YARN-4248. REST API for submit/update/delete Reservations. (curino)

hadoop-yarn-project/CHANGES.txt

@@ -602,6 +602,8 @@ Release 2.8.0 - UNRELEASED
     YARN-3456. Improve handling of incomplete TimelineEntities. (Varun Saxena 
     via rohithsharmaks)
 
+    YARN-4248. REST API for submit/update/delete Reservations. (curino)
+
   OPTIMIZATIONS
 
     YARN-3339. TestDockerContainerExecutor should pull a single image and not

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

@@ -98,6 +98,11 @@ import org.apache.hadoop.yarn.api.records.NodeLabel;
 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.ReservationDefinition;
+import org.apache.hadoop.yarn.api.records.ReservationId;
+import org.apache.hadoop.yarn.api.records.ReservationRequest;
+import org.apache.hadoop.yarn.api.records.ReservationRequestInterpreter;
+import org.apache.hadoop.yarn.api.records.ReservationRequests;
 import org.apache.hadoop.yarn.api.records.Resource;
 import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
@@ -145,6 +150,19 @@ import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.NodeToLabelsEntr
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.NodeToLabelsEntryList;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.NodeToLabelsInfo;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.NodesInfo;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ReservationDefinitionInfo;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ReservationDeleteRequestInfo;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ReservationDeleteResponseInfo;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ReservationRequestInfo;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ReservationRequestsInfo;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ReservationSubmissionResponseInfo;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ReservationSubmissionRequestInfo;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ReservationUpdateRequestInfo;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ReservationUpdateResponseInfo;
+import org.apache.hadoop.yarn.api.protocolrecords.ReservationDeleteRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.ReservationSubmissionRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.ReservationSubmissionResponse;
+import org.apache.hadoop.yarn.api.protocolrecords.ReservationUpdateRequest;
 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;
@@ -1822,4 +1840,290 @@ public class RMWebServices {
     }
     return token;
   }
+
+  /**
+   * Function to submit a Reservation to the RM.
+   *
+   * @param resContext provides information to construct the
+   *          ReservationSubmissionRequest
+   * @param hsr the servlet request
+   * @return Response containing the status code
+   * @throws AuthorizationException
+   * @throws IOException
+   * @throws InterruptedException
+   */
+  @POST
+  @Path("/reservation/submit")
+  @Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
+  @Consumes({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
+  public Response submitReservation(
+      ReservationSubmissionRequestInfo resContext,
+      @Context HttpServletRequest hsr) throws AuthorizationException,
+      IOException, InterruptedException {
+
+    init();
+    UserGroupInformation callerUGI = getCallerUserGroupInformation(hsr, true);
+    if (callerUGI == null) {
+      throw new AuthorizationException("Unable to obtain user name, "
+          + "user not authenticated");
+    }
+    if (UserGroupInformation.isSecurityEnabled() && isStaticUser(callerUGI)) {
+      String msg = "The default static user cannot carry out this operation.";
+      return Response.status(Status.FORBIDDEN).entity(msg).build();
+    }
+
+    final ReservationSubmissionRequest reservation =
+        createReservationSubmissionRequest(resContext);
+
+    ReservationSubmissionResponseInfo resRespInfo;
+    try {
+      resRespInfo =
+          callerUGI.doAs(
+           new PrivilegedExceptionAction<ReservationSubmissionResponseInfo>() {
+                @Override
+                public ReservationSubmissionResponseInfo run()
+                    throws IOException, YarnException {
+                  ReservationSubmissionResponse tempRes =
+                      rm.getClientRMService().submitReservation(reservation);
+                  return new ReservationSubmissionResponseInfo(tempRes);
+                }
+              });
+    } catch (UndeclaredThrowableException ue) {
+      if (ue.getCause() instanceof YarnException) {
+        throw new BadRequestException(ue.getCause().getMessage());
+      }
+      LOG.info("Submit reservation request failed", ue);
+      throw ue;
+    }
+
+    return Response.status(Status.OK).entity(resRespInfo).build();
+  }
+
+  private ReservationSubmissionRequest createReservationSubmissionRequest(
+      ReservationSubmissionRequestInfo resContext) {
+
+    // defending against a couple of common submission format problems
+    if (resContext == null) {
+      throw new BadRequestException(
+          "Input ReservationSubmissionContext should not be null");
+    }
+    ReservationDefinitionInfo resInfo = resContext.getReservationDefinition();
+    if (resInfo == null) {
+      throw new BadRequestException(
+          "Input ReservationDefinition should not be null");
+    }
+
+    ReservationRequestsInfo resReqsInfo = resInfo.getReservationRequests();
+
+    if (resReqsInfo == null || resReqsInfo.getReservationRequest() == null
+        || resReqsInfo.getReservationRequest().size() == 0) {
+      throw new BadRequestException("The ReservationDefinition should"
+          + " contain at least one ReservationRequest");
+    }
+
+    ReservationRequestInterpreter[] values =
+        ReservationRequestInterpreter.values();
+    ReservationRequestInterpreter resInt =
+        values[resReqsInfo.getReservationRequestsInterpreter()];
+    List<ReservationRequest> list = new ArrayList<ReservationRequest>();
+
+    for (ReservationRequestInfo resReqInfo : resReqsInfo
+        .getReservationRequest()) {
+      ResourceInfo rInfo = resReqInfo.getCapability();
+      Resource capability =
+          Resource.newInstance(rInfo.getMemory(), rInfo.getvCores());
+      int numContainers = resReqInfo.getNumContainers();
+      int minConcurrency = resReqInfo.getMinConcurrency();
+      long duration = resReqInfo.getDuration();
+      ReservationRequest rr =
+          ReservationRequest.newInstance(capability, numContainers,
+              minConcurrency, duration);
+      list.add(rr);
+    }
+    ReservationRequests reqs = ReservationRequests.newInstance(list, resInt);
+    ReservationDefinition rDef =
+        ReservationDefinition.newInstance(resInfo.getArrival(),
+            resInfo.getDeadline(), reqs, resInfo.getReservationName());
+    ReservationSubmissionRequest request =
+        ReservationSubmissionRequest.newInstance(rDef, resContext.getQueue());
+
+    return request;
+  }
+
+  /**
+   * Function to update a Reservation to the RM.
