Examples with ClusterInfo org.elasticsearch.cluster.ClusterInfo used on opensource projects

Example 11 with ClusterInfo

use of org.elasticsearch.cluster.ClusterInfo in project elasticsearch by elastic.

the class DiskThresholdDeciderTests method testShardRelocationsTakenIntoAccount.

public void testShardRelocationsTakenIntoAccount() {
    Settings diskSettings = Settings.builder().put(DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_DISK_THRESHOLD_ENABLED_SETTING.getKey(), true).put(DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_INCLUDE_RELOCATIONS_SETTING.getKey(), true).put(DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_LOW_DISK_WATERMARK_SETTING.getKey(), 0.7).put(DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_HIGH_DISK_WATERMARK_SETTING.getKey(), 0.8).build();
    ImmutableOpenMap.Builder<String, DiskUsage> usagesBuilder = ImmutableOpenMap.builder();
    // 60% used
    usagesBuilder.put("node1", new DiskUsage("node1", "n1", "/dev/null", 100, 40));
    // 60% used
    usagesBuilder.put("node2", new DiskUsage("node2", "n2", "/dev/null", 100, 40));
    // 60% used
    usagesBuilder.put("node3", new DiskUsage("node3", "n3", "/dev/null", 100, 40));
    ImmutableOpenMap<String, DiskUsage> usages = usagesBuilder.build();
    ImmutableOpenMap.Builder<String, Long> shardSizesBuilder = ImmutableOpenMap.builder();
    // 14 bytes
    shardSizesBuilder.put("[test][0][p]", 14L);
    shardSizesBuilder.put("[test][0][r]", 14L);
    // 1 bytes
    shardSizesBuilder.put("[test2][0][p]", 1L);
    shardSizesBuilder.put("[test2][0][r]", 1L);
    ImmutableOpenMap<String, Long> shardSizes = shardSizesBuilder.build();
    final ClusterInfo clusterInfo = new DevNullClusterInfo(usages, usages, shardSizes);
    DiskThresholdDecider decider = makeDecider(diskSettings);
    AllocationDeciders deciders = new AllocationDeciders(Settings.EMPTY, new HashSet<>(Arrays.asList(new SameShardAllocationDecider(Settings.EMPTY, new ClusterSettings(Settings.EMPTY, ClusterSettings.BUILT_IN_CLUSTER_SETTINGS)), decider)));
    ClusterInfoService cis = new ClusterInfoService() {

        @Override
        public ClusterInfo getClusterInfo() {
            logger.info("--> calling fake getClusterInfo");
            return clusterInfo;
        }

        @Override
        public void addListener(Listener listener) {
        // noop
        }
    };
    AllocationService strategy = new AllocationService(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(), deciders, new TestGatewayAllocator(), new BalancedShardsAllocator(Settings.EMPTY), cis);
    MetaData metaData = MetaData.builder().put(IndexMetaData.builder("test").settings(settings(Version.CURRENT)).numberOfShards(1).numberOfReplicas(1)).put(IndexMetaData.builder("test2").settings(settings(Version.CURRENT)).numberOfShards(1).numberOfReplicas(1)).build();
    RoutingTable initialRoutingTable = RoutingTable.builder().addAsNew(metaData.index("test")).addAsNew(metaData.index("test2")).build();
    ClusterState clusterState = ClusterState.builder(ClusterName.CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY)).metaData(metaData).routingTable(initialRoutingTable).build();
    logger.info("--> adding two nodes");
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().add(newNode("node1")).add(newNode("node2"))).build();
    clusterState = strategy.reroute(clusterState, "reroute");
    logShardStates(clusterState);
    // shards should be initializing
    assertThat(clusterState.getRoutingNodes().shardsWithState(INITIALIZING).size(), equalTo(4));
    logger.info("--> start the shards");
    clusterState = strategy.applyStartedShards(clusterState, clusterState.getRoutingNodes().shardsWithState(INITIALIZING));
    logShardStates(clusterState);
    // Assert that we're able to start the primary and replicas
    assertThat(clusterState.getRoutingNodes().shardsWithState(ShardRoutingState.STARTED).size(), equalTo(4));
    logger.info("--> adding node3");
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder(clusterState.nodes()).add(newNode("node3"))).build();
    AllocationCommand relocate1 = new MoveAllocationCommand("test", 0, "node2", "node3");
    AllocationCommands cmds = new AllocationCommands(relocate1);
    clusterState = strategy.reroute(clusterState, cmds, false, false).getClusterState();
    logShardStates(clusterState);
    AllocationCommand relocate2 = new MoveAllocationCommand("test2", 0, "node2", "node3");
    cmds = new AllocationCommands(relocate2);
    try {
        // The shard for the "test" index is already being relocated to
        // node3, which will put it over the low watermark when it
        // completes, with shard relocations taken into account this should
        // throw an exception about not being able to complete
        strategy.reroute(clusterState, cmds, false, false);
        fail("should not have been able to reroute the shard");
    } catch (IllegalArgumentException e) {
        assertThat("can't be allocated because there isn't enough room: " + e.getMessage(), e.getMessage(), containsString("the node is above the low watermark cluster setting " + "[cluster.routing.allocation.disk.watermark.low=0.7], using more disk space than the maximum " + "allowed [70.0%], actual free: [26.0%]"));
    }
}

