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Implement remote cluster stats polling
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154 changes: 154 additions & 0 deletions
154
...rc/main/java/org/elasticsearch/action/admin/cluster/stats/RemoteClusterStatsResponse.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,154 @@ | ||
| /* | ||
| * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one | ||
| * or more contributor license agreements. Licensed under the Elastic License | ||
| * 2.0 and the Server Side Public License, v 1; you may not use this file except | ||
| * in compliance with, at your election, the Elastic License 2.0 or the Server | ||
| * Side Public License, v 1. | ||
| */ | ||
|
|
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| package org.elasticsearch.action.admin.cluster.stats; | ||
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| import org.elasticsearch.action.support.nodes.BaseNodesResponse; | ||
| import org.elasticsearch.cluster.ClusterName; | ||
| import org.elasticsearch.cluster.health.ClusterHealthStatus; | ||
| import org.elasticsearch.common.io.stream.StreamInput; | ||
| import org.elasticsearch.common.io.stream.StreamOutput; | ||
|
|
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| import java.io.IOException; | ||
| import java.util.List; | ||
| import java.util.Set; | ||
|
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| /** | ||
| * Trimmed down cluster stats response for reporting to a remote cluster. | ||
| */ | ||
| public class RemoteClusterStatsResponse extends BaseNodesResponse<ClusterStatsNodeResponse> { | ||
| final String clusterUUID; | ||
| final ClusterHealthStatus status; | ||
| private final Set<String> versions; | ||
| private final long nodesCount; | ||
| private final long shardsCount; | ||
| private final long indicesCount; | ||
| private final long indicesBytes; | ||
| private final long heapBytes; | ||
| private final long memBytes; | ||
| private String remoteName; | ||
|
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| public Set<String> getVersions() { | ||
| return versions; | ||
| } | ||
|
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| public long getNodesCount() { | ||
| return nodesCount; | ||
| } | ||
|
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| public long getShardsCount() { | ||
| return shardsCount; | ||
| } | ||
|
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| public long getIndicesCount() { | ||
| return indicesCount; | ||
| } | ||
|
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| public long getIndicesBytes() { | ||
| return indicesBytes; | ||
| } | ||
|
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| public long getHeapBytes() { | ||
| return heapBytes; | ||
| } | ||
|
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| public long getMemBytes() { | ||
| return memBytes; | ||
| } | ||
|
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| public String getRemoteName() { | ||
| return remoteName; | ||
| } | ||
|
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| public void setRemoteName(String remoteName) { | ||
| this.remoteName = remoteName; | ||
| } | ||
|
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| public RemoteClusterStatsResponse( | ||
| ClusterName clusterName, | ||
| String clusterUUID, | ||
| ClusterHealthStatus status, | ||
| Set<String> versions, | ||
| long nodesCount, | ||
| long shardsCount, | ||
| long indicesCount, | ||
| long indicesBytes, | ||
| long heapBytes, | ||
| long memBytes | ||
| ) { | ||
| super(clusterName, List.of(), List.of()); | ||
| this.clusterUUID = clusterUUID; | ||
| this.status = status; | ||
| this.versions = versions; | ||
| this.nodesCount = nodesCount; | ||
| this.shardsCount = shardsCount; | ||
| this.indicesCount = indicesCount; | ||
| this.indicesBytes = indicesBytes; | ||
| this.heapBytes = heapBytes; | ||
| this.memBytes = memBytes; | ||
| } | ||
|
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| public String getClusterUUID() { | ||
| return this.clusterUUID; | ||
| } | ||
|
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| public ClusterHealthStatus getStatus() { | ||
| return this.status; | ||
| } | ||
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| @Override | ||
| public void writeTo(StreamOutput out) throws IOException { | ||
| super.writeTo(out); | ||
| out.writeString(clusterUUID); | ||
| status.writeTo(out); | ||
| out.writeStringCollection(versions); | ||
| out.writeLong(nodesCount); | ||
| out.writeLong(shardsCount); | ||
| out.writeLong(indicesCount); | ||
| out.writeLong(indicesBytes); | ||
| out.writeLong(heapBytes); | ||
| out.writeLong(memBytes); | ||
| } | ||
|
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| public RemoteClusterStatsResponse(StreamInput in) throws IOException { | ||
| super(in); | ||
| this.clusterUUID = in.readString(); | ||
| this.status = ClusterHealthStatus.readFrom(in); | ||
| this.versions = in.readCollectionAsSet(StreamInput::readString); | ||
| this.nodesCount = in.readLong(); | ||
| this.shardsCount = in.readLong(); | ||
| this.indicesCount = in.readLong(); | ||
| this.indicesBytes = in.readLong(); | ||
| this.heapBytes = in.readLong(); | ||
| this.memBytes = in.readLong(); | ||
| } | ||
|
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| @Override | ||
| protected List<ClusterStatsNodeResponse> readNodesFrom(StreamInput in) throws IOException { | ||
| return List.of(); | ||
| } | ||
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| @Override | ||
| protected void writeNodesTo(StreamOutput out, List<ClusterStatsNodeResponse> nodes) throws IOException {} | ||
|
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| /** | ||
| * Default empty response, can be used in case the cluster did not respond. | ||
| */ | ||
| public static final RemoteClusterStatsResponse EMPTY = new RemoteClusterStatsResponse( | ||
| ClusterName.DEFAULT, | ||
| "", | ||
| ClusterHealthStatus.RED, | ||
| Set.of(), | ||
| 0, | ||
| 0, | ||
| 0, | ||
| 0, | ||
| 0, | ||
| 0 | ||
| ); | ||
| } |
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