Examples with RerouteService org.opensearch.cluster.routing.RerouteService used on opensource projects

Example 1 with RerouteService

use of org.opensearch.cluster.routing.RerouteService in project OpenSearch by opensearch-project.

the class JoinTaskExecutorTests method testUpdatesNodeWithNewRoles.

public void testUpdatesNodeWithNewRoles() throws Exception {
    // Node roles vary by version, and new roles are suppressed for BWC. This means we can receive a join from a node that's already
    // in the cluster but with a different set of roles: the node didn't change roles, but the cluster state came via an older master.
    // In this case we must properly process its join to ensure that the roles are correct.
    final AllocationService allocationService = mock(AllocationService.class);
    when(allocationService.adaptAutoExpandReplicas(any())).then(invocationOnMock -> invocationOnMock.getArguments()[0]);
    final RerouteService rerouteService = (reason, priority, listener) -> listener.onResponse(null);
    final JoinTaskExecutor joinTaskExecutor = new JoinTaskExecutor(Settings.EMPTY, allocationService, logger, rerouteService, null);
    final DiscoveryNode masterNode = new DiscoveryNode(UUIDs.base64UUID(), buildNewFakeTransportAddress(), Version.CURRENT);
    final DiscoveryNode actualNode = new DiscoveryNode(UUIDs.base64UUID(), buildNewFakeTransportAddress(), Version.CURRENT);
    final DiscoveryNode bwcNode = new DiscoveryNode(actualNode.getName(), actualNode.getId(), actualNode.getEphemeralId(), actualNode.getHostName(), actualNode.getHostAddress(), actualNode.getAddress(), actualNode.getAttributes(), new HashSet<>(randomSubsetOf(actualNode.getRoles())), actualNode.getVersion());
    final ClusterState clusterState = ClusterState.builder(ClusterName.DEFAULT).nodes(DiscoveryNodes.builder().add(masterNode).localNodeId(masterNode.getId()).masterNodeId(masterNode.getId()).add(bwcNode)).build();
    final ClusterStateTaskExecutor.ClusterTasksResult<JoinTaskExecutor.Task> result = joinTaskExecutor.execute(clusterState, List.of(new JoinTaskExecutor.Task(actualNode, "test")));
    assertThat(result.executionResults.entrySet(), hasSize(1));
    final ClusterStateTaskExecutor.TaskResult taskResult = result.executionResults.values().iterator().next();
    assertTrue(taskResult.isSuccess());
    assertThat(result.resultingState.getNodes().get(actualNode.getId()).getRoles(), equalTo(actualNode.getRoles()));
}

Example 2 with RerouteService

use of org.opensearch.cluster.routing.RerouteService in project OpenSearch by opensearch-project.

the class JoinTaskExecutorTests method testUpdatesNodeWithOpenSearchVersionForExistingAndNewNodes.

