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Use remote publication flag to decide which custom objects to upload (#…
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…14338)

* Simplify updated customs (ClusterState.Custom & Metadata.Custom) persistence logic to remote store

Signed-off-by: Sooraj Sinha <[email protected]>
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@soosinha
soosinha authored Jun 17, 2024
1 parent 0d38d14 commit a3402d1
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Showing 7 changed files with 591 additions and 98 deletions.
44 changes: 31 additions & 13 deletions server/src/main/java/org/opensearch/gateway/remote/RemoteClusterStateAttributesManager.java
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,8 @@

import org.opensearch.action.LatchedActionListener;
import org.opensearch.cluster.ClusterState;
import org.opensearch.cluster.DiffableUtils;
import org.opensearch.cluster.DiffableUtils.NonDiffableValueSerializer;
import org.opensearch.common.CheckedRunnable;
import org.opensearch.common.remote.AbstractRemoteWritableBlobEntity;
import org.opensearch.common.remote.RemoteWritableEntityStore;
Expand All @@ -25,10 +27,9 @@
import org.opensearch.threadpool.ThreadPool;

import java.io.IOException;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

/**
* A Manager which provides APIs to upload and download attributes of ClusterState to the {@link RemoteClusterStateBlobStore}
Expand Down Expand Up @@ -126,18 +127,35 @@ public CheckedRunnable<IOException> getAsyncMetadataReadAction(
return () -> getStore(blobEntity).readAsync(blobEntity, actionListener);
}

public Map<String, ClusterState.Custom> getUpdatedCustoms(ClusterState clusterState, ClusterState previousClusterState) {
Map<String, ClusterState.Custom> updatedCustoms = new HashMap<>();
Set<String> currentCustoms = new HashSet<>(clusterState.customs().keySet());
for (Map.Entry<String, ClusterState.Custom> entry : previousClusterState.customs().entrySet()) {
if (currentCustoms.contains(entry.getKey()) && !entry.getValue().equals(clusterState.customs().get(entry.getKey()))) {
updatedCustoms.put(entry.getKey(), clusterState.customs().get(entry.getKey()));
}
currentCustoms.remove(entry.getKey());
public DiffableUtils.MapDiff<String, ClusterState.Custom, Map<String, ClusterState.Custom>> getUpdatedCustoms(
ClusterState clusterState,
ClusterState previousClusterState,
boolean isRemotePublicationEnabled,
boolean isFirstUpload
) {
if (!isRemotePublicationEnabled) {
// When isRemotePublicationEnabled is false, we do not want store any custom objects
return DiffableUtils.diff(
Collections.emptyMap(),
Collections.emptyMap(),
DiffableUtils.getStringKeySerializer(),
NonDiffableValueSerializer.getAbstractInstance()
);
}
for (String custom : currentCustoms) {
updatedCustoms.put(custom, clusterState.customs().get(custom));
if (isFirstUpload) {
// For first upload of ephemeral metadata, we want to upload all customs
return DiffableUtils.diff(
Collections.emptyMap(),
clusterState.customs(),
DiffableUtils.getStringKeySerializer(),
NonDiffableValueSerializer.getAbstractInstance()
);
}
return updatedCustoms;
return DiffableUtils.diff(
previousClusterState.customs(),
clusterState.customs(),
DiffableUtils.getStringKeySerializer(),
NonDiffableValueSerializer.getAbstractInstance()
);
}
}
97 changes: 44 additions & 53 deletions server/src/main/java/org/opensearch/gateway/remote/RemoteClusterStateService.java
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,7 @@
import org.opensearch.common.settings.Setting.Property;
import org.opensearch.common.settings.Settings;
import org.opensearch.common.unit.TimeValue;
import org.opensearch.common.util.FeatureFlags;
import org.opensearch.common.util.io.IOUtils;
import org.opensearch.core.action.ActionListener;
import org.opensearch.core.common.io.stream.NamedWriteableRegistry;
Expand Down Expand Up @@ -88,6 +89,7 @@

import static java.util.Collections.emptyList;
import static java.util.Collections.emptyMap;
import static org.opensearch.common.util.FeatureFlags.REMOTE_PUBLICATION_EXPERIMENTAL;
import static org.opensearch.gateway.PersistedClusterStateService.SLOW_WRITE_LOGGING_THRESHOLD;
import static org.opensearch.gateway.remote.ClusterMetadataManifest.CODEC_V2;
import static org.opensearch.gateway.remote.RemoteClusterStateAttributesManager.CLUSTER_BLOCKS;
Expand Down Expand Up @@ -159,6 +161,7 @@ public class RemoteClusterStateService implements Closeable {
private final String METADATA_UPDATE_LOG_STRING = "wrote metadata for [{}] indices and skipped [{}] unchanged "
+ "indices, coordination metadata updated : [{}], settings metadata updated : [{}], templates metadata "
+ "updated : [{}], custom metadata updated : [{}], indices routing updated : [{}]";
private final boolean isPublicationEnabled;

