@Test
public void testNodeHeartBeatWithLabels() throws Exception {
writeToHostsFile("host2");
Configuration conf = new Configuration();
conf.set(YarnConfiguration.RM_NODES_INCLUDE_FILE_PATH, hostFile.getAbsolutePath());
conf.set(
YarnConfiguration.NODELABEL_CONFIGURATION_TYPE,
YarnConfiguration.DISTRIBUTED_NODELABEL_CONFIGURATION_TYPE);
final RMNodeLabelsManager nodeLabelsMgr = new NullRMNodeLabelsManager();
rm =
new MockRM(conf) {
@Override
protected RMNodeLabelsManager createNodeLabelManager() {
return nodeLabelsMgr;
}
};
rm.start();
// adding valid labels
try {
nodeLabelsMgr.addToCluserNodeLabelsWithDefaultExclusivity(toSet("A", "B", "C"));
} catch (IOException e) {
Assert.fail("Caught Exception while intializing");
e.printStackTrace();
}
// Registering of labels and other required info to RM
ResourceTrackerService resourceTrackerService = rm.getResourceTrackerService();
RegisterNodeManagerRequest registerReq = Records.newRecord(RegisterNodeManagerRequest.class);
NodeId nodeId = NodeId.newInstance("host2", 1234);
Resource capability = BuilderUtils.newResource(1024, 1);
registerReq.setResource(capability);
registerReq.setNodeId(nodeId);
registerReq.setHttpPort(1234);
registerReq.setNMVersion(YarnVersionInfo.getVersion());
registerReq.setNodeLabels(toNodeLabelSet("A")); // Node register label
RegisterNodeManagerResponse registerResponse =
resourceTrackerService.registerNodeManager(registerReq);
// modification of labels during heartbeat
NodeHeartbeatRequest heartbeatReq = Records.newRecord(NodeHeartbeatRequest.class);
heartbeatReq.setNodeLabels(toNodeLabelSet("B")); // Node heartbeat label update
NodeStatus nodeStatusObject = getNodeStatusObject(nodeId);
heartbeatReq.setNodeStatus(nodeStatusObject);
heartbeatReq.setLastKnownNMTokenMasterKey(registerResponse.getNMTokenMasterKey());
heartbeatReq.setLastKnownContainerTokenMasterKey(registerResponse.getContainerTokenMasterKey());
NodeHeartbeatResponse nodeHeartbeatResponse =
resourceTrackerService.nodeHeartbeat(heartbeatReq);
Assert.assertEquals(
"InValid Node Labels were not accepted by RM",
NodeAction.NORMAL,
nodeHeartbeatResponse.getNodeAction());
assertCollectionEquals(
nodeLabelsMgr.getNodeLabels().get(nodeId),
ResourceTrackerService.convertToStringSet(heartbeatReq.getNodeLabels()));
Assert.assertTrue(
"Valid Node Labels were not accepted by RM",
nodeHeartbeatResponse.getAreNodeLabelsAcceptedByRM());
// After modification of labels next heartbeat sends null informing no update
Set<String> oldLabels = nodeLabelsMgr.getNodeLabels().get(nodeId);
int responseId = nodeStatusObject.getResponseId();
heartbeatReq = Records.newRecord(NodeHeartbeatRequest.class);
heartbeatReq.setNodeLabels(null); // Node heartbeat label update
nodeStatusObject = getNodeStatusObject(nodeId);
nodeStatusObject.setResponseId(responseId + 2);
heartbeatReq.setNodeStatus(nodeStatusObject);
heartbeatReq.setLastKnownNMTokenMasterKey(registerResponse.getNMTokenMasterKey());
heartbeatReq.setLastKnownContainerTokenMasterKey(registerResponse.getContainerTokenMasterKey());
nodeHeartbeatResponse = resourceTrackerService.nodeHeartbeat(heartbeatReq);
Assert.assertEquals(
"InValid Node Labels were not accepted by RM",
NodeAction.NORMAL,
nodeHeartbeatResponse.getNodeAction());
assertCollectionEquals(nodeLabelsMgr.getNodeLabels().get(nodeId), oldLabels);
Assert.assertFalse(
"Node Labels should not accepted by RM",
nodeHeartbeatResponse.getAreNodeLabelsAcceptedByRM());
rm.stop();
}
