YARN-1713. Added get-new-app and submit-app functionality to RM web services. Contributed by Varun Vasudev.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1607216 13f79535-47bb-0310-9956-ffa450edef68

hadoop-yarn-project/CHANGES.txt

@@ -51,6 +51,9 @@ Release 2.5.0 - UNRELEASED
     YARN-2052. Embedded an epoch number in container id to ensure the uniqueness
     of container id after RM restarts. (Tsuyoshi OZAWA via jianhe)
 
+    YARN-1713. Added get-new-app and submit-app functionality to RM web services.
+    (Varun Vasudev via vinodkv)
+
   IMPROVEMENTS
 
     YARN-1479. Invalid NaN values in Hadoop REST API JSON response (Chen He via

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ApplicationSubmissionContext.java

@@ -88,7 +88,7 @@ public abstract class ApplicationSubmissionContext {
       int maxAppAttempts, Resource resource, String applicationType) {
     return newInstance(applicationId, applicationName, queue, priority,
       amContainer, isUnmanagedAM, cancelTokensWhenComplete, maxAppAttempts,
-      resource, null, false);
+      resource, applicationType, false);
   }
 
   @Public

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/webapp/GenericExceptionHandler.java

@@ -21,10 +21,12 @@ import java.io.FileNotFoundException;
 import java.io.IOException;
 
 import javax.servlet.http.HttpServletResponse;
+import javax.ws.rs.WebApplicationException;
 import javax.ws.rs.core.Context;
 import javax.ws.rs.core.Response;
 import javax.ws.rs.ext.ExceptionMapper;
 import javax.ws.rs.ext.Provider;
+import javax.xml.bind.UnmarshalException;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
@@ -87,6 +89,9 @@ public class GenericExceptionHandler implements ExceptionMapper<Exception> {
       s = Response.Status.BAD_REQUEST;
     } else if (e instanceof BadRequestException) {
       s = Response.Status.BAD_REQUEST;
+    } else if (e instanceof WebApplicationException
+        && e.getCause() instanceof UnmarshalException) {
+      s = Response.Status.BAD_REQUEST;
     } else {
       LOG.warn("INTERNAL_SERVER_ERROR", e);
       s = Response.Status.INTERNAL_SERVER_ERROR;

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RMWebServices.java

@@ -21,6 +21,7 @@ package org.apache.hadoop.yarn.server.resourcemanager.webapp;
 import java.io.IOException;
 import java.lang.reflect.UndeclaredThrowableException;
 import java.security.AccessControlException;
+import java.nio.ByteBuffer;
 import java.security.PrivilegedExceptionAction;
 import java.util.Arrays;
 import java.util.Collection;
@@ -36,6 +37,7 @@ import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import javax.ws.rs.Consumes;
 import javax.ws.rs.GET;
+import javax.ws.rs.POST;
 import javax.ws.rs.PUT;
 import javax.ws.rs.Path;
 import javax.ws.rs.PathParam;
@@ -47,22 +49,38 @@ import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.Response;
 import javax.ws.rs.core.Response.Status;
 
+import org.apache.commons.codec.binary.Base64;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.io.DataOutputBuffer;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.security.Credentials;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.security.authorize.AuthorizationException;
+import org.apache.hadoop.security.token.Token;
+import org.apache.hadoop.security.token.TokenIdentifier;
 import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationsRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.GetNewApplicationRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.GetNewApplicationResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationResponse;
+import org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationResponse;
 import org.apache.hadoop.yarn.api.records.ApplicationAccessType;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
+import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
+import org.apache.hadoop.yarn.api.records.ContainerLaunchContext;
 import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
+import org.apache.hadoop.yarn.api.records.LocalResource;
 import org.apache.hadoop.yarn.api.records.NodeId;
 import org.apache.hadoop.yarn.api.records.NodeState;
+import org.apache.hadoop.yarn.api.records.Priority;
 import org.apache.hadoop.yarn.api.records.QueueACL;
+import org.apache.hadoop.yarn.api.records.Resource;
 import org.apache.hadoop.yarn.api.records.YarnApplicationState;
+import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.exceptions.YarnException;
 import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
 import org.apache.hadoop.yarn.factories.RecordFactory;
@@ -81,17 +99,22 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairSchedule
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppAttemptInfo;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppAttemptsInfo;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.NewApplication;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppInfo;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppState;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ApplicationSubmissionContextInfo;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ApplicationStatisticsInfo;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppsInfo;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.CapacitySchedulerInfo;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ClusterInfo;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ClusterMetricsInfo;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.CredentialsInfo;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.FairSchedulerInfo;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.FifoSchedulerInfo;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.LocalResourceInfo;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.NodeInfo;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.NodesInfo;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ResourceInfo;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.SchedulerInfo;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.SchedulerTypeInfo;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.StatisticsItemInfo;
@@ -758,4 +781,256 @@ public class RMWebServices {
 
