Package org.elasticsearch.action.admin.cluster.health

Examples of org.elasticsearch.action.admin.cluster.health.ClusterHealthResponse

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    }
    return transportClient;
  }

  protected void checkConnection(Client client) {
    ClusterHealthResponse health = client.admin().cluster()
        .prepareHealth().execute().actionGet();
    if (health.getNumberOfDataNodes() == 0) throw new RuntimeException("Unable to connect to elasticsearch");
    LOG.info(String.format("Connected to %d data node(s) with cluster status %s",
        health.getNumberOfDataNodes(), health.getStatus().name()));
  }
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        this.node = node;
    }

    @Override
    protected Result check() throws Exception {
        ClusterHealthResponse clusterHealthResponse = node.client().admin().cluster().prepareHealth().setWaitForYellowStatus().execute().actionGet();
        return Result.healthy("Last status: " + clusterHealthResponse.status().name());
    }
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    public ClusterHealthResponse getClusterHealth(String clusterName) {
        Set<Node> nodeSet = nodesClusterMap.get(clusterName);
        if (nodeSet != null) {
            for (Node node : nodeSet) {
                ClusterAdminClient client = node.client().admin().cluster();
                ClusterHealthResponse response = client.prepareHealth().execute().actionGet();
                return response;
            }
        }
        return null;
    }
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        public Void execute(Client client, String indexName, OperationContext helper) {
          ClusterHealthRequestBuilder request = client.admin().cluster().prepareHealth(indexName);

          request.setWaitForGreenStatus().setTimeout(_healthTimeout);

          ClusterHealthResponse response = request.execute().actionGet();

          if (response.getStatus() != ClusterHealthStatus.GREEN) {
            throw new IllegalStateException("cluster not ready for rebuild (status " + response.getStatus()
                + ")");
          }

          return null;
        }
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    public ActionFuture<SQLBulkResponse> execute(SQLBulkRequest request) {
        return clientProvider.client().execute(SQLBulkAction.INSTANCE, request);
    }

    public ClusterHealthStatus ensureGreen() {
        ClusterHealthResponse actionGet = client().admin().cluster().health(
            Requests.clusterHealthRequest()
                .waitForGreenStatus()
                .waitForEvents(Priority.LANGUID).waitForRelocatingShards(0)
        ).actionGet();

        if (actionGet.isTimedOut()) {
            logger.info("ensureGreen timed out, cluster state:\n{}\n{}", client().admin().cluster().prepareState().get().getState().prettyPrint(), client().admin().cluster().preparePendingClusterTasks().get().prettyPrint());
            assertThat("timed out waiting for green state", actionGet.isTimedOut(), equalTo(false));
        }
        assertThat(actionGet.getStatus(), equalTo(ClusterHealthStatus.GREEN));
        return actionGet.getStatus();
    }
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            String toNode = node1.equals(fromNode) ? node2 : node1;
            logger.trace("--> START relocate the shard from {} to {}", fromNode, toNode);
            cluster().client(node1).admin().cluster().prepareReroute()
                    .add(new MoveAllocationCommand(new ShardId(BlobIndices.fullIndexName("test"), 0), fromNode, toNode))
                    .execute().actionGet();
            ClusterHealthResponse clusterHealthResponse = cluster().client(node1).admin().cluster()
                    .prepareHealth()
                    .setWaitForEvents(Priority.LANGUID)
                    .setWaitForRelocatingShards(0)
                    .setTimeout(ACCEPTABLE_RELOCATION_TIME).execute().actionGet();

            assertThat(clusterHealthResponse.isTimedOut(), equalTo(false));
            clusterHealthResponse = cluster().client(node2).admin().cluster()
                    .prepareHealth()
                    .setWaitForEvents(Priority.LANGUID)
                    .setWaitForRelocatingShards(0)
                    .setTimeout(ACCEPTABLE_RELOCATION_TIME).execute().actionGet();
            assertThat(clusterHealthResponse.isTimedOut(), equalTo(false));
            logger.trace("--> DONE relocate the shard from {} to {}", fromNode, toNode);
        }
        logger.trace("--> done relocations");

        logger.trace("--> marking and waiting for upload threads to stop ...");
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     * 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.
     */
    public ClusterHealthStatus ensureGreen() {
        ClusterHealthResponse actionGet = client().admin().cluster()
            .health(Requests.clusterHealthRequest().waitForGreenStatus().waitForEvents(Priority.LANGUID).waitForRelocatingShards(0)).actionGet();
        if (actionGet.isTimedOut()) {
            logger.info("ensureGreen timed out, cluster state:\n{}\n{}", client().admin().cluster().prepareState().get().getState().prettyPrint(), client().admin().cluster().preparePendingClusterTasks().get().prettyPrint());
            assertThat("timed out waiting for green state", actionGet.isTimedOut(), equalTo(false));
        }
        assertThat(actionGet.getStatus(), equalTo(ClusterHealthStatus.GREEN));
        return actionGet.getStatus();
    }
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    public ClusterHealthStatus waitForRelocation(ClusterHealthStatus status) {
        ClusterHealthRequest request = Requests.clusterHealthRequest().waitForRelocatingShards(0);
        if (status != null) {
            request.waitForStatus(status);
        }
        ClusterHealthResponse actionGet = client().admin().cluster()
            .health(request).actionGet();
        if (actionGet.isTimedOut()) {
            logger.info("waitForRelocation timed out (status={}), cluster state:\n{}\n{}", status, client().admin().cluster().prepareState().get().getState().prettyPrint(), client().admin().cluster().preparePendingClusterTasks().get().prettyPrint());
            assertThat("timed out waiting for relocation", actionGet.isTimedOut(), equalTo(false));
        }
        if (status != null) {
            assertThat(actionGet.getStatus(), equalTo(status));
        }
        return actionGet.getStatus();
    }
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    /**
     * Ensures the cluster has a yellow state via the cluster health API.
     */
    public ClusterHealthStatus ensureYellow() {
        ClusterHealthResponse actionGet = client().admin().cluster()
            .health(Requests.clusterHealthRequest().waitForRelocatingShards(0).waitForYellowStatus().waitForEvents(Priority.LANGUID)).actionGet();
        if (actionGet.isTimedOut()) {
            logger.info("ensureYellow timed out, cluster state:\n{}\n{}", client().admin().cluster().prepareState().get().getState().prettyPrint(), client().admin().cluster().preparePendingClusterTasks().get().prettyPrint());
            assertThat("timed out waiting for yellow", actionGet.isTimedOut(), equalTo(false));
        }
        return actionGet.getStatus();
    }
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        assertThat(state.nodes().size(), equalTo(1)); // verify that we still see the local node in the cluster state