+   *
+   * @param resContext provides information to construct the
+   *          ReservationUpdateRequest
+   * @param hsr the servlet request
+   * @return Response containing the status code
+   * @throws AuthorizationException
+   * @throws IOException
+   * @throws InterruptedException
+   */
+  @POST
+  @Path("/reservation/update")
+  @Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
+  @Consumes({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
+  public Response updateReservation(ReservationUpdateRequestInfo resContext,
+      @Context HttpServletRequest hsr) throws AuthorizationException,
+      IOException, InterruptedException {
+
+    init();
+    UserGroupInformation callerUGI = getCallerUserGroupInformation(hsr, true);
+    if (callerUGI == null) {
+      throw new AuthorizationException("Unable to obtain user name, "
+          + "user not authenticated");
+    }
+    if (UserGroupInformation.isSecurityEnabled() && isStaticUser(callerUGI)) {
+      String msg = "The default static user cannot carry out this operation.";
+      return Response.status(Status.FORBIDDEN).entity(msg).build();
+    }
+
+    final ReservationUpdateRequest reservation =
+        createReservationUpdateRequest(resContext);
+
+    ReservationUpdateResponseInfo resRespInfo;
+    try {
+      resRespInfo =
+          callerUGI.doAs(
+              new PrivilegedExceptionAction<ReservationUpdateResponseInfo>() {
+                @Override
+                public ReservationUpdateResponseInfo run() throws IOException,
+                    YarnException {
+                  rm.getClientRMService().updateReservation(reservation);
+                  return new ReservationUpdateResponseInfo();
+                }
+              });
+    } catch (UndeclaredThrowableException ue) {
+      if (ue.getCause() instanceof YarnException) {
+        throw new BadRequestException(ue.getCause().getMessage());
+      }
+      LOG.info("Update reservation request failed", ue);
+      throw ue;
+    }
+
+    return Response.status(Status.OK).entity(resRespInfo).build();
+  }
+
+  private ReservationUpdateRequest createReservationUpdateRequest(
+      ReservationUpdateRequestInfo resContext) throws IOException {
+
+    // defending against a couple of common submission format problems
+    if (resContext == null) {
+      throw new BadRequestException(
+          "Input ReservationSubmissionContext should not be null");
+    }
+    ReservationDefinitionInfo resInfo = resContext.getReservationDefinition();
+    if (resInfo == null) {
+      throw new BadRequestException(
+          "Input ReservationDefinition should not be null");
+    }
+    ReservationRequestsInfo resReqsInfo = resInfo.getReservationRequests();
+    if (resReqsInfo == null || resReqsInfo.getReservationRequest() == null
+        || resReqsInfo.getReservationRequest().size() == 0) {
+      throw new BadRequestException("The ReservationDefinition should"
+          + " contain at least one ReservationRequest");
+    }
+    if (resContext.getReservationId() == null) {
+      throw new BadRequestException(
+          "Update operations must specify an existing ReservaitonId");
+    }
+
+    ReservationRequestInterpreter[] values =
+        ReservationRequestInterpreter.values();
+    ReservationRequestInterpreter resInt =
+        values[resReqsInfo.getReservationRequestsInterpreter()];
+    List<ReservationRequest> list = new ArrayList<ReservationRequest>();
+
+    for (ReservationRequestInfo resReqInfo : resReqsInfo
+        .getReservationRequest()) {
+      ResourceInfo rInfo = resReqInfo.getCapability();
+      Resource capability =
+          Resource.newInstance(rInfo.getMemory(), rInfo.getvCores());
+      int numContainers = resReqInfo.getNumContainers();
+      int minConcurrency = resReqInfo.getMinConcurrency();
+      long duration = resReqInfo.getDuration();
+      ReservationRequest rr =
+          ReservationRequest.newInstance(capability, numContainers,
+              minConcurrency, duration);
+      list.add(rr);
+    }
+    ReservationRequests reqs = ReservationRequests.newInstance(list, resInt);
+    ReservationDefinition rDef =
+        ReservationDefinition.newInstance(resInfo.getArrival(),
+            resInfo.getDeadline(), reqs, resInfo.getReservationName());
+    ReservationUpdateRequest request =
+        ReservationUpdateRequest.newInstance(rDef, ReservationId
+            .parseReservationId(resContext.getReservationId()));
+
+    return request;
+  }
+
+  /**
+   * Function to delete a Reservation to the RM.
+   *
+   * @param resContext provides information to construct
+   *          the ReservationDeleteRequest
+   * @param hsr the servlet request
+   * @return Response containing the status code
+   * @throws AuthorizationException
+   * @throws IOException
+   * @throws InterruptedException
+   */
+  @POST
+  @Path("/reservation/delete")
+  @Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
+  @Consumes({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
+  public Response deleteReservation(ReservationDeleteRequestInfo resContext,
+      @Context HttpServletRequest hsr) throws AuthorizationException,
+      IOException, InterruptedException {
+
+    init();
+    UserGroupInformation callerUGI = getCallerUserGroupInformation(hsr, true);
+    if (callerUGI == null) {
+      throw new AuthorizationException("Unable to obtain user name, "
+          + "user not authenticated");
+    }
+    if (UserGroupInformation.isSecurityEnabled() && isStaticUser(callerUGI)) {
+      String msg = "The default static user cannot carry out this operation.";
+      return Response.status(Status.FORBIDDEN).entity(msg).build();
+    }
+
+    final ReservationDeleteRequest reservation =
+        createReservationDeleteRequest(resContext);
+
+    ReservationDeleteResponseInfo resRespInfo;
+    try {
+      resRespInfo =
+          callerUGI.doAs(
+              new PrivilegedExceptionAction<ReservationDeleteResponseInfo>() {
+                @Override
+                public ReservationDeleteResponseInfo run() throws IOException,
+                    YarnException {
+                  rm.getClientRMService().deleteReservation(reservation);
+                  return new ReservationDeleteResponseInfo();
+                }
+              });
+    } catch (UndeclaredThrowableException ue) {
+      if (ue.getCause() instanceof YarnException) {
+        throw new BadRequestException(ue.getCause().getMessage());
+      }
+      LOG.info("Update reservation request failed", ue);
+      throw ue;
+    }
+
+    return Response.status(Status.OK).entity(resRespInfo).build();
+  }
+
+  private ReservationDeleteRequest createReservationDeleteRequest(
+      ReservationDeleteRequestInfo resContext) throws IOException {
+
+    ReservationDeleteRequest request =
+        ReservationDeleteRequest.newInstance(ReservationId
+            .parseReservationId(resContext.getReservationId()));
+
+    return request;
+  }
+
 }

