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Subject [35/50] [abbrv] hadoop git commit: YARN-8757. [Submarine] Add Tensorboard component when --tensorboard is specified. Contributed by Wangda Tan.
Date Wed, 19 Sep 2018 21:00:45 GMT
YARN-8757. [Submarine] Add Tensorboard component when --tensorboard is specified. Contributed
by Wangda Tan.


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/1824d5d1
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/1824d5d1
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/1824d5d1

Branch: refs/heads/YARN-7402
Commit: 1824d5d1c49c16db6341141fa204d4a4c02d0944
Parents: 56e0d63
Author: Sunil G <sunilg@apache.org>
Authored: Wed Sep 19 22:18:55 2018 +0530
Committer: Sunil G <sunilg@apache.org>
Committed: Wed Sep 19 22:18:55 2018 +0530

----------------------------------------------------------------------
 .../yarn/submarine/client/cli/CliConstants.java |   6 +
 .../yarn/submarine/client/cli/CliUtils.java     |  10 +-
 .../yarn/submarine/client/cli/RunJobCli.java    |  43 ++-
 .../client/cli/param/RunJobParameters.java      |  52 +++-
 .../fs/DefaultRemoteDirectoryManager.java       |  21 +-
 .../common/fs/RemoteDirectoryManager.java       |   4 +-
 .../common/FSBasedSubmarineStorageImpl.java     |   4 +-
 .../yarnservice/YarnServiceJobSubmitter.java    | 126 ++++++---
 .../runtimes/yarnservice/YarnServiceUtils.java  |  26 +-
 .../yarnservice/TestYarnServiceRunJobCli.java   | 268 ++++++++++++++++---
 .../common/fs/MockRemoteDirectoryManager.java   |   7 +-
 11 files changed, 463 insertions(+), 104 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/1824d5d1/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/client/cli/CliConstants.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/client/cli/CliConstants.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/client/cli/CliConstants.java
index d0958a8..d51ffc7 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/client/cli/CliConstants.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/client/cli/CliConstants.java
@@ -35,6 +35,10 @@ public class CliConstants {
   public static final String DOCKER_IMAGE = "docker_image";
   public static final String QUEUE = "queue";
   public static final String TENSORBOARD = "tensorboard";
+  public static final String TENSORBOARD_RESOURCES = "tensorboard_resources";
+  public static final String TENSORBOARD_DEFAULT_RESOURCES =
+      "memory=4G,vcores=1";
+
   public static final String WORKER_LAUNCH_CMD = "worker_launch_cmd";
   public static final String SERVING_LAUNCH_CMD = "serving_launch_cmd";
   public static final String PS_LAUNCH_CMD = "ps_launch_cmd";
@@ -45,4 +49,6 @@ public class CliConstants {
   public static final String WAIT_JOB_FINISH = "wait_job_finish";
   public static final String PS_DOCKER_IMAGE = "ps_docker_image";
   public static final String WORKER_DOCKER_IMAGE = "worker_docker_image";
+  public static final String TENSORBOARD_DOCKER_IMAGE =
+      "tensorboard_docker_image";
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/1824d5d1/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/client/cli/CliUtils.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/client/cli/CliUtils.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/client/cli/CliUtils.java
index 6dd3e4d..546c6eb 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/client/cli/CliUtils.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/client/cli/CliUtils.java
@@ -39,17 +39,9 @@ public class CliUtils {
   public static String replacePatternsInLaunchCommand(String specifiedCli,
       RunJobParameters jobRunParameters,
       RemoteDirectoryManager directoryManager) throws IOException {
-    String jobDir = jobRunParameters.getCheckpointPath();
-    if (null == jobDir) {
-      jobDir = directoryManager.getJobCheckpointDir(jobRunParameters.getName(),
-          true).toString();
-    }
-
     String input = jobRunParameters.getInputPath();
+    String jobDir = jobRunParameters.getCheckpointPath();
     String savedModelDir = jobRunParameters.getSavedModelPath();
-    if (null == savedModelDir) {
-      savedModelDir = jobDir;
-    }
 
     Map<String, String> replacePattern = new HashMap<>();
     if (jobDir != null) {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/1824d5d1/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/client/cli/RunJobCli.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/client/cli/RunJobCli.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/client/cli/RunJobCli.java
index d7dfc0d..faa22d3 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/client/cli/RunJobCli.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/client/cli/RunJobCli.java
@@ -89,8 +89,16 @@ public class RunJobCli extends AbstractCli {
     options.addOption(CliConstants.DOCKER_IMAGE, true, "Docker image name/tag");
     options.addOption(CliConstants.QUEUE, true,
         "Name of queue to run the job, by default it uses default queue");
-    options.addOption(CliConstants.TENSORBOARD, true,
-        "Should we run TensorBoard" + " for this job? By default it's true");
+    options.addOption(CliConstants.TENSORBOARD, false,
+        "Should we run TensorBoard"
+            + " for this job? By default it's disabled");
+    options.addOption(CliConstants.TENSORBOARD_RESOURCES, true,
+        "Specify resources of Tensorboard, by default it is "
+            + CliConstants.TENSORBOARD_DEFAULT_RESOURCES);
+    options.addOption(CliConstants.TENSORBOARD_DOCKER_IMAGE, true,
+        "Specify Tensorboard docker image. when this is not "
+            + "specified, Tensorboard " + "uses --" + CliConstants.DOCKER_IMAGE
+            + " as default.");
     options.addOption(CliConstants.WORKER_LAUNCH_CMD, true,
         "Commandline of worker, arguments will be "
             + "directly used to launch the worker");
@@ -144,10 +152,39 @@ public class RunJobCli extends AbstractCli {
       throw e;
     }
 