Example 12 with ClusterInfo

use of org.elasticsearch.cluster.ClusterInfo in project elasticsearch by elastic.

the class RebalanceAfterActiveTests method testRebalanceOnlyAfterAllShardsAreActive.

public void testRebalanceOnlyAfterAllShardsAreActive() {
    final long[] sizes = new long[5];
    for (int i = 0; i < sizes.length; i++) {
        sizes[i] = randomIntBetween(0, Integer.MAX_VALUE);
    }
    AllocationService strategy = 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(), new ClusterInfoService() {

        @Override
        public ClusterInfo getClusterInfo() {
            return new ClusterInfo() {

                @Override
                public Long getShardSize(ShardRouting shardRouting) {
                    if (shardRouting.getIndexName().equals("test")) {
                        return sizes[shardRouting.getId()];
                    }
                    return null;
                }
            };
        }

        @Override
        public void addListener(Listener listener) {
        }
    });
    logger.info("Building initial routing table");
    MetaData metaData = MetaData.builder().put(IndexMetaData.builder("test").settings(settings(Version.CURRENT)).numberOfShards(5).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();
    assertThat(clusterState.routingTable().index("test").shards().size(), equalTo(5));
    for (int i = 0; i < clusterState.routingTable().index("test").shards().size(); i++) {
        assertThat(clusterState.routingTable().index("test").shard(i).shards().size(), equalTo(2));
        assertThat(clusterState.routingTable().index("test").shard(i).shards().get(0).state(), equalTo(UNASSIGNED));
        assertThat(clusterState.routingTable().index("test").shard(i).shards().get(1).state(), equalTo(UNASSIGNED));
        assertThat(clusterState.routingTable().index("test").shard(i).shards().get(0).currentNodeId(), nullValue());
        assertThat(clusterState.routingTable().index("test").shard(i).shards().get(1).currentNodeId(), nullValue());
    }
    logger.info("start two nodes and fully start the shards");
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().add(newNode("node1")).add(newNode("node2"))).build();
    clusterState = strategy.reroute(clusterState, "reroute");
    for (int i = 0; i < clusterState.routingTable().index("test").shards().size(); i++) {
        assertThat(clusterState.routingTable().index("test").shard(i).shards().size(), equalTo(2));
        assertThat(clusterState.routingTable().index("test").shard(i).primaryShard().state(), equalTo(INITIALIZING));
        assertThat(clusterState.routingTable().index("test").shard(i).replicaShards().get(0).state(), equalTo(UNASSIGNED));
    }
    logger.info("start all the primary shards, replicas will start initializing");
    RoutingNodes routingNodes = clusterState.getRoutingNodes();
    clusterState = strategy.applyStartedShards(clusterState, routingNodes.shardsWithState(INITIALIZING));
    routingNodes = clusterState.getRoutingNodes();
    for (int i = 0; i < clusterState.routingTable().index("test").shards().size(); i++) {
        assertThat(clusterState.routingTable().index("test").shard(i).shards().size(), equalTo(2));
        assertThat(clusterState.routingTable().index("test").shard(i).primaryShard().state(), equalTo(STARTED));
        assertThat(clusterState.routingTable().index("test").shard(i).replicaShards().get(0).state(), equalTo(INITIALIZING));
