ContainerLaunchContext amContainer = Records.newRecord(ContainerLaunchContext.class);

    // Setup security tokens
    // If security is enabled get ResourceManager and NameNode delegation tokens.
    // Set these tokens on the container so that they are sent as part of application submission.
    // This also sets them up for renewal by ResourceManager. The NameNode delegation rmToken
    // is also used by ResourceManager to fetch the jars from HDFS and set them up for the
    // application master launch.
    if (UserGroupInformation.isSecurityEnabled()) {
      Credentials credentials = new Credentials();
      String tokenRenewer = conf.get(YarnConfiguration.RM_PRINCIPAL);
      if (tokenRenewer == null || tokenRenewer.length() == 0) {
        throw new IOException("Can't get Master Kerberos principal for the RM to use as renewer");
      }

      // For now, only getting tokens for the default file-system.
      FileSystem fs = StramClientUtils.newFileSystemInstance(conf);
      try {
        final Token<?> tokens[] = fs.addDelegationTokens(tokenRenewer, credentials);
        if (tokens != null) {
          for (Token<?> token : tokens) {
            LOG.info("Got dt for " + fs.getUri() + "; " + token);
          }
        }
      } finally {
        fs.close();
      }

      addRMDelegationToken(tokenRenewer, credentials);

      DataOutputBuffer dob = new DataOutputBuffer();
      credentials.writeTokenStorageToStream(dob);
      ByteBuffer fsTokens = ByteBuffer.wrap(dob.getData(), 0, dob.getLength());
      amContainer.setTokens(fsTokens);
    }

    // set local resources for the application master
    // local files or archives as needed
    // In this scenario, the jar file for the application master is part of the local resources
    Map<String, LocalResource> localResources = new HashMap<String, LocalResource>();

    // copy required jar files to dfs, to be localized for containers
    FileSystem fs = StramClientUtils.newFileSystemInstance(conf);
    try {
      Path appsBasePath =
          new Path(StramClientUtils.getDTDFSRootDir(fs, conf), StramClientUtils.SUBDIR_APPS);
      Path appPath = new Path(appsBasePath, appId.toString());

      String libJarsCsv = copyFromLocal(fs, appPath, localJarFiles.toArray(new String[] {}));

      LOG.info("libjars: {}", libJarsCsv);
      dag.getAttributes().put(LogicalPlan.LIBRARY_JARS, libJarsCsv);
      LaunchContainerRunnable.addFilesToLocalResources(
          LocalResourceType.FILE, libJarsCsv, localResources, fs);

      if (archives != null) {
        String[] localFiles = archives.split(",");
        String archivesCsv = copyFromLocal(fs, appPath, localFiles);
        LOG.info("archives: {}", archivesCsv);
        dag.getAttributes().put(LogicalPlan.ARCHIVES, archivesCsv);
        LaunchContainerRunnable.addFilesToLocalResources(
            LocalResourceType.ARCHIVE, archivesCsv, localResources, fs);
      }

      if (files != null) {
        String[] localFiles = files.split(",");
        String filesCsv = copyFromLocal(fs, appPath, localFiles);
        LOG.info("files: {}", filesCsv);
        dag.getAttributes().put(LogicalPlan.FILES, filesCsv);
        LaunchContainerRunnable.addFilesToLocalResources(
            LocalResourceType.FILE, filesCsv, localResources, fs);
      }

      dag.getAttributes().put(LogicalPlan.APPLICATION_PATH, appPath.toString());
      if (dag.getAttributes().get(OperatorContext.STORAGE_AGENT) == null) {
          /* which would be the most likely case */
        Path checkpointPath = new Path(appPath, LogicalPlan.SUBDIR_CHECKPOINTS);
        // use conf client side to pickup any proxy settings from dt-site.xml
        dag.setAttribute(
            OperatorContext.STORAGE_AGENT, new FSStorageAgent(checkpointPath.toString(), conf));
      }
      if (dag.getAttributes().get(LogicalPlan.CONTAINER_OPTS_CONFIGURATOR) == null) {
        dag.setAttribute(
            LogicalPlan.CONTAINER_OPTS_CONFIGURATOR, new BasicContainerOptConfigurator());
      }

