Examples with MetaData org.elasticsearch.cluster.metadata.MetaData used on opensource projects

Example 66 with MetaData

use of org.elasticsearch.cluster.metadata.MetaData in project elasticsearch by elastic.

the class FilterRoutingTests method testClusterFilters.

public void testClusterFilters() {
    AllocationService strategy = createAllocationService(Settings.builder().put("cluster.routing.allocation.include.tag1", "value1,value2").put("cluster.routing.allocation.exclude.tag1", "value3,value4").build());
    logger.info("Building initial routing table");
    MetaData metaData = MetaData.builder().put(IndexMetaData.builder("test").settings(settings(Version.CURRENT)).numberOfShards(2).numberOfReplicas(1)).build();
    RoutingTable initialRoutingTable = RoutingTable.builder().addAsNew(metaData.index("test")).build();
    ClusterState clusterState = ClusterState.builder(org.elasticsearch.cluster.ClusterName.CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY)).metaData(metaData).routingTable(initialRoutingTable).build();
    logger.info("--> adding four nodes and performing rerouting");
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().add(newNode("node1", singletonMap("tag1", "value1"))).add(newNode("node2", singletonMap("tag1", "value2"))).add(newNode("node3", singletonMap("tag1", "value3"))).add(newNode("node4", singletonMap("tag1", "value4")))).build();
    clusterState = strategy.reroute(clusterState, "reroute");
    assertThat(clusterState.getRoutingNodes().shardsWithState(INITIALIZING).size(), equalTo(2));
    logger.info("--> start the shards (primaries)");
    clusterState = strategy.applyStartedShards(clusterState, clusterState.getRoutingNodes().shardsWithState(INITIALIZING));
    logger.info("--> start the shards (replicas)");
    clusterState = strategy.applyStartedShards(clusterState, clusterState.getRoutingNodes().shardsWithState(INITIALIZING));
    logger.info("--> make sure shards are only allocated on tag1 with value1 and value2");
    List<ShardRouting> startedShards = clusterState.getRoutingNodes().shardsWithState(ShardRoutingState.STARTED);
    assertThat(startedShards.size(), equalTo(4));
    for (ShardRouting startedShard : startedShards) {
        assertThat(startedShard.currentNodeId(), Matchers.anyOf(equalTo("node1"), equalTo("node2")));
    }
}

Example 67 with MetaData

use of org.elasticsearch.cluster.metadata.MetaData in project elasticsearch by elastic.

the class NodeVersionAllocationDeciderTests method testRandom.

public void testRandom() {
    AllocationService service = createAllocationService(Settings.builder().put("cluster.routing.allocation.node_concurrent_recoveries", 10).put(ClusterRebalanceAllocationDecider.CLUSTER_ROUTING_ALLOCATION_ALLOW_REBALANCE_SETTING.getKey(), "always").put("cluster.routing.allocation.cluster_concurrent_rebalance", -1).build());
    logger.info("Building initial routing table");
    MetaData.Builder builder = MetaData.builder();
    RoutingTable.Builder rtBuilder = RoutingTable.builder();
    int numIndices = between(1, 20);
    for (int i = 0; i < numIndices; i++) {
        builder.put(IndexMetaData.builder("test_" + i).settings(settings(Version.CURRENT)).numberOfShards(between(1, 5)).numberOfReplicas(between(0, 2)));
    }
    MetaData metaData = builder.build();
    for (int i = 0; i < numIndices; i++) {
        rtBuilder.addAsNew(metaData.index("test_" + i));
    }
    RoutingTable routingTable = rtBuilder.build();
    ClusterState clusterState = ClusterState.builder(org.elasticsearch.cluster.ClusterName.CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY)).metaData(metaData).routingTable(routingTable).build();
    assertThat(routingTable.shardsWithState(UNASSIGNED).size(), equalTo(routingTable.allShards().size()));
    List<DiscoveryNode> nodes = new ArrayList<>();
    int nodeIdx = 0;
    int iters = scaledRandomIntBetween(10, 100);
    for (int i = 0; i < iters; i++) {
        DiscoveryNodes.Builder nodesBuilder = DiscoveryNodes.builder();
        int numNodes = between(1, 20);
        if (nodes.size() > numNodes) {
            shuffle(nodes, random());
            nodes = nodes.subList(0, numNodes);
        } else {
            for (int j = nodes.size(); j < numNodes; j++) {
                if (frequently()) {
                    nodes.add(newNode("node" + (nodeIdx++), randomBoolean() ? VersionUtils.getPreviousVersion() : Version.CURRENT));
                } else {
                    nodes.add(newNode("node" + (nodeIdx++), randomVersion(random())));
                }
            }
        }
        for (DiscoveryNode node : nodes) {
            nodesBuilder.add(node);
        }
        clusterState = ClusterState.builder(clusterState).nodes(nodesBuilder).build();
        clusterState = stabilize(clusterState, service);
    }
}

