Search in sources :

Example 26 with ClusterInfo

use of org.opensearch.cluster.ClusterInfo in project OpenSearch by opensearch-project.

the class DiskThresholdDeciderUnitTests method testCanAllocateUsesMaxAvailableSpace.

public void testCanAllocateUsesMaxAvailableSpace() {
    ClusterSettings nss = new ClusterSettings(Settings.EMPTY, ClusterSettings.BUILT_IN_CLUSTER_SETTINGS);
    DiskThresholdDecider decider = new DiskThresholdDecider(Settings.EMPTY, nss);
    Metadata metadata = Metadata.builder().put(IndexMetadata.builder("test").settings(settings(Version.CURRENT)).numberOfShards(1).numberOfReplicas(1)).build();
    final Index index = metadata.index("test").getIndex();
    ShardRouting test_0 = ShardRouting.newUnassigned(new ShardId(index, 0), true, EmptyStoreRecoverySource.INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
    DiscoveryNode node_0 = new DiscoveryNode("node_0", buildNewFakeTransportAddress(), Collections.emptyMap(), new HashSet<>(DiscoveryNodeRole.BUILT_IN_ROLES), Version.CURRENT);
    DiscoveryNode node_1 = new DiscoveryNode("node_1", buildNewFakeTransportAddress(), Collections.emptyMap(), new HashSet<>(DiscoveryNodeRole.BUILT_IN_ROLES), Version.CURRENT);
    RoutingTable routingTable = RoutingTable.builder().addAsNew(metadata.index("test")).build();
    ClusterState clusterState = ClusterState.builder(ClusterName.CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY)).metadata(metadata).routingTable(routingTable).build();
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().add(node_0).add(node_1)).build();
    // actual test -- after all that bloat :)
    ImmutableOpenMap.Builder<String, DiskUsage> leastAvailableUsages = ImmutableOpenMap.builder();
    // all full
    leastAvailableUsages.put("node_0", new DiskUsage("node_0", "node_0", "_na_", 100, 0));
    // all full
    leastAvailableUsages.put("node_1", new DiskUsage("node_1", "node_1", "_na_", 100, 0));
    ImmutableOpenMap.Builder<String, DiskUsage> mostAvailableUsage = ImmutableOpenMap.builder();
    // 20 - 99 percent since after allocation there must be at least 10% left and shard is 10byte
    mostAvailableUsage.put("node_0", new DiskUsage("node_0", "node_0", "_na_", 100, randomIntBetween(20, 100)));
    // this is weird and smells like a bug! it should be up to 20%?
    mostAvailableUsage.put("node_1", new DiskUsage("node_1", "node_1", "_na_", 100, randomIntBetween(0, 10)));
    ImmutableOpenMap.Builder<String, Long> shardSizes = ImmutableOpenMap.builder();
    // 10 bytes
    shardSizes.put("[test][0][p]", 10L);
    final ClusterInfo clusterInfo = new ClusterInfo(leastAvailableUsages.build(), mostAvailableUsage.build(), shardSizes.build(), ImmutableOpenMap.of(), ImmutableOpenMap.of());
    RoutingAllocation allocation = new RoutingAllocation(new AllocationDeciders(Collections.singleton(decider)), clusterState.getRoutingNodes(), clusterState, clusterInfo, null, System.nanoTime());
    allocation.debugDecision(true);
    Decision decision = decider.canAllocate(test_0, new RoutingNode("node_0", node_0), allocation);
    assertEquals(mostAvailableUsage.toString(), Decision.Type.YES, decision.type());
    assertThat(((Decision.Single) decision).getExplanation(), containsString("enough disk for shard on node"));
    decision = decider.canAllocate(test_0, new RoutingNode("node_1", node_1), allocation);
    assertEquals(mostAvailableUsage.toString(), Decision.Type.NO, decision.type());
    assertThat(((Decision.Single) decision).getExplanation(), containsString("the node is above the high watermark cluster " + "setting [cluster.routing.allocation.disk.watermark.high=90%], using more disk space than the maximum allowed [90.0%]"));
}
Also used : ClusterState(org.opensearch.cluster.ClusterState) DiscoveryNode(org.opensearch.cluster.node.DiscoveryNode) ClusterSettings(org.opensearch.common.settings.ClusterSettings) UnassignedInfo(org.opensearch.cluster.routing.UnassignedInfo) Metadata(org.opensearch.cluster.metadata.Metadata) IndexMetadata(org.opensearch.cluster.metadata.IndexMetadata) Index(org.opensearch.index.Index) Matchers.containsString(org.hamcrest.Matchers.containsString) DiskUsage(org.opensearch.cluster.DiskUsage) ImmutableOpenMap(org.opensearch.common.collect.ImmutableOpenMap) ShardId(org.opensearch.index.shard.ShardId) ClusterInfo(org.opensearch.cluster.ClusterInfo) RoutingTable(org.opensearch.cluster.routing.RoutingTable) RoutingNode(org.opensearch.cluster.routing.RoutingNode) ShardRouting(org.opensearch.cluster.routing.ShardRouting) RoutingAllocation(org.opensearch.cluster.routing.allocation.RoutingAllocation)

