Examples with GetLabelsToNodesResponse org.apache.hadoop.yarn.api.protocolrecords.GetLabelsToNodesResponse used on opensource projects

Example 1 with GetLabelsToNodesResponse

use of org.apache.hadoop.yarn.api.protocolrecords.GetLabelsToNodesResponse in project hadoop by apache.

the class TestClientRMService method testGetLabelsToNodes.

@Test
public void testGetLabelsToNodes() throws Exception {
    MockRM rm = new MockRM() {

        protected ClientRMService createClientRMService() {
            return new ClientRMService(this.rmContext, scheduler, this.rmAppManager, this.applicationACLsManager, this.queueACLsManager, this.getRMContext().getRMDelegationTokenSecretManager());
        }

        ;
    };
    rm.start();
    NodeLabel labelX = NodeLabel.newInstance("x", false);
    NodeLabel labelY = NodeLabel.newInstance("y", false);
    NodeLabel labelZ = NodeLabel.newInstance("z", false);
    RMNodeLabelsManager labelsMgr = rm.getRMContext().getNodeLabelManager();
    labelsMgr.addToCluserNodeLabels(ImmutableSet.of(labelX, labelY, labelZ));
    NodeId node1A = NodeId.newInstance("host1", 1234);
    NodeId node1B = NodeId.newInstance("host1", 5678);
    NodeId node2A = NodeId.newInstance("host2", 1234);
    NodeId node3A = NodeId.newInstance("host3", 1234);
    NodeId node3B = NodeId.newInstance("host3", 5678);
    Map<NodeId, Set<String>> map = new HashMap<NodeId, Set<String>>();
    map.put(node1A, ImmutableSet.of("x"));
    map.put(node1B, ImmutableSet.of("z"));
    map.put(node2A, ImmutableSet.of("y"));
    map.put(node3A, ImmutableSet.of("y"));
    map.put(node3B, ImmutableSet.of("z"));
    labelsMgr.replaceLabelsOnNode(map);
    // Create a client.
    Configuration conf = new Configuration();
    YarnRPC rpc = YarnRPC.create(conf);
    InetSocketAddress rmAddress = rm.getClientRMService().getBindAddress();
    LOG.info("Connecting to ResourceManager at " + rmAddress);
    ApplicationClientProtocol client = (ApplicationClientProtocol) rpc.getProxy(ApplicationClientProtocol.class, rmAddress, conf);
    // Get node labels collection
    GetClusterNodeLabelsResponse response = client.getClusterNodeLabels(GetClusterNodeLabelsRequest.newInstance());
    Assert.assertTrue(response.getNodeLabelList().containsAll(Arrays.asList(labelX, labelY, labelZ)));
    // Get labels to nodes mapping
    GetLabelsToNodesResponse response1 = client.getLabelsToNodes(GetLabelsToNodesRequest.newInstance());
    Map<String, Set<NodeId>> labelsToNodes = response1.getLabelsToNodes();
    Assert.assertTrue(labelsToNodes.keySet().containsAll(Arrays.asList(labelX.getName(), labelY.getName(), labelZ.getName())));
    Assert.assertTrue(labelsToNodes.get(labelX.getName()).containsAll(Arrays.asList(node1A)));
    Assert.assertTrue(labelsToNodes.get(labelY.getName()).containsAll(Arrays.asList(node2A, node3A)));
    Assert.assertTrue(labelsToNodes.get(labelZ.getName()).containsAll(Arrays.asList(node1B, node3B)));
    // Get labels to nodes mapping for specific labels
    Set<String> setlabels = new HashSet<String>(Arrays.asList(new String[] { "x", "z" }));
    GetLabelsToNodesResponse response2 = client.getLabelsToNodes(GetLabelsToNodesRequest.newInstance(setlabels));
    labelsToNodes = response2.getLabelsToNodes();
    Assert.assertTrue(labelsToNodes.keySet().containsAll(Arrays.asList(labelX.getName(), labelZ.getName())));
    Assert.assertTrue(labelsToNodes.get(labelX.getName()).containsAll(Arrays.asList(node1A)));
    Assert.assertTrue(labelsToNodes.get(labelZ.getName()).containsAll(Arrays.asList(node1B, node3B)));
    Assert.assertEquals(labelsToNodes.get(labelY.getName()), null);
    rpc.stopProxy(client, conf);
    rm.close();
}