YARN-11224. [Federation] Add getAppQueue, updateAppQueue REST APIs for Router.

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

@@ -1312,14 +1312,52 @@ public Response updateApplicationPriority(AppPriority targetPriority,
   @Override
   public AppQueue getAppQueue(HttpServletRequest hsr, String appId)
       throws AuthorizationException {
-    throw new NotImplementedException("Code is not implemented");
+
+    if (appId == null || appId.isEmpty()) {
+      throw new IllegalArgumentException("Parameter error, the appId is empty or null.");
+    }
+
+    try {
+      SubClusterInfo subClusterInfo = getHomeSubClusterInfoByAppId(appId);
+      DefaultRequestInterceptorREST interceptor = getOrCreateInterceptorForSubCluster(
+          subClusterInfo.getSubClusterId(), subClusterInfo.getRMWebServiceAddress());
+      return interceptor.getAppQueue(hsr, appId);
+    } catch (IllegalArgumentException e) {
+      RouterServerUtil.logAndThrowRunTimeException(e,
+          "Unable to get queue by appId: %s.", appId);
+    } catch (YarnException e) {
+      RouterServerUtil.logAndThrowRunTimeException("getAppQueue Failed.", e);
+    }
+
+    return null;
   }
 
   @Override
   public Response updateAppQueue(AppQueue targetQueue, HttpServletRequest hsr,
       String appId) throws AuthorizationException, YarnException,
       InterruptedException, IOException {
-    throw new NotImplementedException("Code is not implemented");
+
+    if (appId == null || appId.isEmpty()) {
+      throw new IllegalArgumentException("Parameter error, the appId is empty or null.");
+    }
+
+    if (targetQueue == null) {
+      throw new IllegalArgumentException("Parameter error, the targetQueue is null.");
+    }
+
+    try {
+      SubClusterInfo subClusterInfo = getHomeSubClusterInfoByAppId(appId);
+      DefaultRequestInterceptorREST interceptor = getOrCreateInterceptorForSubCluster(
+          subClusterInfo.getSubClusterId(), subClusterInfo.getRMWebServiceAddress());
+      return interceptor.updateAppQueue(targetQueue, hsr, appId);
+    } catch (IllegalArgumentException e) {
+      RouterServerUtil.logAndThrowRunTimeException(e,
+          "Unable to update app queue by appId: %s.", appId);
+    } catch (YarnException e) {
+      RouterServerUtil.logAndThrowRunTimeException("updateAppQueue Failed.", e);
+    }
+
+    return null;
   }
 
   @Override

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

@@ -35,9 +35,9 @@
 import javax.ws.rs.core.Response.Status;
 
 import org.apache.commons.lang3.EnumUtils;
+import org.apache.commons.lang3.StringUtils;
 import org.apache.hadoop.security.authorize.AuthorizationException;
 import org.apache.hadoop.util.Sets;
-import org.apache.hadoop.util.StringUtils;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.Resource;
 import org.apache.hadoop.yarn.api.records.ContainerId;
@@ -77,6 +77,7 @@
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppTimeoutInfo;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppTimeoutsInfo;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppPriority;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppQueue;
 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;
@@ -621,4 +622,43 @@ public AppPriority getAppPriority(HttpServletRequest hsr, String appId)
 
     return new AppPriority(priority.getPriority());
   }
+
+  @Override
+  public AppQueue getAppQueue(HttpServletRequest hsr, String appId)
+      throws AuthorizationException {
+    if (!isRunning) {
+      throw new RuntimeException("RM is stopped");
+    }
+    ApplicationId applicationId = ApplicationId.fromString(appId);
+    if (!applicationMap.containsKey(applicationId)) {
+      throw new NotFoundException("app with id: " + appId + " not found");
+    }
+    String queue = applicationMap.get(applicationId).getQueue();
+    return new AppQueue(queue);
+  }
+
+  @Override
+  public Response updateAppQueue(AppQueue targetQueue, HttpServletRequest hsr, String appId)
+      throws AuthorizationException, YarnException, InterruptedException, IOException {
+    if (!isRunning) {
+      throw new RuntimeException("RM is stopped");
+    }
+    ApplicationId applicationId = ApplicationId.fromString(appId);
+    if (!applicationMap.containsKey(applicationId)) {
+      throw new NotFoundException("app with id: " + appId + " not found");
+    }
+    if (targetQueue == null || StringUtils.isBlank(targetQueue.getQueue())) {
+      return Response.status(Status.BAD_REQUEST).build();
+    }
+
+    ApplicationReport appReport = applicationMap.get(applicationId);
+    String originalQueue = appReport.getQueue();
+    appReport.setQueue(targetQueue.getQueue());
+    applicationMap.put(applicationId, appReport);
+    LOG.info("Update applicationId = {} from originalQueue = {} to targetQueue = {}.",
+        appId, originalQueue, targetQueue);
+
+    AppQueue targetAppQueue = new AppQueue(targetQueue.getQueue());
+    return Response.status(Status.OK).entity(targetAppQueue).build();
+  }
 }

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

@@ -62,6 +62,7 @@
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppTimeoutInfo;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppTimeoutsInfo;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppPriority;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppQueue;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.NodeIDsInfo;
 import org.apache.hadoop.yarn.server.webapp.dao.ContainerInfo;
 import org.apache.hadoop.yarn.server.webapp.dao.ContainersInfo;
@@ -900,4 +901,52 @@ public void testGetAppPriority() throws IOException, InterruptedException,
     Assert.assertNotNull(appPriority);
     Assert.assertEquals(priority, appPriority.getPriority());
   }
+
+  @Test
+  public void testUpdateAppQueue() throws IOException, InterruptedException,
+      YarnException {
+
+    String oldQueue = "oldQueue";
+    String newQueue = "newQueue";
+
+    // Submit application to multiSubCluster
+    ApplicationId appId = ApplicationId.newInstance(Time.now(), 1);
+    ApplicationSubmissionContextInfo context = new ApplicationSubmissionContextInfo();
+    context.setApplicationId(appId.toString());
+    context.setQueue(oldQueue);
+
+    // Submit the application
+    Assert.assertNotNull(interceptor.submitApplication(context, null));
+
+    // Set New Queue for application
+    Response response = interceptor.updateAppQueue(new AppQueue(newQueue),
+        null, appId.toString());
+
+    Assert.assertNotNull(response);
+    AppQueue appQueue = (AppQueue) response.getEntity();
+    Assert.assertEquals(newQueue, appQueue.getQueue());
+
+    // Get AppQueue by application
+    AppQueue queue = interceptor.getAppQueue(null, appId.toString());
+    Assert.assertNotNull(queue);
+    Assert.assertEquals(newQueue, queue.getQueue());
+  }
+
+  @Test
+  public void testGetAppQueue() throws IOException, InterruptedException, YarnException {
+    String queueName = "queueName";
+
+    // Submit application to multiSubCluster
+    ApplicationId appId = ApplicationId.newInstance(Time.now(), 1);
+    ApplicationSubmissionContextInfo context = new ApplicationSubmissionContextInfo();
+    context.setApplicationId(appId.toString());
+    context.setQueue(queueName);
+
+    Assert.assertNotNull(interceptor.submitApplication(context, null));
+
+    // Get Queue by application
+    AppQueue queue = interceptor.getAppQueue(null, appId.toString());
+    Assert.assertNotNull(queue);
+    Assert.assertEquals(queueName, queue.getQueue());
+  }
 }