Package org.elasticsearch.cluster

Examples of org.elasticsearch.cluster.ClusterState

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                        .put(IndexMetaData.newIndexMetaDataBuilder(currentState.metaData().index(request.index)).state(IndexMetaData.State.CLOSE));

                ClusterBlocks.Builder blocks = ClusterBlocks.builder().blocks(currentState.blocks())
                        .addIndexBlock(request.index, INDEX_CLOSED_BLOCK);

                ClusterState updatedState = ClusterState.builder().state(currentState).metaData(mdBuilder).blocks(blocks).build();

                RoutingTable.Builder rtBuilder = RoutingTable.builder()
                        .routingTable(currentState.routingTable())
                        .remove(request.index);
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                        .put(IndexMetaData.newIndexMetaDataBuilder(currentState.metaData().index(request.index)).state(IndexMetaData.State.OPEN));

                ClusterBlocks.Builder blocks = ClusterBlocks.builder().blocks(currentState.blocks())
                        .removeIndexBlock(request.index, INDEX_CLOSED_BLOCK);

                ClusterState updatedState = ClusterState.builder().state(currentState).metaData(mdBuilder).blocks(blocks).build();

                RoutingTable.Builder rtBuilder = RoutingTable.builder().routingTable(updatedState.routingTable());
                IndexRoutingTable.Builder indexRoutingBuilder = new IndexRoutingTable.Builder(request.index)
                        .initializeEmpty(updatedState.metaData().index(request.index), false);
                rtBuilder.add(indexRoutingBuilder);

                RoutingAllocation.Result routingResult = shardsAllocation.reroute(newClusterStateBuilder().state(updatedState).routingTable(rtBuilder).build());

                return ClusterState.builder().state(updatedState).routingResult(routingResult).build();
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                    }
                    if (request.state == State.CLOSE) {
                        blocks.addIndexBlock(request.index, MetaDataStateIndexService.INDEX_CLOSED_BLOCK);
                    }

                    ClusterState updatedState = newClusterStateBuilder().state(currentState).blocks(blocks).metaData(newMetaData).build();

                    if (request.state == State.OPEN) {
                        RoutingTable.Builder routingTableBuilder = RoutingTable.builder().routingTable(updatedState.routingTable());
                        IndexRoutingTable.Builder indexRoutingBuilder = new IndexRoutingTable.Builder(request.index)
                                .initializeEmpty(updatedState.metaData().index(request.index), true);
                        routingTableBuilder.add(indexRoutingBuilder);
                        RoutingAllocation.Result routingResult = shardsAllocation.reroute(newClusterStateBuilder().state(updatedState).routingTable(routingTableBuilder).build());
                        updatedState = newClusterStateBuilder().state(updatedState).routingResult(routingResult).build();
                    }
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                    }
                    if (request.state == State.CLOSE) {
                        blocks.addIndexBlock(request.index, MetaDataStateIndexService.INDEX_CLOSED_BLOCK);
                    }

                    ClusterState updatedState = newClusterStateBuilder().state(currentState).blocks(blocks).metaData(newMetaData).build();

                    if (request.state == State.OPEN) {
                        RoutingTable.Builder routingTableBuilder = RoutingTable.builder().routingTable(updatedState.routingTable());
                        IndexRoutingTable.Builder indexRoutingBuilder = new IndexRoutingTable.Builder(request.index)
                                .initializeEmpty(updatedState.metaData().index(request.index), true);
                        routingTableBuilder.add(indexRoutingBuilder);
                        RoutingAllocation.Result routingResult = shardsAllocation.reroute(newClusterStateBuilder().state(updatedState).routingTable(routingTableBuilder).build());
                        updatedState = newClusterStateBuilder().state(updatedState).routingResult(routingResult).build();
                    }
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        private AsyncSingleAction(Request request, ActionListener<Response> listener) {
            this.request = request;
            this.listener = listener;

            ClusterState clusterState = clusterService.state();
            nodes = clusterState.nodes();

            checkBlock(request, clusterState);
            this.shardsIt = shards(clusterState, request);
        }
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        transportService.registerHandler(transportAction(), new TransportHandler());
    }

    @Override protected void doExecute(final Request request, final ActionListener<Response> listener) {

        ClusterState clusterState = clusterService.state();
        // update to concrete index
        request.index(clusterState.metaData().concreteIndex(request.index()));

        checkBlock(request, clusterState);

        GroupShardsIterator groups;
        try {
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        transportService.registerHandler(transportAction, new TransportHandler());
    }

    @Override protected void doExecute(final Request request, final ActionListener<Response> listener) {
        ClusterState clusterState = clusterService.state();