// ToXContent Params with gateway mode.
// We are using gateway context mode to persist all custom metadata.
Expand Down Expand Up @@ -201,6 +204,9 @@ public RemoteClusterStateService(
threadPool
);
this.remoteClusterStateCleanupManager = new RemoteClusterStateCleanupManager(this, clusterService, remoteRoutingTableService);
this.isPublicationEnabled = FeatureFlags.isEnabled(REMOTE_PUBLICATION_EXPERIMENTAL)
&& RemoteStoreNodeAttribute.isRemoteStoreClusterStateEnabled(settings)
&& RemoteStoreNodeAttribute.isRemoteRoutingTableEnabled(settings);
}

/**
Expand All @@ -221,15 +227,15 @@ public RemoteClusterStateManifestInfo writeFullMetadata(ClusterState clusterStat
clusterState,
new ArrayList<>(clusterState.metadata().indices().values()),
emptyMap(),
clusterState.metadata().customs(),
RemoteGlobalMetadataManager.filterCustoms(clusterState.metadata().customs(), isPublicationEnabled),
true,
true,
true,
true,
true,
true,
clusterState.customs(),
true,
isPublicationEnabled,
isPublicationEnabled,
isPublicationEnabled,
isPublicationEnabled ? clusterState.customs() : Collections.emptyMap(),
isPublicationEnabled,
remoteRoutingTableService.getIndicesRouting(clusterState.getRoutingTable())
);
final RemoteClusterStateManifestInfo manifestDetails = remoteManifestManager.uploadManifest(
Expand Down Expand Up @@ -285,28 +291,17 @@ public RemoteClusterStateManifestInfo writeIncrementalMetadata(
}
assert previousClusterState.metadata().coordinationMetadata().term() == clusterState.metadata().coordinationMetadata().term();

final Map<String, UploadedMetadataAttribute> customsToBeDeletedFromRemote = new HashMap<>(previousManifest.getCustomMetadataMap());
final Map<String, Metadata.Custom> customsToUpload = remoteGlobalMetadataManager.getUpdatedCustoms(
clusterState,
previousClusterState
);
final Map<String, UploadedMetadataAttribute> clusterStateCustomsToBeDeleted = new HashMap<>(
boolean firstUploadForSplitGlobalMetadata = !previousManifest.hasMetadataAttributesFiles();

final DiffableUtils.MapDiff<String, Metadata.Custom, Map<String, Metadata.Custom>> customsDiff = remoteGlobalMetadataManager
.getCustomsDiff(clusterState, previousClusterState, firstUploadForSplitGlobalMetadata, isPublicationEnabled);
final DiffableUtils.MapDiff<String, ClusterState.Custom, Map<String, ClusterState.Custom>> clusterStateCustomsDiff =
remoteClusterStateAttributesManager.getUpdatedCustoms(clusterState, previousClusterState, isPublicationEnabled, false);
final Map<String, UploadedMetadataAttribute> allUploadedCustomMap = new HashMap<>(previousManifest.getCustomMetadataMap());
final Map<String, UploadedMetadataAttribute> allUploadedClusterStateCustomsMap = new HashMap<>(
previousManifest.getClusterStateCustomMap()
);
final Map<String, ClusterState.Custom> clusterStateCustomsToUpload = remoteClusterStateAttributesManager.getUpdatedCustoms(
clusterState,
previousClusterState
);
final Map<String, UploadedMetadataAttribute> allUploadedCustomMap = new HashMap<>(previousManifest.getCustomMetadataMap());
for (final String custom : clusterState.metadata().customs().keySet()) {
// remove all the customs which are present currently
customsToBeDeletedFromRemote.remove(custom);
}
final Map<String, IndexMetadata> indicesToBeDeletedFromRemote = new HashMap<>(previousClusterState.metadata().indices());
for (final String custom : clusterState.customs().keySet()) {
// remove all the custom which are present currently
clusterStateCustomsToBeDeleted.remove(custom);
}
int numIndicesUpdated = 0;
int numIndicesUnchanged = 0;
final Map<String, ClusterMetadataManifest.UploadedIndexMetadata> allUploadedIndexMetadata = previousManifest.getIndices()
Expand Down Expand Up @@ -337,42 +332,44 @@ public RemoteClusterStateManifestInfo writeIncrementalMetadata(
indicesToBeDeletedFromRemote.remove(indexMetadata.getIndex().getName());
}

