YARN-4855. Should check if node exists when replace nodelabels. Contributeed by Tao Jie

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/ReplaceLabelsOnNodeRequest.java

@@ -44,4 +44,12 @@ public abstract class ReplaceLabelsOnNodeRequest {
   @Public
   @Evolving
   public abstract Map<NodeId, Set<String>> getNodeToLabels();
+
+  @Public
+  @Evolving
+  public abstract void setFailOnUnknownNodes(boolean failOnUnknownNodes);
+
+  @Public
+  @Evolving
+  public abstract boolean getFailOnUnknownNodes();
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/server/yarn_server_resourcemanager_service_protos.proto

@@ -99,10 +99,10 @@ message RemoveFromClusterNodeLabelsResponseProto {
 
 message ReplaceLabelsOnNodeRequestProto {
   repeated NodeIdToLabelsNameProto nodeToLabels = 1;
+  optional bool failOnUnknownNodes = 2;
 }
 
 message ReplaceLabelsOnNodeResponseProto {
-  
 }
 
 message UpdateNodeLabelsResponseProto {

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/RMAdminCLI.java

@@ -130,11 +130,13 @@ public class RMAdminCLI extends HAAdmin {
               new UsageInfo("<label1,label2,label3> (label splitted by \",\")",
                   "remove from cluster node labels"))
           .put("-replaceLabelsOnNode",
-              new UsageInfo(
+              new UsageInfo("[-failOnUnknownNodes] " +
                   "<\"node1[:port]=label1,label2 node2[:port]=label1,label2\">",
               "replace labels on nodes"
                   + " (please note that we do not support specifying multiple"
-                      + " labels on a single host for now.)"))
+                  + " labels on a single host for now.)\n\t\t"
+                  + "[-failOnUnknownNodes] is optional, when we set this"
+                  + " option, it will fail if specified nodes are unknown."))
           .put("-directlyAccessNodeLabelStore",
               new UsageInfo("", "This is DEPRECATED, will be removed in future releases. Directly access node label store, "
                   + "with this option, all node label related operations"
@@ -246,8 +248,8 @@ public class RMAdminCLI extends HAAdmin {
         " [-addToClusterNodeLabels <\"label1(exclusive=true),"
             + "label2(exclusive=false),label3\">]" +
         " [-removeFromClusterNodeLabels <label1,label2,label3>]" +
-        " [-replaceLabelsOnNode <\"node1[:port]=label1,label2" +
+        " [-replaceLabelsOnNode [-failOnUnknownNodes] "
-        " node2[:port]=label1\">]" +
+            + "<\"node1[:port]=label1,label2 node2[:port]=label1\">]" +
         " [-directlyAccessNodeLabelStore]" +
         " [-refreshClusterMaxPriority]" +
         " [-updateNodeResource [NodeID] [MemSize] [vCores]" +
@@ -657,14 +659,14 @@ public class RMAdminCLI extends HAAdmin {
     return map;
   }
 
-  private int replaceLabelsOnNodes(String args) throws IOException,
+  private int replaceLabelsOnNodes(String args, boolean failOnUnknownNodes)
-      YarnException {
+      throws IOException, YarnException {
     Map<NodeId, Set<String>> map = buildNodeLabelsMapFromStr(args);
-    return replaceLabelsOnNodes(map);
+    return replaceLabelsOnNodes(map, failOnUnknownNodes);
   }
 
-  private int replaceLabelsOnNodes(Map<NodeId, Set<String>> map)
+  private int replaceLabelsOnNodes(Map<NodeId, Set<String>> map,
-      throws IOException, YarnException {
+      boolean failOnUnknownNodes) throws IOException, YarnException {
     if (directlyAccessNodeLabelStore) {
       getNodeLabelManagerInstance(getConf()).replaceLabelsOnNode(map);
     } else {
@@ -672,6 +674,7 @@ public class RMAdminCLI extends HAAdmin {
           createAdminProtocol();
       ReplaceLabelsOnNodeRequest request =
           ReplaceLabelsOnNodeRequest.newInstance(map);
+      request.setFailOnUnknownNodes(failOnUnknownNodes);
       adminProtocol.replaceLabelsOnNode(request);
     }
     return 0;
@@ -783,8 +786,16 @@ public class RMAdminCLI extends HAAdmin {
           System.err.println(NO_MAPPING_ERR_MSG);
           printUsage("", isHAEnabled);
           exitCode = -1;
+        } else if ("-failOnUnknownNodes".equals(args[i])) {
+          if (i + 1 >= args.length) {
+            System.err.println(NO_MAPPING_ERR_MSG);
+            printUsage("", isHAEnabled);
+            exitCode = -1;
           } else {
-          exitCode = replaceLabelsOnNodes(args[i]);
+            exitCode = replaceLabelsOnNodes(args[i + 1], true);
+          }
+        } else {
+          exitCode = replaceLabelsOnNodes(args[i], false);
         }
       } else {
         exitCode = -1;