+    // Set default job dir / saved model dir, etc.
+    setDefaultDirs();
+
     // replace patterns
     replacePatternsInParameters();
   }
 
+  private void setDefaultDirs() throws IOException {
+    // Create directories if needed
+    String jobDir = parameters.getCheckpointPath();
+    if (null == jobDir) {
+      if (parameters.getNumWorkers() > 0) {
+        jobDir = clientContext.getRemoteDirectoryManager().getJobCheckpointDir(
+            parameters.getName(), true).toString();
+      } else {
+        // when #workers == 0, it means we only launch TB. In that case,
+        // point job dir to root dir so all job's metrics will be shown.
+        jobDir = clientContext.getRemoteDirectoryManager().getUserRootFolder()
+            .toString();
+      }
+      parameters.setCheckpointPath(jobDir);
+    }
+
+    if (parameters.getNumWorkers() > 0) {
+      // Only do this when #worker > 0
+      String savedModelDir = parameters.getSavedModelPath();
+      if (null == savedModelDir) {
+        savedModelDir = jobDir;
+        parameters.setSavedModelPath(savedModelDir);
+      }
+    }
+  }
+
   private void storeJobInformation(String jobName, ApplicationId applicationId,
       String[] args) throws IOException {
     Map<String, String> jobInfo = new HashMap<>();
@@ -198,7 +235,7 @@ public class RunJobCli extends AbstractCli {
   }
 
   @VisibleForTesting
-  RunJobParameters getRunJobParameters() {
+  public RunJobParameters getRunJobParameters() {
     return parameters;
   }
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/1824d5d1/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/client/cli/param/RunJobParameters.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/client/cli/param/RunJobParameters.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/client/cli/param/RunJobParameters.java
index 6cab9e3..4558f6a 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/client/cli/param/RunJobParameters.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/client/cli/param/RunJobParameters.java
@@ -37,6 +37,8 @@ public class RunJobParameters extends RunParameters {
   private Resource workerResource;
   private Resource psResource;
   private boolean tensorboardEnabled;
+  private Resource tensorboardResource;
+  private String tensorboardDockerImage;
   private String workerLaunchCmd;
   private String psLaunchCmd;
 
@@ -69,19 +71,23 @@ public class RunJobParameters extends RunParameters {
     // When distributed training is required
     if (nWorkers >= 2 && nPS > 0) {
       distributed = true;
-    } else if (nWorkers == 1 && nPS > 0) {
+    } else if (nWorkers <= 1 && nPS > 0) {
       throw new ParseException("Only specified one worker but non-zero PS, "
           + "please double check.");
     }
 
-    String workerResourceStr = parsedCommandLine.getOptionValue(
-        CliConstants.WORKER_RES);
-    if (workerResourceStr == null) {
-      throw new ParseException("--" + CliConstants.WORKER_RES + " is absent.");
+    workerResource = null;
+    if (nWorkers > 0) {
+      String workerResourceStr = parsedCommandLine.getOptionValue(
+          CliConstants.WORKER_RES);
+      if (workerResourceStr == null) {
+        throw new ParseException(
+            "--" + CliConstants.WORKER_RES + " is absent.");
+      }
+      workerResource = CliUtils.createResourceFromString(
+          workerResourceStr,
+          clientContext.getOrCreateYarnClient().getResourceTypeInfo());
     }
-    Resource workerResource = CliUtils.createResourceFromString(
-        workerResourceStr,
-        clientContext.getOrCreateYarnClient().getResourceTypeInfo());
 
     Resource psResource = null;
     if (nPS > 0) {
@@ -94,9 +100,19 @@ public class RunJobParameters extends RunParameters {
     }
 
     boolean tensorboard = false;
-    if (parsedCommandLine.getOptionValue(CliConstants.TENSORBOARD) != null) {
-      tensorboard = Boolean.parseBoolean(
-          parsedCommandLine.getOptionValue(CliConstants.TENSORBOARD));
+    if (parsedCommandLine.hasOption(CliConstants.TENSORBOARD)) {
+      tensorboard = true;
+      String tensorboardResourceStr = parsedCommandLine.getOptionValue(
+          CliConstants.TENSORBOARD_RESOURCES);
+      if (tensorboardResourceStr == null || tensorboardResourceStr.isEmpty()) {
+        tensorboardResourceStr = CliConstants.TENSORBOARD_DEFAULT_RESOURCES;
+      }
+      tensorboardResource = CliUtils.createResourceFromString(
+          tensorboardResourceStr,
+          clientContext.getOrCreateYarnClient().getResourceTypeInfo());
+      tensorboardDockerImage = parsedCommandLine.getOptionValue(
+          CliConstants.TENSORBOARD_DOCKER_IMAGE);
+      this.setTensorboardResource(tensorboardResource);
     }
 
     if (parsedCommandLine.hasOption(CliConstants.WAIT_JOB_FINISH)) {
@@ -115,7 +131,7 @@ public class RunJobParameters extends RunParameters {
 
     this.setInputPath(input).setCheckpointPath(jobDir).setNumPS(nPS).setNumWorkers(nWorkers)
         .setPSLaunchCmd(psLaunchCommand).setWorkerLaunchCmd(workerLaunchCmd)
-        .setPsResource(psResource).setWorkerResource(workerResource)
+        .setPsResource(psResource)
         .setTensorboardEnabled(tensorboard);
 
     super.updateParametersByParsedCommandline(parsedCommandLine,
@@ -219,4 +235,16 @@ public class RunJobParameters extends RunParameters {
   public boolean isDistributed() {
     return distributed;
   }
+
+  public Resource getTensorboardResource() {
+    return tensorboardResource;
+  }
+
+  public void setTensorboardResource(Resource tensorboardResource) {
+    this.tensorboardResource = tensorboardResource;
+  }
+
+  public String getTensorboardDockerImage() {
+    return tensorboardDockerImage;
+  }
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/1824d5d1/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/common/fs/DefaultRemoteDirectoryManager.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/common/fs/DefaultRemoteDirectoryManager.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/common/fs/DefaultRemoteDirectoryManager.java
index fe8956a..b2e2b41 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/common/fs/DefaultRemoteDirectoryManager.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/common/fs/DefaultRemoteDirectoryManager.java
@@ -14,6 +14,7 @@
 
 package org.apache.hadoop.yarn.submarine.common.fs;
 