      // Set the log4j properties if needed
      if (!log4jPropFile.isEmpty()) {
        Path log4jSrc = new Path(log4jPropFile);
        Path log4jDst = new Path(appPath, "log4j.props");
        fs.copyFromLocalFile(false, true, log4jSrc, log4jDst);
        FileStatus log4jFileStatus = fs.getFileStatus(log4jDst);
        LocalResource log4jRsrc = Records.newRecord(LocalResource.class);
        log4jRsrc.setType(LocalResourceType.FILE);
        log4jRsrc.setVisibility(LocalResourceVisibility.APPLICATION);
        log4jRsrc.setResource(ConverterUtils.getYarnUrlFromURI(log4jDst.toUri()));
        log4jRsrc.setTimestamp(log4jFileStatus.getModificationTime());
        log4jRsrc.setSize(log4jFileStatus.getLen());
        localResources.put("log4j.properties", log4jRsrc);
      }

      if (originalAppId != null) {
        Path origAppPath = new Path(appsBasePath, this.originalAppId);
        LOG.info("Restart from {}", origAppPath);
        copyInitialState(origAppPath);
      }

      // push logical plan to DFS location
      Path cfgDst = new Path(appPath, LogicalPlan.SER_FILE_NAME);
      FSDataOutputStream outStream = fs.create(cfgDst, true);
      LogicalPlan.write(this.dag, outStream);
      outStream.close();

      Path launchConfigDst = new Path(appPath, LogicalPlan.LAUNCH_CONFIG_FILE_NAME);
      outStream = fs.create(launchConfigDst, true);
      conf.writeXml(outStream);
      outStream.close();

      FileStatus topologyFileStatus = fs.getFileStatus(cfgDst);
      LocalResource topologyRsrc = Records.newRecord(LocalResource.class);
      topologyRsrc.setType(LocalResourceType.FILE);
      topologyRsrc.setVisibility(LocalResourceVisibility.APPLICATION);
      topologyRsrc.setResource(ConverterUtils.getYarnUrlFromURI(cfgDst.toUri()));
      topologyRsrc.setTimestamp(topologyFileStatus.getModificationTime());
      topologyRsrc.setSize(topologyFileStatus.getLen());
      localResources.put(LogicalPlan.SER_FILE_NAME, topologyRsrc);

      // Set local resource info into app master container launch context
      amContainer.setLocalResources(localResources);

      // Set the necessary security tokens as needed
      // amContainer.setContainerTokens(containerToken);
      // Set the env variables to be setup in the env where the application master will be run
      LOG.info("Set the environment for the application master");
      Map<String, String> env = new HashMap<String, String>();

      // Add application jar(s) location to classpath
      // At some point we should not be required to add
      // the hadoop specific classpaths to the env.
      // It should be provided out of the box.
      // For now setting all required classpaths including
      // the classpath to "." for the application jar(s)
      // including ${CLASSPATH} will duplicate the class path in app master, removing it for now
      // StringBuilder classPathEnv = new StringBuilder("${CLASSPATH}:./*");
      StringBuilder classPathEnv = new StringBuilder("./*");
      String classpath = conf.get(YarnConfiguration.YARN_APPLICATION_CLASSPATH);
      for (String c :
          StringUtils.isBlank(classpath)
              ? YarnConfiguration.DEFAULT_YARN_APPLICATION_CLASSPATH
              : classpath.split(",")) {
        if (c.equals("$HADOOP_CLIENT_CONF_DIR")) {
          // SPOI-2501
          continue;
        }
        classPathEnv.append(':');
        classPathEnv.append(c.trim());
      }
      env.put("CLASSPATH", classPathEnv.toString());
      // propagate to replace node managers user name (effective in non-secure mode)
      env.put("HADOOP_USER_NAME", UserGroupInformation.getLoginUser().getUserName());

      amContainer.setEnvironment(env);