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestRMAdminCLI.java

@@ -469,7 +469,7 @@ public class TestRMAdminCLI {
               "[username]] [-addToClusterNodeLabels " +
               "<\"label1(exclusive=true),label2(exclusive=false),label3\">] " +
               "[-removeFromClusterNodeLabels <label1,label2,label3>] " +
-              "[-replaceLabelsOnNode " +
+              "[-replaceLabelsOnNode [-failOnUnknownNodes] " +
               "<\"node1[:port]=label1,label2 node2[:port]=label1\">] " +
               "[-directlyAccessNodeLabelStore] [-refreshClusterMaxPriority] " +
               "[-updateNodeResource [NodeID] [MemSize] [vCores] " +
@@ -564,6 +564,7 @@ public class TestRMAdminCLI {
               + " [username]] [-addToClusterNodeLabels <\"label1(exclusive=true),"
                   + "label2(exclusive=false),label3\">]"
               + " [-removeFromClusterNodeLabels <label1,label2,label3>] [-replaceLabelsOnNode "
+              + "[-failOnUnknownNodes] "
               + "<\"node1[:port]=label1,label2 node2[:port]=label1\">] [-directlyAccessNodeLabelStore] "
               + "[-refreshClusterMaxPriority] "
               + "[-updateNodeResource [NodeID] [MemSize] [vCores] "

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/impl/pb/ReplaceLabelsOnNodeRequestPBImpl.java

@@ -146,6 +146,18 @@ public class ReplaceLabelsOnNodeRequestPBImpl extends
     nodeIdToLabels.putAll(map);
   }
 
+  @Override
+  public boolean getFailOnUnknownNodes() {
+    ReplaceLabelsOnNodeRequestProtoOrBuilder p = viaProto ? proto : builder;
+    return p.getFailOnUnknownNodes();
+  }
+
+  @Override
+  public void setFailOnUnknownNodes(boolean failOnUnknownNodes) {
+    maybeInitBuilder();
+    builder.setFailOnUnknownNodes(failOnUnknownNodes);
+  }
+
   private NodeIdProto convertToProtoFormat(NodeId t) {
     return ((NodeIdPBImpl) t).getProto();
   }

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

@@ -21,6 +21,9 @@ package org.apache.hadoop.yarn.server.resourcemanager;
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.InetSocketAddress;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
@@ -806,6 +809,49 @@ public class AdminService extends CompositeService implements
 
     ReplaceLabelsOnNodeResponse response =
         recordFactory.newRecordInstance(ReplaceLabelsOnNodeResponse.class);
+
+    if (request.getFailOnUnknownNodes()) {
+      // verify if nodes have registered to RM
+      List<NodeId> unknownNodes = new ArrayList<>();
+      for (NodeId requestedNode : request.getNodeToLabels().keySet()) {
+        boolean isKnown = false;
+        // both active and inactive nodes are recognized as known nodes
+        if (requestedNode.getPort() != 0) {
+          if (rmContext.getRMNodes().containsKey(requestedNode)
+              || rmContext.getInactiveRMNodes().containsKey(requestedNode)) {
+            isKnown = true;
+          }
+        } else {
+          for (NodeId knownNode : rmContext.getRMNodes().keySet()) {
+            if (knownNode.getHost().equals(requestedNode.getHost())) {
+              isKnown = true;
+              break;
+            }
+          }
+          if (!isKnown) {
+            for (NodeId knownNode : rmContext.getInactiveRMNodes().keySet()) {
+              if (knownNode.getHost().equals(requestedNode.getHost())) {
+                isKnown = true;
+                break;
+              }
+            }
+          }
+        }
+        if (!isKnown) {
+          unknownNodes.add(requestedNode);
+        }
+      }
+
+      if (!unknownNodes.isEmpty()) {
+        RMAuditLogger.logFailure(user.getShortUserName(), operation, "",
+            "AdminService",
+            "Failed to replace labels as there are unknown nodes:"
+                + Arrays.toString(unknownNodes.toArray()));
+        throw RPCUtil.getRemoteException(new IOException(
+            "Failed to replace labels as there are unknown nodes:"
+                + Arrays.toString(unknownNodes.toArray())));
+      }
+    }
     try {
       rmContext.getNodeLabelManager().replaceLabelsOnNode(
           request.getNodeToLabels());

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

@@ -28,6 +28,7 @@ import java.io.IOException;
 import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
 import java.util.Set;
 
 import org.apache.hadoop.conf.Configuration;
@@ -64,9 +65,9 @@ import org.apache.hadoop.yarn.server.api.protocolrecords.ReplaceLabelsOnNodeRequ
 import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager;
 import org.apache.hadoop.yarn.server.resourcemanager.resource.DynamicResourceConfiguration;
 import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
+import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeImpl;
 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.util.ConverterUtils;
 import org.junit.After;
 import org.junit.Assert;
 import org.junit.Before;
@@ -1085,6 +1086,106 @@ public class TestRMAdminService {
     rm.close();
   }
 