        assertEquals(clusterState.routingTable().index("test").shard(i).replicaShards().get(0).getExpectedShardSize(), sizes[i]);
    }
    logger.info("now, start 8 more nodes, and check that no rebalancing/relocation have happened");
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder(clusterState.nodes()).add(newNode("node3")).add(newNode("node4")).add(newNode("node5")).add(newNode("node6")).add(newNode("node7")).add(newNode("node8")).add(newNode("node9")).add(newNode("node10"))).build();
    clusterState = strategy.reroute(clusterState, "reroute");
    routingNodes = clusterState.getRoutingNodes();
    for (int i = 0; i < clusterState.routingTable().index("test").shards().size(); i++) {
        assertThat(clusterState.routingTable().index("test").shard(i).shards().size(), equalTo(2));
        assertThat(clusterState.routingTable().index("test").shard(i).primaryShard().state(), equalTo(STARTED));
        assertThat(clusterState.routingTable().index("test").shard(i).replicaShards().get(0).state(), equalTo(INITIALIZING));
        assertEquals(clusterState.routingTable().index("test").shard(i).replicaShards().get(0).getExpectedShardSize(), sizes[i]);
    }
    logger.info("start the replica shards, rebalancing should start");
    routingNodes = clusterState.getRoutingNodes();
    clusterState = strategy.applyStartedShards(clusterState, routingNodes.shardsWithState(INITIALIZING));
    routingNodes = clusterState.getRoutingNodes();
    // we only allow one relocation at a time
    assertThat(clusterState.routingTable().shardsWithState(STARTED).size(), equalTo(5));
    assertThat(clusterState.routingTable().shardsWithState(RELOCATING).size(), equalTo(5));
    for (int i = 0; i < clusterState.routingTable().index("test").shards().size(); i++) {
        int num = 0;
        for (ShardRouting routing : clusterState.routingTable().index("test").shard(i).shards()) {
            if (routing.state() == RELOCATING || routing.state() == INITIALIZING) {
                assertEquals(routing.getExpectedShardSize(), sizes[i]);
                num++;
            }
        }
        assertTrue(num > 0);
    }
    logger.info("complete relocation, other half of relocation should happen");
    routingNodes = clusterState.getRoutingNodes();
    clusterState = strategy.applyStartedShards(clusterState, routingNodes.shardsWithState(INITIALIZING));
    routingNodes = clusterState.getRoutingNodes();
    // we now only relocate 3, since 2 remain where they are!
    assertThat(clusterState.routingTable().shardsWithState(STARTED).size(), equalTo(7));
    assertThat(clusterState.routingTable().shardsWithState(RELOCATING).size(), equalTo(3));
    for (int i = 0; i < clusterState.routingTable().index("test").shards().size(); i++) {
        for (ShardRouting routing : clusterState.routingTable().index("test").shard(i).shards()) {
            if (routing.state() == RELOCATING || routing.state() == INITIALIZING) {
                assertEquals(routing.getExpectedShardSize(), sizes[i]);
            }
        }
    }
    logger.info("complete relocation, that's it!");
    routingNodes = clusterState.getRoutingNodes();
    clusterState = strategy.applyStartedShards(clusterState, routingNodes.shardsWithState(INITIALIZING));
    routingNodes = clusterState.getRoutingNodes();
    assertThat(clusterState.routingTable().shardsWithState(STARTED).size(), equalTo(10));
    // make sure we have an even relocation
    for (RoutingNode routingNode : routingNodes) {
        assertThat(routingNode.size(), equalTo(1));
    }
}

