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Merge branch '2.x' of github.com:opensearch-project/OpenSearch into b…
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…acport2.x-validations
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@bharath-techie
bharath-techie committed Sep 3, 2024
2 parents 6c5c5af + c8bed7c commit 2946fa4
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Showing 21 changed files with 979 additions and 534 deletions.
89 changes: 80 additions & 9 deletions ...c/internalClusterTest/java/org/opensearch/gateway/remote/RemoteRoutingTableServiceIT.java
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@
import org.opensearch.test.OpenSearchIntegTestCase;
import org.junit.Before;

import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Path;
import java.util.ArrayList;
Expand All @@ -46,7 +47,7 @@
public class RemoteRoutingTableServiceIT extends RemoteStoreBaseIntegTestCase {
private static final String INDEX_NAME = "test-index";
private static final String INDEX_NAME_1 = "test-index-1";
BlobPath indexRoutingPath;
List<BlobPath> indexRoutingPaths;
AtomicInteger indexRoutingFiles = new AtomicInteger();
private final RemoteStoreEnums.PathType pathType = RemoteStoreEnums.PathType.HASHED_PREFIX;

Expand Down Expand Up @@ -91,7 +92,7 @@ public void testRemoteRoutingTableIndexLifecycle() throws Exception {
updateIndexSettings(INDEX_NAME, IndexMetadata.SETTING_NUMBER_OF_REPLICAS, 2);
ensureGreen(INDEX_NAME);
assertBusy(() -> {
int indexRoutingFilesAfterUpdate = repository.blobStore().blobContainer(indexRoutingPath).listBlobs().size();
int indexRoutingFilesAfterUpdate = repository.blobStore().blobContainer(indexRoutingPaths.get(0)).listBlobs().size();
// At-least 3 new index routing files will be created as shards will transition from INIT -> UNASSIGNED -> STARTED state
assertTrue(indexRoutingFilesAfterUpdate >= indexRoutingFiles.get() + 3);
});
Expand All @@ -112,6 +113,47 @@ public void testRemoteRoutingTableIndexLifecycle() throws Exception {
assertTrue(areRoutingTablesSame(routingTableVersions));
}

public void testRemoteRoutingTableWithMultipleIndex() throws Exception {
BlobStoreRepository repository = prepareClusterAndVerifyRepository();

RemoteClusterStateService remoteClusterStateService = internalCluster().getClusterManagerNodeInstance(
RemoteClusterStateService.class
);
RemoteManifestManager remoteManifestManager = remoteClusterStateService.getRemoteManifestManager();
Optional<ClusterMetadataManifest> latestManifest = remoteManifestManager.getLatestClusterMetadataManifest(
getClusterState().getClusterName().value(),
getClusterState().getMetadata().clusterUUID()
);
List<String> expectedIndexNames = new ArrayList<>();
List<String> deletedIndexNames = new ArrayList<>();
verifyUpdatesInManifestFile(latestManifest, expectedIndexNames, 1, deletedIndexNames, true);

List<RoutingTable> routingTables = getRoutingTableFromAllNodes();
// Verify indices in routing table
Set<String> expectedIndicesInRoutingTable = Set.of(INDEX_NAME);
assertEquals(routingTables.get(0).getIndicesRouting().keySet(), expectedIndicesInRoutingTable);
// Verify routing table across all nodes is equal
assertTrue(areRoutingTablesSame(routingTables));

// Create new index
createIndex(INDEX_NAME_1, remoteStoreIndexSettings(1, 5));
ensureGreen(INDEX_NAME_1);

latestManifest = remoteManifestManager.getLatestClusterMetadataManifest(
getClusterState().getClusterName().value(),
getClusterState().getMetadata().clusterUUID()
);

updateIndexRoutingPaths(repository);
verifyUpdatesInManifestFile(latestManifest, expectedIndexNames, 2, deletedIndexNames, true);
routingTables = getRoutingTableFromAllNodes();
// Verify indices in routing table
expectedIndicesInRoutingTable = Set.of(INDEX_NAME, INDEX_NAME_1);
assertEquals(routingTables.get(0).getIndicesRouting().keySet(), expectedIndicesInRoutingTable);
// Verify routing table across all nodes is equal
assertTrue(areRoutingTablesSame(routingTables));
}

public void testRemoteRoutingTableEmptyRoutingTableDiff() throws Exception {
prepareClusterAndVerifyRepository();