        // get actual indices

        String[] concreteIndices = clusterState.metaData().concreteIndices(request.indices());

        checkBlock(request, concreteIndices, clusterState);

        final AtomicInteger indexCounter = new AtomicInteger();
        final AtomicInteger completionCounter = new AtomicInteger(concreteIndices.length);
        final AtomicReferenceArray<Object> indexResponses = new AtomicReferenceArray<Object>(concreteIndices.length);

        Map<String, Set<String>> routingMap = clusterState.metaData().resolveSearchRouting(request.routing(), request.indices());

        for (final String index : concreteIndices) {
            Set<String> routing = null;
            if (routingMap != null) {
                routing = routingMap.get(index);
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            executeBulk(bulkRequest, startTime, listener);
        }
    }

    private void executeBulk(final BulkRequest bulkRequest, final long startTime, final ActionListener<BulkResponse> listener) {
        ClusterState clusterState = clusterService.state();
        for (ActionRequest request : bulkRequest.requests) {
            if (request instanceof IndexRequest) {
                IndexRequest indexRequest = (IndexRequest) request;
                indexRequest.routing(clusterState.metaData().resolveIndexRouting(indexRequest.routing(), indexRequest.index()));
                indexRequest.index(clusterState.metaData().concreteIndex(indexRequest.index()));
                if (allowIdGeneration) {
                    if (indexRequest.id() == null) {
                        indexRequest.id(UUID.randomBase64UUID());
                        // since we generate the id, change it to CREATE
                        indexRequest.opType(IndexRequest.OpType.CREATE);
                    }
                }
            } else if (request instanceof DeleteRequest) {
                DeleteRequest deleteRequest = (DeleteRequest) request;
                deleteRequest.index(clusterState.metaData().concreteIndex(deleteRequest.index()));
            }
        }
        final BulkItemResponse[] responses = new BulkItemResponse[bulkRequest.requests.size()];


        // first, go over all the requests and create a ShardId -> Operations mapping
        Map<ShardId, List<BulkItemRequest>> requestsByShard = Maps.newHashMap();
        for (int i = 0; i < bulkRequest.requests.size(); i++) {
            ActionRequest request = bulkRequest.requests.get(i);
            if (request instanceof IndexRequest) {
                IndexRequest indexRequest = (IndexRequest) request;
                // handle routing
                MappingMetaData mappingMd = clusterState.metaData().index(indexRequest.index()).mapping(indexRequest.type());
                if (mappingMd != null) {
                    try {
                        indexRequest.processRouting(mappingMd);
                    } catch (ElasticSearchException e) {
                        responses[i] = new BulkItemResponse(i, indexRequest.opType().toString().toLowerCase(),
                                new BulkItemResponse.Failure(indexRequest.index(), indexRequest.type(), indexRequest.id(), e.getDetailedMessage()));
                        continue;
                    }
                }

                ShardId shardId = clusterService.operationRouting().indexShards(clusterState, indexRequest.index(), indexRequest.type(), indexRequest.id(), indexRequest.routing()).shardId();
                List<BulkItemRequest> list = requestsByShard.get(shardId);
                if (list == null) {
                    list = Lists.newArrayList();
                    requestsByShard.put(shardId, list);
                }
                list.add(new BulkItemRequest(i, request));
            } else if (request instanceof DeleteRequest) {
                DeleteRequest deleteRequest = (DeleteRequest) request;
                MappingMetaData mappingMd = clusterState.metaData().index(deleteRequest.index()).mapping(deleteRequest.type());
                if (mappingMd != null && mappingMd.routing().required() && deleteRequest.routing() == null) {
                    // if routing is required, and no routing on the delete request, we need to broadcast it....
                    GroupShardsIterator groupShards = clusterService.operationRouting().broadcastDeleteShards(clusterState, deleteRequest.index());
                    for (ShardIterator shardIt : groupShards) {
                        List<BulkItemRequest> list = requestsByShard.get(shardIt.shardId());
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        RoutingTable routingTable = routingTable()
                .add(indexRoutingTable("test").initializeEmpty(metaData.index("test")))
                .build();

        ClusterState clusterState = newClusterStateBuilder().metaData(metaData).routingTable(routingTable).build();

        assertThat(routingTable.index("test").shards().size(), equalTo(10));
        for (int i = 0; i < routingTable.index("test").shards().size(); i++) {
            assertThat(routingTable.index("test").shard(i).size(), equalTo(2));
            assertThat(routingTable.index("test").shard(i).shards().size(), equalTo(2));
            assertThat(routingTable.index("test").shard(i).shards().get(0).state(), equalTo(UNASSIGNED));
            assertThat(routingTable.index("test").shard(i).shards().get(1).state(), equalTo(UNASSIGNED));
            assertThat(routingTable.index("test").shard(i).shards().get(0).currentNodeId(), nullValue());
            assertThat(routingTable.index("test").shard(i).shards().get(1).currentNodeId(), nullValue());
        }

        logger.info("Adding one node and performing rerouting");
        clusterState = newClusterStateBuilder().state(clusterState).nodes(newNodesBuilder().put(newNode("node1"))).build();