     return callerUGI;
   }
+
+  /**
+   * Generates a new ApplicationId which is then sent to the client
+   * 
+   * @param hsr
+   *          the servlet request
+   * @return Response containing the app id and the maximum resource
+   *         capabilities
+   * @throws AuthorizationException
+   * @throws IOException
+   * @throws InterruptedException
+   */
+  @POST
+  @Path("/apps/new-application")
+  @Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
+  public Response createNewApplication(@Context HttpServletRequest hsr)
+      throws AuthorizationException, IOException, InterruptedException {
+    init();
+    UserGroupInformation callerUGI = getCallerUserGroupInformation(hsr);
+    if (callerUGI == null) {
+      throw new AuthorizationException("Unable to obtain user name, "
+          + "user not authenticated");
+    }
+
+    NewApplication appId = createNewApplication();
+    return Response.status(Status.OK).entity(appId).build();
+
+  }
+
+  // reuse the code in ClientRMService to create new app
+  // get the new app id and submit app
+  // set location header with new app location
+  /**
+   * Function to submit an app to the RM
+   * 
+   * @param newApp
+   *          structure containing information to construct the
+   *          ApplicationSubmissionContext
+   * @param hsr
+   *          the servlet request
+   * @return Response containing the status code
+   * @throws AuthorizationException
+   * @throws IOException
+   * @throws InterruptedException
+   */
+  @POST
+  @Path("/apps")
+  @Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
+  @Consumes({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
+  public Response submitApplication(ApplicationSubmissionContextInfo newApp,
+      @Context HttpServletRequest hsr) throws AuthorizationException,
+      IOException, InterruptedException {
+
+    init();
+    UserGroupInformation callerUGI = getCallerUserGroupInformation(hsr);
+    if (callerUGI == null) {
+      throw new AuthorizationException("Unable to obtain user name, "
+          + "user not authenticated");
+    }
+
+    ApplicationSubmissionContext appContext =
+        createAppSubmissionContext(newApp);
+    final SubmitApplicationRequest req =
+        SubmitApplicationRequest.newInstance(appContext);
+
+    try {
+      callerUGI
+        .doAs(new PrivilegedExceptionAction<SubmitApplicationResponse>() {
+          @Override
+          public SubmitApplicationResponse run() throws IOException,
+              YarnException {
+            return rm.getClientRMService().submitApplication(req);
+          }
+        });
+    } catch (UndeclaredThrowableException ue) {
+      if (ue.getCause() instanceof YarnException) {
+        throw new BadRequestException(ue.getCause().getMessage());
+      }
+      LOG.info("Submit app request failed", ue);
+      throw ue;
+    }
+
+    String url = hsr.getRequestURL() + "/" + newApp.getApplicationId();
+    return Response.status(Status.ACCEPTED).header(HttpHeaders.LOCATION, url)
+      .build();
+  }
+
+  /**
+   * Function that actually creates the ApplicationId by calling the
+   * ClientRMService
+   * 
+   * @return returns structure containing the app-id and maximum resource
+   *         capabilities
+   */
+  private NewApplication createNewApplication() {
+    GetNewApplicationRequest req =
+        recordFactory.newRecordInstance(GetNewApplicationRequest.class);
+    GetNewApplicationResponse resp;
+    try {
+      resp = rm.getClientRMService().getNewApplication(req);
+    } catch (YarnException e) {
+      String msg = "Unable to create new app from RM web service";
+      LOG.error(msg, e);
+      throw new YarnRuntimeException(msg, e);
+    }
+    NewApplication appId =
+        new NewApplication(resp.getApplicationId().toString(), new ResourceInfo(
+          resp.getMaximumResourceCapability()));
+    return appId;
+  }
+
+  /**
+   * Create the actual ApplicationSubmissionContext to be submitted to the RM
+   * from the information provided by the user.
+   * 
+   * @param newApp
+   *          the information provided by the user
+   * @return returns the constructed ApplicationSubmissionContext
+   * @throws IOException
+   */
+  protected ApplicationSubmissionContext createAppSubmissionContext(
+      ApplicationSubmissionContextInfo newApp) throws IOException {
+
+    // create local resources and app submission context
+
+    ApplicationId appid;
+    String error =
+        "Could not parse application id " + newApp.getApplicationId();
+    try {
+      appid =
+          ConverterUtils.toApplicationId(recordFactory,
+            newApp.getApplicationId());
+    } catch (Exception e) {
+      throw new BadRequestException(error);
+    }
+    ApplicationSubmissionContext appContext =
+        ApplicationSubmissionContext.newInstance(appid,
+          newApp.getApplicationName(), newApp.getQueue(),
+          Priority.newInstance(newApp.getPriority()),
+          createContainerLaunchContext(newApp), newApp.getUnmanagedAM(),
+          newApp.getCancelTokensWhenComplete(), newApp.getMaxAppAttempts(),
+          createAppSubmissionContextResource(newApp),
+          newApp.getApplicationType(),
+          newApp.getKeepContainersAcrossApplicationAttempts());
+    appContext.setApplicationTags(newApp.getApplicationTags());
+
+    return appContext;
+  }
+
+  protected Resource createAppSubmissionContextResource(
+      ApplicationSubmissionContextInfo newApp) throws BadRequestException {
+    if (newApp.getResource().getvCores() > rm.getConfig().getInt(
+      YarnConfiguration.RM_SCHEDULER_MAXIMUM_ALLOCATION_VCORES,
+      YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_VCORES)) {
+      String msg = "Requested more cores than configured max";
+      throw new BadRequestException(msg);
+    }
+    if (newApp.getResource().getMemory() > rm.getConfig().getInt(
+      YarnConfiguration.RM_SCHEDULER_MAXIMUM_ALLOCATION_MB,
+      YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_MB)) {
+      String msg = "Requested more memory than configured max";
+      throw new BadRequestException(msg);
+    }
+    Resource r =
+        Resource.newInstance(newApp.getResource().getMemory(), newApp
+          .getResource().getvCores());
+    return r;
+  }
+
+  /**
+   * Create the ContainerLaunchContext required for the
+   * ApplicationSubmissionContext. This function takes the user information and
+   * generates the ByteBuffer structures required by the ContainerLaunchContext
+   * 
+   * @param newApp
+   *          the information provided by the user
+   * @return
+   * @throws BadRequestException
+   * @throws IOException
+   */
+  protected ContainerLaunchContext createContainerLaunchContext(
+      ApplicationSubmissionContextInfo newApp) throws BadRequestException, IOException {
+
+    // create container launch context
+
+    HashMap<String, ByteBuffer> hmap = new HashMap<String, ByteBuffer>();
+    for (Map.Entry<String, String> entry : newApp
+      .getContainerLaunchContextInfo().getAuxillaryServiceData().entrySet()) {
+      if (entry.getValue().isEmpty() == false) {
+        Base64 decoder = new Base64(0, null, true);
+        byte[] data = decoder.decode(entry.getValue());
+        hmap.put(entry.getKey(), ByteBuffer.wrap(data));
+      }
+    }
+
+    HashMap<String, LocalResource> hlr = new HashMap<String, LocalResource>();
+    for (Map.Entry<String, LocalResourceInfo> entry : newApp
+      .getContainerLaunchContextInfo().getResources().entrySet()) {
+      LocalResourceInfo l = entry.getValue();
+      LocalResource lr =
+          LocalResource.newInstance(
+            ConverterUtils.getYarnUrlFromURI(l.getUrl()), l.getType(),
+            l.getVisibility(), l.getSize(), l.getTimestamp());
+      hlr.put(entry.getKey(), lr);
+    }
+
+    DataOutputBuffer out = new DataOutputBuffer();
+    Credentials cs =
+        createCredentials(newApp.getContainerLaunchContextInfo()
+          .getCredentials());
+    cs.writeTokenStorageToStream(out);
+    ByteBuffer tokens = ByteBuffer.wrap(out.getData());
+
+    ContainerLaunchContext ctx =
+        ContainerLaunchContext.newInstance(hlr, newApp
+          .getContainerLaunchContextInfo().getEnvironment(), newApp
+          .getContainerLaunchContextInfo().getCommands(), hmap, tokens, newApp
+          .getContainerLaunchContextInfo().getAcls());
+
+    return ctx;
+  }
+
+  /**
+   * Generate a Credentials object from the information in the CredentialsInfo
+   * object.
+   * 
+   * @param credentials
+   *          the CredentialsInfo provided by the user.
+   * @return
+   */
+  private Credentials createCredentials(CredentialsInfo credentials) {
+    Credentials ret = new Credentials();
+    try {
+      for (Map.Entry<String, String> entry : credentials.getTokens().entrySet()) {
+        Text alias = new Text(entry.getKey());
+        Token<TokenIdentifier> token = new Token<TokenIdentifier>();
+        token.decodeFromUrlString(entry.getValue());
+        ret.addToken(alias, token);
+      }
+      for (Map.Entry<String, String> entry : credentials.getTokens().entrySet()) {
+        Text alias = new Text(entry.getKey());
+        Base64 decoder = new Base64(0, null, true);
+        byte[] secret = decoder.decode(entry.getValue());
+        ret.addSecretKey(alias, secret);
+      }
+    } catch (IOException ie) {
+      throw new BadRequestException(
+        "Could not parse credentials data; exception message = "
+            + ie.getMessage());
+    }
+    return ret;
+  }
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/ApplicationSubmissionContextInfo.java