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

@@ -0,0 +1,82 @@
+/**
+ * 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;
+
+/**
+ * Simple class that represent a reservation definition.
+ */
+@XmlRootElement(name = "reservation-definition")
+@XmlAccessorType(XmlAccessType.FIELD)
+public class ReservationDefinitionInfo {
+
+  @XmlElement(name = "arrival")
+  private long arrival;
+
+  @XmlElement(name = "deadline")
+  private long deadline;
+
+  @XmlElement(name = "reservation-requests")
+  private ReservationRequestsInfo reservationRequests;
+
+  @XmlElement(name = "reservation-name")
+  private String reservationName;
+
+  public ReservationDefinitionInfo() {
+
+  }
+
+  public long getArrival() {
+    return arrival;
+  }
+
+  public void setArrival(long arrival) {
+    this.arrival = arrival;
+  }
+
+  public long getDeadline() {
+    return deadline;
+  }
+
+  public void setDeadline(long deadline) {
+    this.deadline = deadline;
+  }
+
+  public ReservationRequestsInfo getReservationRequests() {
+    return reservationRequests;
+  }
+
+  public void setReservationRequests(
+      ReservationRequestsInfo reservationRequests) {
+    this.reservationRequests = reservationRequests;
+  }
+
+  public String getReservationName() {
+    return reservationName;
+  }
+
+  public void setReservationName(String reservationName) {
+    this.reservationName = reservationName;
+  }
+
+}

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

@@ -0,0 +1,49 @@
+/**
+ * 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;
+
+/**
+ * Simple class represent the request of deleting a given reservation,
+ * selected by its id.
+ */
+@XmlRootElement(name = "reservation-delete-context")
+@XmlAccessorType(XmlAccessType.FIELD)
+public class ReservationDeleteRequestInfo {
+
+  @XmlElement(name = "reservation-id")
+  private String reservationId;
+
+  public ReservationDeleteRequestInfo() {
+    reservationId = null;
+  }
+
+  public String getReservationId() {
+    return reservationId;
+  }
+
+  public void setReservationId(String reservationId) {
+    this.reservationId = reservationId;
+  }
+
+}

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

@@ -0,0 +1,36 @@
+/**
+ * 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.XmlRootElement;
+
+/**
+ * Simple class that represent a reponse to a delete operation.
+ */
+@XmlRootElement(name = "reservation-delete-response")
+@XmlAccessorType(XmlAccessType.FIELD)
+public class ReservationDeleteResponseInfo {
+
+  public ReservationDeleteResponseInfo() {
+
+  }
+
+}