        RoutingTable prevRoutingTable = routingTable;
        routingTable = strategy.reroute(clusterState).routingTable();
        clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();

        assertThat(prevRoutingTable != routingTable, equalTo(true));
        assertThat(routingTable.index("test").shards().size(), equalTo(10));
        for (int i = 0; i < routingTable.index("test").shards().size(); i++) {
            assertThat(routingTable.index("test").shard(i).size(), equalTo(2));
            assertThat(routingTable.index("test").shard(i).shards().size(), equalTo(2));
            assertThat(routingTable.index("test").shard(i).primaryShard().state(), equalTo(INITIALIZING));
            assertThat(routingTable.index("test").shard(i).primaryShard().currentNodeId(), equalTo("node1"));
            assertThat(routingTable.index("test").shard(i).replicaShards().size(), equalTo(1));
            assertThat(routingTable.index("test").shard(i).replicaShards().get(0).state(), equalTo(UNASSIGNED));
            assertThat(routingTable.index("test").shard(i).replicaShards().get(0).currentNodeId(), nullValue());
        }

        logger.info("Add another node and perform rerouting, nothing will happen since primary not started");
        clusterState = newClusterStateBuilder().state(clusterState).nodes(newNodesBuilder().putAll(clusterState.nodes()).put(newNode("node2"))).build();
        prevRoutingTable = routingTable;
        routingTable = strategy.reroute(clusterState).routingTable();
        clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();

        assertThat(prevRoutingTable == routingTable, equalTo(true));

        logger.info("Start the primary shard (on node1)");
        RoutingNodes routingNodes = clusterState.routingNodes();
        prevRoutingTable = routingTable;
        routingTable = strategy.applyStartedShards(clusterState, routingNodes.node("node1").shardsWithState(INITIALIZING)).routingTable();
        clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();

        assertThat(prevRoutingTable != routingTable, equalTo(true));
        assertThat(routingTable.index("test").shards().size(), equalTo(10));
        for (int i = 0; i < routingTable.index("test").shards().size(); i++) {
            assertThat(routingTable.index("test").shard(i).size(), equalTo(2));
            assertThat(routingTable.index("test").shard(i).shards().size(), equalTo(2));
            assertThat(routingTable.index("test").shard(i).primaryShard().state(), equalTo(STARTED));
            assertThat(routingTable.index("test").shard(i).primaryShard().currentNodeId(), equalTo("node1"));
            assertThat(routingTable.index("test").shard(i).replicaShards().size(), equalTo(1));
            // backup shards are initializing as well, we make sure that they recover from primary *started* shards in the IndicesClusterStateService
            assertThat(routingTable.index("test").shard(i).replicaShards().get(0).state(), equalTo(INITIALIZING));
            assertThat(routingTable.index("test").shard(i).replicaShards().get(0).currentNodeId(), equalTo("node2"));
        }

        logger.info("Reroute, nothing should change");
        prevRoutingTable = routingTable;
        routingTable = strategy.reroute(clusterState).routingTable();
        assertThat(prevRoutingTable == routingTable, equalTo(true));

        logger.info("Start the backup shard");
        routingNodes = clusterState.routingNodes();
        prevRoutingTable = routingTable;
        routingTable = strategy.applyStartedShards(clusterState, routingNodes.node("node2").shardsWithState(INITIALIZING)).routingTable();
        clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();
        routingNodes = clusterState.routingNodes();

        assertThat(prevRoutingTable != routingTable, equalTo(true));
        assertThat(routingTable.index("test").shards().size(), equalTo(10));
        for (int i = 0; i < routingTable.index("test").shards().size(); i++) {
            assertThat(routingTable.index("test").shard(i).size(), equalTo(2));
            assertThat(routingTable.index("test").shard(i).shards().size(), equalTo(2));
            assertThat(routingTable.index("test").shard(i).primaryShard().state(), equalTo(STARTED));
            assertThat(routingTable.index("test").shard(i).primaryShard().currentNodeId(), equalTo("node1"));
            assertThat(routingTable.index("test").shard(i).replicaShards().size(), equalTo(1));
            assertThat(routingTable.index("test").shard(i).replicaShards().get(0).state(), equalTo(STARTED));
            assertThat(routingTable.index("test").shard(i).replicaShards().get(0).currentNodeId(), equalTo("node2"));
        }
        assertThat(routingNodes.node("node1").numberOfShardsWithState(STARTED), equalTo(10));
        assertThat(routingNodes.node("node2").numberOfShardsWithState(STARTED), equalTo(10));