Example 27 with ClusterInfo

use of org.opensearch.cluster.ClusterInfo in project OpenSearch by opensearch-project.

the class DiskThresholdDeciderUnitTests method testCannotAllocateDueToLackOfDiskResources.

public void testCannotAllocateDueToLackOfDiskResources() {
    ClusterSettings nss = new ClusterSettings(Settings.EMPTY, ClusterSettings.BUILT_IN_CLUSTER_SETTINGS);
    DiskThresholdDecider decider = new DiskThresholdDecider(Settings.EMPTY, nss);
    Metadata metadata = Metadata.builder().put(IndexMetadata.builder("test").settings(settings(Version.CURRENT)).numberOfShards(1).numberOfReplicas(1)).build();
    final Index index = metadata.index("test").getIndex();
    ShardRouting test_0 = ShardRouting.newUnassigned(new ShardId(index, 0), true, EmptyStoreRecoverySource.INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
    DiscoveryNode node_0 = new DiscoveryNode("node_0", buildNewFakeTransportAddress(), Collections.emptyMap(), new HashSet<>(DiscoveryNodeRole.BUILT_IN_ROLES), Version.CURRENT);
    DiscoveryNode node_1 = new DiscoveryNode("node_1", buildNewFakeTransportAddress(), Collections.emptyMap(), new HashSet<>(DiscoveryNodeRole.BUILT_IN_ROLES), Version.CURRENT);
    RoutingTable routingTable = RoutingTable.builder().addAsNew(metadata.index("test")).build();
    ClusterState clusterState = ClusterState.builder(ClusterName.CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY)).metadata(metadata).routingTable(routingTable).build();
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().add(node_0).add(node_1)).build();
    // actual test -- after all that bloat :)
    ImmutableOpenMap.Builder<String, DiskUsage> leastAvailableUsages = ImmutableOpenMap.builder();
    // all full
    leastAvailableUsages.put("node_0", new DiskUsage("node_0", "node_0", "_na_", 100, 0));
    ImmutableOpenMap.Builder<String, DiskUsage> mostAvailableUsage = ImmutableOpenMap.builder();
    final int freeBytes = randomIntBetween(20, 100);
    mostAvailableUsage.put("node_0", new DiskUsage("node_0", "node_0", "_na_", 100, freeBytes));
    ImmutableOpenMap.Builder<String, Long> shardSizes = ImmutableOpenMap.builder();
    // way bigger than available space
    final long shardSize = randomIntBetween(110, 1000);
    shardSizes.put("[test][0][p]", shardSize);
    ClusterInfo clusterInfo = new ClusterInfo(leastAvailableUsages.build(), mostAvailableUsage.build(), shardSizes.build(), ImmutableOpenMap.of(), ImmutableOpenMap.of());
    RoutingAllocation allocation = new RoutingAllocation(new AllocationDeciders(Collections.singleton(decider)), clusterState.getRoutingNodes(), clusterState, clusterInfo, null, System.nanoTime());
    allocation.debugDecision(true);
    Decision decision = decider.canAllocate(test_0, new RoutingNode("node_0", node_0), allocation);
    assertEquals(Decision.Type.NO, decision.type());
    assertThat(decision.getExplanation(), containsString("allocating the shard to this node will bring the node above the high watermark cluster setting " + "[cluster.routing.allocation.disk.watermark.high=90%] " + "and cause it to have less than the minimum required [0b] of free space " + "(free: [" + freeBytes + "b], estimated shard size: [" + shardSize + "b])"));
}
Also used : ClusterState(org.opensearch.cluster.ClusterState) DiscoveryNode(org.opensearch.cluster.node.DiscoveryNode) ClusterSettings(org.opensearch.common.settings.ClusterSettings) UnassignedInfo(org.opensearch.cluster.routing.UnassignedInfo) Metadata(org.opensearch.cluster.metadata.Metadata) IndexMetadata(org.opensearch.cluster.metadata.IndexMetadata) Index(org.opensearch.index.Index) Matchers.containsString(org.hamcrest.Matchers.containsString) DiskUsage(org.opensearch.cluster.DiskUsage) ImmutableOpenMap(org.opensearch.common.collect.ImmutableOpenMap) ShardId(org.opensearch.index.shard.ShardId) ClusterInfo(org.opensearch.cluster.ClusterInfo) RoutingTable(org.opensearch.cluster.routing.RoutingTable) RoutingNode(org.opensearch.cluster.routing.RoutingNode) ShardRouting(org.opensearch.cluster.routing.ShardRouting) RoutingAllocation(org.opensearch.cluster.routing.allocation.RoutingAllocation)