@@ -0,0 +1,186 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.resourcemanager.webapp.dao;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlElementWrapper;
+import javax.xml.bind.annotation.XmlRootElement;
+
+import org.apache.hadoop.yarn.api.records.Priority;
+
+/**
+ * Simple class to allow users to send information required to create an
+ * ApplicationSubmissionContext which can then be used to submit an app
+ * 
+ */
+@XmlRootElement(name = "application-submission-context")
+@XmlAccessorType(XmlAccessType.FIELD)
+public class ApplicationSubmissionContextInfo {
+
+  @XmlElement(name = "application-id")
+  String applicationId;
+
+  @XmlElement(name = "application-name")
+  String applicationName;
+
+  String queue;
+  int priority;
+
+  @XmlElement(name = "am-container-spec")
+  ContainerLaunchContextInfo containerInfo;
+
+  @XmlElement(name = "unmanaged-AM")
+  boolean isUnmanagedAM;
+
+  @XmlElement(name = "cancel-tokens-when-complete")
+  boolean cancelTokensWhenComplete;
+
+  @XmlElement(name = "max-app-attempts")
+  int maxAppAttempts;
+
+  @XmlElement(name = "resource")
+  ResourceInfo resource;
+
+  @XmlElement(name = "application-type")
+  String applicationType;
+
+  @XmlElement(name = "keep-containers-across-application-attempts")
+  boolean keepContainers;
+
+  @XmlElementWrapper(name = "application-tags")
+  @XmlElement(name = "tag")
+  Set<String> tags;
+
+  public ApplicationSubmissionContextInfo() {
+    applicationId = "";
+    applicationName = "";
+    containerInfo = new ContainerLaunchContextInfo();
+    resource = new ResourceInfo();
+    priority = Priority.UNDEFINED.getPriority();
+    isUnmanagedAM = false;
+    cancelTokensWhenComplete = true;
+    keepContainers = false;
+    applicationType = "";
+    tags = new HashSet<String>();
+  }
+
+  public String getApplicationId() {
+    return applicationId;
+  }
+
+  public String getApplicationName() {
+    return applicationName;
+  }
+
+  public String getQueue() {
+    return queue;
+  }
+
+  public int getPriority() {
+    return priority;
+  }
+
+  public ContainerLaunchContextInfo getContainerLaunchContextInfo() {
+    return containerInfo;
+  }
+
+  public boolean getUnmanagedAM() {
+    return isUnmanagedAM;
+  }
+
+  public boolean getCancelTokensWhenComplete() {
+    return cancelTokensWhenComplete;
+  }
+
+  public int getMaxAppAttempts() {
+    return maxAppAttempts;
+  }
+
+  public ResourceInfo getResource() {
+    return resource;
+  }
+
+  public String getApplicationType() {
+    return applicationType;
+  }
+
+  public boolean getKeepContainersAcrossApplicationAttempts() {
+    return keepContainers;
+  }
+
+  public Set<String> getApplicationTags() {
+    return tags;
+  }
+
+  public void setApplicationId(String applicationId) {
+    this.applicationId = applicationId;
+  }
+
+  public void setApplicationName(String applicationName) {
+    this.applicationName = applicationName;
+  }
+
+  public void setQueue(String queue) {
+    this.queue = queue;
+  }
+
+  public void setPriority(int priority) {
+    this.priority = priority;
+  }
+
+  public void setContainerLaunchContextInfo(
+      ContainerLaunchContextInfo containerLaunchContext) {
+    this.containerInfo = containerLaunchContext;
+  }
+
+  public void setUnmanagedAM(boolean isUnmanagedAM) {
+    this.isUnmanagedAM = isUnmanagedAM;
+  }
+
+  public void setCancelTokensWhenComplete(boolean cancelTokensWhenComplete) {
+    this.cancelTokensWhenComplete = cancelTokensWhenComplete;
+  }
+
+  public void setMaxAppAttempts(int maxAppAttempts) {
+    this.maxAppAttempts = maxAppAttempts;
+  }
+
+  public void setResource(ResourceInfo resource) {
+    this.resource = resource;
+  }
+
+  public void setApplicationType(String applicationType) {
+    this.applicationType = applicationType;
+  }
+
+  public void
+      setKeepContainersAcrossApplicationAttempts(boolean keepContainers) {
+    this.keepContainers = keepContainers;
+  }
+
+  public void setApplicationTags(Set<String> tags) {
+    this.tags = tags;
+  }
+
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/ContainerLaunchContextInfo.java