Expand Down Expand Up @@ -166,7 +208,7 @@ public void testRemoteRoutingTableIndexNodeRestart() throws Exception {
assertRemoteStoreRepositoryOnAllNodes(REMOTE_ROUTING_TABLE_REPO);

assertBusy(() -> {
int indexRoutingFilesAfterNodeDrop = repository.blobStore().blobContainer(indexRoutingPath).listBlobs().size();
int indexRoutingFilesAfterNodeDrop = repository.blobStore().blobContainer(indexRoutingPaths.get(0)).listBlobs().size();
assertTrue(indexRoutingFilesAfterNodeDrop > indexRoutingFiles.get());
});

Expand Down Expand Up @@ -201,7 +243,7 @@ public void testRemoteRoutingTableIndexMasterRestart() throws Exception {
assertRemoteStoreRepositoryOnAllNodes(REMOTE_ROUTING_TABLE_REPO);

assertBusy(() -> {
int indexRoutingFilesAfterNodeDrop = repository.blobStore().blobContainer(indexRoutingPath).listBlobs().size();
int indexRoutingFilesAfterNodeDrop = repository.blobStore().blobContainer(indexRoutingPaths.get(0)).listBlobs().size();
assertTrue(indexRoutingFilesAfterNodeDrop > indexRoutingFiles.get());
});

Expand Down Expand Up @@ -240,10 +282,14 @@ private BlobStoreRepository prepareClusterAndVerifyRepository() throws Exception

BlobPath baseMetadataPath = getBaseMetadataPath(repository);
List<IndexRoutingTable> indexRoutingTables = new ArrayList<>(getClusterState().routingTable().indicesRouting().values());
indexRoutingPath = getIndexRoutingPath(baseMetadataPath.add(INDEX_ROUTING_TABLE), indexRoutingTables.get(0).getIndex().getUUID());
indexRoutingPaths = new ArrayList<>();
for (IndexRoutingTable indexRoutingTable : indexRoutingTables) {
indexRoutingPaths.add(getIndexRoutingPath(baseMetadataPath.add(INDEX_ROUTING_TABLE), indexRoutingTable.getIndex().getUUID()));
}

assertBusy(() -> {
indexRoutingFiles.set(repository.blobStore().blobContainer(indexRoutingPath).listBlobs().size());
int totalRoutingFiles = calculateTotalRoutingFiles(repository);
indexRoutingFiles.set(totalRoutingFiles);
// There would be >=3 files as shards will transition from UNASSIGNED -> INIT -> STARTED state
assertTrue(indexRoutingFiles.get() >= 3);
});
Expand Down Expand Up @@ -280,11 +326,19 @@ private void verifyUpdatesInManifestFile(
assertTrue(latestManifest.isPresent());
ClusterMetadataManifest manifest = latestManifest.get();

assertEquals(expectedIndexNames, manifest.getDiffManifest().getIndicesRoutingUpdated());
assertEquals(expectedDeletedIndex, manifest.getDiffManifest().getIndicesDeleted());
assertEquals(expectedIndicesRoutingFilesInManifest, manifest.getIndicesRouting().size());

// Check if all paths in manifest.getIndicesRouting() are present in indexRoutingPaths
for (ClusterMetadataManifest.UploadedIndexMetadata uploadedFilename : manifest.getIndicesRouting()) {
assertTrue(uploadedFilename.getUploadedFilename().contains(indexRoutingPath.buildAsString()));
boolean pathFound = false;
for (BlobPath indexRoutingPath : indexRoutingPaths) {
if (uploadedFilename.getUploadedFilename().contains(indexRoutingPath.buildAsString())) {
pathFound = true;
break;
}
}
assertTrue("Uploaded file not found in indexRoutingPaths: " + uploadedFilename.getUploadedFilename(), pathFound);
}
assertEquals(isRoutingTableDiffFileExpected, manifest.getDiffManifest().getIndicesRoutingDiffPath() != null);
}
Expand All @@ -305,6 +359,24 @@ private List<RoutingTable> getRoutingTableFromAllNodes() throws ExecutionExcepti
return routingTables;
}

private void updateIndexRoutingPaths(BlobStoreRepository repository) {
BlobPath baseMetadataPath = getBaseMetadataPath(repository);
List<IndexRoutingTable> indexRoutingTables = new ArrayList<>(getClusterState().routingTable().indicesRouting().values());