Example 13 with ClusterInfo

use of org.elasticsearch.cluster.ClusterInfo in project elasticsearch by elastic.

the class ExpectedShardSizeAllocationTests method testExpectedSizeOnMove.

public void testExpectedSizeOnMove() {
    final long byteSize = randomIntBetween(0, Integer.MAX_VALUE);
    final AllocationService allocation = createAllocationService(Settings.EMPTY, new ClusterInfoService() {

        @Override
        public ClusterInfo getClusterInfo() {
            return new ClusterInfo() {

                @Override
                public Long getShardSize(ShardRouting shardRouting) {
                    if (shardRouting.getIndexName().equals("test") && shardRouting.shardId().getId() == 0) {
                        return byteSize;
                    }
                    return null;
                }
            };
        }

        @Override
        public void addListener(Listener listener) {
        }
    });
    logger.info("creating an index with 1 shard, no replica");
    MetaData metaData = MetaData.builder().put(IndexMetaData.builder("test").settings(settings(Version.CURRENT)).numberOfShards(1).numberOfReplicas(0)).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")).add(newNode("node2"))).build();
    clusterState = allocation.reroute(clusterState, "reroute");
    logger.info("start primary shard");
    clusterState = allocation.applyStartedShards(clusterState, clusterState.getRoutingNodes().shardsWithState(INITIALIZING));
    logger.info("move the shard");
    String existingNodeId = clusterState.routingTable().index("test").shard(0).primaryShard().currentNodeId();
    String toNodeId;
    if ("node1".equals(existingNodeId)) {
        toNodeId = "node2";
    } else {
        toNodeId = "node1";
    }
    AllocationService.CommandsResult commandsResult = allocation.reroute(clusterState, new AllocationCommands(new MoveAllocationCommand("test", 0, existingNodeId, toNodeId)), false, false);
    assertThat(commandsResult.getClusterState(), not(equalTo(clusterState)));
    clusterState = commandsResult.getClusterState();
    assertEquals(clusterState.getRoutingNodes().node(existingNodeId).iterator().next().state(), ShardRoutingState.RELOCATING);
    assertEquals(clusterState.getRoutingNodes().node(toNodeId).iterator().next().state(), ShardRoutingState.INITIALIZING);
    assertEquals(clusterState.getRoutingNodes().node(existingNodeId).iterator().next().getExpectedShardSize(), byteSize);
    assertEquals(clusterState.getRoutingNodes().node(toNodeId).iterator().next().getExpectedShardSize(), byteSize);
    logger.info("finish moving the shard");
    clusterState = allocation.applyStartedShards(clusterState, clusterState.getRoutingNodes().shardsWithState(INITIALIZING));
    assertThat(clusterState.getRoutingNodes().node(existingNodeId).isEmpty(), equalTo(true));
    assertThat(clusterState.getRoutingNodes().node(toNodeId).iterator().next().state(), equalTo(ShardRoutingState.STARTED));
    assertEquals(clusterState.getRoutingNodes().node(toNodeId).iterator().next().getExpectedShardSize(), -1);
}

Example 14 with ClusterInfo

use of org.elasticsearch.cluster.ClusterInfo in project elasticsearch by elastic.

the class DiskThresholdDeciderTests method testForSingleDataNode.

