Package org.elasticsearch.cluster

Examples of org.elasticsearch.cluster.ClusterState.nodes()

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        gateway.start();
        // if we received initial state, see if we can recover within the start phase, so we hold the
        // node from starting until we recovered properly
        if (discoveryService.initialStateReceived()) {
            ClusterState clusterState = clusterService.state();
            DiscoveryNodes nodes = clusterState.nodes();
            if (clusterState.nodes().localNodeMaster() && clusterState.blocks().hasGlobalBlock(STATE_NOT_RECOVERED_BLOCK)) {
                if (clusterState.blocks().hasGlobalBlock(Discovery.NO_MASTER_BLOCK)) {
                    logger.debug("not recovering from gateway, no master elected yet");
                } else if (recoverAfterNodes != -1 && (nodes.masterAndDataNodes().size()) < recoverAfterNodes) {
                    logger.debug("not recovering from gateway, nodes_size (data+master) [" + nodes.masterAndDataNodes().size() + "] < recover_after_nodes [" + recoverAfterNodes + "]");
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        // if we received initial state, see if we can recover within the start phase, so we hold the
        // node from starting until we recovered properly
        if (discoveryService.initialStateReceived()) {
            ClusterState clusterState = clusterService.state();
            DiscoveryNodes nodes = clusterState.nodes();
            if (clusterState.nodes().localNodeMaster() && clusterState.blocks().hasGlobalBlock(STATE_NOT_RECOVERED_BLOCK)) {
                if (clusterState.blocks().hasGlobalBlock(Discovery.NO_MASTER_BLOCK)) {
                    logger.debug("not recovering from gateway, no master elected yet");
                } else if (recoverAfterNodes != -1 && (nodes.masterAndDataNodes().size()) < recoverAfterNodes) {
                    logger.debug("not recovering from gateway, nodes_size (data+master) [" + nodes.masterAndDataNodes().size() + "] < recover_after_nodes [" + recoverAfterNodes + "]");
                } else if (recoverAfterDataNodes != -1 && nodes.dataNodes().size() < recoverAfterDataNodes) {
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        return name;
    }

    @Override public void contribute(Dump dump) throws DumpContributionFailedException {
        ClusterState clusterState = clusterService.state();
        DiscoveryNodes nodes = clusterState.nodes();
        RoutingTable routingTable = clusterState.routingTable();

        PrintWriter writer = new PrintWriter(dump.createFileWriter("cluster.txt"));

        writer.println("===== CLUSTER NODES ======");
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            recovered.set(false);
            scheduledRecovery.set(false);
        }
        if (event.localNodeMaster() && event.state().blocks().hasGlobalBlock(STATE_NOT_RECOVERED_BLOCK)) {
            ClusterState clusterState = event.state();
            DiscoveryNodes nodes = clusterState.nodes();
            if (event.state().blocks().hasGlobalBlock(Discovery.NO_MASTER_BLOCK)) {
                logger.debug("not recovering from gateway, no master elected yet");
            } else if (recoverAfterNodes != -1 && (nodes.masterAndDataNodes().size()) < recoverAfterNodes) {
                logger.debug("not recovering from gateway, nodes_size (data+master) [" + nodes.masterAndDataNodes().size() + "] < recover_after_nodes [" + recoverAfterNodes + "]");
            } else if (recoverAfterDataNodes != -1 && nodes.dataNodes().size() < recoverAfterDataNodes) {
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                    // wait for responses from other nodes if needed
                    int counter = 0;
                    for (String index : request.indices) {
                        IndexRoutingTable indexRoutingTable = updatedState.routingTable().index(index);
                        if (indexRoutingTable != null) {
                            counter += indexRoutingTable.numberOfNodesShardsAreAllocatedOn(updatedState.nodes().masterNodeId());
                        }
                    }

                    if (counter == 0) {
                        listener.onResponse(new Response(true));
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                    // wait for responses from other nodes if needed
                    int counter = 0;
                    for (String index : request.indices) {
                        IndexRoutingTable indexRoutingTable = updatedState.routingTable().index(index);
                        if (indexRoutingTable != null) {
                            counter += indexRoutingTable.numberOfNodesShardsAreAllocatedOn(updatedState.nodes().masterNodeId());
                        }
                    }

                    if (counter == 0) {
                        listener.onResponse(new Response(true));
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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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            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));
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        }
        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();
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        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");
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