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

@@ -0,0 +1,78 @@
+/**
+ * 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;
+
+/**
+ * Simple class representing a reservation request.
+ */
+@XmlRootElement(name = "reservation-definition")
+@XmlAccessorType(XmlAccessType.FIELD)
+public class ReservationRequestInfo {
+
+  @XmlElement(name = "capability")
+  private ResourceInfo capability;
+  @XmlElement(name = "min-concurrency")
+  private int minConcurrency;
+  @XmlElement(name = "num-containers")
+  private int numContainers;
+  @XmlElement(name = "duration")
+  private long duration;
+
+  public ReservationRequestInfo() {
+
+  }
+
+  public ResourceInfo getCapability() {
+    return capability;
+  }
+
+  public void setCapability(ResourceInfo capability) {
+    this.capability = capability;
+  }
+
+  public int getMinConcurrency() {
+    return minConcurrency;
+  }
+
+  public void setMinConcurrency(int minConcurrency) {
+    this.minConcurrency = minConcurrency;
+  }
+
+  public int getNumContainers() {
+    return numContainers;
+  }
+
+  public void setNumContainers(int numContainers) {
+    this.numContainers = numContainers;
+  }
+
+  public long getDuration() {
+    return duration;
+  }
+
+  public void setDuration(long duration) {
+    this.duration = duration;
+  }
+
+}

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

@@ -0,0 +1,63 @@
+/**
+ * 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 javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlRootElement;
+
+/**
+ * Simple class representing a list of ReservationRequest and the
+ * interpreter which capture the semantic of this list (all/any/order).
+ */
+@XmlRootElement(name = "reservation-definition")
+@XmlAccessorType(XmlAccessType.FIELD)
+public class ReservationRequestsInfo {
+
+  @XmlElement(name = "reservation-request-interpreter")
+  private int reservationRequestsInterpreter;
+  @XmlElement(name = "reservation-request")
+  private ArrayList<ReservationRequestInfo> reservationRequest;
+
+  public ReservationRequestsInfo() {
+
+  }
+
+  public int getReservationRequestsInterpreter() {
+    return reservationRequestsInterpreter;
+  }
+
+  public void setReservationRequestsInterpreter(
+      int reservationRequestsInterpreter) {
+    this.reservationRequestsInterpreter = reservationRequestsInterpreter;
+  }
+
+  public ArrayList<ReservationRequestInfo> getReservationRequest() {
+    return reservationRequest;
+  }
+
+  public void setReservationRequest(
+      ArrayList<ReservationRequestInfo> reservationRequest) {
+    this.reservationRequest = reservationRequest;
+  }
+
+}

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

@@ -0,0 +1,60 @@
+/**
+ * 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;
+
+/**
+ * Simple class to allow users to send information required to create an
+ * ReservationSubmissionContext which can then be used to submit a reservation.
+ */
+@XmlRootElement(name = "reservation-submission-context")
+@XmlAccessorType(XmlAccessType.FIELD)
+public class ReservationSubmissionRequestInfo {
+
+  @XmlElement(name = "queue")
+  private String queue;
+
+  @XmlElement(name = "reservation-definition")
+  private ReservationDefinitionInfo reservationDefinition;
+
+  public ReservationSubmissionRequestInfo() {
+  }
+
+  public String getQueue() {
+    return queue;
+  }
+
+  public void setQueue(String queue) {
+    this.queue = queue;
+  }
+
+  public ReservationDefinitionInfo getReservationDefinition() {
+    return reservationDefinition;
+  }
+
+  public void setReservationDefinition(
+      ReservationDefinitionInfo reservationDefinition) {
+    this.reservationDefinition = reservationDefinition;
+  }
+
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/ReservationSubmissionResponseInfo.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;
+
+import org.apache.hadoop.yarn.api.protocolrecords.ReservationSubmissionResponse;
+
+/**
+ * Simple class that represent a response to a reservation submission.
+ */
+@XmlRootElement(name = "reservation-submission-response")
+@XmlAccessorType(XmlAccessType.FIELD)
+public class ReservationSubmissionResponseInfo {
+
+  @XmlElement(name = "reservation-id")
+  private String reservationId;
+
+  public ReservationSubmissionResponseInfo() {
+
+  }
+
+  public ReservationSubmissionResponseInfo(
+      ReservationSubmissionResponse response) {
+    this.reservationId = response.getReservationId().toString();
+  }
+
+  public String getReservationId() {
+    return reservationId;
+  }
+
+  public void setReservationId(String reservationId) {
+    this.reservationId = reservationId;
+  }
+}

