diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/test/java/org/apache/hadoop/yarn/server/router/subcluster/capacity/TestYarnFederationWithCapacityScheduler.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/test/java/org/apache/hadoop/yarn/server/router/subcluster/capacity/TestYarnFederationWithCapacityScheduler.java
index e625f257a4a47..e31fcd9cdc217 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/test/java/org/apache/hadoop/yarn/server/router/subcluster/capacity/TestYarnFederationWithCapacityScheduler.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/test/java/org/apache/hadoop/yarn/server/router/subcluster/capacity/TestYarnFederationWithCapacityScheduler.java
@@ -24,6 +24,7 @@
 import org.apache.hadoop.test.GenericTestUtils;
 import org.apache.hadoop.util.Sets;
 import org.apache.hadoop.yarn.api.records.ApplicationTimeoutType;
+import org.apache.hadoop.yarn.api.records.NodeLabel;
 import org.apache.hadoop.yarn.exceptions.YarnException;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ClusterInfo;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ClusterUserInfo;
@@ -48,6 +49,8 @@
 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.ReservationDeleteRequestInfo;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.NodeLabelsInfo;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.LabelsToNodesInfo;
 import org.apache.hadoop.yarn.server.router.subcluster.TestFederationSubCluster;
 import org.apache.hadoop.yarn.server.router.webapp.dao.FederationClusterInfo;
 import org.apache.hadoop.yarn.server.router.webapp.dao.FederationClusterUserInfo;
@@ -65,29 +68,7 @@
 import java.util.concurrent.TimeoutException;
 
 import static javax.servlet.http.HttpServletResponse.SC_OK;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.RM_WEB_SERVICE_PATH;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.INFO;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.CLUSTER_USER_INFO;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.METRICS;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.SCHEDULER;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.NODES;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.STATES;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.NODES_NODEID;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.SCHEDULER_ACTIVITIES;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.APPS_NEW_APPLICATION;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.APP_STATISTICS;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.APPS;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.APPS_APPID;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.APPS_APPID_APPATTEMPTS;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.APPS_APPID_STATE;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.APPS_APPID_PRIORITY;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.APPS_APPID_QUEUE;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.APPS_TIMEOUTS;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.APPS_TIMEOUT;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.RESERVATION_NEW;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.RESERVATION_SUBMIT;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.RESERVATION_UPDATE;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.RESERVATION_DELETE;
+import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.*;
 import static org.apache.hadoop.yarn.server.router.subcluster.TestFederationSubCluster.format;
 import static org.apache.hadoop.yarn.server.router.subcluster.TestFederationSubCluster.getNodeId;
 import static org.apache.hadoop.yarn.server.router.webapp.HTTPMethods.POST;
@@ -524,4 +505,48 @@ public void testDeleteReservation() throws Exception {
     String entity = response.getEntity(String.class);
     assertNotNull(entity);
   }
+
+  @Test
+  public void testGetClusterNodeLabels() throws Exception {
+    NodeLabelsInfo nodeLabelsInfo = TestFederationSubCluster.performGetCalls(ROUTER_WEB_ADDRESS,
+        RM_WEB_SERVICE_PATH + GET_NODE_LABELS, NodeLabelsInfo.class, null, null);
+    assertNotNull(nodeLabelsInfo);
+  }
+
+  @Test
+  public void testGetLabelsOnNode() throws Exception {
+    String rm1NodeId = getNodeId(SC1_RM_WEB_ADDRESS);
+    NodeLabelsInfo nodeLabelsInfo = TestFederationSubCluster.performGetCalls(ROUTER_WEB_ADDRESS,
+        RM_WEB_SERVICE_PATH + format(NODES_NODEID_GETLABELS, rm1NodeId),
+        NodeLabelsInfo.class, null, null);
+    assertNotNull(nodeLabelsInfo);
+  }
+
+  @Test
+  public void testGetLabelsMappingEmpty() throws Exception {
+    LabelsToNodesInfo labelsToNodesInfo = TestFederationSubCluster.performGetCalls(
+        ROUTER_WEB_ADDRESS, RM_WEB_SERVICE_PATH + LABEL_MAPPINGS,
+        LabelsToNodesInfo.class, null, null);
+    assertNotNull(labelsToNodesInfo);
+  }
+
+  @Test
+  public void testGetLabelsMapping() throws Exception {
+    LabelsToNodesInfo labelsToNodesInfo = TestFederationSubCluster.performGetCalls(
+        ROUTER_WEB_ADDRESS, RM_WEB_SERVICE_PATH + LABEL_MAPPINGS,
+        LabelsToNodesInfo.class, LABELS, "label1");
+    assertNotNull(labelsToNodesInfo);
+  }
+
+  @Test
+  public void testAddToClusterNodeLabels() throws Exception {
+    List<NodeLabel> nodeLabels = new ArrayList<>();
+    nodeLabels.add(NodeLabel.newInstance("default"));
+    NodeLabelsInfo context = new NodeLabelsInfo(nodeLabels);
+    ClientResponse response = TestFederationSubCluster.performCall(ROUTER_WEB_ADDRESS,
+        RM_WEB_SERVICE_PATH + ADD_NODE_LABELS, null, null, context, POST);
+    assertEquals(SC_OK, response.getStatus());
+    String entity = response.getEntity(String.class);
+    assertNotNull(entity);
+  }
 }
