Examples with DisconnectedNodeMutableRequestException org.apache.nifi.cluster.manager.exception.DisconnectedNodeMutableRequestException used on opensource projects

Example 1 with DisconnectedNodeMutableRequestException

use of org.apache.nifi.cluster.manager.exception.DisconnectedNodeMutableRequestException in project nifi by apache.

the class TestThreadPoolRequestReplicator method testMutableRequestRequiresAllNodesConnected.

@Test
public void testMutableRequestRequiresAllNodesConnected() throws URISyntaxException {
    final ClusterCoordinator coordinator = createClusterCoordinator();
    // build a map of connection state to node ids
    final Map<NodeConnectionState, List<NodeIdentifier>> nodeMap = new HashMap<>();
    final List<NodeIdentifier> connectedNodes = new ArrayList<>();
    connectedNodes.add(new NodeIdentifier("1", "localhost", 8100, "localhost", 8101, "localhost", 8102, 8103, false));
    connectedNodes.add(new NodeIdentifier("2", "localhost", 8200, "localhost", 8201, "localhost", 8202, 8203, false));
    nodeMap.put(NodeConnectionState.CONNECTED, connectedNodes);
    final List<NodeIdentifier> otherState = new ArrayList<>();
    otherState.add(new NodeIdentifier("3", "localhost", 8300, "localhost", 8301, "localhost", 8302, 8303, false));
    nodeMap.put(NodeConnectionState.CONNECTING, otherState);
    when(coordinator.getConnectionStates()).thenReturn(nodeMap);
    final NiFiProperties props = NiFiProperties.createBasicNiFiProperties(null, null);
    final ThreadPoolRequestReplicator replicator = new ThreadPoolRequestReplicator(2, 5, 100, ClientBuilder.newClient(), coordinator, "1 sec", "1 sec", null, null, props) {

        @Override
        public AsyncClusterResponse replicate(Set<NodeIdentifier> nodeIds, String method, URI uri, Object entity, Map<String, String> headers, boolean indicateReplicated, boolean verify) {
            return null;
        }
    };
    try {
        // set the user
        final Authentication authentication = new NiFiAuthenticationToken(new NiFiUserDetails(StandardNiFiUser.ANONYMOUS));
        SecurityContextHolder.getContext().setAuthentication(authentication);
        try {
            replicator.replicate(HttpMethod.POST, new URI("http://localhost:80/processors/1"), new ProcessorEntity(), new HashMap<>());
            Assert.fail("Expected ConnectingNodeMutableRequestException");
        } catch (final ConnectingNodeMutableRequestException e) {
        // expected behavior
        }
        nodeMap.remove(NodeConnectionState.CONNECTING);
        nodeMap.put(NodeConnectionState.DISCONNECTED, otherState);
        try {
            replicator.replicate(HttpMethod.POST, new URI("http://localhost:80/processors/1"), new ProcessorEntity(), new HashMap<>());
            Assert.fail("Expected DisconnectedNodeMutableRequestException");
        } catch (final DisconnectedNodeMutableRequestException e) {
        // expected behavior
        }
        nodeMap.remove(NodeConnectionState.DISCONNECTED);
        nodeMap.put(NodeConnectionState.DISCONNECTING, otherState);
        try {
            replicator.replicate(HttpMethod.POST, new URI("http://localhost:80/processors/1"), new ProcessorEntity(), new HashMap<>());
            Assert.fail("Expected DisconnectedNodeMutableRequestException");
        } catch (final DisconnectedNodeMutableRequestException e) {
        // expected behavior
        }
        // should not throw an Exception because it's a GET
        replicator.replicate(HttpMethod.GET, new URI("http://localhost:80/processors/1"), new MultiValueMap<>(), new HashMap<>());
        // should not throw an Exception because all nodes are now connected
        nodeMap.remove(NodeConnectionState.DISCONNECTING);
        replicator.replicate(HttpMethod.POST, new URI("http://localhost:80/processors/1"), new ProcessorEntity(), new HashMap<>());
    } finally {
        replicator.shutdown();
    }
}