diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/NodeAttributesCLI.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/NodeAttributesCLI.java index 13d5e24c1c..d525087c22 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/NodeAttributesCLI.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/NodeAttributesCLI.java @@ -205,6 +205,9 @@ public int run(String[] args) throws Exception { // print admin command detail printUsage(true, handler); return exitCode; + } catch (YarnException e) { + errOut.println(e.toString()); + return exitCode; } catch (Exception e) { errOut.println(e.toString()); printUsage(true, handler); diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/AdminService.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/AdminService.java index 601917a3f8..880741a875 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/AdminService.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/AdminService.java @@ -993,6 +993,7 @@ public NodesToAttributesMappingResponse mapAttributesToNodes( nodeAttributesManager.addNodeAttributes(nodeAttributeMapping); break; case REMOVE: + validateAttributesExists(nodesToAttributes); nodeAttributesManager.removeNodeAttributes(nodeAttributeMapping); break; case REPLACE: @@ -1013,6 +1014,27 @@ public NodesToAttributesMappingResponse mapAttributesToNodes( .newRecordInstance(NodesToAttributesMappingResponse.class); } + private void validateAttributesExists( + List nodesToAttributes) throws IOException { + NodeAttributesManager nodeAttributesManager = + rm.getRMContext().getNodeAttributesManager(); + for (NodeToAttributes nodeToAttrs : nodesToAttributes) { + String hostname = nodeToAttrs.getNode(); + if (hostname == null) { + continue; + } + Set attrs = + nodeAttributesManager.getAttributesForNode(hostname).keySet(); + List attributes = nodeToAttrs.getNodeAttributes(); + for (NodeAttribute nodeAttr : attributes) { + if (!attrs.contains(nodeAttr)) { + throw new IOException("Node attribute [" + nodeAttr.getAttributeKey() + + "] doesn't exist on node " + nodeToAttrs.getNode()); + } + } + } + } + /** * @param nodesToAttributesMapping input to be validated * @param failOnUnknownNodes indicates to fail if the nodes are not available. diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMAdminService.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMAdminService.java index 475dd8cef8..01c89d389b 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMAdminService.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMAdminService.java @@ -1585,6 +1585,16 @@ public void testMapAttributesToNodes() throws Exception, YarnException { Mockito.verify(spiedAttributesManager, Mockito.times(1)) .addNodeAttributes(Mockito.anyMap()); + // add attributes for later removals + request = + NodesToAttributesMappingRequest + .newInstance(AttributeMappingOperationType.ADD, + ImmutableList.of(NodeToAttributes.newInstance("host4", + ImmutableList.of(NodeAttribute.newInstance( + NodeAttribute.PREFIX_CENTRALIZED, "x", + NodeAttributeType.STRING, "dfasdf")))), + true); + rm.adminService.mapAttributesToNodes(request); request = NodesToAttributesMappingRequest .newInstance(AttributeMappingOperationType.REMOVE, @@ -1601,6 +1611,24 @@ public void testMapAttributesToNodes() throws Exception, YarnException { Mockito.verify(spiedAttributesManager, Mockito.times(1)) .removeNodeAttributes(Mockito.anyMap()); + // Assert node to attributes mappings are empty. + Assert.assertTrue("Attributes of host4 should be empty", + rm.getRMContext().getNodeAttributesManager() + .getAttributesForNode("host4").isEmpty()); + // remove non existing attributes. + request = NodesToAttributesMappingRequest + .newInstance(AttributeMappingOperationType.REMOVE, ImmutableList + .of(NodeToAttributes.newInstance("host4", ImmutableList + .of(NodeAttribute + .newInstance(NodeAttribute.PREFIX_CENTRALIZED, "x", + NodeAttributeType.STRING, "dfasdf")))), true); + try { + rm.adminService.mapAttributesToNodes(request); + fail("Should have failed for non exists attribute"); + } catch (Exception ex) { + assertTrue("Exception expected if attributes does not exist", true); + } + request = NodesToAttributesMappingRequest .newInstance(AttributeMappingOperationType.ADD,