Example 28 with ClusterInfo

use of org.opensearch.cluster.ClusterInfo in project OpenSearch by opensearch-project.

the class DiskThresholdDeciderUnitTests method testCanRemainUsesLeastAvailableSpace.

public void testCanRemainUsesLeastAvailableSpace() {
    ClusterSettings nss = new ClusterSettings(Settings.EMPTY, ClusterSettings.BUILT_IN_CLUSTER_SETTINGS);
    DiskThresholdDecider decider = new DiskThresholdDecider(Settings.EMPTY, nss);
    ImmutableOpenMap.Builder<ShardRouting, String> shardRoutingMap = ImmutableOpenMap.builder();
    DiscoveryNode node_0 = new DiscoveryNode("node_0", buildNewFakeTransportAddress(), Collections.emptyMap(), new HashSet<>(DiscoveryNodeRole.BUILT_IN_ROLES), Version.CURRENT);
    DiscoveryNode node_1 = new DiscoveryNode("node_1", buildNewFakeTransportAddress(), Collections.emptyMap(), new HashSet<>(DiscoveryNodeRole.BUILT_IN_ROLES), Version.CURRENT);
    Metadata metadata = Metadata.builder().put(IndexMetadata.builder("test").settings(settings(Version.CURRENT)).numberOfShards(1).numberOfReplicas(1)).build();
    final IndexMetadata indexMetadata = metadata.index("test");
    ShardRouting test_0 = ShardRouting.newUnassigned(new ShardId(indexMetadata.getIndex(), 0), true, EmptyStoreRecoverySource.INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
    test_0 = ShardRoutingHelper.initialize(test_0, node_0.getId());
    test_0 = ShardRoutingHelper.moveToStarted(test_0);
    shardRoutingMap.put(test_0, "/node0/least");
    ShardRouting test_1 = ShardRouting.newUnassigned(new ShardId(indexMetadata.getIndex(), 1), true, EmptyStoreRecoverySource.INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
    test_1 = ShardRoutingHelper.initialize(test_1, node_1.getId());
    test_1 = ShardRoutingHelper.moveToStarted(test_1);
    shardRoutingMap.put(test_1, "/node1/least");
    ShardRouting test_2 = ShardRouting.newUnassigned(new ShardId(indexMetadata.getIndex(), 2), true, EmptyStoreRecoverySource.INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
    test_2 = ShardRoutingHelper.initialize(test_2, node_1.getId());
    test_2 = ShardRoutingHelper.moveToStarted(test_2);
    shardRoutingMap.put(test_2, "/node1/most");
    ShardRouting test_3 = ShardRouting.newUnassigned(new ShardId(indexMetadata.getIndex(), 3), true, EmptyStoreRecoverySource.INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
    test_3 = ShardRoutingHelper.initialize(test_3, node_1.getId());
    test_3 = ShardRoutingHelper.moveToStarted(test_3);
    // Intentionally not in the shardRoutingMap. We want to test what happens when we don't know where it is.
    RoutingTable routingTable = RoutingTable.builder().addAsNew(indexMetadata).build();
    ClusterState clusterState = ClusterState.builder(org.opensearch.cluster.ClusterName.CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY)).metadata(metadata).routingTable(routingTable).build();
    logger.info("--> adding two nodes");
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().add(node_0).add(node_1)).build();
    // actual test -- after all that bloat :)
    ImmutableOpenMap.Builder<String, DiskUsage> leastAvailableUsages = ImmutableOpenMap.builder();
    // 90% used
    leastAvailableUsages.put("node_0", new DiskUsage("node_0", "node_0", "/node0/least", 100, 10));
    // 91% used
    leastAvailableUsages.put("node_1", new DiskUsage("node_1", "node_1", "/node1/least", 100, 9));
    ImmutableOpenMap.Builder<String, DiskUsage> mostAvailableUsage = ImmutableOpenMap.builder();
    // 10% used
    mostAvailableUsage.put("node_0", new DiskUsage("node_0", "node_0", "/node0/most", 100, 90));