      // Set the necessary command to execute the application master
      ArrayList<CharSequence> vargs = new ArrayList<CharSequence>(30);

      // Set java executable command
      LOG.info("Setting up app master command");
      vargs.add(javaCmd);
      if (dag.isDebug()) {
        vargs.add("-agentlib:jdwp=transport=dt_socket,server=y,suspend=n");
      }
      // Set Xmx based on am memory size
      // default heap size 75% of total memory
      vargs.add("-Xmx" + (amMemory * 3 / 4) + "m");
      vargs.add("-XX:+HeapDumpOnOutOfMemoryError");
      vargs.add("-XX:HeapDumpPath=/tmp/dt-heap-" + appId.getId() + ".bin");
      vargs.add("-Dhadoop.root.logger=" + (dag.isDebug() ? "DEBUG" : "INFO") + ",RFA");
      vargs.add("-Dhadoop.log.dir=" + ApplicationConstants.LOG_DIR_EXPANSION_VAR);
      vargs.add(String.format("-D%s=%s", StreamingContainer.PROP_APP_PATH, dag.assertAppPath()));
      if (dag.isDebug()) {
        vargs.add("-Dlog4j.debug=true");
      }

      String loggersLevel = conf.get(DTLoggerFactory.DT_LOGGERS_LEVEL);
      if (loggersLevel != null) {
        vargs.add(String.format("-D%s=%s", DTLoggerFactory.DT_LOGGERS_LEVEL, loggersLevel));
      }
      vargs.add(StreamingAppMaster.class.getName());
      vargs.add("1>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/AppMaster.stdout");
      vargs.add("2>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/AppMaster.stderr");

      // Get final command
      StringBuilder command = new StringBuilder(9 * vargs.size());
      for (CharSequence str : vargs) {
        command.append(str).append(" ");
      }

      LOG.info("Completed setting up app master command " + command.toString());
      List<String> commands = new ArrayList<String>();
      commands.add(command.toString());
      amContainer.setCommands(commands);

      // Set up resource type requirements
      // For now, only memory is supported so we set memory requirements
      Resource capability = Records.newRecord(Resource.class);
      capability.setMemory(amMemory);
      appContext.setResource(capability);

      // Service data is a binary blob that can be passed to the application
      // Not needed in this scenario
      // amContainer.setServiceData(serviceData);
      appContext.setAMContainerSpec(amContainer);

      // Set the priority for the application master
      Priority pri = Records.newRecord(Priority.class);
      pri.setPriority(amPriority);
      appContext.setPriority(pri);
      // Set the queue to which this application is to be submitted in the RM
      appContext.setQueue(queueName);

      // Submit the application to the applications manager
      // SubmitApplicationResponse submitResp = rmClient.submitApplication(appRequest);
      // Ignore the response as either a valid response object is returned on success
      // or an exception thrown to denote some form of a failure
      String specStr =
          Objects.toStringHelper("Submitting application: ")
              .add("name", appContext.getApplicationName())
              .add("queue", appContext.getQueue())
              .add("user", UserGroupInformation.getLoginUser())
              .add("resource", appContext.getResource())
              .toString();
      LOG.info(specStr);
      if (dag.isDebug()) {
        // LOG.info("Full submission context: " + appContext);
      }
      yarnClient.submitApplication(appContext);
    } finally {
      fs.close();
    }
  }
  @Test
  public void testGenerateDeployInfo() {
    TestGeneratorInputOperator o1 = dag.addOperator("o1", TestGeneratorInputOperator.class);
    GenericTestOperator o2 = dag.addOperator("o2", GenericTestOperator.class);
    GenericTestOperator o3 = dag.addOperator("o3", GenericTestOperator.class);
    GenericTestOperator o4 = dag.addOperator("o4", GenericTestOperator.class);

    dag.setOutputPortAttribute(o1.outport, PortContext.BUFFER_MEMORY_MB, 256);
    dag.addStream("o1.outport", o1.outport, o2.inport1);
    dag.setOutputPortAttribute(o1.outport, PortContext.SPIN_MILLIS, 99);