public void testUpdatesNodeWithOpenSearchVersionForExistingAndNewNodes() throws Exception {
    // During the upgrade from Elasticsearch, OpenSearch node send their version as 7.10.2 to Elasticsearch master
    // in order to successfully join the cluster. But as soon as OpenSearch node becomes the master, cluster state
    // should show the OpenSearch nodes version as 1.x. As the cluster state was carry forwarded from ES master,
    // version in DiscoveryNode is stale 7.10.2.
    final AllocationService allocationService = mock(AllocationService.class);
    when(allocationService.adaptAutoExpandReplicas(any())).then(invocationOnMock -> invocationOnMock.getArguments()[0]);
    when(allocationService.disassociateDeadNodes(any(), anyBoolean(), any())).then(invocationOnMock -> invocationOnMock.getArguments()[0]);
    final RerouteService rerouteService = (reason, priority, listener) -> listener.onResponse(null);
    Map<String, Version> channelVersions = new HashMap<>();
    // OpenSearch node running BWC version
    String node_1 = UUIDs.base64UUID();
    // OpenSearch node running BWC version
    String node_2 = UUIDs.base64UUID();
    // OpenSearch node running BWC version, sending new join request and no active channel
    String node_3 = UUIDs.base64UUID();
    // ES node 7.10.2
    String node_4 = UUIDs.base64UUID();
    // ES node 7.10.2 in cluster but missing channel version
    String node_5 = UUIDs.base64UUID();
    // ES node 7.9.0
    String node_6 = UUIDs.base64UUID();
    // ES node 7.9.0 in cluster but missing channel version
    String node_7 = UUIDs.base64UUID();
    channelVersions.put(node_1, Version.CURRENT);
    channelVersions.put(node_2, Version.CURRENT);
    channelVersions.put(node_4, LegacyESVersion.V_7_10_2);
    channelVersions.put(node_6, LegacyESVersion.V_7_10_0);
    final TransportService transportService = mock(TransportService.class);
    when(transportService.getChannelVersion(any())).thenReturn(channelVersions);
    DiscoveryNodes.Builder nodes = new DiscoveryNodes.Builder().localNodeId(node_1);
    nodes.add(new DiscoveryNode(node_1, buildNewFakeTransportAddress(), LegacyESVersion.V_7_10_2));
    nodes.add(new DiscoveryNode(node_2, buildNewFakeTransportAddress(), LegacyESVersion.V_7_10_2));
    nodes.add(new DiscoveryNode(node_3, buildNewFakeTransportAddress(), LegacyESVersion.V_7_10_2));
    nodes.add(new DiscoveryNode(node_4, buildNewFakeTransportAddress(), LegacyESVersion.V_7_10_2));
    nodes.add(new DiscoveryNode(node_5, buildNewFakeTransportAddress(), LegacyESVersion.V_7_10_2));
    nodes.add(new DiscoveryNode(node_6, buildNewFakeTransportAddress(), LegacyESVersion.V_7_10_1));
    nodes.add(new DiscoveryNode(node_7, buildNewFakeTransportAddress(), LegacyESVersion.V_7_10_0));
    final ClusterState clusterState = ClusterState.builder(ClusterName.DEFAULT).nodes(nodes).build();
    final JoinTaskExecutor joinTaskExecutor = new JoinTaskExecutor(Settings.EMPTY, allocationService, logger, rerouteService, transportService);
    final DiscoveryNode existing_node_3 = clusterState.nodes().get(node_3);
    final DiscoveryNode node_3_new_join = new DiscoveryNode(existing_node_3.getName(), existing_node_3.getId(), existing_node_3.getEphemeralId(), existing_node_3.getHostName(), existing_node_3.getHostAddress(), existing_node_3.getAddress(), existing_node_3.getAttributes(), existing_node_3.getRoles(), Version.CURRENT);
    final ClusterStateTaskExecutor.ClusterTasksResult<JoinTaskExecutor.Task> result = joinTaskExecutor.execute(clusterState, List.of(new JoinTaskExecutor.Task(node_3_new_join, "test"), JoinTaskExecutor.newBecomeMasterTask(), JoinTaskExecutor.newFinishElectionTask()));
    final ClusterStateTaskExecutor.TaskResult taskResult = result.executionResults.values().iterator().next();
    assertTrue(taskResult.isSuccess());
    DiscoveryNodes resultNodes = result.resultingState.getNodes();
    assertEquals(Version.CURRENT, resultNodes.get(node_1).getVersion());
    assertEquals(Version.CURRENT, resultNodes.get(node_2).getVersion());
    // 7.10.2 in old state but sent new join and processed
    assertEquals(Version.CURRENT, resultNodes.get(node_3).getVersion());
    assertEquals(LegacyESVersion.V_7_10_2, resultNodes.get(node_4).getVersion());
    // 7.10.2 node without active channel will be removed and should rejoin
    assertFalse(resultNodes.nodeExists(node_5));
    assertEquals(LegacyESVersion.V_7_10_0, resultNodes.get(node_6).getVersion());
    // 7.9.0 node without active channel but shouldn't get removed
    assertEquals(LegacyESVersion.V_7_10_0, resultNodes.get(node_7).getVersion());
}

Example 3 with RerouteService

use of org.opensearch.cluster.routing.RerouteService in project OpenSearch by opensearch-project.

the class InternalSnapshotsInfoServiceTests method testSnapshotShardSizes.