    // 10% used
    mostAvailableUsage.put("node_1", new DiskUsage("node_1", "node_1", "/node1/most", 100, 90));
    ImmutableOpenMap.Builder<String, Long> shardSizes = ImmutableOpenMap.builder();
    // 10 bytes
    shardSizes.put("[test][0][p]", 10L);
    shardSizes.put("[test][1][p]", 10L);
    shardSizes.put("[test][2][p]", 10L);
    final ClusterInfo clusterInfo = new ClusterInfo(leastAvailableUsages.build(), mostAvailableUsage.build(), shardSizes.build(), shardRoutingMap.build(), ImmutableOpenMap.of());
    RoutingAllocation allocation = new RoutingAllocation(new AllocationDeciders(Collections.singleton(decider)), clusterState.getRoutingNodes(), clusterState, clusterInfo, null, System.nanoTime());
    allocation.debugDecision(true);
    Decision decision = decider.canRemain(test_0, new RoutingNode("node_0", node_0), allocation);
    assertEquals(Decision.Type.YES, decision.type());
    assertThat(((Decision.Single) decision).getExplanation(), containsString("there is enough disk on this node for the shard to remain, free: [10b]"));
    decision = decider.canRemain(test_1, new RoutingNode("node_1", node_1), allocation);
    assertEquals(Decision.Type.NO, decision.type());
    assertThat(((Decision.Single) decision).getExplanation(), containsString("the shard cannot remain on this node because it is " + "above the high watermark cluster setting [cluster.routing.allocation.disk.watermark.high=90%] and there is less than " + "the required [10.0%] free disk on node, actual free: [9.0%]"));
    try {
        decider.canRemain(test_0, new RoutingNode("node_1", node_1), allocation);
        fail("not allocated on this node");
    } catch (IllegalArgumentException ex) {
    // not allocated on that node
    }
    try {
        decider.canRemain(test_1, new RoutingNode("node_0", node_0), allocation);
        fail("not allocated on this node");
    } catch (IllegalArgumentException ex) {
    // not allocated on that node
    }
    decision = decider.canRemain(test_2, new RoutingNode("node_1", node_1), allocation);
    assertEquals("can stay since allocated on a different path with enough space", Decision.Type.YES, decision.type());
    assertThat(((Decision.Single) decision).getExplanation(), containsString("this shard is not allocated on the most utilized disk and can remain"));
    decision = decider.canRemain(test_2, new RoutingNode("node_1", node_1), allocation);
    assertEquals("can stay since we don't have information about this shard", Decision.Type.YES, decision.type());
    assertThat(((Decision.Single) decision).getExplanation(), containsString("this shard is not allocated on the most utilized disk and can remain"));
}
Also used : ClusterState(org.opensearch.cluster.ClusterState) DiscoveryNode(org.opensearch.cluster.node.DiscoveryNode) ClusterSettings(org.opensearch.common.settings.ClusterSettings) UnassignedInfo(org.opensearch.cluster.routing.UnassignedInfo) Metadata(org.opensearch.cluster.metadata.Metadata) IndexMetadata(org.opensearch.cluster.metadata.IndexMetadata) Matchers.containsString(org.hamcrest.Matchers.containsString) DiskUsage(org.opensearch.cluster.DiskUsage) ImmutableOpenMap(org.opensearch.common.collect.ImmutableOpenMap) ShardId(org.opensearch.index.shard.ShardId) ClusterInfo(org.opensearch.cluster.ClusterInfo) RoutingTable(org.opensearch.cluster.routing.RoutingTable) RoutingNode(org.opensearch.cluster.routing.RoutingNode) ShardRouting(org.opensearch.cluster.routing.ShardRouting) IndexMetadata(org.opensearch.cluster.metadata.IndexMetadata) RoutingAllocation(org.opensearch.cluster.routing.allocation.RoutingAllocation)