    dag.addStream("o2.outport1", o2.outport1, o3.inport1).setLocality(Locality.CONTAINER_LOCAL);
    dag.addStream("o3.outport1", o3.outport1, o4.inport1).setLocality(Locality.THREAD_LOCAL);

    dag.getAttributes().put(LogicalPlan.CONTAINERS_MAX_COUNT, 2);
    dag.setAttribute(OperatorContext.STORAGE_AGENT, new MemoryStorageAgent());
    Assert.assertEquals("number operators", 4, dag.getAllOperators().size());
    Assert.assertEquals("number root operators", 1, dag.getRootOperators().size());

    StreamingContainerManager dnm = new StreamingContainerManager(dag);
    Assert.assertEquals("number containers", 2, dnm.getPhysicalPlan().getContainers().size());

    dnm.assignContainer(
        new ContainerResource(0, "container1Id", "host1", 1024, 0, null),
        InetSocketAddress.createUnresolved("host1", 9001));
    dnm.assignContainer(
        new ContainerResource(0, "container2Id", "host2", 1024, 0, null),
        InetSocketAddress.createUnresolved("host2", 9002));

    StreamingContainerAgent sca1 =
        dnm.getContainerAgent(dnm.getPhysicalPlan().getContainers().get(0).getExternalId());
    StreamingContainerAgent sca2 =
        dnm.getContainerAgent(dnm.getPhysicalPlan().getContainers().get(1).getExternalId());

    Assert.assertEquals("", dnm.getPhysicalPlan().getContainers().get(0), sca1.container);
    Assert.assertEquals("", PTContainer.State.ALLOCATED, sca1.container.getState());
    List<OperatorDeployInfo> c1 = sca1.getDeployInfoList(sca1.container.getOperators());

    Assert.assertEquals("number operators assigned to c1", 1, c1.size());
    OperatorDeployInfo o1DI = getNodeDeployInfo(c1, dag.getMeta(o1));
    Assert.assertNotNull(o1 + " assigned to " + sca1.container.getExternalId(), o1DI);
    Assert.assertEquals("type " + o1DI, OperatorDeployInfo.OperatorType.INPUT, o1DI.type);
    Assert.assertEquals("inputs " + o1DI.name, 0, o1DI.inputs.size());
    Assert.assertEquals("outputs " + o1DI.name, 1, o1DI.outputs.size());
    Assert.assertNotNull("contextAttributes " + o1DI.name, o1DI.contextAttributes);

    OutputDeployInfo c1o1outport = o1DI.outputs.get(0);
    Assert.assertNotNull("stream connection for container1", c1o1outport);
    Assert.assertEquals(
        "stream connection for container1", "o1.outport", c1o1outport.declaredStreamId);
    Assert.assertEquals(
        "stream connects to upstream host", sca1.container.host, c1o1outport.bufferServerHost);
    Assert.assertEquals(
        "stream connects to upstream port",
        sca1.container.bufferServerAddress.getPort(),
        c1o1outport.bufferServerPort);
    Assert.assertNotNull("contextAttributes " + c1o1outport, c1o1outport.contextAttributes);
    Assert.assertEquals(
        "contextAttributes " + c1o1outport,
        Integer.valueOf(99),
        c1o1outport.contextAttributes.get(PortContext.SPIN_MILLIS));

    List<OperatorDeployInfo> c2 = sca2.getDeployInfoList(sca2.container.getOperators());
    Assert.assertEquals("number operators assigned to container", 3, c2.size());
    OperatorDeployInfo o2DI = getNodeDeployInfo(c2, dag.getMeta(o2));
    OperatorDeployInfo o3DI = getNodeDeployInfo(c2, dag.getMeta(o3));
    Assert.assertNotNull(dag.getMeta(o2) + " assigned to " + sca2.container.getExternalId(), o2DI);
    Assert.assertNotNull(dag.getMeta(o3) + " assigned to " + sca2.container.getExternalId(), o3DI);

