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

Example 1 with GroupShardsIterator

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

the class SearchStatsIT method numAssignedShards.

protected int numAssignedShards(String... indices) {
    ClusterState state = client().admin().cluster().prepareState().get().getState();
    GroupShardsIterator allAssignedShardsGrouped = state.routingTable().allAssignedShardsGrouped(indices, true);
    return allAssignedShardsGrouped.size();
}

Example 2 with GroupShardsIterator

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

the class CorruptedFileIT method numShards.

private int numShards(String... index) {
    ClusterState state = client().admin().cluster().prepareState().get().getState();
    GroupShardsIterator shardIterators = state.getRoutingTable().activePrimaryShardsGrouped(index, false);
    return shardIterators.size();
}

Example 3 with GroupShardsIterator

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

the class CorruptedFileIT method corruptRandomPrimaryFile.

private ShardRouting corruptRandomPrimaryFile(final boolean includePerCommitFiles) throws IOException {
    ClusterState state = client().admin().cluster().prepareState().get().getState();
    Index test = state.metadata().index("test").getIndex();
    GroupShardsIterator shardIterators = state.getRoutingTable().activePrimaryShardsGrouped(new String[] { "test" }, false);
    List<ShardIterator> iterators = iterableAsArrayList(shardIterators);
    ShardIterator shardIterator = RandomPicks.randomFrom(random(), iterators);
    ShardRouting shardRouting = shardIterator.nextOrNull();
    assertNotNull(shardRouting);
    assertTrue(shardRouting.primary());
    assertTrue(shardRouting.assignedToNode());
    String nodeId = shardRouting.currentNodeId();
    NodesStatsResponse nodeStatses = client().admin().cluster().prepareNodesStats(nodeId).addMetric(FS.metricName()).get();
    // treeset makes sure iteration order is deterministic
    Set<Path> files = new TreeSet<>();
    for (FsInfo.Path info : nodeStatses.getNodes().get(0).getFs()) {
        String path = info.getPath();
        Path file = PathUtils.get(path).resolve("indices").resolve(test.getUUID()).resolve(Integer.toString(shardRouting.getId())).resolve("index");
        if (Files.exists(file)) {
            // multi data path might only have one path in use
            try (Directory dir = FSDirectory.open(file)) {
                SegmentInfos segmentCommitInfos = Lucene.readSegmentInfos(dir);
                if (includePerCommitFiles) {
                    files.add(file.resolve(segmentCommitInfos.getSegmentsFileName()));
                }
                for (SegmentCommitInfo commitInfo : segmentCommitInfos) {
                    if (commitInfo.getDelCount() + commitInfo.getSoftDelCount() == commitInfo.info.maxDoc()) {
                        // don't corrupt fully deleted segments - they might be removed on snapshot
                        continue;
                    }
                    for (String commitFile : commitInfo.files()) {
                        if (includePerCommitFiles || isPerSegmentFile(commitFile)) {
                            files.add(file.resolve(commitFile));
                        }
                    }
                }
            }
        }
    }
    CorruptionUtils.corruptFile(random(), files.toArray(new Path[0]));
    return shardRouting;
}

Example 4 with GroupShardsIterator

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

the class SliceBuilderTests method testToFilterWithRouting.

public void testToFilterWithRouting() throws IOException {
    Directory dir = new ByteBuffersDirectory();
    try (IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(new MockAnalyzer(random())))) {
        writer.commit();
    }
    ClusterService clusterService = mock(ClusterService.class);
    ClusterState state = mock(ClusterState.class);
    when(state.metadata()).thenReturn(Metadata.EMPTY_METADATA);
    when(clusterService.state()).thenReturn(state);
    OperationRouting routing = mock(OperationRouting.class);
    GroupShardsIterator<ShardIterator> it = new GroupShardsIterator<>(Collections.singletonList(new PlainShardIterator(new ShardId("index", "index", 1), Collections.emptyList())));
    when(routing.searchShards(any(), any(), any(), any())).thenReturn(it);
    when(clusterService.operationRouting()).thenReturn(routing);
    when(clusterService.getSettings()).thenReturn(Settings.EMPTY);
    try (IndexReader reader = DirectoryReader.open(dir)) {
        Version version = VersionUtils.randomCompatibleVersion(random(), Version.CURRENT);
        QueryShardContext context = createShardContext(version, reader, "field", DocValuesType.SORTED, 5, 0);
        SliceBuilder builder = new SliceBuilder("field", 6, 10);
        String[] routings = new String[] { "foo" };
        Query query = builder.toFilter(clusterService, createRequest(1, routings, null), context, version);
        assertEquals(new DocValuesSliceQuery("field", 6, 10), query);
        query = builder.toFilter(clusterService, createRequest(1, Strings.EMPTY_ARRAY, "foo"), context, version);
        assertEquals(new DocValuesSliceQuery("field", 6, 10), query);
    }
}

Example 5 with GroupShardsIterator

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

the class CanMatchPreFilterSearchPhaseTests method testLotsOfShards.