DiffableUtils.MapDiff<String, IndexRoutingTable, Map<String, IndexRoutingTable>> routingTableDiff = remoteRoutingTableService
final DiffableUtils.MapDiff<String, IndexRoutingTable, Map<String, IndexRoutingTable>> routingTableDiff = remoteRoutingTableService
.getIndicesRoutingMapDiff(previousClusterState.getRoutingTable(), clusterState.getRoutingTable());
List<IndexRoutingTable> indicesRoutingToUpload = new ArrayList<>();
final List<IndexRoutingTable> indicesRoutingToUpload = new ArrayList<>();
routingTableDiff.getUpserts().forEach((k, v) -> indicesRoutingToUpload.add(v));

UploadedMetadataResults uploadedMetadataResults;
// For migration case from codec V0 or V1 to V2, we have added null check on metadata attribute files,
// If file is empty and codec is 1 then write global metadata.
boolean firstUploadForSplitGlobalMetadata = !previousManifest.hasMetadataAttributesFiles();
boolean updateCoordinationMetadata = firstUploadForSplitGlobalMetadata
|| Metadata.isCoordinationMetadataEqual(previousClusterState.metadata(), clusterState.metadata()) == false;
;
boolean updateSettingsMetadata = firstUploadForSplitGlobalMetadata
|| Metadata.isSettingsMetadataEqual(previousClusterState.metadata(), clusterState.metadata()) == false;
boolean updateTransientSettingsMetadata = firstUploadForSplitGlobalMetadata
|| Metadata.isTransientSettingsMetadataEqual(previousClusterState.metadata(), clusterState.metadata()) == false;
boolean updateTransientSettingsMetadata = Metadata.isTransientSettingsMetadataEqual(
previousClusterState.metadata(),
clusterState.metadata()
) == false;
boolean updateTemplatesMetadata = firstUploadForSplitGlobalMetadata
|| Metadata.isTemplatesMetadataEqual(previousClusterState.metadata(), clusterState.metadata()) == false;
// ToDo: check if these needs to be updated or not
final boolean updateDiscoveryNodes = clusterState.getNodes().delta(previousClusterState.getNodes()).hasChanges();
final boolean updateClusterBlocks = !clusterState.blocks().equals(previousClusterState.blocks());
final boolean updateHashesOfConsistentSettings = firstUploadForSplitGlobalMetadata

final boolean updateDiscoveryNodes = isPublicationEnabled
&& clusterState.getNodes().delta(previousClusterState.getNodes()).hasChanges();
final boolean updateClusterBlocks = isPublicationEnabled && !clusterState.blocks().equals(previousClusterState.blocks());
final boolean updateHashesOfConsistentSettings = isPublicationEnabled
|| Metadata.isHashesOfConsistentSettingsEqual(previousClusterState.metadata(), clusterState.metadata()) == false;

uploadedMetadataResults = writeMetadataInParallel(
clusterState,
toUpload,
prevIndexMetadataByName,
firstUploadForSplitGlobalMetadata ? clusterState.metadata().customs() : customsToUpload,
customsDiff.getUpserts(),
updateCoordinationMetadata,
updateSettingsMetadata,
updateTemplatesMetadata,
updateDiscoveryNodes,
updateClusterBlocks,
updateTransientSettingsMetadata,
clusterStateCustomsToUpload,
clusterStateCustomsDiff.getUpserts(),
updateHashesOfConsistentSettings,
indicesRoutingToUpload
);
Expand All @@ -382,10 +379,11 @@ public RemoteClusterStateManifestInfo writeIncrementalMetadata(
uploadedIndexMetadata -> allUploadedIndexMetadata.put(uploadedIndexMetadata.getIndexName(), uploadedIndexMetadata)
);
allUploadedCustomMap.putAll(uploadedMetadataResults.uploadedCustomMetadataMap);
allUploadedClusterStateCustomsMap.putAll(uploadedMetadataResults.uploadedClusterStateCustomMetadataMap);
// remove the data for removed custom/indices
customsToBeDeletedFromRemote.keySet().forEach(allUploadedCustomMap::remove);
customsDiff.getDeletes().forEach(allUploadedCustomMap::remove);
indicesToBeDeletedFromRemote.keySet().forEach(allUploadedIndexMetadata::remove);
clusterStateCustomsToBeDeleted.keySet().forEach(allUploadedCustomMap::remove);
clusterStateCustomsDiff.getDeletes().forEach(allUploadedClusterStateCustomsMap::remove);