public void testSnapshotShardSizes() throws Exception {
    final int maxConcurrentFetches = randomIntBetween(1, 10);
    final int numberOfShards = randomIntBetween(1, 50);
    final CountDownLatch rerouteLatch = new CountDownLatch(numberOfShards);
    final RerouteService rerouteService = (reason, priority, listener) -> {
        listener.onResponse(clusterService.state());
        assertThat(rerouteLatch.getCount(), greaterThanOrEqualTo(0L));
        rerouteLatch.countDown();
    };
    final InternalSnapshotsInfoService snapshotsInfoService = new InternalSnapshotsInfoService(Settings.builder().put(INTERNAL_SNAPSHOT_INFO_MAX_CONCURRENT_FETCHES_SETTING.getKey(), maxConcurrentFetches).build(), clusterService, () -> repositoriesService, () -> rerouteService);
    final String indexName = randomAlphaOfLength(10).toLowerCase(Locale.ROOT);
    final long[] expectedShardSizes = new long[numberOfShards];
    for (int i = 0; i < expectedShardSizes.length; i++) {
        expectedShardSizes[i] = randomNonNegativeLong();
    }
    final AtomicInteger getShardSnapshotStatusCount = new AtomicInteger(0);
    final CountDownLatch latch = new CountDownLatch(1);
    final Repository mockRepository = new FilterRepository(mock(Repository.class)) {

        @Override
        public IndexShardSnapshotStatus getShardSnapshotStatus(SnapshotId snapshotId, IndexId indexId, ShardId shardId) {
            try {
                assertThat(indexId.getName(), equalTo(indexName));
                assertThat(shardId.id(), allOf(greaterThanOrEqualTo(0), lessThan(numberOfShards)));
                latch.await();
                getShardSnapshotStatusCount.incrementAndGet();
                return IndexShardSnapshotStatus.newDone(0L, 0L, 0, 0, 0L, expectedShardSizes[shardId.id()], null);
            } catch (InterruptedException e) {
                throw new AssertionError(e);
            }
        }
    };
    when(repositoriesService.repository("_repo")).thenReturn(mockRepository);
    applyClusterState("add-unassigned-shards", clusterState -> addUnassignedShards(clusterState, indexName, numberOfShards));
    waitForMaxActiveGenericThreads(Math.min(numberOfShards, maxConcurrentFetches));
    if (randomBoolean()) {
        applyClusterState("reapply-last-cluster-state-to-check-deduplication-works", state -> ClusterState.builder(state).incrementVersion().build());
    }
    assertThat(snapshotsInfoService.numberOfUnknownSnapshotShardSizes(), equalTo(numberOfShards));
    assertThat(snapshotsInfoService.numberOfKnownSnapshotShardSizes(), equalTo(0));
    latch.countDown();
    assertTrue(rerouteLatch.await(30L, TimeUnit.SECONDS));
    assertThat(snapshotsInfoService.numberOfKnownSnapshotShardSizes(), equalTo(numberOfShards));
    assertThat(snapshotsInfoService.numberOfUnknownSnapshotShardSizes(), equalTo(0));
    assertThat(snapshotsInfoService.numberOfFailedSnapshotShardSizes(), equalTo(0));
    assertThat(getShardSnapshotStatusCount.get(), equalTo(numberOfShards));
    final SnapshotShardSizeInfo snapshotShardSizeInfo = snapshotsInfoService.snapshotShardSizes();
    for (int i = 0; i < numberOfShards; i++) {
        final ShardRouting shardRouting = clusterService.state().routingTable().index(indexName).shard(i).primaryShard();
        assertThat(snapshotShardSizeInfo.getShardSize(shardRouting), equalTo(expectedShardSizes[i]));
        assertThat(snapshotShardSizeInfo.getShardSize(shardRouting, Long.MIN_VALUE), equalTo(expectedShardSizes[i]));
    }
}

Example 4 with RerouteService

use of org.opensearch.cluster.routing.RerouteService in project OpenSearch by opensearch-project.

the class InternalSnapshotsInfoServiceTests method testErroneousSnapshotShardSizes.