@@ -0,0 +1,117 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.resourcemanager.webapp.dao;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlElementWrapper;
+import javax.xml.bind.annotation.XmlRootElement;
+
+import org.apache.hadoop.yarn.api.records.ApplicationAccessType;
+
+/**
+ * Simple class to allow users to send information required to create a
+ * ContainerLaunchContext which can then be used as part of the
+ * ApplicationSubmissionContext
+ * 
+ */
+@XmlRootElement(name = "container-launch-context-info")
+@XmlAccessorType(XmlAccessType.FIELD)
+public class ContainerLaunchContextInfo {
+
+  @XmlElementWrapper(name = "local-resources")
+  HashMap<String, LocalResourceInfo> local_resources;
+  HashMap<String, String> environment;
+
+  @XmlElementWrapper(name = "commands")
+  @XmlElement(name = "command", type = String.class)
+  List<String> commands;
+
+  @XmlElementWrapper(name = "service-data")
+  HashMap<String, String> servicedata;
+
+  @XmlElement(name = "credentials")
+  CredentialsInfo credentials;
+
+  @XmlElementWrapper(name = "application-acls")
+  HashMap<ApplicationAccessType, String> acls;
+
+  public ContainerLaunchContextInfo() {
+    local_resources = new HashMap<String, LocalResourceInfo>();
+    environment = new HashMap<String, String>();
+    commands = new ArrayList<String>();
+    servicedata = new HashMap<String, String>();
+    credentials = new CredentialsInfo();
+    acls = new HashMap<ApplicationAccessType, String>();
+  }
+
+  public Map<String, LocalResourceInfo> getResources() {
+    return local_resources;
+  }
+
+  public Map<String, String> getEnvironment() {
+    return environment;
+  }
+
+  public List<String> getCommands() {
+    return commands;
+  }
+
+  public Map<String, String> getAuxillaryServiceData() {
+    return servicedata;
+  }
+
+  public CredentialsInfo getCredentials() {
+    return credentials;
+  }
+
+  public Map<ApplicationAccessType, String> getAcls() {
+    return acls;
+  }
+
+  public void setResources(HashMap<String, LocalResourceInfo> resources) {
+    this.local_resources = resources;
+  }
+
+  public void setEnvironment(HashMap<String, String> environment) {
+    this.environment = environment;
+  }
+
+  public void setCommands(List<String> commands) {
+    this.commands = commands;
+  }
+
+  public void setAuxillaryServiceData(HashMap<String, String> serviceData) {
+    this.servicedata = serviceData;
+  }
+
+  public void setCredentials(CredentialsInfo credentials) {
+    this.credentials = credentials;
+  }
+
+  public void setAcls(HashMap<ApplicationAccessType, String> acls) {
+    this.acls = acls;
+  }
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/CredentialsInfo.java

@@ -0,0 +1,59 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.resourcemanager.webapp.dao;
+
+import java.util.HashMap;
+
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlElementWrapper;
+import javax.xml.bind.annotation.XmlRootElement;
+
+@XmlRootElement(name = "credentials-info")
+@XmlAccessorType(XmlAccessType.FIELD)
+public class CredentialsInfo {
+
+  @XmlElementWrapper(name = "tokens")
+  HashMap<String, String> tokens;
+
+  @XmlElementWrapper(name = "secrets")
+  HashMap<String, String> secrets;
+
+  public CredentialsInfo() {
+    tokens = new HashMap<String, String>();
+    secrets = new HashMap<String, String>();
+  }
+
+  public HashMap<String, String> getTokens() {
+    return tokens;
+  }
+
+  public HashMap<String, String> getSecrets() {
+    return secrets;
+  }
+
+  public void setTokens(HashMap<String, String> tokens) {
+    this.tokens = tokens;
+  }
+
+  public void setSecrets(HashMap<String, String> secrets) {
+    this.secrets = secrets;
+  }
+
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/LocalResourceInfo.java