+import org.apache.hadoop.fs.FileStatus;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.yarn.submarine.client.cli.CliConstants;
@@ -42,7 +43,10 @@ public class DefaultRemoteDirectoryManager implements RemoteDirectoryManager
{
     if (create) {
       createFolderIfNotExist(staging);
     }
-    return staging;
+
+    // Get a file status to make sure it is a absolute path.
+    FileStatus fStatus = fs.getFileStatus(staging);
+    return fStatus.getPath();
   }
 
   @Override
@@ -70,8 +74,21 @@ public class DefaultRemoteDirectoryManager implements RemoteDirectoryManager
{
     return fs;
   }
 
+  @Override
+  public Path getUserRootFolder() throws IOException {
+    Path rootPath = new Path("submarine", "jobs");
+    createFolderIfNotExist(rootPath);
+    // Get a file status to make sure it is a absolute path.
+    FileStatus fStatus = fs.getFileStatus(rootPath);
+    return fStatus.getPath();
+  }
+
   private Path getJobRootFolder(String jobName) throws IOException {
-    return new Path(new Path("submarine", "jobs"), jobName);
+    Path jobRootPath = getUserRootFolder();
+    createFolderIfNotExist(jobRootPath);
+    // Get a file status to make sure it is a absolute path.
+    FileStatus fStatus = fs.getFileStatus(jobRootPath);
+    return fStatus.getPath();
   }
 
   private void createFolderIfNotExist(Path path) throws IOException {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/1824d5d1/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/common/fs/RemoteDirectoryManager.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/common/fs/RemoteDirectoryManager.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/common/fs/RemoteDirectoryManager.java
index 132b314..ad0d428 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/common/fs/RemoteDirectoryManager.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/common/fs/RemoteDirectoryManager.java
@@ -27,4 +27,6 @@ public interface RemoteDirectoryManager {
   Path getModelDir(String modelName, boolean create) throws IOException;
 
   FileSystem getFileSystem() throws IOException;
-}
+
+  Path getUserRootFolder() throws IOException;
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/hadoop/blob/1824d5d1/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/runtimes/common/FSBasedSubmarineStorageImpl.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/runtimes/common/FSBasedSubmarineStorageImpl.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/runtimes/common/FSBasedSubmarineStorageImpl.java
index ebf9581..767fe78 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/runtimes/common/FSBasedSubmarineStorageImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/runtimes/common/FSBasedSubmarineStorageImpl.java
@@ -32,11 +32,9 @@ import java.util.Map;
  * A super naive FS-based storage.
  */
 public class FSBasedSubmarineStorageImpl extends SubmarineStorage {
-  ClientContext clientContext;
   RemoteDirectoryManager rdm;
 
   public FSBasedSubmarineStorageImpl(ClientContext clientContext) {
-    this.clientContext = clientContext;
     rdm = clientContext.getRemoteDirectoryManager();
   }
 
@@ -89,7 +87,7 @@ public class FSBasedSubmarineStorageImpl extends SubmarineStorage {
   private Map<String, String> deserializeMap(FSDataInputStream fis)
       throws IOException {
     ObjectInput oi = new ObjectInputStream(fis);
-    Map<String, String> newMap = null;
+    Map<String, String> newMap;
     try {
       newMap = (Map<String, String>) oi.readObject();
     } catch (ClassNotFoundException e) {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/1824d5d1/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/runtimes/yarnservice/YarnServiceJobSubmitter.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/runtimes/yarnservice/YarnServiceJobSubmitter.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/runtimes/yarnservice/YarnServiceJobSubmitter.java
index a2a2067..8fb213f 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/runtimes/yarnservice/YarnServiceJobSubmitter.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/runtimes/yarnservice/YarnServiceJobSubmitter.java
@@ -15,6 +15,7 @@
 package org.apache.hadoop.yarn.submarine.runtimes.yarnservice;
 
 import com.google.common.annotations.VisibleForTesting;
+import com.google.common.collect.ImmutableMap;
 import org.apache.hadoop.fs.FileStatus;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
@@ -59,6 +60,10 @@ public class YarnServiceJobSubmitter implements JobSubmitter {
   Service serviceSpec;
   private Set<Path> uploadedFiles = new HashSet<>();
 
+  // Used by testing
+  private Map<String, String> componentToLocalLaunchScriptPath =
+      new HashMap<>();
+
   public YarnServiceJobSubmitter(ClientContext clientContext) {
     this.clientContext = clientContext;
   }
@@ -186,6 +191,14 @@ public class YarnServiceJobSubmitter implements JobSubmitter {
     envs.put(Envs.TASK_TYPE_ENV, taskType.name());
   }
 