Example 29 with ClusterInfo

use of org.opensearch.cluster.ClusterInfo in project OpenSearch by opensearch-project.

the class DiskThresholdDeciderUnitTests method testShardSizeAndRelocatingSize.

public void testShardSizeAndRelocatingSize() {
    ImmutableOpenMap.Builder<String, Long> shardSizes = ImmutableOpenMap.builder();
    shardSizes.put("[test][0][r]", 10L);
    shardSizes.put("[test][1][r]", 100L);
    shardSizes.put("[test][2][r]", 1000L);
    shardSizes.put("[other][0][p]", 10000L);
    ClusterInfo info = new DiskThresholdDeciderTests.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(3).numberOfReplicas(1));
    metaBuilder.put(IndexMetadata.builder("other").settings(settings(Version.CURRENT).put("index.uuid", "5678")).numberOfShards(1).numberOfReplicas(1));
    Metadata metadata = metaBuilder.build();
    RoutingTable.Builder routingTableBuilder = RoutingTable.builder();
    routingTableBuilder.addAsNew(metadata.index("test"));
    routingTableBuilder.addAsNew(metadata.index("other"));
    ClusterState clusterState = ClusterState.builder(org.opensearch.cluster.ClusterName.CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY)).metadata(metadata).routingTable(routingTableBuilder.build()).build();
    RoutingAllocation allocation = new RoutingAllocation(null, null, clusterState, info, null, 0);
    final Index index = new Index("test", "1234");
    ShardRouting test_0 = ShardRouting.newUnassigned(new ShardId(index, 0), false, PeerRecoverySource.INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
    test_0 = ShardRoutingHelper.initialize(test_0, "node1");
    test_0 = ShardRoutingHelper.moveToStarted(test_0);
    test_0 = ShardRoutingHelper.relocate(test_0, "node2");
    ShardRouting test_1 = ShardRouting.newUnassigned(new ShardId(index, 1), false, PeerRecoverySource.INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
    test_1 = ShardRoutingHelper.initialize(test_1, "node2");
    test_1 = ShardRoutingHelper.moveToStarted(test_1);
    test_1 = ShardRoutingHelper.relocate(test_1, "node1");
    ShardRouting test_2 = ShardRouting.newUnassigned(new ShardId(index, 2), false, PeerRecoverySource.INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
    test_2 = ShardRoutingHelper.initialize(test_2, "node1");
    test_2 = ShardRoutingHelper.moveToStarted(test_2);
    assertEquals(1000L, getExpectedShardSize(test_2, 0L, allocation));
    assertEquals(100L, getExpectedShardSize(test_1, 0L, allocation));
    assertEquals(10L, getExpectedShardSize(test_0, 0L, allocation));
    RoutingNode node = new RoutingNode("node1", new DiscoveryNode("node1", buildNewFakeTransportAddress(), emptyMap(), emptySet(), Version.CURRENT), test_0, test_1.getTargetRelocatingShard(), test_2);
