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

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

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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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        assertThat(state.blocks().hasGlobalBlock(DiscoverySettings.NO_MASTER_BLOCK_ID), equalTo(true));

        logger.info("--> start two more nodes");
        internalCluster().startNodesAsync(2, settings).get();

        ClusterHealthResponse clusterHealthResponse = client().admin().cluster().prepareHealth().setWaitForEvents(Priority.LANGUID).setWaitForNodes("4").execute().actionGet();
        assertThat(clusterHealthResponse.isTimedOut(), equalTo(false));

        state = client().admin().cluster().prepareState().execute().actionGet().getState();
        assertThat(state.nodes().size(), equalTo(4));

        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().isTimedOut(), equalTo(false));
        // flush for simpler debugging
        client().admin().indices().prepareFlush().execute().actionGet();

        client().admin().indices().prepareRefresh().execute().actionGet();
        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().stopRandomNonMasterNode();
        internalCluster().stopRandomNonMasterNode();

        logger.info("--> verify that there is no master anymore on remaining nodes");
        // spin here to wait till the state is set
        assertNoMasterBlockOnAllNodes();

        logger.info("--> start back the 2 nodes ");
        String[] newNodes = internalCluster().startNodesAsync(2, settings).get().toArray(Strings.EMPTY_ARRAY);

        clusterHealthResponse = client().admin().cluster().prepareHealth().setWaitForNodes("4").execute().actionGet();
        assertThat(clusterHealthResponse.isTimedOut(), equalTo(false));

        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));

        state = client().admin().cluster().prepareState().execute().actionGet().getState();
        assertThat(state.nodes().size(), equalTo(4));
        // we prefer to elect up and running nodes
        assertThat(state.nodes().masterNodeId(), not(isOneOf(newNodes)));
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        logger.info("--> start 2 nodes");
        internalCluster().startNode(settings);
        internalCluster().startNode(settings);

        // wait until second node join the cluster
        ClusterHealthResponse clusterHealthResponse = client().admin().cluster().prepareHealth().setWaitForEvents(Priority.LANGUID).setWaitForNodes("2").get();
        assertThat(clusterHealthResponse.isTimedOut(), equalTo(false));

        logger.info("--> setting minimum master node to 2");
        setMinimumMasterNodes(2);

        // make sure it has been processed on all nodes (master node spawns a secondary cluster state update task)
        for (Client client : internalCluster()) {
            assertThat(client.admin().cluster().prepareHealth().setWaitForEvents(Priority.LANGUID).setLocal(true).get().isTimedOut(),
                    equalTo(false));
        }

        logger.info("--> stopping a node");
        internalCluster().stopRandomDataNode();
        logger.info("--> verifying min master node has effect");
        assertNoMasterBlockOnAllNodes();

        logger.info("--> bringing another node up");
        internalCluster().startNode(settingsBuilder().put(settings).put(ElectMasterService.DISCOVERY_ZEN_MINIMUM_MASTER_NODES, 2).build());
        clusterHealthResponse = client().admin().cluster().prepareHealth().setWaitForEvents(Priority.LANGUID).setWaitForNodes("2").get();
        assertThat(clusterHealthResponse.isTimedOut(), equalTo(false));
    }
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        String node_0 = internalCluster().startNode(settings);
        ClusterService clusterService = internalCluster().getInstance(ClusterService.class);
        MasterAwareService testService = internalCluster().getInstance(MasterAwareService.class);

        ClusterHealthResponse clusterHealth = client().admin().cluster().prepareHealth().setWaitForEvents(Priority.LANGUID).setWaitForNodes("1").get();
        assertThat(clusterHealth.isTimedOut(), equalTo(false));

        // the first node should be a master as the minimum required is 1
        assertThat(clusterService.state().nodes().masterNode(), notNullValue());
        assertThat(clusterService.state().nodes().localNodeMaster(), is(true));
        assertThat(testService.master(), is(true));