indexRoutingPaths.clear(); // Clear the list to avoid stale data
for (IndexRoutingTable indexRoutingTable : indexRoutingTables) {
indexRoutingPaths.add(getIndexRoutingPath(baseMetadataPath.add(INDEX_ROUTING_TABLE), indexRoutingTable.getIndex().getUUID()));
}
}

private int calculateTotalRoutingFiles(BlobStoreRepository repository) throws IOException {
int totalRoutingFiles = 0;
for (BlobPath path : indexRoutingPaths) {
totalRoutingFiles += repository.blobStore().blobContainer(path).listBlobs().size();
}
return totalRoutingFiles;
}

private boolean areRoutingTablesSame(List<RoutingTable> routingTables) {
if (routingTables == null || routingTables.isEmpty()) {
return false;
Expand Down Expand Up @@ -356,7 +428,6 @@ private void deleteIndexAndVerify(RemoteManifestManager remoteManifestManager) {
);
assertTrue(latestManifest.isPresent());
ClusterMetadataManifest manifest = latestManifest.get();
assertTrue(manifest.getDiffManifest().getIndicesRoutingUpdated().isEmpty());
assertTrue(manifest.getDiffManifest().getIndicesDeleted().contains(INDEX_NAME));
assertTrue(manifest.getIndicesRouting().isEmpty());
}
Expand Down
18 changes: 17 additions & 1 deletion server/src/main/java/org/opensearch/cluster/routing/IndexShardRoutingTable.java
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,8 @@

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.opensearch.cluster.AbstractDiffable;
import org.opensearch.cluster.Diff;
import org.opensearch.cluster.node.DiscoveryNode;
import org.opensearch.cluster.node.DiscoveryNodes;
import org.opensearch.common.Nullable;
Expand Down Expand Up @@ -75,7 +77,7 @@
* @opensearch.api
*/
@PublicApi(since = "1.0.0")
public class IndexShardRoutingTable implements Iterable<ShardRouting> {
public class IndexShardRoutingTable extends AbstractDiffable<IndexShardRoutingTable> implements Iterable<ShardRouting> {

final ShardShuffler shuffler;
// Shuffler for weighted round-robin shard routing. This uses rotation to permute shards.
Expand Down Expand Up @@ -545,6 +547,12 @@ private static List<ShardRouting> rankShardsAndUpdateStats(
return sortedShards;
}

@Override
public void writeTo(StreamOutput out) throws IOException {
this.shardId().getIndex().writeTo(out);
Builder.writeToThin(this, out);
}

private static class NodeRankComparator implements Comparator<ShardRouting> {
private final Map<String, Double> nodeRanks;

Expand Down Expand Up @@ -1067,6 +1075,14 @@ private void populateInitializingShardWeightsMap(WeightedRouting weightedRouting
}
}

public static IndexShardRoutingTable readFrom(StreamInput in) throws IOException {
return IndexShardRoutingTable.Builder.readFrom(in);
}

public static Diff<IndexShardRoutingTable> readDiffFrom(StreamInput in) throws IOException {
return readDiffFrom(IndexShardRoutingTable::readFrom, in);
}

/**
* Builder of an index shard routing table.
*
Expand Down
11 changes: 10 additions & 1 deletion server/src/main/java/org/opensearch/cluster/routing/RoutingTable.java
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Original file line number Diff line number Diff line change
Expand Up @@ -378,6 +378,10 @@ public Diff<RoutingTable> diff(RoutingTable previousState) {
return new RoutingTableDiff(previousState, this);
}

public Diff<RoutingTable> incrementalDiff(RoutingTable previousState) {
return new RoutingTableIncrementalDiff(previousState, this);
}

public static Diff<RoutingTable> readDiffFrom(StreamInput in) throws IOException {
return new RoutingTableDiff(in);
}
Expand All @@ -403,7 +407,7 @@ public void writeTo(StreamOutput out) throws IOException {
}
}

private static class RoutingTableDiff implements Diff<RoutingTable> {
private static class RoutingTableDiff implements Diff<RoutingTable>, StringKeyDiffProvider<IndexRoutingTable> {

private final long version;

Expand Down Expand Up @@ -432,6 +436,11 @@ public void writeTo(StreamOutput out) throws IOException {
out.writeLong(version);
indicesRouting.writeTo(out);
}

@Override
public DiffableUtils.MapDiff<String, IndexRoutingTable, Map<String, IndexRoutingTable>> provideDiff() {
return (DiffableUtils.MapDiff<String, IndexRoutingTable, Map<String, IndexRoutingTable>>) indicesRouting;
}
}

public static Builder builder() {
Expand Down
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