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

@@ -0,0 +1,60 @@
+/**
+ * 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;
+
+/**
+ * Simple class to allow users to send information required to update an
+ * existing reservation.
+ */
+@XmlRootElement(name = "reservation-update-context")
+@XmlAccessorType(XmlAccessType.FIELD)
+public class ReservationUpdateRequestInfo {
+
+  @XmlElement(name = "reservation-id")
+  private String reservationId;
+
+  @XmlElement(name = "reservation-definition")
+  private ReservationDefinitionInfo reservationDefinition;
+
+  public ReservationUpdateRequestInfo() {
+  }
+
+  public String getReservationId() {
+    return reservationId;
+  }
+
+  public void setReservationId(String reservationId) {
+    this.reservationId = reservationId;
+  }
+
+  public ReservationDefinitionInfo getReservationDefinition() {
+    return reservationDefinition;
+  }
+
+  public void setReservationDefinition(
+      ReservationDefinitionInfo reservationDefinition) {
+    this.reservationDefinition = reservationDefinition;
+  }
+
+}

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

@@ -0,0 +1,37 @@
+/**
+ * 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.XmlRootElement;
+
+/**
+ * Simple class that represent the response to a reservation update
+ * request.
+ */
+@XmlRootElement(name = "reservation-update-response")
+@XmlAccessorType(XmlAccessType.FIELD)
+public class ReservationUpdateResponseInfo {
+
+  public ReservationUpdateResponseInfo() {
+
+  }
+
+}

