Examples with ClusterStatePublisher org.elasticsearch.cluster.coordination.ClusterStatePublisher used on opensource projects

Example 1 with ClusterStatePublisher

use of org.elasticsearch.cluster.coordination.ClusterStatePublisher in project crate by crate.

the class MasterServiceTests method testAcking.

public void testAcking() throws InterruptedException {
    final DiscoveryNode node1 = new DiscoveryNode("node1", buildNewFakeTransportAddress(), emptyMap(), emptySet(), Version.CURRENT);
    final DiscoveryNode node2 = new DiscoveryNode("node2", buildNewFakeTransportAddress(), emptyMap(), emptySet(), Version.CURRENT);
    final DiscoveryNode node3 = new DiscoveryNode("node3", buildNewFakeTransportAddress(), emptyMap(), emptySet(), Version.CURRENT);
    try (MasterService masterService = new MasterService(Settings.builder().put(ClusterName.CLUSTER_NAME_SETTING.getKey(), MasterServiceTests.class.getSimpleName()).put(Node.NODE_NAME_SETTING.getKey(), "test_node").build(), new ClusterSettings(Settings.EMPTY, ClusterSettings.BUILT_IN_CLUSTER_SETTINGS), threadPool)) {
        final ClusterState initialClusterState = ClusterState.builder(new ClusterName(MasterServiceTests.class.getSimpleName())).nodes(DiscoveryNodes.builder().add(node1).add(node2).add(node3).localNodeId(node1.getId()).masterNodeId(node1.getId())).blocks(ClusterBlocks.EMPTY_CLUSTER_BLOCK).build();
        final AtomicReference<ClusterStatePublisher> publisherRef = new AtomicReference<>();
        masterService.setClusterStatePublisher((e, pl, al) -> publisherRef.get().publish(e, pl, al));
        masterService.setClusterStateSupplier(() -> initialClusterState);
        masterService.start();
        // check that we don't time out before even committing the cluster state
        {
            final CountDownLatch latch = new CountDownLatch(1);
            publisherRef.set((clusterChangedEvent, publishListener, ackListener) -> publishListener.onFailure(new FailedToCommitClusterStateException("mock exception")));
            masterService.submitStateUpdateTask("test2", new AckedClusterStateUpdateTask<Void>(null, null) {

                @Override
                public ClusterState execute(ClusterState currentState) {
                    return ClusterState.builder(currentState).build();
                }

                @Override
                public TimeValue ackTimeout() {
                    return TimeValue.ZERO;
                }

                @Override
                public TimeValue timeout() {
                    return null;
                }

                @Override
                public void clusterStateProcessed(String source, ClusterState oldState, ClusterState newState) {
                    fail();
                }

                @Override
                protected Void newResponse(boolean acknowledged) {
                    fail();
                    return null;
                }

                @Override
                public void onFailure(String source, Exception e) {
                    latch.countDown();
                }

                @Override
                public void onAckTimeout() {
                    fail();
                }
            });
            latch.await();
        }
        // check that we timeout if commit took too long
        {
            final CountDownLatch latch = new CountDownLatch(2);
            final TimeValue ackTimeout = TimeValue.timeValueMillis(randomInt(100));
            publisherRef.set((clusterChangedEvent, publishListener, ackListener) -> {
                publishListener.onResponse(null);
                ackListener.onCommit(TimeValue.timeValueMillis(ackTimeout.millis() + randomInt(100)));
                ackListener.onNodeAck(node1, null);
                ackListener.onNodeAck(node2, null);
                ackListener.onNodeAck(node3, null);
            });
            masterService.submitStateUpdateTask("test2", new AckedClusterStateUpdateTask<Void>(null, null) {

                @Override
                public ClusterState execute(ClusterState currentState) {
                    return ClusterState.builder(currentState).build();
                }

                @Override
                public TimeValue ackTimeout() {
                    return ackTimeout;
                }

                @Override
                public TimeValue timeout() {
                    return null;
                }

                @Override
                public void clusterStateProcessed(String source, ClusterState oldState, ClusterState newState) {
                    latch.countDown();
                }

                @Override
                protected Void newResponse(boolean acknowledged) {
                    fail();
                    return null;
                }

                @Override
                public void onFailure(String source, Exception e) {
                    fail();
                }

                @Override
                public void onAckTimeout() {
                    latch.countDown();
                }
            });
            latch.await();
        }
    }
}