        logger.info("--> start second node, cluster should be formed");
        internalCluster().startNode(settings);

        ClusterHealthResponse clusterHealthResponse = client().admin().cluster().prepareHealth().setWaitForEvents(Priority.LANGUID).setWaitForNodes("2").execute().actionGet();
        assertThat(clusterHealthResponse.isTimedOut(), equalTo(false));

        state = client().admin().cluster().prepareState().setLocal(true).execute().actionGet().getState();
        assertThat(state.blocks().hasGlobalBlock(DiscoverySettings.NO_MASTER_BLOCK_ID), equalTo(false));
        state = client().admin().cluster().prepareState().setLocal(true).execute().actionGet().getState();
        assertThat(state.blocks().hasGlobalBlock(DiscoverySettings.NO_MASTER_BLOCK_ID), equalTo(false));

        state = client().admin().cluster().prepareState().execute().actionGet().getState();
        assertThat(state.nodes().size(), equalTo(2));
        assertThat(state.metaData().indices().containsKey("test"), equalTo(false));

        createIndex("test");
        NumShards numShards = getNumShards("test");
        logger.info("--> indexing some data");
        for (int i = 0; i < 100; i++) {
            client().prepareIndex("test", "type1", Integer.toString(i)).setSource("field", "value").execute().actionGet();
        }
        // make sure that all shards recovered before trying to flush
        assertThat(client().admin().cluster().prepareHealth("test").setWaitForActiveShards(numShards.totalNumShards).execute().actionGet().getActiveShards(), equalTo(numShards.totalNumShards));
        // flush for simpler debugging
        flushAndRefresh();

        logger.info("--> verify we the data back");
        for (int i = 0; i < 10; i++) {
            assertThat(client().prepareCount().setQuery(QueryBuilders.matchAllQuery()).execute().actionGet().getCount(), equalTo(100l));
        }

        internalCluster().stopCurrentMasterNode();
        awaitBusy(new Predicate<Object>() {
            public boolean apply(Object obj) {
                ClusterState state = client().admin().cluster().prepareState().setLocal(true).execute().actionGet().getState();
                return state.blocks().hasGlobalBlock(DiscoverySettings.NO_MASTER_BLOCK_ID);
            }
        });
        state = client().admin().cluster().prepareState().setLocal(true).execute().actionGet().getState();
        assertThat(state.blocks().hasGlobalBlock(DiscoverySettings.NO_MASTER_BLOCK_ID), equalTo(true));
        assertThat(state.nodes().size(), equalTo(1)); // verify that we still see the local node in the cluster state

        logger.info("--> starting the previous master node again...");
        internalCluster().startNode(settings);

        clusterHealthResponse = client().admin().cluster().prepareHealth().setWaitForEvents(Priority.LANGUID).setWaitForYellowStatus().setWaitForNodes("2").execute().actionGet();
        assertThat(clusterHealthResponse.isTimedOut(), equalTo(false));

        state = client().admin().cluster().prepareState().setLocal(true).execute().actionGet().getState();
        assertThat(state.blocks().hasGlobalBlock(DiscoverySettings.NO_MASTER_BLOCK_ID), equalTo(false));
        state = client().admin().cluster().prepareState().setLocal(true).execute().actionGet().getState();
        assertThat(state.blocks().hasGlobalBlock(DiscoverySettings.NO_MASTER_BLOCK_ID), equalTo(false));

        state = client().admin().cluster().prepareState().execute().actionGet().getState();
        assertThat(state.nodes().size(), equalTo(2));
        assertThat(state.metaData().indices().containsKey("test"), equalTo(true));

        logger.info("Running Cluster Health");
        ClusterHealthResponse clusterHealth = client().admin().cluster().health(clusterHealthRequest().waitForGreenStatus()).actionGet();
        logger.info("Done Cluster Health, status " + clusterHealth.getStatus());
        assertThat(clusterHealth.isTimedOut(), equalTo(false));
        assertThat(clusterHealth.getStatus(), equalTo(ClusterHealthStatus.GREEN));

        logger.info("--> verify we the data back");
        for (int i = 0; i < 10; i++) {
            assertThat(client().prepareCount().setQuery(QueryBuilders.matchAllQuery()).execute().actionGet().getCount(), equalTo(100l));
        }
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