+  private String getUserName() {
+    return System.getProperty("user.name");
+  }
+
+  private String getDNSDomain() {
+    return clientContext.getYarnConfig().get("hadoop.registry.dns.domain-name");
+  }
+
   /*
    * Generate a command launch script on local disk, returns patch to the script
    */
@@ -194,50 +207,48 @@ public class YarnServiceJobSubmitter implements JobSubmitter {
     File file = File.createTempFile(taskType.name() + "-launch-script", ".sh");
     FileWriter fw = new FileWriter(file);
 
-    fw.append("#!/bin/bash\n");
-
-    addHdfsClassPathIfNeeded(parameters, fw, comp);
-
-    // For primary_worker
-    if (taskType == TaskType.PRIMARY_WORKER) {
-      // Do we need tensorboard?
-      if (parameters.isTensorboardEnabled()) {
-        int tensorboardPort = 6006;
-        // Run tensorboard at the background
-        fw.append(
-            "tensorboard --port " + tensorboardPort + " --logdir " + parameters
-                .getCheckpointPath() + " &\n");
-      }
-    }
-
-    // When distributed training is required
-    if (parameters.isDistributed()) {
-      // Generated TF_CONFIG
-      String tfConfigEnv = YarnServiceUtils.getTFConfigEnv(
-          taskType.getComponentName(), parameters.getNumWorkers(),
-          parameters.getNumPS(), parameters.getName(),
-          System.getProperty("user.name"),
-          clientContext.getYarnConfig().get("hadoop.registry.dns.domain-name"));
-      fw.append("export TF_CONFIG=\"" + tfConfigEnv + "\"\n");
-    }
+    try {
+      fw.append("#!/bin/bash\n");
 
-    // Print launch command
-    if (taskType.equals(TaskType.WORKER) || taskType.equals(
-        TaskType.PRIMARY_WORKER)) {
-      fw.append(parameters.getWorkerLaunchCmd() + '\n');
+      addHdfsClassPathIfNeeded(parameters, fw, comp);
 
-      if (SubmarineLogs.isVerbose()) {
-        LOG.info("Worker command =[" + parameters.getWorkerLaunchCmd() + "]");
-      }
-    } else if (taskType.equals(TaskType.PS)) {
-      fw.append(parameters.getPSLaunchCmd() + '\n');
+      if (taskType.equals(TaskType.TENSORBOARD)) {
+        String tbCommand =
+            "export LC_ALL=C && tensorboard --logdir=" + parameters
+                .getCheckpointPath();
+        fw.append(tbCommand + "\n");
+        LOG.info("Tensorboard command=" + tbCommand);
+      } else{
+        // When distributed training is required
+        if (parameters.isDistributed()) {
+          // Generated TF_CONFIG
+          String tfConfigEnv = YarnServiceUtils.getTFConfigEnv(
+              taskType.getComponentName(), parameters.getNumWorkers(),
+              parameters.getNumPS(), parameters.getName(), getUserName(),
+              getDNSDomain());
+          fw.append("export TF_CONFIG=\"" + tfConfigEnv + "\"\n");
+        }
 
-      if (SubmarineLogs.isVerbose()) {
-        LOG.info("PS command =[" + parameters.getPSLaunchCmd() + "]");
+        // Print launch command
+        if (taskType.equals(TaskType.WORKER) || taskType.equals(
+            TaskType.PRIMARY_WORKER)) {
+          fw.append(parameters.getWorkerLaunchCmd() + '\n');
+
+          if (SubmarineLogs.isVerbose()) {
+            LOG.info(
+                "Worker command =[" + parameters.getWorkerLaunchCmd() + "]");
+          }
+        } else if (taskType.equals(TaskType.PS)) {
+          fw.append(parameters.getPSLaunchCmd() + '\n');
+
+          if (SubmarineLogs.isVerbose()) {
+            LOG.info("PS command =[" + parameters.getPSLaunchCmd() + "]");
+          }
+        }
       }
+    } finally {
+      fw.close();
     }
-
-    fw.close();
     return file.getAbsolutePath();
   }
 
@@ -320,6 +331,8 @@ public class YarnServiceJobSubmitter implements JobSubmitter {
         destScriptFileName, component);
 
     component.setLaunchCommand("./" + destScriptFileName);
+    componentToLocalLaunchScriptPath.put(taskType.getComponentName(),
+        localScriptFile);
   }
 
   private void addWorkerComponent(Service service,
@@ -410,6 +423,7 @@ public class YarnServiceJobSubmitter implements JobSubmitter {
 
   private Service createServiceByParameters(RunJobParameters parameters)
       throws IOException {
+    componentToLocalLaunchScriptPath.clear();
     Service service = new Service();
     service.setName(parameters.getName());
     service.setVersion(String.valueOf(System.currentTimeMillis()));
@@ -417,7 +431,9 @@ public class YarnServiceJobSubmitter implements JobSubmitter {
 
     handleServiceEnvs(service, parameters);
 
-    addWorkerComponents(service, parameters);
+    if (parameters.getNumWorkers() > 0) {
+      addWorkerComponents(service, parameters);
+    }
 
