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Add POJO classes required for cluster state publication from remote (o…
…pensearch-project#14006) * Add POJO classes required for cluster state publication from remote * Use InputStreams rather than XContent for serialization for ehpemeral objects Signed-off-by: Shivansh Arora <[email protected]> * Add remote routing table changes in diff Manifest Signed-off-by: Arpit Bandejiya <[email protected]> (cherry picked from commit a9d2050)
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373 changes: 334 additions & 39 deletions
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server/src/main/java/org/opensearch/gateway/remote/ClusterMetadataManifest.java
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659 changes: 656 additions & 3 deletions
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server/src/main/java/org/opensearch/gateway/remote/ClusterStateDiffManifest.java
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server/src/main/java/org/opensearch/gateway/remote/RemoteClusterStateAttributesManager.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| /* | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| * | ||
| * The OpenSearch Contributors require contributions made to | ||
| * this file be licensed under the Apache-2.0 license or a | ||
| * compatible open source license. | ||
| */ | ||
|
|
||
| package org.opensearch.gateway.remote; | ||
|
|
||
| import org.opensearch.action.LatchedActionListener; | ||
| import org.opensearch.cluster.ClusterState; | ||
| import org.opensearch.cluster.ClusterState.Custom; | ||
| import org.opensearch.cluster.block.ClusterBlocks; | ||
| import org.opensearch.cluster.node.DiscoveryNodes; | ||
| import org.opensearch.common.CheckedRunnable; | ||
| import org.opensearch.common.remote.AbstractRemoteWritableBlobEntity; | ||
| import org.opensearch.core.action.ActionListener; | ||
| import org.opensearch.core.common.io.stream.NamedWriteableRegistry; | ||
| import org.opensearch.core.compress.Compressor; | ||
| import org.opensearch.core.xcontent.NamedXContentRegistry; | ||
| import org.opensearch.core.xcontent.ToXContent; | ||
| import org.opensearch.gateway.remote.model.RemoteClusterBlocks; | ||
| import org.opensearch.gateway.remote.model.RemoteClusterStateBlobStore; | ||
| import org.opensearch.gateway.remote.model.RemoteClusterStateCustoms; | ||
| import org.opensearch.gateway.remote.model.RemoteDiscoveryNodes; | ||
| import org.opensearch.gateway.remote.model.RemoteReadResult; | ||
|
|
||
| import java.io.IOException; | ||
| 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} | ||
| * | ||
| * @opensearch.internal | ||
| */ | ||
| public class RemoteClusterStateAttributesManager { | ||
| public static final String CLUSTER_STATE_ATTRIBUTE = "cluster_state_attribute"; | ||
| public static final String DISCOVERY_NODES = "nodes"; | ||
| public static final String CLUSTER_BLOCKS = "blocks"; | ||
| public static final int CLUSTER_STATE_ATTRIBUTES_CURRENT_CODEC_VERSION = 1; | ||
| private final RemoteClusterStateBlobStore<ClusterBlocks, RemoteClusterBlocks> clusterBlocksBlobStore; | ||
| private final RemoteClusterStateBlobStore<DiscoveryNodes, RemoteDiscoveryNodes> discoveryNodesBlobStore; | ||
| private final RemoteClusterStateBlobStore<Custom, RemoteClusterStateCustoms> customsBlobStore; | ||
| private final Compressor compressor; | ||
| private final NamedXContentRegistry namedXContentRegistry; | ||
| private final NamedWriteableRegistry namedWriteableRegistry; | ||
|
|
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| RemoteClusterStateAttributesManager( | ||
| RemoteClusterStateBlobStore<ClusterBlocks, RemoteClusterBlocks> clusterBlocksBlobStore, | ||
| RemoteClusterStateBlobStore<DiscoveryNodes, RemoteDiscoveryNodes> discoveryNodesBlobStore, | ||
| RemoteClusterStateBlobStore<Custom, RemoteClusterStateCustoms> customsBlobStore, | ||
| Compressor compressor, | ||
| NamedXContentRegistry namedXContentRegistry, | ||
| NamedWriteableRegistry namedWriteableRegistry | ||
| ) { | ||
| this.clusterBlocksBlobStore = clusterBlocksBlobStore; | ||
| this.discoveryNodesBlobStore = discoveryNodesBlobStore; | ||
| this.customsBlobStore = customsBlobStore; | ||
| this.compressor = compressor; | ||
| this.namedXContentRegistry = namedXContentRegistry; | ||
| this.namedWriteableRegistry = namedWriteableRegistry; | ||
| } | ||
|
|
||
| /** | ||
| * Allows async upload of Cluster State Attribute components to remote | ||
| */ | ||
| CheckedRunnable<IOException> getAsyncMetadataWriteAction( | ||
| String component, | ||
| AbstractRemoteWritableBlobEntity blobEntity, | ||
| RemoteClusterStateBlobStore remoteEntityStore, | ||
| LatchedActionListener<ClusterMetadataManifest.UploadedMetadata> latchedActionListener | ||
| ) { | ||
| return () -> remoteEntityStore.writeAsync(blobEntity, getActionListener(component, blobEntity, latchedActionListener)); | ||
| } | ||
|
|
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| private ActionListener<Void> getActionListener( | ||
| String component, | ||
| AbstractRemoteWritableBlobEntity remoteObject, | ||
| LatchedActionListener<ClusterMetadataManifest.UploadedMetadata> latchedActionListener | ||
| ) { | ||
| return ActionListener.wrap( | ||
| resp -> latchedActionListener.onResponse(remoteObject.getUploadedMetadata()), | ||
| ex -> latchedActionListener.onFailure(new RemoteStateTransferException(component, remoteObject, ex)) | ||
| ); | ||
| } | ||
|
|
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| public CheckedRunnable<IOException> getAsyncMetadataReadAction( | ||
| String component, | ||
| AbstractRemoteWritableBlobEntity blobEntity, | ||
| RemoteClusterStateBlobStore remoteEntityStore, | ||
| LatchedActionListener<RemoteReadResult> listener | ||
| ) { | ||
| final ActionListener actionListener = ActionListener.wrap( | ||
| response -> listener.onResponse(new RemoteReadResult((ToXContent) response, CLUSTER_STATE_ATTRIBUTE, component)), | ||
| listener::onFailure | ||
| ); | ||
| return () -> remoteEntityStore.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()); | ||
| } | ||
| for (String custom : currentCustoms) { | ||
| updatedCustoms.put(custom, clusterState.customs().get(custom)); | ||
| } | ||
| return updatedCustoms; | ||
| } | ||
| } |
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