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

@@ -0,0 +1,517 @@
+/**
+ * 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;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.io.StringReader;
+import java.net.URL;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Enumeration;
+import java.util.Properties;
+
+import javax.servlet.FilterConfig;
+import javax.servlet.ServletException;
+import javax.ws.rs.core.MediaType;
+
+import org.apache.commons.io.FileUtils;
+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.ReservationId;
+import org.apache.hadoop.yarn.conf.YarnConfiguration;
+import org.apache.hadoop.yarn.server.resourcemanager.MockNM;
+import org.apache.hadoop.yarn.server.resourcemanager.MockRM;
+import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairSchedulerConfiguration;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ReservationDeleteRequestInfo;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ReservationSubmissionRequestInfo;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ReservationUpdateRequestInfo;
+import org.apache.hadoop.yarn.webapp.GenericExceptionHandler;
+import org.apache.hadoop.yarn.webapp.JerseyTestBase;
+import org.codehaus.jettison.json.JSONException;
+import org.codehaus.jettison.json.JSONObject;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+import com.google.inject.Guice;
+import com.google.inject.Injector;
+import com.google.inject.Singleton;
+import com.google.inject.servlet.GuiceServletContextListener;
+import com.google.inject.servlet.ServletModule;
+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.config.DefaultClientConfig;
+import com.sun.jersey.api.json.JSONConfiguration;
+import com.sun.jersey.api.json.JSONJAXBContext;
+import com.sun.jersey.api.json.JSONUnmarshaller;
+import com.sun.jersey.guice.spi.container.servlet.GuiceContainer;
+import com.sun.jersey.test.framework.WebAppDescriptor;
+
+@RunWith(Parameterized.class)
+public class TestRMWebServicesReservation extends JerseyTestBase {
+  private static MockRM rm;
+
+  private static Injector injector;
+  private String webserviceUserName = "testuser";
+
+  private boolean setAuthFilter = false;
+
+  private static final String TEST_DIR = new File(System.getProperty(
+      "test.build.data", "/tmp")).getAbsolutePath();
+  private static final String FS_ALLOC_FILE = new File(TEST_DIR,
+      "test-fs-queues.xml").getAbsolutePath();
+
+  public static class GuiceServletConfig extends GuiceServletContextListener {
+
+    @Override
+    protected Injector getInjector() {
+      return injector;
+    }
+  }
+
+  /*
+   * Helper class to allow testing of RM web services which require
+   * authorization Add this class as a filter in the Guice injector for the
+   * MockRM
+   */
+
+  @Singleton
+  public static class TestRMCustomAuthFilter extends AuthenticationFilter {
+
+    @Override
+    protected Properties getConfiguration(String configPrefix,
+        FilterConfig filterConfig) throws ServletException {
+      Properties props = new Properties();
+      Enumeration<?> names = filterConfig.getInitParameterNames();
+      while (names.hasMoreElements()) {
+        String name = (String) names.nextElement();
+        if (name.startsWith(configPrefix)) {
+          String value = filterConfig.getInitParameter(name);
+          props.put(name.substring(configPrefix.length()), value);
+        }
+      }
+      props.put(AuthenticationFilter.AUTH_TYPE, "simple");
+      props.put(PseudoAuthenticationHandler.ANONYMOUS_ALLOWED, "false");
+      return props;
+    }
+
+  }
+
+  private abstract class TestServletModule extends ServletModule {
+    public Configuration conf = new Configuration();
+
+    public abstract void configureScheduler();
+
+    @Override
+    protected void configureServlets() {
+      configureScheduler();
+      bind(JAXBContextResolver.class);
+      bind(RMWebServices.class);
+      bind(GenericExceptionHandler.class);
+      conf.setInt(YarnConfiguration.RM_AM_MAX_ATTEMPTS,
+          YarnConfiguration.DEFAULT_RM_AM_MAX_ATTEMPTS);
+      Configuration conf = new Configuration();
+      conf.setBoolean(YarnConfiguration.RM_RESERVATION_SYSTEM_ENABLE, true);
+      conf.setInt(YarnConfiguration.RM_AM_MAX_ATTEMPTS,
+          YarnConfiguration.DEFAULT_RM_AM_MAX_ATTEMPTS);
+      conf.setClass(YarnConfiguration.RM_SCHEDULER, CapacityScheduler.class,
+          ResourceScheduler.class);
+      CapacitySchedulerConfiguration csconf =
+          new CapacitySchedulerConfiguration(conf);
+      String[] queues = { "default", "dedicated" };
+      csconf.setQueues("root", queues);
+      csconf.setCapacity("root.default", 50.0f);
+      csconf.setCapacity("root.dedicated", 50.0f);
+      csconf.setReservable("root.dedicated", true);
+
+      rm = new MockRM(csconf);
+      bind(ResourceManager.class).toInstance(rm);
+      if (setAuthFilter) {
+        filter("/*").through(TestRMCustomAuthFilter.class);
+      }
+      serve("/*").with(GuiceContainer.class);
+    }
+  }
+
+  private class CapTestServletModule extends TestServletModule {
+    @Override
+    public void configureScheduler() {
+      conf.set("yarn.resourcemanager.scheduler.class",
+          CapacityScheduler.class.getName());
+    }
+  }
+
+  private class FairTestServletModule extends TestServletModule {
+    @Override
+    public void configureScheduler() {
+      try {
+        PrintWriter out = new PrintWriter(new FileWriter(FS_ALLOC_FILE));
+        out.println("<?xml version=\"1.0\"?>");
+        out.println("<allocations>");
+        out.println("<queue name=\"root\">");
+        out.println("  <aclAdministerApps>someuser </aclAdministerApps>");
+        out.println("  <queue name=\"default\">");
+        out.println("    <aclAdministerApps>someuser </aclAdministerApps>");
+        out.println("  </queue>");
+        out.println("  <queue name=\"dedicated\">");
+        out.println("    <aclAdministerApps>someuser </aclAdministerApps>");
+        out.println("  </queue>");
+        out.println("</queue>");
+        out.println("</allocations>");
+        out.close();
+      } catch (IOException e) {
+      }
+      conf.set(FairSchedulerConfiguration.ALLOCATION_FILE, FS_ALLOC_FILE);
+      conf.set("yarn.resourcemanager.scheduler.class",
+          FairScheduler.class.getName());
+    }
+  }
+
+  private Injector getNoAuthInjectorCap() {
+    return Guice.createInjector(new CapTestServletModule() {
+      @Override
+      protected void configureServlets() {
+        setAuthFilter = false;
+        super.configureServlets();
+      }
+    });
+  }
+
+  private Injector getSimpleAuthInjectorCap() {
+    return Guice.createInjector(new CapTestServletModule() {
+      @Override
+      protected void configureServlets() {
+        setAuthFilter = true;
+        conf.setBoolean(YarnConfiguration.YARN_ACL_ENABLE, true);
+        // set the admin acls otherwise all users are considered admins
+        // and we can't test authorization
+        conf.setStrings(YarnConfiguration.YARN_ADMIN_ACL, "testuser1");
+        super.configureServlets();
+      }
+    });
+  }
+
+  private Injector getNoAuthInjectorFair() {
+    return Guice.createInjector(new FairTestServletModule() {
+      @Override
+      protected void configureServlets() {
+        setAuthFilter = false;
+        super.configureServlets();
+      }
+    });
+  }
+
+  private Injector getSimpleAuthInjectorFair() {
+    return Guice.createInjector(new FairTestServletModule() {
+      @Override
+      protected void configureServlets() {
+        setAuthFilter = true;
+        conf.setBoolean(YarnConfiguration.YARN_ACL_ENABLE, true);
+        // set the admin acls otherwise all users are considered admins
+        // and we can't test authorization
+        conf.setStrings(YarnConfiguration.YARN_ADMIN_ACL, "testuser1");
+        super.configureServlets();
+      }
+    });
+  }
+
+  @Parameters
+  public static Collection<Object[]> guiceConfigs() {
+    return Arrays.asList(new Object[][] { { 0 }, { 1 }, { 2 }, { 3 } });
+  }
+
+  @Before
+  @Override
+  public void setUp() throws Exception {
+    super.setUp();
+  }
+
+  public TestRMWebServicesReservation(int run) {
+    super(new WebAppDescriptor.Builder(
+        "org.apache.hadoop.yarn.server.resourcemanager.webapp")
+        .contextListenerClass(GuiceServletConfig.class)
+        .filterClass(com.google.inject.servlet.GuiceFilter.class)
