Examples with ClusterHealthResponse org.elasticsearch.action.admin.cluster.health.ClusterHealthResponse used on opensource projects

Example 76 with ClusterHealthResponse

use of org.elasticsearch.action.admin.cluster.health.ClusterHealthResponse in project elasticsearch by elastic.

the class ESIntegTestCase method waitNoPendingTasksOnAll.

/**
     * Waits until all nodes have no pending tasks.
     */
public void waitNoPendingTasksOnAll() throws Exception {
    assertNoTimeout(client().admin().cluster().prepareHealth().setWaitForEvents(Priority.LANGUID).get());
    assertBusy(() -> {
        for (Client client : clients()) {
            ClusterHealthResponse clusterHealth = client.admin().cluster().prepareHealth().setLocal(true).get();
            assertThat("client " + client + " still has in flight fetch", clusterHealth.getNumberOfInFlightFetch(), equalTo(0));
            PendingClusterTasksResponse pendingTasks = client.admin().cluster().preparePendingClusterTasks().setLocal(true).get();
            assertThat("client " + client + " still has pending tasks " + pendingTasks, pendingTasks, Matchers.emptyIterable());
            clusterHealth = client.admin().cluster().prepareHealth().setLocal(true).get();
            assertThat("client " + client + " still has in flight fetch", clusterHealth.getNumberOfInFlightFetch(), equalTo(0));
        }
    });
    assertNoTimeout(client().admin().cluster().prepareHealth().setWaitForEvents(Priority.LANGUID).get());
}

Example 77 with ClusterHealthResponse

use of org.elasticsearch.action.admin.cluster.health.ClusterHealthResponse in project elasticsearch by elastic.

the class ESSingleNodeTestCase method ensureGreen.

/**
     * Ensures the cluster has a green state via the cluster health API. This method will also wait for relocations.
     * It is useful to ensure that all action on the cluster have finished and all shards that were currently relocating
     * are now allocated and started.
     *
     * @param timeout time out value to set on {@link org.elasticsearch.action.admin.cluster.health.ClusterHealthRequest}
     */
public ClusterHealthStatus ensureGreen(TimeValue timeout, String... indices) {
    ClusterHealthResponse actionGet = client().admin().cluster().health(Requests.clusterHealthRequest(indices).timeout(timeout).waitForGreenStatus().waitForEvents(Priority.LANGUID).waitForNoRelocatingShards(true)).actionGet();
    if (actionGet.isTimedOut()) {
        logger.info("ensureGreen timed out, cluster state:\n{}\n{}", client().admin().cluster().prepareState().get().getState(), client().admin().cluster().preparePendingClusterTasks().get());
        assertThat("timed out waiting for green state", actionGet.isTimedOut(), equalTo(false));
    }
    assertThat(actionGet.getStatus(), equalTo(ClusterHealthStatus.GREEN));
    logger.debug("indices {} are green", indices.length == 0 ? "[_all]" : indices);
    return actionGet.getStatus();
}

Example 78 with ClusterHealthResponse

use of org.elasticsearch.action.admin.cluster.health.ClusterHealthResponse in project elasticsearch by elastic.

the class ESSingleNodeTestCase method createIndex.

protected IndexService createIndex(String index, CreateIndexRequestBuilder createIndexRequestBuilder) {
    assertAcked(createIndexRequestBuilder.get());
    // Wait for the index to be allocated so that cluster state updates don't override
    // changes that would have been done locally
    ClusterHealthResponse health = client().admin().cluster().health(Requests.clusterHealthRequest(index).waitForYellowStatus().waitForEvents(Priority.LANGUID).waitForNoRelocatingShards(true)).actionGet();
    assertThat(health.getStatus(), lessThanOrEqualTo(ClusterHealthStatus.YELLOW));
    assertThat("Cluster must be a single node cluster", health.getNumberOfDataNodes(), equalTo(1));
    IndicesService instanceFromNode = getInstanceFromNode(IndicesService.class);
    return instanceFromNode.indexServiceSafe(resolveIndex(index));
}

Example 79 with ClusterHealthResponse

use of org.elasticsearch.action.admin.cluster.health.ClusterHealthResponse in project elasticsearch by elastic.

the class ESIntegTestCase method ensureColor.

private ClusterHealthStatus ensureColor(ClusterHealthStatus clusterHealthStatus, TimeValue timeout, String... indices) {
    String color = clusterHealthStatus.name().toLowerCase(Locale.ROOT);
    String method = "ensure" + Strings.capitalize(color);
    ClusterHealthRequest healthRequest = Requests.clusterHealthRequest(indices).timeout(timeout).waitForStatus(clusterHealthStatus).waitForEvents(Priority.LANGUID).waitForNoRelocatingShards(true).waitForNodes(Integer.toString(cluster().size()));
    ClusterHealthResponse actionGet = client().admin().cluster().health(healthRequest).actionGet();
    if (actionGet.isTimedOut()) {
        logger.info("{} timed out, cluster state:\n{}\n{}", method, client().admin().cluster().prepareState().get().getState(), client().admin().cluster().preparePendingClusterTasks().get());
        fail("timed out waiting for " + color + " state");
    }
    assertThat("Expected at least " + clusterHealthStatus + " but got " + actionGet.getStatus(), actionGet.getStatus().value(), lessThanOrEqualTo(clusterHealthStatus.value()));
    logger.debug("indices {} are {}", indices.length == 0 ? "[_all]" : indices, color);
    return actionGet.getStatus();
}

Example 80 with ClusterHealthResponse

use of org.elasticsearch.action.admin.cluster.health.ClusterHealthResponse in project elasticsearch by elastic.

the class ClusterStateHealthTests method testClusterHealthWaitsForClusterStateApplication.

public void testClusterHealthWaitsForClusterStateApplication() throws InterruptedException, ExecutionException {
    final CountDownLatch applyLatch = new CountDownLatch(1);
    final CountDownLatch listenerCalled = new CountDownLatch(1);
    setState(clusterService, ClusterState.builder(clusterService.state()).nodes(DiscoveryNodes.builder(clusterService.state().nodes()).masterNodeId(null)).build());
    clusterService.addStateApplier(event -> {
        listenerCalled.countDown();
        try {
            applyLatch.await();
        } catch (InterruptedException e) {
            logger.debug("interrupted", e);
        }
    });
    logger.info("--> submit task to restore master");
    clusterService.submitStateUpdateTask("restore master", new LocalClusterUpdateTask() {

        @Override
        public ClusterTasksResult<LocalClusterUpdateTask> execute(ClusterState currentState) throws Exception {
            return newState(ClusterState.builder(currentState).nodes(DiscoveryNodes.builder(currentState.nodes()).masterNodeId(currentState.nodes().getLocalNodeId())).build());
        }

        @Override
        public void onFailure(String source, Exception e) {
            logger.warn("unexpected failure", e);
        }
    });
    logger.info("--> waiting for listener to be called and cluster state being blocked");
    listenerCalled.await();
    TransportClusterHealthAction action = new TransportClusterHealthAction(Settings.EMPTY, transportService, clusterService, threadPool, new ActionFilters(new HashSet<>()), indexNameExpressionResolver, new TestGatewayAllocator());
    PlainActionFuture<ClusterHealthResponse> listener = new PlainActionFuture<>();
    action.execute(new ClusterHealthRequest().waitForGreenStatus(), listener);
    assertFalse(listener.isDone());
    logger.info("--> realising task to restore master");
    applyLatch.countDown();
    listener.get();
}