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Initial commit for RemoteRoutingTableService setup
Signed-off-by: Himshikha Gupta <[email protected]>
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server/src/main/java/org/opensearch/cluster/routing/remote/RemoteRoutingTableService.java
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| /* | ||
| * 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.cluster.routing.remote; | ||
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|
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| import org.apache.logging.log4j.LogManager; | ||
| import org.apache.logging.log4j.Logger; | ||
| import org.opensearch.cluster.ClusterState; | ||
| import org.opensearch.cluster.routing.RoutingTable; | ||
| import org.opensearch.common.settings.ClusterSettings; | ||
| import org.opensearch.common.settings.Setting; | ||
| import org.opensearch.common.settings.Settings; | ||
| import org.opensearch.common.util.io.IOUtils; | ||
| import org.opensearch.gateway.remote.ClusterMetadataManifest; | ||
| import org.opensearch.node.Node; | ||
| import org.opensearch.node.remotestore.RemoteStoreNodeAttribute; | ||
| import org.opensearch.repositories.RepositoriesService; | ||
| import org.opensearch.repositories.Repository; | ||
| import org.opensearch.repositories.blobstore.BlobStoreRepository; | ||
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|
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| import java.io.Closeable; | ||
| import java.io.IOException; | ||
| import java.util.List; | ||
| import java.util.function.Supplier; | ||
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|
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| import static org.opensearch.node.remotestore.RemoteStoreNodeAttribute.isRemoteRoutingTableEnabled; | ||
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| /** | ||
| * A Service which provides APIs to upload and download routing table from remote store. | ||
| * | ||
| * @opensearch.internal | ||
| */ | ||
| public class RemoteRoutingTableService implements Closeable { | ||
|
|
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| /** | ||
| * Cluster setting to specify if routing table should be published to remote store | ||
| */ | ||
| public static final Setting<Boolean> REMOTE_ROUTING_TABLE_ENABLED_SETTING = Setting.boolSetting( | ||
| "cluster.remote_store.routing.enabled", | ||
| false, | ||
| Setting.Property.NodeScope, | ||
| Setting.Property.Final | ||
| ); | ||
| private static final Logger logger = LogManager.getLogger(RemoteRoutingTableService.class); | ||
| private final Settings settings; | ||
| private final Supplier<RepositoriesService> repositoriesService; | ||
| private final ClusterSettings clusterSettings; | ||
| private BlobStoreRepository blobStoreRepository; | ||
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| public RemoteRoutingTableService(Supplier<RepositoriesService> repositoriesService, | ||
| Settings settings, | ||
| ClusterSettings clusterSettings) { | ||
| assert isRemoteRoutingTableEnabled(settings) : "Remote routing table is not enabled"; | ||
| this.repositoriesService = repositoriesService; | ||
| this.settings = settings; | ||
| this.clusterSettings = clusterSettings; | ||
| } | ||
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| public List<ClusterMetadataManifest.UploadedIndexMetadata> writeFullRoutingTable(ClusterState clusterState, String previousClusterUUID) { | ||
| return null; | ||
| } | ||
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| public List<ClusterMetadataManifest.UploadedIndexMetadata> writeIncrementalMetadata( | ||
| ClusterState previousClusterState, | ||
| ClusterState clusterState, | ||
| ClusterMetadataManifest previousManifest) { | ||
| return null; | ||
| } | ||
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| public RoutingTable getLatestRoutingTable(String clusterName, String clusterUUID) { | ||
| return null; | ||
| } | ||
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| public RoutingTable getIncrementalRoutingTable(ClusterState previousClusterState, ClusterMetadataManifest previousManifest, String clusterName, String clusterUUID) { | ||
| return null; | ||
| } | ||
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| private void deleteStaleRoutingTable(String clusterName, String clusterUUID, int manifestsToRetain) { | ||
| } | ||
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| @Override | ||
| public void close() throws IOException { | ||
| if (blobStoreRepository != null) { | ||
| IOUtils.close(blobStoreRepository); | ||
| } | ||
| } | ||
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| public void start() { | ||
| assert isRemoteRoutingTableEnabled(settings) == true : "Remote routing table is not enabled"; | ||
| final String remoteStoreRepo = settings.get( | ||
| Node.NODE_ATTRIBUTES.getKey() + RemoteStoreNodeAttribute.REMOTE_STORE_ROUTING_TABLE_REPOSITORY_NAME_ATTRIBUTE_KEY | ||
| ); | ||
| assert remoteStoreRepo != null : "Remote routing table repository is not configured"; | ||
| final Repository repository = repositoriesService.get().repository(remoteStoreRepo); | ||
| assert repository instanceof BlobStoreRepository : "Repository should be instance of BlobStoreRepository"; | ||
| blobStoreRepository = (BlobStoreRepository) repository; | ||
| } | ||
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|
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| } |
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10
server/src/main/java/org/opensearch/cluster/routing/remote/package-info.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
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| /** Package containing class to perform operations on remote routing table */ | ||
| package org.opensearch.cluster.routing.remote; |
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