    Assert.assertTrue(
        "The buffer server memory for container 1",
        256 == sca1.getInitContext().getValue(ContainerContext.BUFFER_SERVER_MB));
    Assert.assertTrue(
        "The buffer server memory for container 2",
        0 == sca2.getInitContext().getValue(ContainerContext.BUFFER_SERVER_MB));
    // buffer server input o2 from o1
    InputDeployInfo c2o2i1 = getInputDeployInfo(o2DI, "o1.outport");
    Assert.assertNotNull("stream connection for container2", c2o2i1);
    Assert.assertEquals(
        "stream connects to upstream host", sca1.container.host, c2o2i1.bufferServerHost);
    Assert.assertEquals(
        "stream connects to upstream port",
        sca1.container.bufferServerAddress.getPort(),
        c2o2i1.bufferServerPort);
    Assert.assertEquals(
        "portName " + c2o2i1, dag.getMeta(o2).getMeta(o2.inport1).getPortName(), c2o2i1.portName);
    Assert.assertNull("partitionKeys " + c2o2i1, c2o2i1.partitionKeys);
    Assert.assertEquals("sourceNodeId " + c2o2i1, o1DI.id, c2o2i1.sourceNodeId);
    Assert.assertEquals(
        "sourcePortName " + c2o2i1, TestGeneratorInputOperator.OUTPUT_PORT, c2o2i1.sourcePortName);
    Assert.assertNotNull("contextAttributes " + c2o2i1, c2o2i1.contextAttributes);

    // inline input o3 from o2
    InputDeployInfo c2o3i1 = getInputDeployInfo(o3DI, "o2.outport1");
    Assert.assertNotNull("input from o2.outport1", c2o3i1);
    Assert.assertEquals("portName " + c2o3i1, GenericTestOperator.IPORT1, c2o3i1.portName);
    Assert.assertNotNull("stream connection for container2", c2o3i1);
    Assert.assertNull("bufferServerHost " + c2o3i1, c2o3i1.bufferServerHost);
    Assert.assertEquals("bufferServerPort " + c2o3i1, 0, c2o3i1.bufferServerPort);
    Assert.assertNull("partitionKeys " + c2o3i1, c2o3i1.partitionKeys);
    Assert.assertEquals("sourceNodeId " + c2o3i1, o2DI.id, c2o3i1.sourceNodeId);
    Assert.assertEquals(
        "sourcePortName " + c2o3i1, GenericTestOperator.OPORT1, c2o3i1.sourcePortName);
    Assert.assertEquals("locality " + c2o3i1, Locality.CONTAINER_LOCAL, c2o3i1.locality);

    // THREAD_LOCAL o4.inport1
    OperatorDeployInfo o4DI = getNodeDeployInfo(c2, dag.getMeta(o4));
    Assert.assertNotNull(dag.getMeta(o4) + " assigned to " + sca2.container.getExternalId(), o4DI);
    InputDeployInfo c2o4i1 = getInputDeployInfo(o4DI, "o3.outport1");
    Assert.assertNotNull("input from o3.outport1", c2o4i1);
    Assert.assertEquals("portName " + c2o4i1, GenericTestOperator.IPORT1, c2o4i1.portName);
    Assert.assertNotNull("stream connection for container2", c2o4i1);
    Assert.assertNull("bufferServerHost " + c2o4i1, c2o4i1.bufferServerHost);
    Assert.assertEquals("bufferServerPort " + c2o4i1, 0, c2o4i1.bufferServerPort);
    Assert.assertNull("partitionKeys " + c2o4i1, c2o4i1.partitionKeys);
    Assert.assertEquals("sourceNodeId " + c2o4i1, o3DI.id, c2o4i1.sourceNodeId);
    Assert.assertEquals(
        "sourcePortName " + c2o4i1, GenericTestOperator.OPORT1, c2o4i1.sourcePortName);
    Assert.assertEquals("locality " + c2o4i1, Locality.THREAD_LOCAL, c2o4i1.locality);
  }