     if (parameters.getNumPS() > 0) {
       Component psComponent = new Component();
@@ -436,6 +452,31 @@ public class YarnServiceJobSubmitter implements JobSubmitter {
       handleLaunchCommand(parameters, TaskType.PS, psComponent);
       service.addComponent(psComponent);
     }
+
+    if (parameters.isTensorboardEnabled()) {
+      Component tbComponent = new Component();
+      tbComponent.setName(TaskType.TENSORBOARD.getComponentName());
+      addCommonEnvironments(tbComponent, TaskType.TENSORBOARD);
+      tbComponent.setNumberOfContainers(1L);
+      tbComponent.setRestartPolicy(Component.RestartPolicyEnum.NEVER);
+      tbComponent.setResource(getServiceResourceFromYarnResource(
+          parameters.getTensorboardResource()));
+      if (parameters.getTensorboardDockerImage() != null) {
+        tbComponent.setArtifact(
+            getDockerArtifact(parameters.getTensorboardDockerImage()));
+      }
+
+      handleLaunchCommand(parameters, TaskType.TENSORBOARD, tbComponent);
+
+      // Add tensorboard to quicklink
+      String tensorboardLink = "http://" + YarnServiceUtils.getDNSName(
+          parameters.getName(), TaskType.TENSORBOARD.getComponentName(), 0,
+          getUserName(), getDNSDomain(), 6006);
+      LOG.info("Link to tensorboard:" + tensorboardLink);
+      service.addComponent(tbComponent);
+      service.setQuicklinks(ImmutableMap.of("Tensorboard", tensorboardLink));
+    }
+
     return service;
   }
 
@@ -458,4 +499,9 @@ public class YarnServiceJobSubmitter implements JobSubmitter {
   public Service getServiceSpec() {
     return serviceSpec;
   }
+
+  @VisibleForTesting
+  public Map<String, String> getComponentToLocalLaunchScriptPath() {
+    return componentToLocalLaunchScriptPath;
+  }
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/1824d5d1/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/runtimes/yarnservice/YarnServiceUtils.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/runtimes/yarnservice/YarnServiceUtils.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/runtimes/yarnservice/YarnServiceUtils.java
index f7ecc97..9238a67 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/runtimes/yarnservice/YarnServiceUtils.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/runtimes/yarnservice/YarnServiceUtils.java
@@ -40,10 +40,23 @@ public class YarnServiceUtils {
     YarnServiceUtils.stubServiceClient = stubServiceClient;
   }
 
+  public static String getDNSName(String serviceName, String componentName,
+      int index, String userName, String domain, int port) {
+    return componentName + "-" + index + getDNSNameCommonSuffix(serviceName,
+        userName, domain, port);
+  }
+
+  private static String getDNSNameCommonSuffix(String serviceName,
+      String userName, String domain, int port) {
+    String commonEndpointSuffix =
+        "." + serviceName + "." + userName + "." + domain + ":" + port;
+    return commonEndpointSuffix;
+  }
+
   public static String getTFConfigEnv(String curCommponentName, int nWorkers,
       int nPs, String serviceName, String userName, String domain) {
-    String commonEndpointSuffix =
-        "." + serviceName + "." + userName + "." + domain + ":8000";
+    String commonEndpointSuffix = getDNSNameCommonSuffix(serviceName, userName,
+        domain, 8000);
 
     String json = "{\\\"cluster\\\":{";
 
@@ -58,7 +71,14 @@ public class YarnServiceUtils {
             + " \\\"index\\\":" + '$' + Envs.TASK_INDEX_ENV + "},";
     String environment = "\\\"environment\\\":\\\"cloud\\\"}";
 
-    return json + master + worker + ps + task + environment;
+    StringBuilder sb = new StringBuilder();
+    sb.append(json);
+    sb.append(master);
+    sb.append(worker);
+    sb.append(ps);
+    sb.append(task);
+    sb.append(environment);
+    return sb.toString();
   }
 
   private static String getComponentArrayJson(String componentName, int count,

http://git-wip-us.apache.org/repos/asf/hadoop/blob/1824d5d1/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/test/java/org/apache/hadoop/yarn/submarine/client/cli/yarnservice/TestYarnServiceRunJobCli.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/test/java/org/apache/hadoop/yarn/submarine/client/cli/yarnservice/TestYarnServiceRunJobCli.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/test/java/org/apache/hadoop/yarn/submarine/client/cli/yarnservice/TestYarnServiceRunJobCli.java
index e1756b8..a88d673 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/test/java/org/apache/hadoop/yarn/submarine/client/cli/yarnservice/TestYarnServiceRunJobCli.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/test/java/org/apache/hadoop/yarn/submarine/client/cli/yarnservice/TestYarnServiceRunJobCli.java
@@ -19,6 +19,7 @@
 package org.apache.hadoop.yarn.submarine.client.cli.yarnservice;
 
 import org.apache.hadoop.yarn.api.records.ApplicationId;
+import org.apache.hadoop.yarn.api.records.Resource;
 import org.apache.hadoop.yarn.exceptions.YarnException;
 import org.apache.hadoop.yarn.service.api.records.Component;
 import org.apache.hadoop.yarn.service.api.records.Service;
@@ -32,11 +33,15 @@ import org.apache.hadoop.yarn.submarine.runtimes.common.StorageKeyConstants;
 import org.apache.hadoop.yarn.submarine.runtimes.common.SubmarineStorage;
 import org.apache.hadoop.yarn.submarine.runtimes.yarnservice.YarnServiceJobSubmitter;
 import org.apache.hadoop.yarn.submarine.runtimes.yarnservice.YarnServiceUtils;
+import org.apache.hadoop.yarn.util.resource.Resources;
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 
 import java.io.IOException;
+import java.nio.charset.Charset;
+import java.nio.file.Files;
+import java.nio.file.Paths;
 import java.util.Map;
 
 import static org.mockito.Matchers.any;
@@ -65,25 +70,8 @@ public class TestYarnServiceRunJobCli {
     return ((YarnServiceJobSubmitter) jobSubmitter).getServiceSpec();
   }
 