+        .clientConfig(new DefaultClientConfig(JAXBContextResolver.class))
+        .contextPath("jersey-guice-filter").servletPath("/").build());
+    switch (run) {
+    case 0:
+    default:
+      // No Auth Capacity Scheduler
+      injector = getNoAuthInjectorCap();
+      break;
+    case 1:
+      // Simple Auth Capacity Scheduler
+      injector = getSimpleAuthInjectorCap();
+      break;
+    case 2:
+      // No Auth Fair Scheduler
+      injector = getNoAuthInjectorFair();
+      break;
+    case 3:
+      // Simple Auth Fair Scheduler
+      injector = getSimpleAuthInjectorFair();
+      break;
+    }
+  }
+
+  private boolean isAuthenticationEnabled() {
+    return setAuthFilter;
+  }
+
+  private WebResource constructWebResource(WebResource r, String... paths) {
+    WebResource rt = r;
+    for (String path : paths) {
+      rt = rt.path(path);
+    }
+    if (isAuthenticationEnabled()) {
+      rt = rt.queryParam("user.name", webserviceUserName);
+    }
+    return rt;
+  }
+
+  private WebResource constructWebResource(String... paths) {
+    WebResource r = resource();
+    WebResource ws = r.path("ws").path("v1").path("cluster");
+    return this.constructWebResource(ws, paths);
+  }
+
+  @After
+  @Override
+  public void tearDown() throws Exception {
+    if (rm != null) {
+      rm.stop();
+    }
+    super.tearDown();
+  }
+
+  @Test
+  public void testSubmitReservation() throws JSONException, Exception {
+    rm.start();
+    for (int i = 0; i < 100; i++) {
+      MockNM amNodeManager =
+          rm.registerNode("127.0.0." + i + ":1234", 100 * 1024);
+      amNodeManager.nodeHeartbeat(true);
+    }
+    ReservationId rid =
+        testSubmissionReservationHelper("reservation/submit",
+            MediaType.APPLICATION_JSON);
+    if (this.isAuthenticationEnabled()) {
+      assertNotNull(rid);
+    }
+    rm.stop();
+  }
+
+  @Test
+  public void testFailedSubmitReservation() throws JSONException, Exception {
+    rm.start();
+    // setup a cluster too small to accept the reservation
+    for (int i = 0; i < 1; i++) {
+      MockNM amNodeManager =
+          rm.registerNode("127.0.0." + i + ":1234", 100 * 1024);
+      amNodeManager.nodeHeartbeat(true);
+    }
+    ReservationId rid =
+        testSubmissionReservationHelper("reservation/submit",
+            MediaType.APPLICATION_JSON);
+    assertNull(rid);
+    rm.stop();
+  }
+
+  @Test
+  public void testUpdateReservation() throws JSONException, Exception {
+    rm.start();
+    for (int i = 0; i < 100; i++) {
+      MockNM amNodeManager =
+          rm.registerNode("127.0.0." + i + ":1234", 100 * 1024);
+      amNodeManager.nodeHeartbeat(true);
+    }
+    ReservationId rid =
+        testSubmissionReservationHelper("reservation/submit",
+            MediaType.APPLICATION_JSON);
+    if (this.isAuthenticationEnabled()) {
+      assertNotNull(rid);
+    }
+    testUpdateReservationHelper("reservation/update", rid,
+        MediaType.APPLICATION_JSON);
+
+    rm.stop();
+  }
+
+  @Test
+  public void testDeleteReservation() throws JSONException, Exception {
+    rm.start();
+    for (int i = 0; i < 100; i++) {
+      MockNM amNodeManager =
+          rm.registerNode("127.0.0." + i + ":1234", 100 * 1024);
+      amNodeManager.nodeHeartbeat(true);
+    }
+    ReservationId rid =
+        testSubmissionReservationHelper("reservation/submit",
+            MediaType.APPLICATION_JSON);
+    if (this.isAuthenticationEnabled()) {
+      assertNotNull(rid);
+    }
+    testDeleteReservationHelper("reservation/delete", rid,
+        MediaType.APPLICATION_JSON);
+
+    rm.stop();
+  }
+
+  private ReservationId testSubmissionReservationHelper(String path,
+      String media) throws JSONException, Exception {
+
+    String reservationJson = loadJsonFile("submit-reservation.json");
+
+    JSONJAXBContext jc =
+        new JSONJAXBContext(JSONConfiguration.mapped()
+            .build(), ReservationSubmissionRequestInfo.class);
+    JSONUnmarshaller unmarshaller = jc.createJSONUnmarshaller();
+    ReservationSubmissionRequestInfo rsci =
+        unmarshaller.unmarshalFromJSON(new StringReader(reservationJson),
+            ReservationSubmissionRequestInfo.class);
+
+    Thread.sleep(1000);
+    ClientResponse response =
+        constructWebResource(path).entity(rsci, MediaType.APPLICATION_JSON)
+            .accept(media).post(ClientResponse.class);
+
+    if (!this.isAuthenticationEnabled()) {
+      assertEquals(Status.UNAUTHORIZED, response.getClientResponseStatus());
+      return null;
+    }
+
+    System.out.println("RESPONSE:" + response);
+    assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType());
+    JSONObject json = response.getEntity(JSONObject.class);
+
+    assertEquals("incorrect number of elements", 1, json.length());
+    ReservationId rid = null;
+    try {
+      rid = ReservationId.parseReservationId(json.getString("reservation-id"));
+      assertEquals("incorrect return value", rid.getId(), 1);
+    } catch (JSONException j) {
+      // failure is possible and is checked outside
+    }
+    return rid;
+  }
+
+  private void testUpdateReservationHelper(String path,
+      ReservationId reservationId, String media) throws JSONException,
+      Exception {
+
+    String reservationJson = loadJsonFile("update-reservation.json");
+
+    JSONJAXBContext jc =
+        new JSONJAXBContext(JSONConfiguration.mapped()
+            .build(), ReservationUpdateRequestInfo.class);
+    JSONUnmarshaller unmarshaller = jc.createJSONUnmarshaller();
+    ReservationUpdateRequestInfo rsci =
+        unmarshaller.unmarshalFromJSON(new StringReader(reservationJson),
+            ReservationUpdateRequestInfo.class);
+    if (this.isAuthenticationEnabled()) {
+      // only works when previous submit worked
+      if(rsci.getReservationId() == null) {
+        throw new IOException("Incorrectly parsed the reservatinId");
+      }
+      rsci.setReservationId(reservationId.toString());
+    }
+
+    Thread.sleep(1000);
+    ClientResponse response =
+        constructWebResource(path).entity(rsci, MediaType.APPLICATION_JSON)
+            .accept(media).post(ClientResponse.class);
+
+    if (!this.isAuthenticationEnabled()) {
+      assertEquals(Status.UNAUTHORIZED, response.getClientResponseStatus());
+      return;
+    }
+
+    System.out.println("RESPONSE:" + response);
+    assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType());
+    assertEquals(Status.OK, response.getClientResponseStatus());
+
+  }
+
+  private String loadJsonFile(String filename) throws IOException {
+    ClassLoader cL = Thread.currentThread().getContextClassLoader();
+    if (cL == null) {
+      cL = Configuration.class.getClassLoader();
+    }
+    URL submitURI = cL.getResource(filename);
+
+    String reservationJson =
+        FileUtils.readFileToString(new File(submitURI.getFile()));
+    return reservationJson;
+  }
+
+  private void testDeleteReservationHelper(String path,
+      ReservationId reservationId, String media) throws JSONException,
+      Exception {
+
+    String reservationJson = loadJsonFile("delete-reservation.json");
+
+    JSONJAXBContext jc =
+        new JSONJAXBContext(JSONConfiguration.mapped()
+            .build(), ReservationDeleteRequestInfo.class);
+    JSONUnmarshaller unmarshaller = jc.createJSONUnmarshaller();
+    ReservationDeleteRequestInfo rsci =
+        unmarshaller.unmarshalFromJSON(new StringReader(reservationJson),
+            ReservationDeleteRequestInfo.class);
+    if (this.isAuthenticationEnabled()) {
+      // only works when previous submit worked
+      if(rsci.getReservationId() == null) {
+        throw new IOException("Incorrectly parsed the reservatinId");
+      }
+      rsci.setReservationId(reservationId.toString());
+    }
+
+    Thread.sleep(1000);
+    ClientResponse response =
+        constructWebResource(path).entity(rsci, MediaType.APPLICATION_JSON)
+            .accept(media).post(ClientResponse.class);
+
+    if (!this.isAuthenticationEnabled()) {
+      assertEquals(Status.UNAUTHORIZED, response.getClientResponseStatus());
+      return;
+    }
+
+    System.out.println("RESPONSE:" + response);
+    assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType());
+    assertEquals(Status.OK, response.getClientResponseStatus());
+
+  }
+
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/resources/delete-reservation.json