public void testForSingleDataNode() {
    Settings diskSettings = Settings.builder().put(DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_DISK_THRESHOLD_ENABLED_SETTING.getKey(), true).put(DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_INCLUDE_RELOCATIONS_SETTING.getKey(), true).put(DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_LOW_DISK_WATERMARK_SETTING.getKey(), "60%").put(DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_HIGH_DISK_WATERMARK_SETTING.getKey(), "70%").build();
    ImmutableOpenMap.Builder<String, DiskUsage> usagesBuilder = ImmutableOpenMap.builder();
    // 0% used
    usagesBuilder.put("node1", new DiskUsage("node1", "n1", "/dev/null", 100, 100));
    // 80% used
    usagesBuilder.put("node2", new DiskUsage("node2", "n2", "/dev/null", 100, 20));
    // 0% used
    usagesBuilder.put("node3", new DiskUsage("node3", "n3", "/dev/null", 100, 100));
    ImmutableOpenMap<String, DiskUsage> usages = usagesBuilder.build();
    // We have an index with 1 primary shards each taking 40 bytes. Each node has 100 bytes available
    ImmutableOpenMap.Builder<String, Long> shardSizes = ImmutableOpenMap.builder();
    shardSizes.put("[test][0][p]", 40L);
    shardSizes.put("[test][1][p]", 40L);
    final ClusterInfo clusterInfo = new DevNullClusterInfo(usages, usages, shardSizes.build());
    DiskThresholdDecider diskThresholdDecider = makeDecider(diskSettings);
    MetaData metaData = MetaData.builder().put(IndexMetaData.builder("test").settings(settings(Version.CURRENT)).numberOfShards(2).numberOfReplicas(0)).build();
    RoutingTable initialRoutingTable = RoutingTable.builder().addAsNew(metaData.index("test")).build();
    logger.info("--> adding one master node, one data node");
    DiscoveryNode discoveryNode1 = new DiscoveryNode("", "node1", buildNewFakeTransportAddress(), emptyMap(), singleton(DiscoveryNode.Role.MASTER), Version.CURRENT);
    DiscoveryNode discoveryNode2 = new DiscoveryNode("", "node2", buildNewFakeTransportAddress(), emptyMap(), singleton(DiscoveryNode.Role.DATA), Version.CURRENT);
    DiscoveryNodes discoveryNodes = DiscoveryNodes.builder().add(discoveryNode1).add(discoveryNode2).build();
    ClusterState baseClusterState = ClusterState.builder(ClusterName.CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY)).metaData(metaData).routingTable(initialRoutingTable).nodes(discoveryNodes).build();
    // Two shards consumes 80% of disk space in data node, but we have only one data node, shards should remain.
    ShardRouting firstRouting = TestShardRouting.newShardRouting("test", 0, "node2", null, true, ShardRoutingState.STARTED);
    ShardRouting secondRouting = TestShardRouting.newShardRouting("test", 1, "node2", null, true, ShardRoutingState.STARTED);
    RoutingNode firstRoutingNode = new RoutingNode("node2", discoveryNode2, firstRouting, secondRouting);
    RoutingTable.Builder builder = RoutingTable.builder().add(IndexRoutingTable.builder(firstRouting.index()).addIndexShard(new IndexShardRoutingTable.Builder(firstRouting.shardId()).addShard(firstRouting).build()).addIndexShard(new IndexShardRoutingTable.Builder(secondRouting.shardId()).addShard(secondRouting).build()));
    ClusterState clusterState = ClusterState.builder(baseClusterState).routingTable(builder.build()).build();
    RoutingAllocation routingAllocation = new RoutingAllocation(null, new RoutingNodes(clusterState), clusterState, clusterInfo, System.nanoTime(), false);
    routingAllocation.debugDecision(true);
    Decision decision = diskThresholdDecider.canRemain(firstRouting, firstRoutingNode, routingAllocation);
    // Two shards should start happily
    assertThat(decision.type(), equalTo(Decision.Type.YES));
    assertThat(((Decision.Single) decision).getExplanation(), containsString("there is only a single data node present"));
    ClusterInfoService cis = new ClusterInfoService() {

        @Override
        public ClusterInfo getClusterInfo() {
            logger.info("--> calling fake getClusterInfo");
            return clusterInfo;
        }