if (!updateCoordinationMetadata) {
uploadedMetadataResults.uploadedCoordinationMetadata = previousManifest.getCoordinationMetadata();
Expand All @@ -399,31 +397,24 @@ public RemoteClusterStateManifestInfo writeIncrementalMetadata(
if (!updateTemplatesMetadata) {
uploadedMetadataResults.uploadedTemplatesMetadata = previousManifest.getTemplatesMetadata();
}
if (!updateDiscoveryNodes && !firstUploadForSplitGlobalMetadata) {
if (!updateDiscoveryNodes) {
uploadedMetadataResults.uploadedDiscoveryNodes = previousManifest.getDiscoveryNodesMetadata();
}
if (!updateClusterBlocks && !firstUploadForSplitGlobalMetadata) {
if (!updateClusterBlocks) {
uploadedMetadataResults.uploadedClusterBlocks = previousManifest.getClusterBlocksMetadata();
}
if (!updateHashesOfConsistentSettings && !firstUploadForSplitGlobalMetadata) {
if (!updateHashesOfConsistentSettings) {
uploadedMetadataResults.uploadedHashesOfConsistentSettings = previousManifest.getHashesOfConsistentSettings();
}
if (!firstUploadForSplitGlobalMetadata && customsToUpload.isEmpty()) {
uploadedMetadataResults.uploadedCustomMetadataMap = previousManifest.getCustomMetadataMap();
}
if (!firstUploadForSplitGlobalMetadata && clusterStateCustomsToUpload.isEmpty()) {
uploadedMetadataResults.uploadedClusterStateCustomMetadataMap = previousManifest.getClusterStateCustomMap();
}
uploadedMetadataResults.uploadedCustomMetadataMap = allUploadedCustomMap;
uploadedMetadataResults.uploadedClusterStateCustomMetadataMap = allUploadedClusterStateCustomsMap;
uploadedMetadataResults.uploadedIndexMetadata = new ArrayList<>(allUploadedIndexMetadata.values());

List<ClusterMetadataManifest.UploadedIndexMetadata> allUploadedIndicesRouting = new ArrayList<>();
allUploadedIndicesRouting = remoteRoutingTableService.getAllUploadedIndicesRouting(
uploadedMetadataResults.uploadedIndicesRoutingMetadata = remoteRoutingTableService.getAllUploadedIndicesRouting(
previousManifest,
uploadedMetadataResults.uploadedIndicesRoutingMetadata,
routingTableDiff.getDeletes()
);
uploadedMetadataResults.uploadedIndicesRoutingMetadata = allUploadedIndicesRouting;

final RemoteClusterStateManifestInfo manifestDetails = remoteManifestManager.uploadManifest(
clusterState,
Expand All @@ -448,7 +439,7 @@ public RemoteClusterStateManifestInfo writeIncrementalMetadata(
updateCoordinationMetadata,
updateSettingsMetadata,
updateTemplatesMetadata,
customsToUpload.size(),
customsDiff.getUpserts().size(),
indicesRoutingToUpload.size()
);
if (durationMillis >= slowWriteLoggingThreshold.getMillis()) {
Expand All @@ -464,7 +455,7 @@ public RemoteClusterStateManifestInfo writeIncrementalMetadata(
updateCoordinationMetadata,
updateSettingsMetadata,
updateTemplatesMetadata,
customsToUpload.size()
customsDiff.getUpserts().size()
);
} else {
logger.info("{}; {}", clusterStateUploadTimeMessage, metadataUpdateMessage);
Expand All @@ -479,7 +470,7 @@ public RemoteClusterStateManifestInfo writeIncrementalMetadata(
updateCoordinationMetadata,
updateSettingsMetadata,
updateTemplatesMetadata,
customsToUpload.size()
customsDiff.getUpserts().size()
);
}
return manifestDetails;
Expand Down
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