@@ -0,0 +1,96 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.resourcemanager.webapp.dao;
+
+import java.net.URI;
+
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlRootElement;
+
+import org.apache.hadoop.yarn.api.records.LocalResourceType;
+import org.apache.hadoop.yarn.api.records.LocalResourceVisibility;
+
+@XmlRootElement(name = "localresources")
+@XmlAccessorType(XmlAccessType.FIELD)
+public class LocalResourceInfo {
+
+  @XmlElement(name = "resource")
+  URI url;
+  LocalResourceType type;
+  LocalResourceVisibility visibility;
+  long size;
+  long timestamp;
+  String pattern;
+
+  public URI getUrl() {
+    return url;
+  }
+
+  public LocalResourceType getType() {
+    return type;
+  }
+
+  public LocalResourceVisibility getVisibility() {
+    return visibility;
+  }
+
+  public long getSize() {
+    return size;
+  }
+
+  public long getTimestamp() {
+    return timestamp;
+  }
+
+  public String getPattern() {
+    return pattern;
+  }
+
+  public void setUrl(URI url) {
+    this.url = url;
+  }
+
+  public void setType(LocalResourceType type) {
+    this.type = type;
+  }
+
+  public void setVisibility(LocalResourceVisibility visibility) {
+    this.visibility = visibility;
+  }
+
+  public void setSize(long size) {
+    if (size <= 0) {
+      throw new IllegalArgumentException("size must be greater than 0");
+    }
+    this.size = size;
+  }
+
+  public void setTimestamp(long timestamp) {
+    if (timestamp <= 0) {
+      throw new IllegalArgumentException("timestamp must be greater than 0");
+    }
+    this.timestamp = timestamp;
+  }
+
+  public void setPattern(String pattern) {
+    this.pattern = pattern;
+  }
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/NewApplication.java

@@ -0,0 +1,54 @@
+/**
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License.  You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+package org.apache.hadoop.yarn.server.resourcemanager.webapp.dao;
+
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlRootElement;
+
+@XmlRootElement(name="NewApplication")
+@XmlAccessorType(XmlAccessType.FIELD)
+public class NewApplication {
+
+  @XmlElement(name="application-id")
+  String applicationId;
+
+  @XmlElement(name="maximum-resource-capability")
+  ResourceInfo maximumResourceCapability;
+
+  public NewApplication() {
+    applicationId = "";
+    maximumResourceCapability = new ResourceInfo();
+  }
+
+  public NewApplication(String appId, ResourceInfo maxResources) {
+    applicationId = appId;
+    maximumResourceCapability = maxResources;
+  }
+
+  public String getApplicationId() {
+    return applicationId;
+  }
+
+  public ResourceInfo getMaximumResourceCapability() {
+    return maximumResourceCapability;
+  }
+
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/ResourceInfo.java

@@ -50,4 +50,12 @@ public class ResourceInfo {
   public String toString() {
     return "<memory:" + memory + ", vCores:" + vCores + ">";
   }
+
+  public void setMemory(int memory) {
+    this.memory = memory;
+  }
+
+  public void setvCores(int vCores) {
+    this.vCores = vCores;
+  }
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestRMWebServicesAppsModification.java

@@ -25,10 +25,17 @@ import static org.junit.Assume.assumeTrue;
 import java.io.IOException;
 import java.io.StringReader;
 import java.io.StringWriter;
+import java.net.URI;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
 import java.util.Properties;
+import java.util.Set;
 
 import javax.servlet.FilterConfig;
 import javax.servlet.ServletException;
@@ -38,9 +45,15 @@ import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
 import javax.xml.parsers.ParserConfigurationException;
 