        String node_1 = internalCluster().startNode(settings);
        final ClusterService clusterService1 = internalCluster().getInstance(ClusterService.class, node_1);
        MasterAwareService testService1 = internalCluster().getInstance(MasterAwareService.class, node_1);

        clusterHealth = client().admin().cluster().prepareHealth().setWaitForEvents(Priority.LANGUID).setWaitForNodes("2").get();
        assertThat(clusterHealth.isTimedOut(), equalTo(false));

        // the second node should not be the master as node1 is already the master.
        assertThat(clusterService1.state().nodes().localNodeMaster(), is(false));
        assertThat(testService1.master(), is(false));

        internalCluster().stopCurrentMasterNode();
        clusterHealth = client().admin().cluster().prepareHealth().setWaitForEvents(Priority.LANGUID).setWaitForNodes("1").get();
        assertThat(clusterHealth.isTimedOut(), equalTo(false));

        // now that node0 is closed, node1 should be elected as master
        assertThat(clusterService1.state().nodes().localNodeMaster(), is(true));
        assertThat(testService1.master(), is(true));
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        logger.info("--> starting 1 master node non data again");
        internalCluster().startNode(settingsBuilder().put("node.data", false).put("gateway.type", "local").build());

        logger.info("--> waiting for test index to be created");
        ClusterHealthResponse health = client().admin().cluster().prepareHealth().setWaitForEvents(Priority.LANGUID).setIndices("test").execute().actionGet();
        assertThat(health.isTimedOut(), equalTo(false));

        logger.info("--> verify we have an index");
        ClusterStateResponse clusterStateResponse = client().admin().cluster().prepareState().setIndices("test").execute().actionGet();
        assertThat(clusterStateResponse.getState().metaData().hasIndex("test"), equalTo(true));
    }
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        logger.info("--> indexing a simple document");
        client().prepareIndex("test", "type1", "1").setSource("field1", "value1").setRefresh(true).execute().actionGet();

        logger.info("--> waiting for green status");
        ClusterHealthResponse health = client().admin().cluster().prepareHealth().setWaitForEvents(Priority.LANGUID).setWaitForGreenStatus().setWaitForNodes("2").execute().actionGet();
        assertThat(health.isTimedOut(), equalTo(false));

        logger.info("--> verify 1 doc in the index");
        for (int i = 0; i < 10; i++) {
            assertHitCount(client().prepareSearch().setQuery(matchAllQuery()).get(), 1l);
        }

        logger.info("--> closing test index...");
        client().admin().indices().prepareClose("test").execute().actionGet();

        ClusterStateResponse stateResponse = client().admin().cluster().prepareState().execute().actionGet();
        assertThat(stateResponse.getState().metaData().index("test").state(), equalTo(IndexMetaData.State.CLOSE));
        assertThat(stateResponse.getState().routingTable().index("test"), nullValue());

        logger.info("--> opening the index...");
        client().admin().indices().prepareOpen("test").execute().actionGet();

        logger.info("--> waiting for green status");
        health = client().admin().cluster().prepareHealth().setWaitForEvents(Priority.LANGUID).setWaitForGreenStatus().setWaitForNodes("2").execute().actionGet();
        assertThat(health.isTimedOut(), equalTo(false));

        logger.info("--> verify 1 doc in the index");
        assertHitCount(client().prepareSearch().setQuery(matchAllQuery()).get(), 1l);
        for (int i = 0; i < 10; i++) {
            assertHitCount(client().prepareSearch().setQuery(matchAllQuery()).get(), 1l);
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                .build();
    }