@@ -0,0 +1,3 @@
+{
+  "reservation-id" : "reservation_12341234_1"
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/resources/submit-reservation.json

@@ -0,0 +1,31 @@
+{
+  "queue" : "dedicated",
+  "reservation-definition" : {
+     "arrival" : 1765541532000,
+     "deadline" : 1765542252000,
+     "reservation-name" : "res_1",
+     "reservation-requests" : {
+        "reservation-request-interpreter" : 0,
+        "reservation-request" : [
+           {
+             "duration" : 60,
+             "num-containers" : 220,
+             "min-concurrency" : 220,
+             "capability" : {
+               "memory" : 1024,
+               "vCores" : 1
+             }
+           },
+           {
+             "duration" : 120,
+             "num-containers" : 110,
+             "min-concurrency" : 110,
+             "capability" : {
+               "memory" : 1024,
+               "vCores" : 1
+             }
+           }
+        ]
+     }
+   }
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/resources/update-reservation.json

@@ -0,0 +1,31 @@
+{
+  "reservation-id" : "reservation_12341234_1",
+  "reservation-definition" : {
+     "arrival" : 1765541532000,
+     "deadline" : 1765542252000,
+     "reservation-name" : "res_1",
+     "reservation-requests" : {
+        "reservation-request-interpreter" : 0,
+        "reservation-request" : [
+           {
+             "duration" : 60,
+             "num-containers" : 100,
+             "min-concurrency" : 1,
+             "capability" : {
+               "memory" : 1024,
+               "vCores" : 1
+             }
+           },
+           {
+             "duration" : 120,
+             "num-containers" : 40,
+             "min-concurrency" : 1,
+             "capability" : {
+               "memory" : 1024,
+               "vCores" : 1
+             }
+           }
+          ]
+     }
+   }
+}