+import org.apache.commons.codec.binary.Base64;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.security.authentication.server.AuthenticationFilter;
 import org.apache.hadoop.security.authentication.server.PseudoAuthenticationHandler;
+import org.apache.hadoop.yarn.api.records.ApplicationAccessType;
+import org.apache.hadoop.yarn.api.records.ContainerLaunchContext;
+import org.apache.hadoop.yarn.api.records.LocalResource;
+import org.apache.hadoop.yarn.api.records.LocalResourceType;
+import org.apache.hadoop.yarn.api.records.LocalResourceVisibility;
 import org.apache.hadoop.yarn.api.records.QueueACL;
 import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
@@ -54,7 +67,11 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.Capacity
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration;
 import org.apache.hadoop.yarn.server.resourcemanager.security.QueueACLsManager;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppState;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ApplicationSubmissionContextInfo;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.CredentialsInfo;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.LocalResourceInfo;
 import org.apache.hadoop.yarn.server.security.ApplicationACLsManager;
+import org.apache.hadoop.yarn.util.ConverterUtils;
 import org.apache.hadoop.yarn.webapp.GenericExceptionHandler;
 import org.apache.hadoop.yarn.webapp.WebServicesTestUtils;
 import org.codehaus.jettison.json.JSONException;
@@ -80,6 +97,7 @@ import com.sun.jersey.api.client.Client;
 import com.sun.jersey.api.client.ClientResponse;
 import com.sun.jersey.api.client.ClientResponse.Status;
 import com.sun.jersey.api.client.WebResource;
+import com.sun.jersey.api.client.filter.LoggingFilter;
 import com.sun.jersey.api.json.JSONJAXBContext;
 import com.sun.jersey.api.json.JSONMarshaller;
 import com.sun.jersey.guice.spi.container.servlet.GuiceContainer;
@@ -461,11 +479,7 @@ public class TestRMWebServicesAppsModification extends JerseyTest {
             .constructWebResource("apps", app.getApplicationId().toString(),
               "state").accept(mediaType)
             .entity(info, MediaType.APPLICATION_XML).put(ClientResponse.class);
-      if (!isAuthenticationEnabled()) {
-        assertEquals(Status.UNAUTHORIZED, response.getClientResponseStatus());
-      } else {
-        assertEquals(Status.FORBIDDEN, response.getClientResponseStatus());
-      }
+      validateResponseStatus(response, Status.FORBIDDEN);
     }
     rm.stop();
     return;
@@ -502,4 +516,348 @@ public class TestRMWebServicesAppsModification extends JerseyTest {
     }
     super.tearDown();
   }
+
+  /**
+   * Helper function to wrap frequently used code. It checks the response status
+   * and checks if it UNAUTHORIZED if we are running with authorization turned
+   * off or the param passed if we are running with authorization turned on.
+   * 
+   * @param response
+   *          the ClientResponse object to be checked
+   * @param expectedAuthorizedMode
+   *          the expected Status in authorized mode.
+   */
+  public void validateResponseStatus(ClientResponse response,
+      Status expectedAuthorizedMode) {
+    validateResponseStatus(response, Status.UNAUTHORIZED,
+      expectedAuthorizedMode);
+  }
+
+  /**
+   * Helper function to wrap frequently used code. It checks the response status
+   * and checks if it is the param expectedUnauthorizedMode if we are running
+   * with authorization turned off or the param expectedAuthorizedMode passed if
+   * we are running with authorization turned on.
+   * 
+   * @param response
+   *          the ClientResponse object to be checked
+   * @param expectedUnauthorizedMode
+   *          the expected Status in unauthorized mode.
+   * @param expectedAuthorizedMode
+   *          the expected Status in authorized mode.
+   */
+  public void validateResponseStatus(ClientResponse response,
+      Status expectedUnauthorizedMode, Status expectedAuthorizedMode) {
+    if (!isAuthenticationEnabled()) {
+      assertEquals(expectedUnauthorizedMode, response.getClientResponseStatus());
+    } else {
+      assertEquals(expectedAuthorizedMode, response.getClientResponseStatus());
+    }
+  }
+
+  // Simple test - just post to /apps/id and validate the response
+  @Test
+  public void testGetNewApplication() throws Exception {
+    // client().addFilter(new LoggingFilter(System.out));
+    rm.start();
+    String mediaTypes[] =
+        { MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML };
+    for (String acceptMedia : mediaTypes) {
+      testGetNewApplication(acceptMedia);
+    }
+    rm.stop();
+    return;
+  }
+
+  protected String testGetNewApplication(String mediaType) throws JSONException,
+      ParserConfigurationException, IOException, SAXException {
+    ClientResponse response =
+        this.constructWebResource("apps", "new-application").accept(mediaType)
+          .post(ClientResponse.class);
+    validateResponseStatus(response, Status.OK);
+    if (!isAuthenticationEnabled()) {
+      return "";
+    }
+    return validateGetNewApplicationResponse(response);
+  }
+
+  protected String validateGetNewApplicationResponse(ClientResponse resp)
+      throws JSONException, ParserConfigurationException, IOException,
+      SAXException {
+    String ret = "";
+    if (resp.getType().equals(MediaType.APPLICATION_JSON_TYPE)) {
+      JSONObject json = resp.getEntity(JSONObject.class);
+      ret = validateGetNewApplicationJsonResponse(json);
+    } else if (resp.getType().equals(MediaType.APPLICATION_XML_TYPE)) {
+      String xml = resp.getEntity(String.class);
+      ret = validateGetNewApplicationXMLResponse(xml);
+    } else {
+      // we should not be here
