YARN-8973. [Router] Add missing methods in RMWebProtocol. (apache#4664)

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

@@ -62,6 +62,7 @@
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ResourceOptionInfo;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.BulkActivitiesInfo;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.SchedulerTypeInfo;
+import org.apache.hadoop.yarn.webapp.dao.SchedConfUpdateInfo;
 
 /**
  * <p>
@@ -745,4 +746,31 @@ RMQueueAclInfo checkUserAccessToQueue(String queue, String username,
    */
   Response signalToContainer(String containerId, String command,
       HttpServletRequest req) throws AuthorizationException;
+
+  /**
+   * This method updates the Scheduler configuration, and it is reachable by
+   * using {@link RMWSConsts#SCHEDULER_CONF}.
+   *
+   * @param mutationInfo th information for making scheduler configuration
+   *        changes (supports adding, removing, or updating a queue, as well
+   *        as global scheduler conf changes)
+   * @param hsr the servlet request
+   * @return Response containing the status code
+   * @throws AuthorizationException if the user is not authorized to invoke this
+   *         method
+   * @throws InterruptedException if interrupted
+   */
+  Response updateSchedulerConfiguration(SchedConfUpdateInfo mutationInfo,
+      HttpServletRequest hsr) throws AuthorizationException, InterruptedException;
+
+  /**
+   * This method retrieves all the Scheduler configuration, and it is reachable
+   * by using {@link RMWSConsts#SCHEDULER_CONF}.
+   *
+   * @param hsr the servlet request
+   * @return Response containing the status code
+   * @throws AuthorizationException if the user is not authorized to invoke this
+   *         method.
+   */
+  Response getSchedulerConfiguration(HttpServletRequest hsr) throws AuthorizationException;
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/main/java/org/apache/hadoop/yarn/server/router/webapp/DefaultRequestInterceptorREST.java

@@ -66,6 +66,7 @@
 import org.apache.hadoop.yarn.server.webapp.dao.AppAttemptInfo;
 import org.apache.hadoop.yarn.server.webapp.dao.ContainerInfo;
 import org.apache.hadoop.yarn.server.webapp.dao.ContainersInfo;
+import org.apache.hadoop.yarn.webapp.dao.SchedConfUpdateInfo;
 import org.apache.hadoop.yarn.webapp.util.WebAppUtils;
 
 /**
@@ -565,6 +566,25 @@ public ContainerInfo getContainer(HttpServletRequest req,
         null, null, getConf(), client);
   }
 
+  @Override
+  public Response updateSchedulerConfiguration(SchedConfUpdateInfo mutationInfo,
+      HttpServletRequest req)
+      throws AuthorizationException, InterruptedException {
+    return RouterWebServiceUtil.genericForward(webAppAddress, req,
+        Response.class, HTTPMethods.PUT,
+        RMWSConsts.RM_WEB_SERVICE_PATH + RMWSConsts.SCHEDULER_CONF,
+        mutationInfo, null, getConf(), client);
+  }
+
+  @Override
+  public Response getSchedulerConfiguration(HttpServletRequest req)
+      throws AuthorizationException {
+    return RouterWebServiceUtil.genericForward(webAppAddress, req,
+        Response.class, HTTPMethods.GET,
+        RMWSConsts.RM_WEB_SERVICE_PATH + RMWSConsts.SCHEDULER_CONF,
+        null, null, getConf(), client);
+  }
+
   @Override
   public void setNextInterceptor(RESTRequestInterceptor next) {
     throw new YarnRuntimeException("setNextInterceptor is being called on "

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/main/java/org/apache/hadoop/yarn/server/router/webapp/FederationInterceptorREST.java

@@ -101,6 +101,7 @@
 import org.apache.hadoop.yarn.server.webapp.dao.AppAttemptInfo;
 import org.apache.hadoop.yarn.server.webapp.dao.ContainerInfo;
 import org.apache.hadoop.yarn.server.webapp.dao.ContainersInfo;
+import org.apache.hadoop.yarn.webapp.dao.SchedConfUpdateInfo;
 import org.apache.hadoop.yarn.util.Clock;
 import org.apache.hadoop.yarn.util.MonotonicClock;
 import org.apache.hadoop.yarn.webapp.NotFoundException;
@@ -1417,6 +1418,19 @@ public ContainerInfo getContainer(HttpServletRequest req,
     throw new NotImplementedException("Code is not implemented");
   }
 
+  @Override
+  public Response updateSchedulerConfiguration(SchedConfUpdateInfo mutationInfo,
+      HttpServletRequest hsr)
+      throws AuthorizationException, InterruptedException {
+    throw new NotImplementedException("Code is not implemented");
+  }
+
+  @Override
+  public Response getSchedulerConfiguration(HttpServletRequest hsr)
+      throws AuthorizationException {
+    throw new NotImplementedException("Code is not implemented");
+  }
+
   @Override
   public void setNextInterceptor(RESTRequestInterceptor next) {
     throw new YarnRuntimeException("setNextInterceptor is being called on "

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/main/java/org/apache/hadoop/yarn/server/router/webapp/RouterWebServices.java

@@ -89,6 +89,7 @@
 import org.apache.hadoop.yarn.server.webapp.dao.ContainerInfo;
 import org.apache.hadoop.yarn.server.webapp.dao.ContainersInfo;
 import org.apache.hadoop.yarn.util.LRUCacheHashMap;
+import org.apache.hadoop.yarn.webapp.dao.SchedConfUpdateInfo;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -956,6 +957,33 @@ public ContainerInfo getContainer(@Context HttpServletRequest req,
         appAttemptId, containerId);
   }
 