-  @Test
-  public void testBasicRunJobForDistributedTraining() throws Exception {
-    MockClientContext mockClientContext =
-        YarnServiceCliTestUtils.getMockClientContext();
-    RunJobCli runJobCli = new RunJobCli(mockClientContext);
-    Assert.assertFalse(SubmarineLogs.isVerbose());
-
-    runJobCli.run(
-        new String[] { "--name", "my-job", "--docker_image", "tf-docker:1.1.0",
-            "--input_path", "s3://input", "--checkpoint_path",
-            "s3://output", "--num_workers", "3", "--num_ps", "2",
-            "--worker_launch_cmd", "python run-job.py", "--worker_resources",
-            "memory=2048M,vcores=2", "--ps_resources", "memory=4096M,vcores=4",
-            "--tensorboard", "true", "--ps_docker_image", "ps.image",
-            "--worker_docker_image", "worker.image",
-            "--ps_launch_cmd", "python run-ps.py", "--verbose" });
-    Service serviceSpec = getServiceSpecFromJobSubmitter(
-        runJobCli.getJobSubmitter());
-    Assert.assertEquals(3, serviceSpec.getComponents().size());
+  private void commonVerifyDistributedTrainingSpec(Service serviceSpec)
+      throws Exception {
     Assert.assertTrue(
         serviceSpec.getComponent(TaskType.WORKER.getComponentName()) != null);
     Assert.assertTrue(
@@ -98,7 +86,7 @@ public class TestYarnServiceRunJobCli {
         primaryWorkerComp.getResource().getCpus().intValue());
 
     Component workerComp = serviceSpec.getComponent(
-       TaskType.WORKER.getComponentName());
+        TaskType.WORKER.getComponentName());
     Assert.assertEquals(2048, workerComp.getResource().calcMemoryMB());
     Assert.assertEquals(2, workerComp.getResource().getCpus().intValue());
 
@@ -110,8 +98,55 @@ public class TestYarnServiceRunJobCli {
     Assert.assertEquals("ps.image", psComp.getArtifact().getId());
 
     Assert.assertTrue(SubmarineLogs.isVerbose());
+  }
+
+  @Test
+  public void testBasicRunJobForDistributedTraining() throws Exception {
+    MockClientContext mockClientContext =
+        YarnServiceCliTestUtils.getMockClientContext();
+    RunJobCli runJobCli = new RunJobCli(mockClientContext);
+    Assert.assertFalse(SubmarineLogs.isVerbose());
 
-    // TODO, ADD TEST TO USE SERVICE CLIENT TO VALIDATE THE JSON SPEC
+    runJobCli.run(
+        new String[] { "--name", "my-job", "--docker_image", "tf-docker:1.1.0",
+            "--input_path", "s3://input", "--checkpoint_path", "s3://output",
+            "--num_workers", "3", "--num_ps", "2", "--worker_launch_cmd",
+            "python run-job.py", "--worker_resources", "memory=2048M,vcores=2",
+            "--ps_resources", "memory=4096M,vcores=4", "--ps_docker_image",
+            "ps.image", "--worker_docker_image", "worker.image",
+            "--ps_launch_cmd", "python run-ps.py", "--verbose" });
+    Service serviceSpec = getServiceSpecFromJobSubmitter(
+        runJobCli.getJobSubmitter());
+    Assert.assertEquals(3, serviceSpec.getComponents().size());
+
+    commonVerifyDistributedTrainingSpec(serviceSpec);
+  }
+
+  @Test
+  public void testBasicRunJobForDistributedTrainingWithTensorboard()
+      throws Exception {
+    MockClientContext mockClientContext =
+        YarnServiceCliTestUtils.getMockClientContext();
+    RunJobCli runJobCli = new RunJobCli(mockClientContext);
+    Assert.assertFalse(SubmarineLogs.isVerbose());
+
+    runJobCli.run(
+        new String[] { "--name", "my-job", "--docker_image", "tf-docker:1.1.0",
+            "--input_path", "s3://input", "--checkpoint_path", "s3://output",
+            "--num_workers", "3", "--num_ps", "2", "--worker_launch_cmd",
+            "python run-job.py", "--worker_resources", "memory=2048M,vcores=2",
+            "--ps_resources", "memory=4096M,vcores=4", "--ps_docker_image",
+            "ps.image", "--worker_docker_image", "worker.image",
+            "--tensorboard", "--ps_launch_cmd", "python run-ps.py",
+            "--verbose" });
+    Service serviceSpec = getServiceSpecFromJobSubmitter(
+        runJobCli.getJobSubmitter());
+    Assert.assertEquals(4, serviceSpec.getComponents().size());
+
+    commonVerifyDistributedTrainingSpec(serviceSpec);
+
+    verifyTensorboardComponent(runJobCli, serviceSpec,
+        Resources.createResource(4096, 1));
   }
 