public void testErroneousSnapshotShardSizes() throws Exception {
    final AtomicInteger reroutes = new AtomicInteger();
    final RerouteService rerouteService = (reason, priority, listener) -> {
        reroutes.incrementAndGet();
        listener.onResponse(clusterService.state());
    };
    final InternalSnapshotsInfoService snapshotsInfoService = new InternalSnapshotsInfoService(Settings.builder().put(INTERNAL_SNAPSHOT_INFO_MAX_CONCURRENT_FETCHES_SETTING.getKey(), randomIntBetween(1, 10)).build(), clusterService, () -> repositoriesService, () -> rerouteService);
    final Map<InternalSnapshotsInfoService.SnapshotShard, Long> results = new ConcurrentHashMap<>();
    final Repository mockRepository = new FilterRepository(mock(Repository.class)) {

        @Override
        public IndexShardSnapshotStatus getShardSnapshotStatus(SnapshotId snapshotId, IndexId indexId, ShardId shardId) {
            final InternalSnapshotsInfoService.SnapshotShard snapshotShard = new InternalSnapshotsInfoService.SnapshotShard(new Snapshot("_repo", snapshotId), indexId, shardId);
            if (randomBoolean()) {
                results.put(snapshotShard, Long.MIN_VALUE);
                throw new SnapshotException(snapshotShard.snapshot(), "simulated");
            } else {
                final long shardSize = randomNonNegativeLong();
                results.put(snapshotShard, shardSize);
                return IndexShardSnapshotStatus.newDone(0L, 0L, 0, 0, 0L, shardSize, null);
            }
        }
    };
    when(repositoriesService.repository("_repo")).thenReturn(mockRepository);
    final int maxShardsToCreate = scaledRandomIntBetween(10, 500);
    final Thread addSnapshotRestoreIndicesThread = new Thread(() -> {
        int remainingShards = maxShardsToCreate;
        while (remainingShards > 0) {
            final String indexName = randomAlphaOfLength(10).toLowerCase(Locale.ROOT);
            final int numberOfShards = randomIntBetween(1, remainingShards);
            try {
                applyClusterState("add-more-unassigned-shards-for-" + indexName, clusterState -> addUnassignedShards(clusterState, indexName, numberOfShards));
            } catch (Exception e) {
                throw new AssertionError(e);
            } finally {
                remainingShards -= numberOfShards;
            }
        }
    });
    addSnapshotRestoreIndicesThread.start();
    addSnapshotRestoreIndicesThread.join();
    final Predicate<Long> failedSnapshotShardSizeRetrieval = shardSize -> shardSize == Long.MIN_VALUE;
    assertBusy(() -> {
        assertThat(snapshotsInfoService.numberOfKnownSnapshotShardSizes(), equalTo((int) results.values().stream().filter(size -> failedSnapshotShardSizeRetrieval.test(size) == false).count()));
        assertThat(snapshotsInfoService.numberOfFailedSnapshotShardSizes(), equalTo((int) results.values().stream().filter(failedSnapshotShardSizeRetrieval).count()));
        assertThat(snapshotsInfoService.numberOfUnknownSnapshotShardSizes(), equalTo(0));
    });
    final SnapshotShardSizeInfo snapshotShardSizeInfo = snapshotsInfoService.snapshotShardSizes();
    for (Map.Entry<InternalSnapshotsInfoService.SnapshotShard, Long> snapshotShard : results.entrySet()) {
        final ShardId shardId = snapshotShard.getKey().shardId();
        final ShardRouting shardRouting = clusterService.state().routingTable().index(shardId.getIndexName()).shard(shardId.id()).primaryShard();
        assertThat(shardRouting, notNullValue());
        final boolean success = failedSnapshotShardSizeRetrieval.test(snapshotShard.getValue()) == false;
        assertThat(snapshotShardSizeInfo.getShardSize(shardRouting), success ? equalTo(results.get(snapshotShard.getKey())) : equalTo(ShardRouting.UNAVAILABLE_EXPECTED_SHARD_SIZE));
        final long defaultValue = randomNonNegativeLong();
        assertThat(snapshotShardSizeInfo.getShardSize(shardRouting, defaultValue), success ? equalTo(results.get(snapshotShard.getKey())) : equalTo(defaultValue));
    }
    assertThat("Expecting all snapshot shard size fetches to provide a size", results.size(), equalTo(maxShardsToCreate));
    assertThat("Expecting all snapshot shard size fetches to execute a Reroute", reroutes.get(), equalTo(maxShardsToCreate));
}