org.opensearch.rest.action.cat.RestCatRecoveryAction Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of opensearch Show documentation
Show all versions of opensearch Show documentation
OpenSearch subproject :server
/*
* 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.
*/
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/*
* Modifications Copyright OpenSearch Contributors. See
* GitHub history for details.
*/
package org.opensearch.rest.action.cat;
import org.apache.lucene.util.CollectionUtil;
import org.opensearch.action.admin.indices.recovery.RecoveryRequest;
import org.opensearch.action.admin.indices.recovery.RecoveryResponse;
import org.opensearch.action.support.IndicesOptions;
import org.opensearch.client.node.NodeClient;
import org.opensearch.cluster.routing.RecoverySource;
import org.opensearch.cluster.routing.RecoverySource.SnapshotRecoverySource;
import org.opensearch.common.Table;
import org.opensearch.common.unit.TimeValue;
import org.opensearch.common.xcontent.XContentOpenSearchExtension;
import org.opensearch.core.common.Strings;
import org.opensearch.indices.recovery.RecoveryState;
import org.opensearch.rest.RestRequest;
import org.opensearch.rest.RestResponse;
import org.opensearch.rest.action.RestResponseListener;
import java.util.Comparator;
import java.util.List;
import java.util.Locale;
import static java.util.Arrays.asList;
import static java.util.Collections.unmodifiableList;
import static org.opensearch.rest.RestRequest.Method.GET;
/**
* RestRecoveryAction provides information about the status of replica recovery
* in a string format, designed to be used at the command line. An Index can
* be specified to limit output to a particular index or indices.
*
* @opensearch.api
*/
public class RestCatRecoveryAction extends AbstractCatAction {
@Override
public List routes() {
return unmodifiableList(asList(new Route(GET, "/_cat/recovery"), new Route(GET, "/_cat/recovery/{index}")));
}
@Override
public String getName() {
return "cat_recovery_action";
}
@Override
protected void documentation(StringBuilder sb) {
sb.append("/_cat/recovery\n");
sb.append("/_cat/recovery/{index}\n");
}
@Override
public RestChannelConsumer doCatRequest(final RestRequest request, final NodeClient client) {
final RecoveryRequest recoveryRequest = new RecoveryRequest(Strings.splitStringByCommaToArray(request.param("index")));
recoveryRequest.timeout(request.param("timeout"));
recoveryRequest.detailed(request.paramAsBoolean("detailed", false));
recoveryRequest.activeOnly(request.paramAsBoolean("active_only", false));
recoveryRequest.indicesOptions(IndicesOptions.fromRequest(request, recoveryRequest.indicesOptions()));
return channel -> client.admin().indices().recoveries(recoveryRequest, new RestResponseListener(channel) {
@Override
public RestResponse buildResponse(final RecoveryResponse response) throws Exception {
return RestTable.buildResponse(buildRecoveryTable(request, response), channel);
}
});
}
@Override
protected Table getTableWithHeader(RestRequest request) {
Table t = new Table();
t.startHeaders()
.addCell("index", "alias:i,idx;desc:index name")
.addCell("shard", "alias:s,sh;desc:shard name")
.addCell("start_time", "default:false;alias:start;desc:recovery start time")
.addCell("start_time_millis", "default:false;alias:start_millis;desc:recovery start time in epoch milliseconds")
.addCell("stop_time", "default:false;alias:stop;desc:recovery stop time")
.addCell("stop_time_millis", "default:false;alias:stop_millis;desc:recovery stop time in epoch milliseconds")
.addCell("time", "alias:t,ti;desc:recovery time")
.addCell("type", "alias:ty;desc:recovery type")
.addCell("stage", "alias:st;desc:recovery stage")
.addCell("source_host", "alias:shost;desc:source host")
.addCell("source_node", "alias:snode;desc:source node name")
.addCell("target_host", "alias:thost;desc:target host")
.addCell("target_node", "alias:tnode;desc:target node name")
.addCell("repository", "alias:rep;desc:repository")
.addCell("snapshot", "alias:snap;desc:snapshot")
.addCell("files", "alias:f;desc:number of files to recover")
.addCell("files_recovered", "alias:fr;desc:files recovered")
.addCell("files_percent", "alias:fp;desc:percent of files recovered")
.addCell("files_total", "alias:tf;desc:total number of files")
.addCell("bytes", "alias:b;desc:number of bytes to recover")
.addCell("bytes_recovered", "alias:br;desc:bytes recovered")
.addCell("bytes_percent", "alias:bp;desc:percent of bytes recovered")
.addCell("bytes_total", "alias:tb;desc:total number of bytes")
.addCell("translog_ops", "alias:to;desc:number of translog ops to recover")
.addCell("translog_ops_recovered", "alias:tor;desc:translog ops recovered")
.addCell("translog_ops_percent", "alias:top;desc:percent of translog ops recovered")
.endHeaders();
return t;
}
/**
* buildRecoveryTable will build a table of recovery information suitable
* for displaying at the command line.