    assertEquals(100L, sizeOfRelocatingShards(allocation, node, false, "/dev/null"));
    assertEquals(90L, sizeOfRelocatingShards(allocation, node, true, "/dev/null"));
    assertEquals(0L, sizeOfRelocatingShards(allocation, node, true, "/dev/some/other/dev"));
    assertEquals(0L, sizeOfRelocatingShards(allocation, node, true, "/dev/some/other/dev"));
    ShardRouting test_3 = ShardRouting.newUnassigned(new ShardId(index, 3), false, PeerRecoverySource.INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
    test_3 = ShardRoutingHelper.initialize(test_3, "node1");
    test_3 = ShardRoutingHelper.moveToStarted(test_3);
    assertEquals(0L, getExpectedShardSize(test_3, 0L, allocation));
    ShardRouting other_0 = ShardRouting.newUnassigned(new ShardId("other", "5678", 0), randomBoolean(), PeerRecoverySource.INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
    other_0 = ShardRoutingHelper.initialize(other_0, "node2");
    other_0 = ShardRoutingHelper.moveToStarted(other_0);
    other_0 = ShardRoutingHelper.relocate(other_0, "node1");
    node = new RoutingNode("node1", new DiscoveryNode("node1", buildNewFakeTransportAddress(), emptyMap(), emptySet(), Version.CURRENT), test_0, test_1.getTargetRelocatingShard(), test_2, other_0.getTargetRelocatingShard());
    if (other_0.primary()) {
        assertEquals(10100L, sizeOfRelocatingShards(allocation, node, false, "/dev/null"));
        assertEquals(10090L, sizeOfRelocatingShards(allocation, node, true, "/dev/null"));
    } else {
        assertEquals(100L, sizeOfRelocatingShards(allocation, node, false, "/dev/null"));
        assertEquals(90L, sizeOfRelocatingShards(allocation, node, true, "/dev/null"));
    }
}
Also used : ClusterState(org.opensearch.cluster.ClusterState) DiscoveryNode(org.opensearch.cluster.node.DiscoveryNode) UnassignedInfo(org.opensearch.cluster.routing.UnassignedInfo) Metadata(org.opensearch.cluster.metadata.Metadata) IndexMetadata(org.opensearch.cluster.metadata.IndexMetadata) Index(org.opensearch.index.Index) Matchers.containsString(org.hamcrest.Matchers.containsString) ImmutableOpenMap(org.opensearch.common.collect.ImmutableOpenMap) ShardId(org.opensearch.index.shard.ShardId) ClusterInfo(org.opensearch.cluster.ClusterInfo) RoutingTable(org.opensearch.cluster.routing.RoutingTable) RoutingNode(org.opensearch.cluster.routing.RoutingNode) RoutingAllocation(org.opensearch.cluster.routing.allocation.RoutingAllocation) ShardRouting(org.opensearch.cluster.routing.ShardRouting)

Example 30 with ClusterInfo

use of org.opensearch.cluster.ClusterInfo in project OpenSearch by opensearch-project.