+  @Test
+  public void testModifyLabelsOnUnknownNodes() throws IOException,
+      YarnException {
+    // create RM and set it's ACTIVE, and set distributed node label
+    // configuration to true
+    rm = new MockRM();
+
+    ((RMContextImpl) rm.getRMContext())
+        .setHAServiceState(HAServiceState.ACTIVE);
+    Map<NodeId, RMNode> rmNodes = rm.getRMContext().getRMNodes();
+    rmNodes.put(NodeId.newInstance("host1", 1111),
+        new RMNodeImpl(null, rm.getRMContext(), "host1", 0, 0, null, null,
+                null));
+    rmNodes.put(NodeId.newInstance("host2", 2222),
+            new RMNodeImpl(null, rm.getRMContext(), "host2", 0, 0, null, null,
+                null));
+    rmNodes.put(NodeId.newInstance("host3", 3333),
+            new RMNodeImpl(null, rm.getRMContext(), "host3", 0, 0, null, null,
+                null));
+    Map<NodeId, RMNode> rmInactiveNodes = rm.getRMContext()
+        .getInactiveRMNodes();
+    rmInactiveNodes.put(NodeId.newInstance("host4", 4444),
+        new RMNodeImpl(null, rm.getRMContext(), "host4", 0, 0, null, null,
+                null));
+    RMNodeLabelsManager labelMgr = rm.rmContext.getNodeLabelManager();
+
+    // by default, distributed configuration for node label is disabled, this
+    // should pass
+    labelMgr.addToCluserNodeLabelsWithDefaultExclusivity(ImmutableSet.of("x",
+        "y"));
+    // replace known node
+    ReplaceLabelsOnNodeRequest request1 = ReplaceLabelsOnNodeRequest
+        .newInstance(ImmutableMap.of(NodeId.newInstance("host1", 1111),
+            (Set<String>) ImmutableSet.of("x")));
+    request1.setFailOnUnknownNodes(true);
+    try {
+      rm.adminService.replaceLabelsOnNode(request1);
+    } catch (Exception ex) {
+      fail("should not fail on known node");
+    }
+
+    // replace known node with wildcard port
+    ReplaceLabelsOnNodeRequest request2 = ReplaceLabelsOnNodeRequest
+        .newInstance(ImmutableMap.of(NodeId.newInstance("host1", 0),
+            (Set<String>) ImmutableSet.of("x")));
+    request2.setFailOnUnknownNodes(true);
+    try {
+      rm.adminService.replaceLabelsOnNode(request2);
+    } catch (Exception ex) {
+      fail("should not fail on known node");
+    }
+
+    // replace unknown node
+    ReplaceLabelsOnNodeRequest request3 = ReplaceLabelsOnNodeRequest
+        .newInstance(ImmutableMap.of(NodeId.newInstance("host5", 0),
+            (Set<String>) ImmutableSet.of("x")));
+    request3.setFailOnUnknownNodes(true);
+    try {
+      rm.adminService.replaceLabelsOnNode(request3);
+      fail("Should fail on unknown node");
+    } catch (Exception ex) {
+    }
+
+    // replace known node but wrong port
+    ReplaceLabelsOnNodeRequest request4 = ReplaceLabelsOnNodeRequest
+        .newInstance(ImmutableMap.of(NodeId.newInstance("host2", 1111),
+            (Set<String>) ImmutableSet.of("x")));
+    request4.setFailOnUnknownNodes(true);
+    try {
+      rm.adminService.replaceLabelsOnNode(request4);
+      fail("Should fail on node with wrong port");
+    } catch (Exception ex) {
+    }
+
+    // replace non-exist node but not check
+    ReplaceLabelsOnNodeRequest request5 = ReplaceLabelsOnNodeRequest
+        .newInstance(ImmutableMap.of(NodeId.newInstance("host5", 0),
+            (Set<String>) ImmutableSet.of("x")));
+    request5.setFailOnUnknownNodes(false);
+    try {
+      rm.adminService.replaceLabelsOnNode(request5);
+    } catch (Exception ex) {
+      fail("Should not fail on unknown node when "
+          + "fail-on-unkown-nodes is set false");
+    }
+
+    // replace on inactive node
+    ReplaceLabelsOnNodeRequest request6 = ReplaceLabelsOnNodeRequest
+        .newInstance(ImmutableMap.of(NodeId.newInstance("host4", 0),
+            (Set<String>) ImmutableSet.of("x")));
+    request6.setFailOnUnknownNodes(true);
+    try {
+      rm.adminService.replaceLabelsOnNode(request6);
+    } catch (Exception ex) {
+      fail("should not fail on inactive node");
+    }
+
+    rm.close();
+  }
+
   @Test
   public void testRemoveClusterNodeLabelsWithCentralizedConfigurationDisabled()
       throws IOException, YarnException {