*
* @param request A Rest request
* @param response A recovery status response
* @return A table containing index, shardId, node, target size, recovered size and percentage for each recovering replica
*/
public Table buildRecoveryTable(RestRequest request, RecoveryResponse response) {
Table t = getTableWithHeader(request);
for (String index : response.shardRecoveryStates().keySet()) {
List shardRecoveryStates = response.shardRecoveryStates().get(index);
if (shardRecoveryStates.size() == 0) {
continue;
}
// Sort ascending by shard id for readability
CollectionUtil.introSort(shardRecoveryStates, new Comparator() {
@Override
public int compare(RecoveryState o1, RecoveryState o2) {
int id1 = o1.getShardId().id();
int id2 = o2.getShardId().id();
if (id1 < id2) {
return -1;
} else if (id1 > id2) {
return 1;
} else {
return 0;
}
}
});
for (RecoveryState state : shardRecoveryStates) {
t.startRow();
t.addCell(index);
t.addCell(state.getShardId().id());
t.addCell(XContentOpenSearchExtension.DEFAULT_DATE_PRINTER.print(state.getTimer().startTime()));
t.addCell(state.getTimer().startTime());
t.addCell(XContentOpenSearchExtension.DEFAULT_DATE_PRINTER.print(state.getTimer().stopTime()));
t.addCell(state.getTimer().stopTime());
t.addCell(new TimeValue(state.getTimer().time()));
t.addCell(state.getRecoverySource().getType().toString().toLowerCase(Locale.ROOT));
t.addCell(state.getStage().toString().toLowerCase(Locale.ROOT));
t.addCell(state.getSourceNode() == null ? "n/a" : state.getSourceNode().getHostName());
t.addCell(state.getSourceNode() == null ? "n/a" : state.getSourceNode().getName());
t.addCell(state.getTargetNode().getHostName());
t.addCell(state.getTargetNode().getName());
t.addCell(
state.getRecoverySource() == null || state.getRecoverySource().getType() != RecoverySource.Type.SNAPSHOT
? "n/a"
: ((SnapshotRecoverySource) state.getRecoverySource()).snapshot().getRepository()
);
t.addCell(
state.getRecoverySource() == null || state.getRecoverySource().getType() != RecoverySource.Type.SNAPSHOT
? "n/a"
: ((SnapshotRecoverySource) state.getRecoverySource()).snapshot().getSnapshotId().getName()
);
t.addCell(state.getIndex().totalRecoverFiles());
t.addCell(state.getIndex().recoveredFileCount());
t.addCell(String.format(Locale.ROOT, "%1.1f%%", state.getIndex().recoveredFilesPercent()));
t.addCell(state.getIndex().totalFileCount());
t.addCell(state.getIndex().totalRecoverBytes());
t.addCell(state.getIndex().recoveredBytes());
t.addCell(String.format(Locale.ROOT, "%1.1f%%", state.getIndex().recoveredBytesPercent()));
t.addCell(state.getIndex().totalBytes());
t.addCell(state.getTranslog().totalOperations());
t.addCell(state.getTranslog().recoveredOperations());
t.addCell(String.format(Locale.ROOT, "%1.1f%%", state.getTranslog().recoveredPercent()));
t.endRow();
}
}
return t;
}
}