        logger.info("Add another node and perform rerouting");
        clusterState = newClusterStateBuilder().state(clusterState).nodes(newNodesBuilder().putAll(clusterState.nodes()).put(newNode("node3"))).build();
        prevRoutingTable = routingTable;
        routingTable = strategy.reroute(clusterState).routingTable();
        clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();
        routingNodes = clusterState.routingNodes();

        assertThat(prevRoutingTable != routingTable, equalTo(true));
        assertThat(routingTable.index("test").shards().size(), equalTo(10));
        assertThat(routingNodes.node("node1").numberOfShardsWithState(STARTED, RELOCATING), equalTo(10));
        assertThat(routingNodes.node("node1").numberOfShardsWithState(STARTED), lessThan(10));
        assertThat(routingNodes.node("node2").numberOfShardsWithState(STARTED, RELOCATING), equalTo(10));
        assertThat(routingNodes.node("node2").numberOfShardsWithState(STARTED), lessThan(10));
        assertThat(routingNodes.node("node3").numberOfShardsWithState(INITIALIZING), equalTo(6));

        logger.info("Start the shards on node 3");
        routingNodes = clusterState.routingNodes();
        prevRoutingTable = routingTable;
        routingTable = strategy.applyStartedShards(clusterState, routingNodes.node("node3").shardsWithState(INITIALIZING)).routingTable();
        clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();
        routingNodes = clusterState.routingNodes();

        assertThat(prevRoutingTable != routingTable, equalTo(true));
        assertThat(routingTable.index("test").shards().size(), equalTo(10));
        assertThat(routingNodes.node("node1").numberOfShardsWithState(STARTED), equalTo(8));
        assertThat(routingNodes.node("node2").numberOfShardsWithState(STARTED), equalTo(6));
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        RoutingTable routingTable = routingTable()
                .add(indexRoutingTable("test").initializeEmpty(metaData.index("test")))
                .build();

        ClusterState clusterState = newClusterStateBuilder().metaData(metaData).routingTable(routingTable).build();

        logger.info("Adding two nodes and performing rerouting");
        clusterState = newClusterStateBuilder().state(clusterState).nodes(newNodesBuilder().put(newNode("node1")).put(newNode("node2"))).build();
        RoutingTable prevRoutingTable = routingTable;
        routingTable = strategy.reroute(clusterState).routingTable();
        clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();

        logger.info("Start the primary shards");
        RoutingNodes routingNodes = clusterState.routingNodes();
        prevRoutingTable = routingTable;
        routingTable = strategy.applyStartedShards(clusterState, routingNodes.shardsWithState(INITIALIZING)).routingTable();
        clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();

        logger.info("Start the replica shards");
        routingNodes = clusterState.routingNodes();
        prevRoutingTable = routingTable;
        routingTable = strategy.applyStartedShards(clusterState, routingNodes.shardsWithState(INITIALIZING)).routingTable();
        clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();
        routingNodes = clusterState.routingNodes();

        assertThat(prevRoutingTable != routingTable, equalTo(true));
        assertThat(routingTable.index("test").shards().size(), equalTo(2));
        assertThat(routingNodes.node("node1").numberOfShardsWithState(STARTED), equalTo(2));
        assertThat(routingNodes.node("node2").numberOfShardsWithState(STARTED), equalTo(2));

        logger.info("Start another node and perform rerouting");
        clusterState = newClusterStateBuilder().state(clusterState).nodes(newNodesBuilder().putAll(clusterState.nodes()).put(newNode("node3"))).build();
        prevRoutingTable = routingTable;
        routingTable = strategy.reroute(clusterState).routingTable();
        clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();

        logger.info("find the replica shard that gets relocated");
        IndexShardRoutingTable indexShardRoutingTable = null;
        if (routingTable.index("test").shard(0).replicaShards().get(0).relocating()) {
            indexShardRoutingTable = routingTable.index("test").shard(0);
        } else if (routingTable.index("test").shard(1).replicaShards().get(0).relocating()) {
            indexShardRoutingTable = routingTable.index("test").shard(1);
        }

        assertThat("failed to find relocating replica", indexShardRoutingTable, notNullValue());

        logger.info("kill the node [{}] of the primary shard for the relocating replica", indexShardRoutingTable.primaryShard().currentNodeId());
        clusterState = newClusterStateBuilder().state(clusterState).nodes(newNodesBuilder().putAll(clusterState.nodes()).remove(indexShardRoutingTable.primaryShard().currentNodeId())).build();
        prevRoutingTable = routingTable;
        routingTable = strategy.reroute(clusterState).routingTable();
        clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();

        logger.info("make sure all the primary shards are active");
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