Examples of org.apache.hadoop.yarn.api.records.NMToken

Package org.apache.hadoop.yarn.api.records

Examples of org.apache.hadoop.yarn.api.records.NMToken

org.apache.hadoop.yarn.api.records.NMToken

The NMToken is used for authenticating communication with NodeManager

It is issued by ResourceMananger when ApplicationMaster negotiates resource with ResourceManager and validated on NodeManager side.
@see AllocateResponse#getNMTokens()

      if (!transferredContainers.isEmpty()) {
        response.setContainersFromPreviousAttempts(transferredContainers);
        List<NMToken> nmTokens = new ArrayList<NMToken>();
        for (Container container : transferredContainers) {
          try {
            NMToken token = rmContext.getNMTokenSecretManager()
                .createAndGetNMToken(app.getUser(), applicationAttemptId,
                    container);
            if (null != token) {
              nmTokens.add(token);
            }

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        // create container token and NMToken altogether.
        container.setContainerToken(rmContext.getContainerTokenSecretManager()
          .createContainerToken(container.getId(), container.getNodeId(),
            getUser(), container.getResource(), container.getPriority(),
            rmContainer.getCreationTime()));
        NMToken nmToken =
            rmContext.getNMTokenSecretManager().createAndGetNMToken(getUser(),
              getApplicationAttemptId(), container);
        if (nmToken != null) {
          nmTokens.add(nmToken);
        }

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            LOG.debug("Sending NMToken for nodeId : "
                + container.getNodeId().toString()
                + " for application attempt : " + appAttemptId.toString());
            Token token = createNMToken(appAttemptId, container.getNodeId(),
                applicationSubmitter);
            NMToken nmToken =
                NMToken.newInstance(container.getNodeId(), token);
            nmTokens.add(nmToken);
            // This will update the nmToken set.
            nodeSet.add(container.getNodeId());
          }

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      if (!transferredContainers.isEmpty()) {
        response.setContainersFromPreviousAttempts(transferredContainers);
        List<NMToken> nmTokens = new ArrayList<NMToken>();
        for (Container container : transferredContainers) {
          try {
            NMToken token = rmContext.getNMTokenSecretManager()
                .createAndGetNMToken(app.getUser(), applicationAttemptId,
                    container);
            if (null != token) {
              nmTokens.add(token);
            }

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      try {
        // create container token and NMToken altogether.
        container.setContainerToken(rmContext.getContainerTokenSecretManager()
          .createContainerToken(container.getId(), container.getNodeId(),
            getUser(), container.getResource()));
        NMToken nmToken =
            rmContext.getNMTokenSecretManager().createAndGetNMToken(getUser(),
              getApplicationAttemptId(), container);
        if (nmToken != null) {
          nmTokens.add(nmToken);
        }

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      try {
        // create container token and NMToken altogether.
        container.setContainerToken(rmContext.getContainerTokenSecretManager()
          .createContainerToken(container.getId(), container.getNodeId(),
            getUser(), container.getResource()));
        NMToken nmToken =
            rmContext.getNMTokenSecretManager().createAndGetNMToken(getUser(),
              getApplicationAttemptId(), container);
        if (nmToken != null) {
          nmTokens.add(nmToken);
        }

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  public NMToken createAndGetNMToken(String applicationSubmitter,
      ApplicationAttemptId appAttemptId, Container container) {
    try {
      this.readLock.lock();
      HashSet<NodeId> nodeSet = this.appAttemptToNodeKeyMap.get(appAttemptId);
      NMToken nmToken = null;
      if (nodeSet != null) {
        if (!nodeSet.contains(container.getNodeId())) {
          LOG.info("Sending NMToken for nodeId : " + container.getNodeId()
              + " for container : " + container.getId());
          Token token =

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Related Classes of org.apache.hadoop.yarn.api.records.NMToken

org.apache.hadoop.yarn.server.resourcemanager.ApplicationMasterService

org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplicationAttempt

org.apache.hadoop.yarn.server.resourcemanager.security.NMTokenSecretManagerInRM

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