        @Override
        public void addListener(Listener listener) {
        }
    };
    AllocationDeciders deciders = new AllocationDeciders(Settings.EMPTY, new HashSet<>(Arrays.asList(new SameShardAllocationDecider(Settings.EMPTY, new ClusterSettings(Settings.EMPTY, ClusterSettings.BUILT_IN_CLUSTER_SETTINGS)), diskThresholdDecider)));
    AllocationService strategy = new AllocationService(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(), deciders, new TestGatewayAllocator(), new BalancedShardsAllocator(Settings.EMPTY), cis);
    ClusterState result = strategy.reroute(clusterState, "reroute");
    assertThat(result.routingTable().index("test").getShards().get(0).primaryShard().state(), equalTo(STARTED));
    assertThat(result.routingTable().index("test").getShards().get(0).primaryShard().currentNodeId(), equalTo("node2"));
    assertThat(result.routingTable().index("test").getShards().get(0).primaryShard().relocatingNodeId(), nullValue());
    assertThat(result.routingTable().index("test").getShards().get(1).primaryShard().state(), equalTo(STARTED));
    assertThat(result.routingTable().index("test").getShards().get(1).primaryShard().currentNodeId(), equalTo("node2"));
    assertThat(result.routingTable().index("test").getShards().get(1).primaryShard().relocatingNodeId(), nullValue());
    // Add another datanode, it should relocate.
    logger.info("--> adding node3");
    DiscoveryNode discoveryNode3 = new DiscoveryNode("", "node3", buildNewFakeTransportAddress(), emptyMap(), singleton(DiscoveryNode.Role.DATA), Version.CURRENT);
    ClusterState updateClusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder(clusterState.nodes()).add(discoveryNode3)).build();
    firstRouting = TestShardRouting.newShardRouting("test", 0, "node2", null, true, ShardRoutingState.STARTED);
    secondRouting = TestShardRouting.newShardRouting("test", 1, "node2", "node3", true, ShardRoutingState.RELOCATING);
    firstRoutingNode = new RoutingNode("node2", discoveryNode2, firstRouting, secondRouting);
    builder = RoutingTable.builder().add(IndexRoutingTable.builder(firstRouting.index()).addIndexShard(new IndexShardRoutingTable.Builder(firstRouting.shardId()).addShard(firstRouting).build()).addIndexShard(new IndexShardRoutingTable.Builder(secondRouting.shardId()).addShard(secondRouting).build()));
    clusterState = ClusterState.builder(updateClusterState).routingTable(builder.build()).build();
    routingAllocation = new RoutingAllocation(null, new RoutingNodes(clusterState), clusterState, clusterInfo, System.nanoTime(), false);
    routingAllocation.debugDecision(true);
    decision = diskThresholdDecider.canRemain(firstRouting, firstRoutingNode, routingAllocation);
    assertThat(decision.type(), equalTo(Decision.Type.YES));
    assertThat(((Decision.Single) decision).getExplanation(), containsString("there is enough disk on this node for the shard to remain, free: [60b]"));
    result = strategy.reroute(clusterState, "reroute");
    assertThat(result.routingTable().index("test").getShards().get(0).primaryShard().state(), equalTo(STARTED));
    assertThat(result.routingTable().index("test").getShards().get(0).primaryShard().currentNodeId(), equalTo("node2"));
    assertThat(result.routingTable().index("test").getShards().get(0).primaryShard().relocatingNodeId(), nullValue());
    assertThat(result.routingTable().index("test").getShards().get(1).primaryShard().state(), equalTo(RELOCATING));
    assertThat(result.routingTable().index("test").getShards().get(1).primaryShard().currentNodeId(), equalTo("node2"));
    assertThat(result.routingTable().index("test").getShards().get(1).primaryShard().relocatingNodeId(), equalTo("node3"));
}

Example 15 with ClusterInfo

use of org.elasticsearch.cluster.ClusterInfo in project elasticsearch by elastic.

the class DiskThresholdDeciderUnitTests method testSizeShrinkIndex.