+      assertTrue(false);
+    }
+    return ret;
+  }
+
+  protected String validateGetNewApplicationJsonResponse(JSONObject json)
+      throws JSONException {
+    String appId = json.getString("application-id");
+    assertTrue(appId.isEmpty() == false);
+    JSONObject maxResources = json.getJSONObject("maximum-resource-capability");
+    long memory = maxResources.getLong("memory");
+    long vCores = maxResources.getLong("vCores");
+    assertTrue(memory != 0);
+    assertTrue(vCores != 0);
+    return appId;
+  }
+
+  protected String validateGetNewApplicationXMLResponse(String response)
+      throws ParserConfigurationException, IOException, SAXException {
+    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
+    DocumentBuilder db = dbf.newDocumentBuilder();
+    InputSource is = new InputSource();
+    is.setCharacterStream(new StringReader(response));
+    Document dom = db.parse(is);
+    NodeList nodes = dom.getElementsByTagName("NewApplication");
+    assertEquals("incorrect number of elements", 1, nodes.getLength());
+    Element element = (Element) nodes.item(0);
+    String appId = WebServicesTestUtils.getXmlString(element, "application-id");
+    assertTrue(appId.isEmpty() == false);
+    NodeList maxResourceNodes =
+        element.getElementsByTagName("maximum-resource-capability");
+    assertEquals(1, maxResourceNodes.getLength());
+    Element maxResourceCapability = (Element) maxResourceNodes.item(0);
+    long memory =
+        WebServicesTestUtils.getXmlLong(maxResourceCapability, "memory");
+    long vCores =
+        WebServicesTestUtils.getXmlLong(maxResourceCapability, "vCores");
+    assertTrue(memory != 0);
+    assertTrue(vCores != 0);
+    return appId;
+  }
+
+  // Test to validate the process of submitting apps - test for appropriate
+  // errors as well
+  @Test
+  public void testGetNewApplicationAndSubmit() throws Exception {
+    rm.start();
+    MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
+    amNodeManager.nodeHeartbeat(true);
+    String mediaTypes[] =
+        { MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML };
+    for (String acceptMedia : mediaTypes) {
+      for (String contentMedia : mediaTypes) {
+        testAppSubmit(acceptMedia, contentMedia);
+        testAppSubmitErrors(acceptMedia, contentMedia);
+      }
+    }
+    rm.stop();
+    return;
+  }
+
+  public void testAppSubmit(String acceptMedia, String contentMedia)
+      throws Exception {
+
+    // create a test app and submit it via rest(after getting an app-id) then
+    // get the app details from the rmcontext and check that everything matches
+
+    // client().addFilter(new LoggingFilter(System.out));
+    String lrKey = "example";
+    String queueName = "testqueue";
+    String appName = "test";
+    String appType = "test-type";
+    String urlPath = "apps";
+    String appId = testGetNewApplication(acceptMedia);
+    List<String> commands = new ArrayList<String>();
+    commands.add("/bin/sleep 5");
+    HashMap<String, String> environment = new HashMap<String, String>();
+    environment.put("APP_VAR", "ENV_SETTING");
+    HashMap<ApplicationAccessType, String> acls =
+        new HashMap<ApplicationAccessType, String>();
+    acls.put(ApplicationAccessType.MODIFY_APP, "testuser1, testuser2");
+    acls.put(ApplicationAccessType.VIEW_APP, "testuser3, testuser4");
+    Set<String> tags = new HashSet<String>();
+    tags.add("tag1");
+    tags.add("tag 2");
+    CredentialsInfo credentials = new CredentialsInfo();
+    HashMap<String, String> tokens = new HashMap<String, String>();
+    HashMap<String, String> secrets = new HashMap<String, String>();
+    secrets.put("secret1", Base64.encodeBase64URLSafeString("secret1".getBytes("UTF8")));
+    credentials.setSecrets(secrets);
+    credentials.setTokens(tokens);
+    ApplicationSubmissionContextInfo appInfo = new ApplicationSubmissionContextInfo();
+    appInfo.setApplicationId(appId);
+    appInfo.setApplicationName(appName);
+    appInfo.setPriority(3);
+    appInfo.setMaxAppAttempts(2);
+    appInfo.setQueue(queueName);
+    appInfo.setApplicationType(appType);
+    HashMap<String, LocalResourceInfo> lr =
+        new HashMap<String, LocalResourceInfo>();
+    LocalResourceInfo y = new LocalResourceInfo();
+    y.setUrl(new URI("http://www.test.com/file.txt"));
+    y.setSize(100);
+    y.setTimestamp(System.currentTimeMillis());
+    y.setType(LocalResourceType.FILE);
+    y.setVisibility(LocalResourceVisibility.APPLICATION);
+    lr.put(lrKey, y);
+    appInfo.getContainerLaunchContextInfo().setResources(lr);
+    appInfo.getContainerLaunchContextInfo().setCommands(commands);
+    appInfo.getContainerLaunchContextInfo().setEnvironment(environment);
+    appInfo.getContainerLaunchContextInfo().setAcls(acls);
+    appInfo.getContainerLaunchContextInfo().getAuxillaryServiceData()
+      .put("test", Base64.encodeBase64URLSafeString("value12".getBytes("UTF8")));
+    appInfo.getContainerLaunchContextInfo().setCredentials(credentials);
+    appInfo.getResource().setMemory(1024);
+    appInfo.getResource().setvCores(1);
+    appInfo.setApplicationTags(tags);
+
+    ClientResponse response =
+        this.constructWebResource(urlPath).accept(acceptMedia)
+          .entity(appInfo, contentMedia).post(ClientResponse.class);
+
+    if (this.isAuthenticationEnabled() == false) {
+      assertEquals(Status.UNAUTHORIZED, response.getClientResponseStatus());
+      return;
+    }
+    assertEquals(Status.ACCEPTED, response.getClientResponseStatus());
+    assertTrue(response.getHeaders().getFirst(HttpHeaders.LOCATION).isEmpty() == false);
+    String locURL = response.getHeaders().getFirst(HttpHeaders.LOCATION);
+    assertTrue(locURL.indexOf("/apps/application") != -1);