/*
     * In cases that a query coordinating node held all the shards for a query, the can match phase would recurse and end in stack overflow
     * when subjected to max concurrent search requests. This test is a test for that situation.
     */
public void testLotsOfShards() throws InterruptedException {
    final TransportSearchAction.SearchTimeProvider timeProvider = new TransportSearchAction.SearchTimeProvider(0, System.nanoTime(), System::nanoTime);
    final Map<String, Transport.Connection> lookup = new ConcurrentHashMap<>();
    final DiscoveryNode primaryNode = new DiscoveryNode("node_1", buildNewFakeTransportAddress(), Version.CURRENT);
    final DiscoveryNode replicaNode = new DiscoveryNode("node_2", buildNewFakeTransportAddress(), Version.CURRENT);
    lookup.put("node1", new SearchAsyncActionTests.MockConnection(primaryNode));
    lookup.put("node2", new SearchAsyncActionTests.MockConnection(replicaNode));
    final SearchTransportService searchTransportService = new SearchTransportService(null, null) {

        @Override
        public void sendCanMatch(Transport.Connection connection, ShardSearchRequest request, SearchTask task, ActionListener<SearchService.CanMatchResponse> listener) {
            listener.onResponse(new SearchService.CanMatchResponse(randomBoolean(), null));
        }
    };
    final CountDownLatch latch = new CountDownLatch(1);
    final OriginalIndices originalIndices = new OriginalIndices(new String[] { "idx" }, SearchRequest.DEFAULT_INDICES_OPTIONS);
    final GroupShardsIterator<SearchShardIterator> shardsIter = SearchAsyncActionTests.getShardsIter("idx", originalIndices, 4096, randomBoolean(), primaryNode, replicaNode);
    final ExecutorService executor = Executors.newFixedThreadPool(randomIntBetween(1, Runtime.getRuntime().availableProcessors()));
    final SearchRequest searchRequest = new SearchRequest();
    searchRequest.allowPartialSearchResults(true);
    SearchTransportService transportService = new SearchTransportService(null, null);
    ActionListener<SearchResponse> responseListener = ActionListener.wrap(response -> {
    }, (e) -> {
        throw new AssertionError("unexpected", e);
    });
    Map<String, AliasFilter> aliasFilters = Collections.singletonMap("_na_", new AliasFilter(null, Strings.EMPTY_ARRAY));
    final CanMatchPreFilterSearchPhase canMatchPhase = new CanMatchPreFilterSearchPhase(logger, searchTransportService, (clusterAlias, node) -> lookup.get(node), Collections.singletonMap("_na_", new AliasFilter(null, Strings.EMPTY_ARRAY)), Collections.emptyMap(), Collections.emptyMap(), OpenSearchExecutors.newDirectExecutorService(), searchRequest, null, shardsIter, timeProvider, ClusterState.EMPTY_STATE, null, (iter) -> new AbstractSearchAsyncAction<SearchPhaseResult>("test", logger, transportService, (cluster, node) -> {
        assert cluster == null : "cluster was not null: " + cluster;
        return lookup.get(node);
    }, aliasFilters, Collections.emptyMap(), Collections.emptyMap(), executor, searchRequest, responseListener, iter, new TransportSearchAction.SearchTimeProvider(0, 0, () -> 0), ClusterState.EMPTY_STATE, null, new ArraySearchPhaseResults<>(iter.size()), randomIntBetween(1, 32), SearchResponse.Clusters.EMPTY) {

        @Override
        protected SearchPhase getNextPhase(SearchPhaseResults<SearchPhaseResult> results, SearchPhaseContext context) {
            return new SearchPhase("test") {

                @Override
                public void run() {
                    latch.countDown();
                }
            };
        }

        @Override
        protected void executePhaseOnShard(final SearchShardIterator shardIt, final SearchShardTarget shard, final SearchActionListener<SearchPhaseResult> listener) {
            if (randomBoolean()) {
                listener.onResponse(new SearchPhaseResult() {
                });
            } else {
                listener.onFailure(new Exception("failure"));
            }
        }
    }, SearchResponse.Clusters.EMPTY);
    canMatchPhase.start();
    latch.await();
    executor.shutdown();
}