public void testSizeShrinkIndex() {
    ImmutableOpenMap.Builder<String, Long> shardSizes = ImmutableOpenMap.builder();
    shardSizes.put("[test][0][p]", 10L);
    shardSizes.put("[test][1][p]", 100L);
    shardSizes.put("[test][2][p]", 500L);
    shardSizes.put("[test][3][p]", 500L);
    ClusterInfo info = new DevNullClusterInfo(ImmutableOpenMap.of(), ImmutableOpenMap.of(), shardSizes.build());
    MetaData.Builder metaBuilder = MetaData.builder();
    metaBuilder.put(IndexMetaData.builder("test").settings(settings(Version.CURRENT).put("index.uuid", "1234")).numberOfShards(4).numberOfReplicas(0));
    metaBuilder.put(IndexMetaData.builder("target").settings(settings(Version.CURRENT).put("index.uuid", "5678").put("index.shrink.source.name", "test").put("index.shrink.source.uuid", "1234")).numberOfShards(1).numberOfReplicas(0));
    metaBuilder.put(IndexMetaData.builder("target2").settings(settings(Version.CURRENT).put("index.uuid", "9101112").put("index.shrink.source.name", "test").put("index.shrink.source.uuid", "1234")).numberOfShards(2).numberOfReplicas(0));
    MetaData metaData = metaBuilder.build();
    RoutingTable.Builder routingTableBuilder = RoutingTable.builder();
    routingTableBuilder.addAsNew(metaData.index("test"));
    routingTableBuilder.addAsNew(metaData.index("target"));
    routingTableBuilder.addAsNew(metaData.index("target2"));
    ClusterState clusterState = ClusterState.builder(org.elasticsearch.cluster.ClusterName.CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY)).metaData(metaData).routingTable(routingTableBuilder.build()).build();
    AllocationService allocationService = createAllocationService();
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().add(newNode("node1"))).build();
    clusterState = allocationService.reroute(clusterState, "foo");
    clusterState = allocationService.applyStartedShards(clusterState, clusterState.getRoutingTable().index("test").shardsWithState(ShardRoutingState.UNASSIGNED));
    RoutingAllocation allocation = new RoutingAllocation(null, clusterState.getRoutingNodes(), clusterState, info, 0, false);
    final Index index = new Index("test", "1234");
    ShardRouting test_0 = ShardRouting.newUnassigned(new ShardId(index, 0), true, LocalShardsRecoverySource.INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
    test_0 = ShardRoutingHelper.initialize(test_0, "node1");
    test_0 = ShardRoutingHelper.moveToStarted(test_0);
    ShardRouting test_1 = ShardRouting.newUnassigned(new ShardId(index, 1), true, LocalShardsRecoverySource.INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
    test_1 = ShardRoutingHelper.initialize(test_1, "node2");
    test_1 = ShardRoutingHelper.moveToStarted(test_1);
    ShardRouting test_2 = ShardRouting.newUnassigned(new ShardId(index, 2), true, LocalShardsRecoverySource.INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
    test_2 = ShardRoutingHelper.initialize(test_2, "node1");
    ShardRouting test_3 = ShardRouting.newUnassigned(new ShardId(index, 3), true, LocalShardsRecoverySource.INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
    test_3 = ShardRoutingHelper.initialize(test_3, "node1");
    assertEquals(500L, DiskThresholdDecider.getExpectedShardSize(test_3, allocation, 0));
    assertEquals(500L, DiskThresholdDecider.getExpectedShardSize(test_2, allocation, 0));
    assertEquals(100L, DiskThresholdDecider.getExpectedShardSize(test_1, allocation, 0));
    assertEquals(10L, DiskThresholdDecider.getExpectedShardSize(test_0, allocation, 0));
    ShardRouting target = ShardRouting.newUnassigned(new ShardId(new Index("target", "5678"), 0), true, LocalShardsRecoverySource.INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
    assertEquals(1110L, DiskThresholdDecider.getExpectedShardSize(target, allocation, 0));
    ShardRouting target2 = ShardRouting.newUnassigned(new ShardId(new Index("target2", "9101112"), 0), true, LocalShardsRecoverySource.INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
    assertEquals(110L, DiskThresholdDecider.getExpectedShardSize(target2, allocation, 0));
    target2 = ShardRouting.newUnassigned(new ShardId(new Index("target2", "9101112"), 1), true, LocalShardsRecoverySource.INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
    assertEquals(1000L, DiskThresholdDecider.getExpectedShardSize(target2, allocation, 0));
}