    @Test
    public void testUnicastDiscovery() {
        ClusterHealthResponse healthResponse = client().admin().cluster().prepareHealth().get();
        assertThat(healthResponse.getNumberOfDataNodes(), equalTo(cluster().numDataNodes()));
    }
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            }
        });
        if (randomBoolean()) {
            Thread.sleep(between(1, 400)); // wait a bit and give is a chance to try to allocate
        }
        ClusterHealthResponse clusterHealth = client().admin().cluster().health(clusterHealthRequest().waitForNodes("1")).actionGet();
        assertThat(clusterHealth.isTimedOut(), equalTo(false));
        assertThat(clusterHealth.getStatus(), equalTo(ClusterHealthStatus.RED));  // nothing allocated yet
        assertThat(awaitBusy(new Predicate<Object>() {
            @Override
            public boolean apply(Object input) {
                ClusterStateResponse clusterStateResponse = internalCluster().smartClient().admin().cluster().prepareState().setMasterNodeTimeout("500ms").get();
                return clusterStateResponse.getState() != null && clusterStateResponse.getState().routingTable().index("test") != null;
            }}), equalTo(true)); // wait until we get a cluster state - could be null if we quick enough.
        final ClusterStateResponse clusterStateResponse = internalCluster().smartClient().admin().cluster().prepareState().setMasterNodeTimeout("500ms").get();
        assertThat(clusterStateResponse.getState(), notNullValue());
        assertThat(clusterStateResponse.getState().routingTable().index("test"), notNullValue());
        assertThat(clusterStateResponse.getState().routingTable().index("test").allPrimaryShardsActive(), is(false));
        logger.info("--> change the recovery.initial_shards setting, and make sure its recovered");
        client().admin().indices().prepareUpdateSettings("test").setSettings(settingsBuilder().put("recovery.initial_shards", 1)).get();

        logger.info("--> running cluster_health (wait for the shards to startup), primaries only since we only have 1 node");
        clusterHealth = client().admin().cluster().health(clusterHealthRequest().waitForYellowStatus().waitForActiveShards(test.numPrimaries)).actionGet();
        logger.info("--> done cluster_health, status " + clusterHealth.getStatus());
        assertThat(clusterHealth.isTimedOut(), equalTo(false));
        assertThat(clusterHealth.getStatus(), equalTo(ClusterHealthStatus.YELLOW));

        for (int i = 0; i < 10; i++) {
            assertHitCount(client().prepareCount().setQuery(matchAllQuery()).get(), 2l);
        }
    }
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                if (numNodes == 1) {
                    assertThat(awaitBusy(new Predicate<Object>() {
                        @Override
                        public boolean apply(Object input) {
                            logger.info("--> running cluster_health (wait for the shards to startup)");
                            ClusterHealthResponse clusterHealth = activeClient.admin().cluster().health(clusterHealthRequest().waitForYellowStatus().waitForNodes("2").waitForActiveShards(test.numPrimaries * 2)).actionGet();
                            logger.info("--> done cluster_health, status " + clusterHealth.getStatus());
                            return (!clusterHealth.isTimedOut()) && clusterHealth.getStatus() == ClusterHealthStatus.YELLOW;
                        }
                    }, 30, TimeUnit.SECONDS), equalTo(true));
                    logger.info("--> one node is closed -- index 1 document into the remaining nodes");
                    activeClient.prepareIndex("test", "type1", "3").setSource(jsonBuilder().startObject().field("field", "value3").endObject()).get();
                    assertNoFailures(activeClient.admin().indices().prepareRefresh().get());
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                }
            }
            System.out.println("--> Indexing took " + stopWatch.totalTime() + ", TPS " + (((double) (COUNT)) / stopWatch.totalTime().secondsFrac()));
        } catch (Exception e) {
            System.out.println("--> Index already exists, ignoring indexing phase, waiting for green");
            ClusterHealthResponse clusterHealthResponse = client.admin().cluster().prepareHealth().setWaitForYellowStatus().setTimeout("10m").execute().actionGet();
            if (clusterHealthResponse.isTimedOut()) {
                System.err.println("--> Timed out waiting for cluster health");
            }
        }
        client.admin().indices().prepareRefresh().execute().actionGet();
        COUNT = client.prepareCount().setQuery(matchAllQuery()).execute().actionGet().getCount();
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