   @Test
@@ -123,13 +158,84 @@ public class TestYarnServiceRunJobCli {
 
     runJobCli.run(
         new String[] { "--name", "my-job", "--docker_image", "tf-docker:1.1.0",
-            "--input_path", "s3://input", "--checkpoint_path",
-            "s3://output", "--num_workers", "1", "--worker_launch_cmd",
-            "python run-job.py", "--worker_resources", "memory=2G,vcores=2",
-            "--tensorboard", "true", "--verbose" });
+            "--input_path", "s3://input", "--checkpoint_path", "s3://output",
+            "--num_workers", "1", "--worker_launch_cmd", "python run-job.py",
+            "--worker_resources", "memory=2G,vcores=2", "--verbose" });
+
+    Service serviceSpec = getServiceSpecFromJobSubmitter(
+        runJobCli.getJobSubmitter());
+    Assert.assertEquals(1, serviceSpec.getComponents().size());
+
+    commonTestSingleNodeTraining(serviceSpec);
+  }
+
+  @Test
+  public void testTensorboardOnlyService() throws Exception {
+    MockClientContext mockClientContext =
+        YarnServiceCliTestUtils.getMockClientContext();
+    RunJobCli runJobCli = new RunJobCli(mockClientContext);
+    Assert.assertFalse(SubmarineLogs.isVerbose());
+
+    runJobCli.run(
+        new String[] { "--name", "my-job", "--docker_image", "tf-docker:1.1.0",
+            "--input_path", "s3://input", "--checkpoint_path", "s3://output",
+            "--num_workers", "0", "--tensorboard", "--verbose" });
+
+    Service serviceSpec = getServiceSpecFromJobSubmitter(
+        runJobCli.getJobSubmitter());
+    Assert.assertEquals(1, serviceSpec.getComponents().size());
+
+    verifyTensorboardComponent(runJobCli, serviceSpec,
+        Resources.createResource(4096, 1));
+  }
+
+  @Test
+  public void testTensorboardOnlyServiceWithCustomizedDockerImageAndResourceCkptPath()
+      throws Exception {
+    MockClientContext mockClientContext =
+        YarnServiceCliTestUtils.getMockClientContext();
+    RunJobCli runJobCli = new RunJobCli(mockClientContext);
+    Assert.assertFalse(SubmarineLogs.isVerbose());
+
+    runJobCli.run(
+        new String[] { "--name", "my-job", "--docker_image", "tf-docker:1.1.0",
+            "--input_path", "s3://input", "--checkpoint_path", "s3://output",
+            "--num_workers", "0", "--tensorboard", "--verbose",
+            "--tensorboard_resources", "memory=2G,vcores=2",
+            "--tensorboard_docker_image", "tb_docker_image:001" });
+
+    Service serviceSpec = getServiceSpecFromJobSubmitter(
+        runJobCli.getJobSubmitter());
+    Assert.assertEquals(1, serviceSpec.getComponents().size());
+
+    verifyTensorboardComponent(runJobCli, serviceSpec,
+        Resources.createResource(2048, 2));
+  }
+
+  @Test
+  public void testTensorboardOnlyServiceWithCustomizedDockerImageAndResource()
+      throws Exception {
+    MockClientContext mockClientContext =
+        YarnServiceCliTestUtils.getMockClientContext();
+    RunJobCli runJobCli = new RunJobCli(mockClientContext);
+    Assert.assertFalse(SubmarineLogs.isVerbose());
+
+    runJobCli.run(
+        new String[] { "--name", "my-job", "--docker_image", "tf-docker:1.1.0",
+            "--num_workers", "0", "--tensorboard", "--verbose",
+            "--tensorboard_resources", "memory=2G,vcores=2",
+            "--tensorboard_docker_image", "tb_docker_image:001" });
+
     Service serviceSpec = getServiceSpecFromJobSubmitter(
         runJobCli.getJobSubmitter());
     Assert.assertEquals(1, serviceSpec.getComponents().size());
+
+    verifyTensorboardComponent(runJobCli, serviceSpec,
+        Resources.createResource(2048, 2));
+  }
+
+  private void commonTestSingleNodeTraining(Service serviceSpec)
+      throws Exception {
     Assert.assertTrue(
         serviceSpec.getComponent(TaskType.PRIMARY_WORKER.getComponentName())
             != null);
@@ -140,8 +246,110 @@ public class TestYarnServiceRunJobCli {
         primaryWorkerComp.getResource().getCpus().intValue());
 