Example 68 with MetaData

use of org.elasticsearch.cluster.metadata.MetaData in project elasticsearch by elastic.

the class NodeVersionAllocationDeciderTests method testRebalanceDoesNotAllocatePrimaryAndReplicasOnDifferentVersionNodes.

public void testRebalanceDoesNotAllocatePrimaryAndReplicasOnDifferentVersionNodes() {
    ShardId shard1 = new ShardId("test1", "_na_", 0);
    ShardId shard2 = new ShardId("test2", "_na_", 0);
    final DiscoveryNode newNode = new DiscoveryNode("newNode", buildNewFakeTransportAddress(), emptyMap(), MASTER_DATA_ROLES, Version.CURRENT);
    final DiscoveryNode oldNode1 = new DiscoveryNode("oldNode1", buildNewFakeTransportAddress(), emptyMap(), MASTER_DATA_ROLES, VersionUtils.getPreviousVersion());
    final DiscoveryNode oldNode2 = new DiscoveryNode("oldNode2", buildNewFakeTransportAddress(), emptyMap(), MASTER_DATA_ROLES, VersionUtils.getPreviousVersion());
    AllocationId allocationId1P = AllocationId.newInitializing();
    AllocationId allocationId1R = AllocationId.newInitializing();
    AllocationId allocationId2P = AllocationId.newInitializing();
    AllocationId allocationId2R = AllocationId.newInitializing();
    MetaData metaData = MetaData.builder().put(IndexMetaData.builder(shard1.getIndexName()).settings(settings(Version.CURRENT).put(Settings.EMPTY)).numberOfShards(1).numberOfReplicas(1).putInSyncAllocationIds(0, Sets.newHashSet(allocationId1P.getId(), allocationId1R.getId()))).put(IndexMetaData.builder(shard2.getIndexName()).settings(settings(Version.CURRENT).put(Settings.EMPTY)).numberOfShards(1).numberOfReplicas(1).putInSyncAllocationIds(0, Sets.newHashSet(allocationId2P.getId(), allocationId2R.getId()))).build();
    RoutingTable routingTable = RoutingTable.builder().add(IndexRoutingTable.builder(shard1.getIndex()).addIndexShard(new IndexShardRoutingTable.Builder(shard1).addShard(TestShardRouting.newShardRouting(shard1.getIndexName(), shard1.getId(), newNode.getId(), null, true, ShardRoutingState.STARTED, allocationId1P)).addShard(TestShardRouting.newShardRouting(shard1.getIndexName(), shard1.getId(), oldNode1.getId(), null, false, ShardRoutingState.STARTED, allocationId1R)).build())).add(IndexRoutingTable.builder(shard2.getIndex()).addIndexShard(new IndexShardRoutingTable.Builder(shard2).addShard(TestShardRouting.newShardRouting(shard2.getIndexName(), shard2.getId(), newNode.getId(), null, true, ShardRoutingState.STARTED, allocationId2P)).addShard(TestShardRouting.newShardRouting(shard2.getIndexName(), shard2.getId(), oldNode1.getId(), null, false, ShardRoutingState.STARTED, allocationId2R)).build())).build();
    ClusterState state = ClusterState.builder(org.elasticsearch.cluster.ClusterName.CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY)).metaData(metaData).routingTable(routingTable).nodes(DiscoveryNodes.builder().add(newNode).add(oldNode1).add(oldNode2)).build();
    AllocationDeciders allocationDeciders = new AllocationDeciders(Settings.EMPTY, Collections.singleton(new NodeVersionAllocationDecider(Settings.EMPTY)));
    AllocationService strategy = new MockAllocationService(Settings.EMPTY, allocationDeciders, new TestGatewayAllocator(), new BalancedShardsAllocator(Settings.EMPTY), EmptyClusterInfoService.INSTANCE);
    state = strategy.reroute(state, new AllocationCommands(), true, false).getClusterState();
    // the two indices must stay as is, the replicas cannot move to oldNode2 because versions don't match
    assertThat(state.routingTable().index(shard2.getIndex()).shardsWithState(ShardRoutingState.RELOCATING).size(), equalTo(0));
    assertThat(state.routingTable().index(shard1.getIndex()).shardsWithState(ShardRoutingState.RELOCATING).size(), equalTo(0));
}