+    appId = locURL.substring(locURL.indexOf("/apps/") + "/apps/".length());
+
+    WebResource res = resource().uri(new URI(locURL));
+    res = res.queryParam("user.name", webserviceUserName);
+    response = res.get(ClientResponse.class);
+    assertEquals(Status.OK, response.getClientResponseStatus());
+
+    RMApp app =
+        rm.getRMContext().getRMApps()
+          .get(ConverterUtils.toApplicationId(appId));
+    assertEquals(appName, app.getName());
+    assertEquals(webserviceUserName, app.getUser());
+    assertEquals(2, app.getMaxAppAttempts());
+    assertEquals(queueName, app.getQueue());
+    assertEquals(appType, app.getApplicationType());
+    assertEquals(tags, app.getApplicationTags());
+    ContainerLaunchContext ctx =
+        app.getApplicationSubmissionContext().getAMContainerSpec();
+    assertEquals(commands, ctx.getCommands());
+    assertEquals(environment, ctx.getEnvironment());
+    assertEquals(acls, ctx.getApplicationACLs());
+    Map<String, LocalResource> appLRs = ctx.getLocalResources();
+    assertTrue(appLRs.containsKey(lrKey));
+    LocalResource exampleLR = appLRs.get(lrKey);
+    assertEquals(ConverterUtils.getYarnUrlFromURI(y.getUrl()),
+      exampleLR.getResource());
+    assertEquals(y.getSize(), exampleLR.getSize());
+    assertEquals(y.getTimestamp(), exampleLR.getTimestamp());
+    assertEquals(y.getType(), exampleLR.getType());
+    assertEquals(y.getPattern(), exampleLR.getPattern());
+    assertEquals(y.getVisibility(), exampleLR.getVisibility());
+
+    response =
+        this.constructWebResource("apps", appId).accept(acceptMedia)
+          .get(ClientResponse.class);
+    assertEquals(Status.OK, response.getClientResponseStatus());
+    return;
+  }
+
+  public void testAppSubmitErrors(String acceptMedia, String contentMedia)
+      throws Exception {
+
+    // submit a bunch of bad requests(correct format but bad values) via the
+    // REST API and make sure we get the right error response codes
+
+    String urlPath = "apps";
+    String appId = "";
+    ApplicationSubmissionContextInfo appInfo = new ApplicationSubmissionContextInfo();
+    ClientResponse response =
+        this.constructWebResource(urlPath).accept(acceptMedia)
+          .entity(appInfo, contentMedia).post(ClientResponse.class);
+    validateResponseStatus(response, Status.BAD_REQUEST);
+
+    appId = "random";
+    appInfo.setApplicationId(appId);
+    response =
+        this.constructWebResource(urlPath).accept(acceptMedia)
+          .entity(appInfo, contentMedia).post(ClientResponse.class);
+    validateResponseStatus(response, Status.BAD_REQUEST);
+
+    appId = "random_junk";
+    appInfo.setApplicationId(appId);
+    response =
+        this.constructWebResource(urlPath).accept(acceptMedia)
+          .entity(appInfo, contentMedia).post(ClientResponse.class);
+    validateResponseStatus(response, Status.BAD_REQUEST);
+
+    // bad resource info
+    appInfo.getResource().setMemory(
+      rm.getConfig().getInt(
+        YarnConfiguration.RM_SCHEDULER_MAXIMUM_ALLOCATION_MB,
+        YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_MB) + 1);
+    appInfo.getResource().setvCores(1);
+    response =
+        this.constructWebResource(urlPath).accept(acceptMedia)
+          .entity(appInfo, contentMedia).post(ClientResponse.class);
+
+    validateResponseStatus(response, Status.BAD_REQUEST);
+
+    appInfo.getResource().setvCores(
+      rm.getConfig().getInt(
+        YarnConfiguration.RM_SCHEDULER_MAXIMUM_ALLOCATION_VCORES,
+        YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_VCORES) + 1);
+    appInfo.getResource().setMemory(CONTAINER_MB);
+    response =
+        this.constructWebResource(urlPath).accept(acceptMedia)
+          .entity(appInfo, contentMedia).post(ClientResponse.class);
+    validateResponseStatus(response, Status.BAD_REQUEST);
+
+    return;
+  }
+
+  @Test
+  public void testAppSubmitBadJsonAndXML() throws Exception {
+
+    // submit a bunch of bad XML and JSON via the
+    // REST API and make sure we get error response codes
+
+    String urlPath = "apps";
+    rm.start();
+    MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
+    amNodeManager.nodeHeartbeat(true);
+
+    ApplicationSubmissionContextInfo appInfo = new ApplicationSubmissionContextInfo();
+    appInfo.setApplicationName("test");
+    appInfo.setPriority(3);
+    appInfo.setMaxAppAttempts(2);
+    appInfo.setQueue("testqueue");
+    appInfo.setApplicationType("test-type");
+    HashMap<String, LocalResourceInfo> lr =
+        new HashMap<String, LocalResourceInfo>();
+    LocalResourceInfo y = new LocalResourceInfo();
+    y.setUrl(new URI("http://www.test.com/file.txt"));
+    y.setSize(100);
+    y.setTimestamp(System.currentTimeMillis());
+    y.setType(LocalResourceType.FILE);
+    y.setVisibility(LocalResourceVisibility.APPLICATION);
+    lr.put("example", y);
+    appInfo.getContainerLaunchContextInfo().setResources(lr);
+    appInfo.getResource().setMemory(1024);
+    appInfo.getResource().setvCores(1);
+
+    String body =
+        "<?xml version=\"1.0\" encoding=\"UTF-8\" "
+            + "standalone=\"yes\"?><blah/>";
+    ClientResponse response =
+        this.constructWebResource(urlPath).accept(MediaType.APPLICATION_XML)
+          .entity(body, MediaType.APPLICATION_XML).post(ClientResponse.class);
+    assertEquals(Status.BAD_REQUEST, response.getClientResponseStatus());
+    body = "{\"a\" : \"b\"}";
+    response =
+        this.constructWebResource(urlPath).accept(MediaType.APPLICATION_XML)
+          .entity(body, MediaType.APPLICATION_JSON).post(ClientResponse.class);
+    validateResponseStatus(response, Status.BAD_REQUEST);
+    rm.stop();
+  }
+
 }