     Assert.assertTrue(SubmarineLogs.isVerbose());
+  }
+
+  private void verifyTensorboardComponent(RunJobCli runJobCli,
+      Service serviceSpec, Resource resource) throws Exception {
+    Assert.assertTrue(
+        serviceSpec.getComponent(TaskType.TENSORBOARD.getComponentName())
+            != null);
+    Component tensorboardComp = serviceSpec.getComponent(
+        TaskType.TENSORBOARD.getComponentName());
+    Assert.assertEquals(1, tensorboardComp.getNumberOfContainers().intValue());
+    Assert.assertEquals(resource.getMemorySize(),
+        tensorboardComp.getResource().calcMemoryMB());
+    Assert.assertEquals(resource.getVirtualCores(),
+        tensorboardComp.getResource().getCpus().intValue());
+
+    Assert.assertEquals("./run-TENSORBOARD.sh",
+        tensorboardComp.getLaunchCommand());
+
+    // Check docker image
+    if (runJobCli.getRunJobParameters().getTensorboardDockerImage() != null) {
+      Assert.assertEquals(
+          runJobCli.getRunJobParameters().getTensorboardDockerImage(),
+          tensorboardComp.getArtifact().getId());
+    } else{
+      Assert.assertNull(tensorboardComp.getArtifact());
+    }
+
+    YarnServiceJobSubmitter yarnServiceJobSubmitter =
+        (YarnServiceJobSubmitter) runJobCli.getJobSubmitter();
+
+    String expectedLaunchScript =
+        "#!/bin/bash\n" + "echo \"CLASSPATH:$CLASSPATH\"\n"
+            + "echo \"HADOOP_CONF_DIR:$HADOOP_CONF_DIR\"\n"
+            + "echo \"HADOOP_TOKEN_FILE_LOCATION:$HADOOP_TOKEN_FILE_LOCATION\"\n"
+            + "echo \"JAVA_HOME:$JAVA_HOME\"\n"
+            + "echo \"LD_LIBRARY_PATH:$LD_LIBRARY_PATH\"\n"
+            + "echo \"HADOOP_HDFS_HOME:$HADOOP_HDFS_HOME\"\n"
+            + "export LC_ALL=C && tensorboard --logdir=" + runJobCli
+            .getRunJobParameters().getCheckpointPath() + "\n";
+
+    verifyLaunchScriptForComponet(yarnServiceJobSubmitter, serviceSpec,
+        TaskType.TENSORBOARD, expectedLaunchScript);
+  }
+
+  private void verifyLaunchScriptForComponet(
+      YarnServiceJobSubmitter yarnServiceJobSubmitter, Service serviceSpec,
+      TaskType taskType, String expectedLaunchScriptContent) throws Exception {
+    Map<String, String> componentToLocalLaunchScriptMap =
+        yarnServiceJobSubmitter.getComponentToLocalLaunchScriptPath();
+
+    String path = componentToLocalLaunchScriptMap.get(
+        taskType.getComponentName());
+
+    byte[] encoded = Files.readAllBytes(Paths.get(path));
+    String scriptContent = new String(encoded, Charset.defaultCharset());
+
+    Assert.assertEquals(expectedLaunchScriptContent, scriptContent);
+  }
+
+  @Test
+  public void testBasicRunJobForSingleNodeTrainingWithTensorboard()
+      throws Exception {
+    MockClientContext mockClientContext =
+        YarnServiceCliTestUtils.getMockClientContext();
+    RunJobCli runJobCli = new RunJobCli(mockClientContext);
+    Assert.assertFalse(SubmarineLogs.isVerbose());
+
+    runJobCli.run(
+        new String[] { "--name", "my-job", "--docker_image", "tf-docker:1.1.0",
+            "--input_path", "s3://input", "--checkpoint_path", "s3://output",
+            "--num_workers", "1", "--worker_launch_cmd", "python run-job.py",
+            "--worker_resources", "memory=2G,vcores=2", "--tensorboard",
+            "--verbose" });
+    Service serviceSpec = getServiceSpecFromJobSubmitter(
+        runJobCli.getJobSubmitter());
+
+    Assert.assertEquals(2, serviceSpec.getComponents().size());
+
+    commonTestSingleNodeTraining(serviceSpec);
+    verifyTensorboardComponent(runJobCli, serviceSpec,
+        Resources.createResource(4096, 1));
+  }
+
+  @Test
+  public void testBasicRunJobForSingleNodeTrainingWithGeneratedCheckpoint()
+      throws Exception {
+    MockClientContext mockClientContext =
+        YarnServiceCliTestUtils.getMockClientContext();
+    RunJobCli runJobCli = new RunJobCli(mockClientContext);
+    Assert.assertFalse(SubmarineLogs.isVerbose());
+
+    runJobCli.run(
+        new String[] { "--name", "my-job", "--docker_image", "tf-docker:1.1.0",
+            "--input_path", "s3://input", "--num_workers", "1",
+            "--worker_launch_cmd", "python run-job.py", "--worker_resources",
+            "memory=2G,vcores=2", "--tensorboard", "--verbose" });
+    Service serviceSpec = getServiceSpecFromJobSubmitter(
+        runJobCli.getJobSubmitter());
+
+    Assert.assertEquals(2, serviceSpec.getComponents().size());
 
-    // TODO, ADD TEST TO USE SERVICE CLIENT TO VALIDATE THE JSON SPEC
+    commonTestSingleNodeTraining(serviceSpec);
+    verifyTensorboardComponent(runJobCli, serviceSpec,
+        Resources.createResource(4096, 1));
   }
 
   @Test
@@ -153,10 +361,10 @@ public class TestYarnServiceRunJobCli {
 
     runJobCli.run(
         new String[] { "--name", "my-job", "--docker_image", "tf-docker:1.1.0",
-            "--input_path", "s3://input", "--checkpoint_path",
-            "s3://output", "--num_workers", "1", "--worker_launch_cmd",
-            "python run-job.py", "--worker_resources", "memory=2G,vcores=2",
-            "--tensorboard", "true", "--verbose" });
+            "--input_path", "s3://input", "--checkpoint_path", "s3://output",
+            "--num_workers", "1", "--worker_launch_cmd", "python run-job.py",
+            "--worker_resources", "memory=2G,vcores=2", "--tensorboard", "true",
+            "--verbose" });
     SubmarineStorage storage =
         mockClientContext.getRuntimeFactory().getSubmarineStorage();
     Map<String, String> jobInfo = storage.getJobInfoByName("my-job");

http://git-wip-us.apache.org/repos/asf/hadoop/blob/1824d5d1/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/test/java/org/apache/hadoop/yarn/submarine/common/fs/MockRemoteDirectoryManager.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/test/java/org/apache/hadoop/yarn/submarine/common/fs/MockRemoteDirectoryManager.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/test/java/org/apache/hadoop/yarn/submarine/common/fs/MockRemoteDirectoryManager.java
index a195b59..b637036 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/test/java/org/apache/hadoop/yarn/submarine/common/fs/MockRemoteDirectoryManager.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/test/java/org/apache/hadoop/yarn/submarine/common/fs/MockRemoteDirectoryManager.java
@@ -53,7 +53,7 @@ public class MockRemoteDirectoryManager implements RemoteDirectoryManager
{
   @Override
   public Path getJobCheckpointDir(String jobName, boolean create)
       throws IOException {
-    return null;
+    return new Path("s3://generated_checkpoint_dir");
   }
 
   @Override
@@ -80,4 +80,9 @@ public class MockRemoteDirectoryManager implements RemoteDirectoryManager
{
   public FileSystem getFileSystem() throws IOException {
     return FileSystem.getLocal(new Configuration());
   }
+
+  @Override
+  public Path getUserRootFolder() throws IOException {
+    return new Path("s3://generated_root_dir");
+  }
 }


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