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/test/java/org/apache/hadoop/yarn/server/router/subcluster/fair/TestYarnFederationWithFairScheduler.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/test/java/org/apache/hadoop/yarn/server/router/subcluster/fair/TestYarnFederationWithFairScheduler.java
index dc1184c855be6..f5e71fa4a1c56 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/test/java/org/apache/hadoop/yarn/server/router/subcluster/fair/TestYarnFederationWithFairScheduler.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/test/java/org/apache/hadoop/yarn/server/router/subcluster/fair/TestYarnFederationWithFairScheduler.java
@@ -26,6 +26,7 @@
 import org.apache.hadoop.yarn.api.records.Resource;
 import org.apache.hadoop.yarn.api.records.ResourceOption;
 import org.apache.hadoop.yarn.api.records.ApplicationTimeoutType;
+import org.apache.hadoop.yarn.api.records.NodeLabel;
 import org.apache.hadoop.yarn.exceptions.YarnException;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ClusterInfo;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ClusterUserInfo;
@@ -52,6 +53,8 @@
 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.ReservationDeleteRequestInfo;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.NodeLabelsInfo;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.LabelsToNodesInfo;
 import org.apache.hadoop.yarn.server.router.subcluster.TestFederationSubCluster;
 import org.apache.hadoop.yarn.server.router.webapp.dao.FederationClusterInfo;
 import org.apache.hadoop.yarn.server.router.webapp.dao.FederationClusterUserInfo;
@@ -68,30 +71,7 @@
 import java.util.Set;
 import java.util.concurrent.TimeoutException;
 
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.RM_WEB_SERVICE_PATH;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.INFO;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.CLUSTER_USER_INFO;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.METRICS;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.SCHEDULER;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.NODES;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.STATES;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.NODES_NODEID;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.SCHEDULER_ACTIVITIES;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.APPS_NEW_APPLICATION;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.NODE_RESOURCE;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.APP_STATISTICS;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.APP_ID;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.APPS;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.APPS_APPID_APPATTEMPTS;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.APPS_APPID_STATE;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.APPS_APPID_PRIORITY;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.APPS_APPID_QUEUE;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.APPS_TIMEOUTS;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.APPS_TIMEOUT;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.RESERVATION_NEW;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.RESERVATION_SUBMIT;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.RESERVATION_UPDATE;
-import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.RESERVATION_DELETE;
+import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts.*;
 import static org.apache.hadoop.yarn.server.router.subcluster.TestFederationSubCluster.format;
 import static org.apache.hadoop.yarn.server.router.subcluster.TestFederationSubCluster.getNodeId;
 import static org.apache.hadoop.yarn.server.router.webapp.HTTPMethods.POST;
@@ -534,4 +514,48 @@ public void testDeleteReservation() throws Exception {
     String entity = response.getEntity(String.class);
     assertNotNull(entity);
   }
+
+  @Test
+  public void testGetClusterNodeLabels() throws Exception {
+    NodeLabelsInfo nodeLabelsInfo = TestFederationSubCluster.performGetCalls(ROUTER_WEB_ADDRESS,
+        RM_WEB_SERVICE_PATH + GET_NODE_LABELS, NodeLabelsInfo.class, null, null);
+    assertNotNull(nodeLabelsInfo);
+  }
+
+  @Test
+  public void testGetLabelsOnNode() throws Exception {
+    String rm1NodeId = getNodeId(SC1_RM_WEB_ADDRESS);
+    NodeLabelsInfo nodeLabelsInfo = TestFederationSubCluster.performGetCalls(ROUTER_WEB_ADDRESS,
+        RM_WEB_SERVICE_PATH + format(NODES_NODEID_GETLABELS, rm1NodeId),
+        NodeLabelsInfo.class, null, null);
+    assertNotNull(nodeLabelsInfo);
+  }
+
+  @Test
+  public void testGetLabelsMappingEmpty() throws Exception {
+    LabelsToNodesInfo labelsToNodesInfo =
+        TestFederationSubCluster.performGetCalls(ROUTER_WEB_ADDRESS,
+        RM_WEB_SERVICE_PATH + LABEL_MAPPINGS, LabelsToNodesInfo.class, null, null);
+    assertNotNull(labelsToNodesInfo);
+  }
+
+  @Test
+  public void testGetLabelsMapping() throws Exception {
+    LabelsToNodesInfo labelsToNodesInfo = TestFederationSubCluster.performGetCalls(
+        ROUTER_WEB_ADDRESS, RM_WEB_SERVICE_PATH + LABEL_MAPPINGS,
+        LabelsToNodesInfo.class, LABELS, "label1");
+    assertNotNull(labelsToNodesInfo);
+  }
+
+  @Test
+  public void testAddToClusterNodeLabels() throws Exception {
+    List<NodeLabel> nodeLabels = new ArrayList<>();
+    nodeLabels.add(NodeLabel.newInstance("default"));
+    NodeLabelsInfo context = new NodeLabelsInfo(nodeLabels);
+    ClientResponse response = TestFederationSubCluster.performCall(ROUTER_WEB_ADDRESS,
+        RM_WEB_SERVICE_PATH + ADD_NODE_LABELS, null, null, context, POST);
+    assertEquals(SC_OK, response.getStatus());
+    String entity = response.getEntity(String.class);
+    assertNotNull(entity);
+  }
 }