+  @PUT
+  @Path(RMWSConsts.SCHEDULER_CONF)
+  @Produces({ MediaType.APPLICATION_JSON + "; " + JettyUtils.UTF_8,
+      MediaType.APPLICATION_XML + "; " + JettyUtils.UTF_8 })
+  @Consumes({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
+  @Override
+  public Response updateSchedulerConfiguration(SchedConfUpdateInfo mutationInfo,
+      HttpServletRequest hsr)
+      throws AuthorizationException, InterruptedException {
+    init();
+    RequestInterceptorChainWrapper pipeline = getInterceptorChain(hsr);
+    return pipeline.getRootInterceptor()
+        .updateSchedulerConfiguration(mutationInfo, hsr);
+  }
+
+  @GET
+  @Path(RMWSConsts.SCHEDULER_CONF)
+  @Produces({ MediaType.APPLICATION_JSON + "; " + JettyUtils.UTF_8,
+      MediaType.APPLICATION_XML + "; " + JettyUtils.UTF_8 })
+  @Override
+  public Response getSchedulerConfiguration(HttpServletRequest hsr)
+      throws AuthorizationException {
+    init();
+    RequestInterceptorChainWrapper pipeline = getInterceptorChain(hsr);
+    return pipeline.getRootInterceptor().getSchedulerConfiguration(hsr);
+  }
+
   @VisibleForTesting
   protected void setResponse(HttpServletResponse response) {
     this.response = response;

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/test/java/org/apache/hadoop/yarn/server/router/webapp/BaseRouterWebServicesTest.java

@@ -395,4 +395,16 @@ private HttpServletRequest createHttpServletRequest(String user) {
     when(request.getRemoteUser()).thenReturn(user);
     return request;
   }
+
+  protected Response updateSchedulerConfiguration(String user)
+      throws IOException, InterruptedException {
+    return routerWebService.updateSchedulerConfiguration(null,
+        createHttpServletRequest(user));
+  }
+
+  protected Response getSchedulerConfiguration(String user)
+      throws IOException, InterruptedException {
+    return routerWebService.
+        getSchedulerConfiguration(createHttpServletRequest(user));
+  }
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/test/java/org/apache/hadoop/yarn/server/router/webapp/MockRESTRequestInterceptor.java

@@ -62,6 +62,7 @@
 import org.apache.hadoop.yarn.server.webapp.dao.AppAttemptInfo;
 import org.apache.hadoop.yarn.server.webapp.dao.ContainerInfo;
 import org.apache.hadoop.yarn.server.webapp.dao.ContainersInfo;
+import org.apache.hadoop.yarn.webapp.dao.SchedConfUpdateInfo;
 
 /**
  * This class mocks the RESTRequestInterceptor.
@@ -373,4 +374,16 @@ public Response signalToContainer(String containerId, String command,
       HttpServletRequest req) {
     return Response.status(Status.OK).build();
   }
+
+  @Override
+  public Response updateSchedulerConfiguration(SchedConfUpdateInfo mutationInfo,
+      HttpServletRequest hsr) throws AuthorizationException, InterruptedException {
+    return Response.status(Status.OK).build();
+  }
+
+  @Override
+  public Response getSchedulerConfiguration(HttpServletRequest hsr)
+      throws AuthorizationException {
+    return Response.status(Status.OK).build();
+  }
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/test/java/org/apache/hadoop/yarn/server/router/webapp/PassThroughRESTRequestInterceptor.java

@@ -60,6 +60,7 @@
 import org.apache.hadoop.yarn.server.webapp.dao.AppAttemptInfo;
 import org.apache.hadoop.yarn.server.webapp.dao.ContainerInfo;
 import org.apache.hadoop.yarn.server.webapp.dao.ContainersInfo;
+import org.apache.hadoop.yarn.webapp.dao.SchedConfUpdateInfo;
 
 /**
  * Mock interceptor that does not do anything other than forwarding it to the
@@ -379,4 +380,17 @@ public Response signalToContainer(String containerId,
       String command, HttpServletRequest req) throws AuthorizationException {
     return getNextInterceptor().signalToContainer(containerId, command, req);
   }
+
+  @Override
+  public Response updateSchedulerConfiguration(SchedConfUpdateInfo mutationInfo,
+      HttpServletRequest hsr)
+      throws AuthorizationException, InterruptedException {
+    return getNextInterceptor().updateSchedulerConfiguration(mutationInfo, hsr);
+  }
+
+  @Override
+  public Response getSchedulerConfiguration(HttpServletRequest hsr)
+      throws AuthorizationException {
+    return getNextInterceptor().getSchedulerConfiguration(hsr);
+  }
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/test/java/org/apache/hadoop/yarn/server/router/webapp/TestRouterWebServices.java

@@ -200,6 +200,12 @@ public void testRouterWebServicesE2E() throws Exception {
 
     ContainerInfo containerInfo = getContainer(user);
     Assert.assertNotNull(containerInfo);
+
+    Response response19 = updateSchedulerConfiguration(user);
+    Assert.assertNotNull(response19);
+
+    Response response20 = getSchedulerConfiguration(user);
+    Assert.assertNotNull(response20);
   }
 
   /**