Package org.elasticsearch.cluster

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

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            assertThat(routingTable.index("test2").shard(i).primaryShard().state(), equalTo(INITIALIZING));
            assertThat(routingTable.index("test2").shard(i).replicaShards().get(0).state(), equalTo(UNASSIGNED));
        }

        logger.info("now, start 1 more node, check that rebalancing will not happen (for test1) because we set it to primaries_active");
        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();
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            assertThat(routingTable.index("test2").shard(i).primaryShard().state(), equalTo(STARTED));
            assertThat(routingTable.index("test2").shard(i).replicaShards().get(0).state(), equalTo(STARTED));
        }

        logger.info("now, start 1 more node, check that rebalancing happen (for test1) because we set it to all_active");
        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();
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            assertThat(routingTable.index("test2").shard(i).primaryShard().state(), equalTo(INITIALIZING));
            assertThat(routingTable.index("test2").shard(i).replicaShards().get(0).state(), equalTo(UNASSIGNED));
        }

        logger.info("now, start 1 more node, check that rebalancing will not happen (for test1) because we set it to all_active");
        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();
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            assertThat(routingTable.index("test2").shard(i).primaryShard().state(), equalTo(STARTED));
            assertThat(routingTable.index("test2").shard(i).replicaShards().get(0).state(), equalTo(INITIALIZING));
        }

        logger.info("now, start 1 more node, check that rebalancing will not happen (for test1) because we set it to all_active");
        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();
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        assertThat(routingNodes.node("node4").numberOfShardsWithState(STARTED), equalTo(1));


        logger.info("remove 2 nodes where primaries are allocated, reroute");

        clusterState = newClusterStateBuilder().state(clusterState).nodes(newNodesBuilder().putAll(clusterState.nodes())
                .remove(routingTable.index("test1").shard(0).primaryShard().currentNodeId())
                .remove(routingTable.index("test2").shard(0).primaryShard().currentNodeId())
        )
                .build();
        prevRoutingTable = routingTable;
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        assertThat(routingNodes.node("node4").numberOfShardsWithState(STARTED), equalTo(1));


        logger.info("remove 2 nodes where primaries are allocated, reroute");

        clusterState = newClusterStateBuilder().state(clusterState).nodes(newNodesBuilder().putAll(clusterState.nodes())
                .remove(routingTable.index("test1").shard(0).primaryShard().currentNodeId())
                .remove(routingTable.index("test2").shard(0).primaryShard().currentNodeId())
        )
                .build();
        prevRoutingTable = routingTable;
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        assertThat(routingNodes.node("node4").numberOfShardsWithState(STARTED), equalTo(1));


        logger.info("remove 2 nodes where primaries are allocated, reroute");

        clusterState = newClusterStateBuilder().state(clusterState).nodes(newNodesBuilder().putAll(clusterState.nodes())
                .remove(routingTable.index("test1").shard(0).primaryShard().currentNodeId())
                .remove(routingTable.index("test2").shard(0).primaryShard().currentNodeId())
        )
                .build();
        prevRoutingTable = routingTable;
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        assertThat(routingNodes.node("node4").numberOfShardsWithState(STARTED), equalTo(1));


        logger.info("remove 2 nodes where primaries are allocated, reroute");

        clusterState = newClusterStateBuilder().state(clusterState).nodes(newNodesBuilder().putAll(clusterState.nodes())
                .remove(routingTable.index("test1").shard(0).primaryShard().currentNodeId())
                .remove(routingTable.index("test2").shard(0).primaryShard().currentNodeId())
        )
                .build();
        prevRoutingTable = routingTable;
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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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