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 DiskThresholdDeciderTests.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(IndexMetadata.INDEX_RESIZE_SOURCE_NAME_KEY, "test").put(IndexMetadata.INDEX_RESIZE_SOURCE_UUID_KEY, "1234")).numberOfShards(1).numberOfReplicas(0));
    metaBuilder.put(IndexMetadata.builder("target2").settings(settings(Version.CURRENT).put("index.uuid", "9101112").put(IndexMetadata.INDEX_RESIZE_SOURCE_NAME_KEY, "test").put(IndexMetadata.INDEX_RESIZE_SOURCE_UUID_KEY, "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.opensearch.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 = startShardsAndReroute(allocationService, clusterState, clusterState.getRoutingTable().index("test").shardsWithState(ShardRoutingState.UNASSIGNED));
    RoutingAllocation allocation = new RoutingAllocation(null, clusterState.getRoutingNodes(), clusterState, info, null, 0);
    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, getExpectedShardSize(test_3, 0L, allocation));
    assertEquals(500L, getExpectedShardSize(test_2, 0L, allocation));
    assertEquals(100L, getExpectedShardSize(test_1, 0L, allocation));
    assertEquals(10L, getExpectedShardSize(test_0, 0L, allocation));
    ShardRouting target = ShardRouting.newUnassigned(new ShardId(new Index("target", "5678"), 0), true, LocalShardsRecoverySource.INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
    assertEquals(1110L, getExpectedShardSize(target, 0L, allocation));
    ShardRouting target2 = ShardRouting.newUnassigned(new ShardId(new Index("target2", "9101112"), 0), true, LocalShardsRecoverySource.INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
    assertEquals(110L, getExpectedShardSize(target2, 0L, allocation));
    target2 = ShardRouting.newUnassigned(new ShardId(new Index("target2", "9101112"), 1), true, LocalShardsRecoverySource.INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
    assertEquals(1000L, getExpectedShardSize(target2, 0L, allocation));
    // check that the DiskThresholdDecider still works even if the source index has been deleted
    ClusterState clusterStateWithMissingSourceIndex = ClusterState.builder(clusterState).metadata(Metadata.builder(metadata).remove("test")).routingTable(RoutingTable.builder(clusterState.routingTable()).remove("test").build()).build();
    allocationService.reroute(clusterState, "foo");
    RoutingAllocation allocationWithMissingSourceIndex = new RoutingAllocation(null, clusterStateWithMissingSourceIndex.getRoutingNodes(), clusterStateWithMissingSourceIndex, info, null, 0);
    assertEquals(42L, getExpectedShardSize(target, 42L, allocationWithMissingSourceIndex));
    assertEquals(42L, getExpectedShardSize(target2, 42L, allocationWithMissingSourceIndex));
}
Also used : ClusterState(org.opensearch.cluster.ClusterState) UnassignedInfo(org.opensearch.cluster.routing.UnassignedInfo) Metadata(org.opensearch.cluster.metadata.Metadata) IndexMetadata(org.opensearch.cluster.metadata.IndexMetadata) Index(org.opensearch.index.Index) Matchers.containsString(org.hamcrest.Matchers.containsString) ImmutableOpenMap(org.opensearch.common.collect.ImmutableOpenMap) ShardId(org.opensearch.index.shard.ShardId) ClusterInfo(org.opensearch.cluster.ClusterInfo) RoutingTable(org.opensearch.cluster.routing.RoutingTable) RoutingAllocation(org.opensearch.cluster.routing.allocation.RoutingAllocation) ShardRouting(org.opensearch.cluster.routing.ShardRouting) AllocationService(org.opensearch.cluster.routing.allocation.AllocationService)

Aggregations

ClusterInfo (org.opensearch.cluster.ClusterInfo)35 ClusterState (org.opensearch.cluster.ClusterState)21 DiskUsage (org.opensearch.cluster.DiskUsage)19 IndexMetadata (org.opensearch.cluster.metadata.IndexMetadata)19 ImmutableOpenMap (org.opensearch.common.collect.ImmutableOpenMap)19 ShardId (org.opensearch.index.shard.ShardId)19 Matchers.containsString (org.hamcrest.Matchers.containsString)18 Metadata (org.opensearch.cluster.metadata.Metadata)18 RoutingTable (org.opensearch.cluster.routing.RoutingTable)18 DiscoveryNode (org.opensearch.cluster.node.DiscoveryNode)16 ShardRouting (org.opensearch.cluster.routing.ShardRouting)16 ClusterSettings (org.opensearch.common.settings.ClusterSettings)16 UnassignedInfo (org.opensearch.cluster.routing.UnassignedInfo)14 Settings (org.opensearch.common.settings.Settings)13 RoutingNode (org.opensearch.cluster.routing.RoutingNode)11 ShardRoutingState (org.opensearch.cluster.routing.ShardRoutingState)11 ClusterInfoService (org.opensearch.cluster.ClusterInfoService)9 AllocateUnassignedDecision (org.opensearch.cluster.routing.allocation.AllocateUnassignedDecision)9 AllocationService (org.opensearch.cluster.routing.allocation.AllocationService)9 MoveDecision (org.opensearch.cluster.routing.allocation.MoveDecision)9