Example 69 with MetaData

use of org.elasticsearch.cluster.metadata.MetaData in project elasticsearch by elastic.

the class PreferPrimaryAllocationTests method testPreferPrimaryAllocationOverReplicas.

public void testPreferPrimaryAllocationOverReplicas() {
    logger.info("create an allocation with 1 initial recoveries");
    AllocationService strategy = createAllocationService(Settings.builder().put("cluster.routing.allocation.node_concurrent_recoveries", 1).put(ThrottlingAllocationDecider.CLUSTER_ROUTING_ALLOCATION_NODE_CONCURRENT_OUTGOING_RECOVERIES_SETTING.getKey(), 10).put("cluster.routing.allocation.node_initial_primaries_recoveries", 1).build());
    logger.info("create several indices with no replicas, and wait till all are allocated");
    MetaData metaData = MetaData.builder().put(IndexMetaData.builder("test1").settings(settings(Version.CURRENT)).numberOfShards(10).numberOfReplicas(0)).put(IndexMetaData.builder("test2").settings(settings(Version.CURRENT)).numberOfShards(10).numberOfReplicas(0)).build();
    RoutingTable initialRoutingTable = RoutingTable.builder().addAsNew(metaData.index("test1")).addAsNew(metaData.index("test2")).build();
    ClusterState clusterState = ClusterState.builder(org.elasticsearch.cluster.ClusterName.CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY)).metaData(metaData).routingTable(initialRoutingTable).build();
    logger.info("adding two nodes and performing rerouting till all are allocated");
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().add(newNode("node1")).add(newNode("node2"))).build();
    clusterState = strategy.reroute(clusterState, "reroute");
    while (!clusterState.getRoutingNodes().shardsWithState(INITIALIZING).isEmpty()) {
        clusterState = strategy.applyStartedShards(clusterState, clusterState.getRoutingNodes().shardsWithState(INITIALIZING));
    }
    logger.info("increasing the number of replicas to 1, and perform a reroute (to get the replicas allocation going)");
    RoutingTable updatedRoutingTable = RoutingTable.builder(clusterState.routingTable()).updateNumberOfReplicas(1).build();
    metaData = MetaData.builder(clusterState.metaData()).updateNumberOfReplicas(1).build();
    clusterState = ClusterState.builder(clusterState).routingTable(updatedRoutingTable).metaData(metaData).build();
    clusterState = strategy.reroute(clusterState, "reroute");
    logger.info("2 replicas should be initializing now for the existing indices (we throttle to 1)");
    assertThat(clusterState.getRoutingNodes().shardsWithState(INITIALIZING).size(), equalTo(2));
    logger.info("create a new index");
    metaData = MetaData.builder(clusterState.metaData()).put(IndexMetaData.builder("new_index").settings(settings(Version.CURRENT)).numberOfShards(4).numberOfReplicas(0)).build();
    updatedRoutingTable = RoutingTable.builder(clusterState.routingTable()).addAsNew(metaData.index("new_index")).build();
    clusterState = ClusterState.builder(clusterState).metaData(metaData).routingTable(updatedRoutingTable).build();
    logger.info("reroute, verify that primaries for the new index primary shards are allocated");
    clusterState = strategy.reroute(clusterState, "reroute");
    assertThat(clusterState.routingTable().index("new_index").shardsWithState(INITIALIZING).size(), equalTo(2));
}

Example 70 with MetaData

use of org.elasticsearch.cluster.metadata.MetaData in project elasticsearch by elastic.

the class PrimaryElectionRoutingTests method testBackupElectionToPrimaryWhenPrimaryCanBeAllocatedToAnotherNode.

public void testBackupElectionToPrimaryWhenPrimaryCanBeAllocatedToAnotherNode() {
    AllocationService strategy = createAllocationService(Settings.builder().put("cluster.routing.allocation.node_concurrent_recoveries", 10).build());
    logger.info("Building initial routing table");
    MetaData metaData = MetaData.builder().put(IndexMetaData.builder("test").settings(settings(Version.CURRENT)).numberOfShards(1).numberOfReplicas(1)).build();
    RoutingTable routingTable = RoutingTable.builder().addAsNew(metaData.index("test")).build();
    ClusterState clusterState = ClusterState.builder(org.elasticsearch.cluster.ClusterName.CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY)).metaData(metaData).routingTable(routingTable).build();
    logger.info("Adding two nodes and performing rerouting");
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().add(newNode("node1"))).build();
    clusterState = strategy.reroute(clusterState, "reroute");
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder(clusterState.nodes()).add(newNode("node2"))).build();
    clusterState = strategy.reroute(clusterState, "reroute");
    logger.info("Start the primary shard (on node1)");
    RoutingNodes routingNodes = clusterState.getRoutingNodes();
    clusterState = strategy.applyStartedShards(clusterState, routingNodes.node("node1").shardsWithState(INITIALIZING));
    logger.info("Start the backup shard (on node2)");
    routingNodes = clusterState.getRoutingNodes();
    clusterState = strategy.applyStartedShards(clusterState, routingNodes.node("node2").shardsWithState(INITIALIZING));
    logger.info("Adding third node and reroute and kill first node");
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder(clusterState.nodes()).add(newNode("node3")).remove("node1")).build();
    RoutingTable prevRoutingTable = clusterState.routingTable();
    clusterState = strategy.deassociateDeadNodes(clusterState, true, "reroute");
    routingNodes = clusterState.getRoutingNodes();
    routingTable = clusterState.routingTable();
    assertThat(prevRoutingTable != routingTable, equalTo(true));
    assertThat(routingTable.index("test").shards().size(), equalTo(1));
    assertThat(routingNodes.node("node1"), nullValue());
    assertThat(routingNodes.node("node2").numberOfShardsWithState(STARTED), equalTo(1));
    assertThat(routingNodes.node("node3").numberOfShardsWithState(INITIALIZING), equalTo(1));
    // verify where the primary is
    assertThat(routingTable.index("test").shard(0).primaryShard().currentNodeId(), equalTo("node2"));
    assertThat(clusterState.metaData().index("test").primaryTerm(0), equalTo(2L));
    assertThat(routingTable.index("test").shard(0).replicaShards().get(0).currentNodeId(), equalTo("node3"));
}