org.elasticsearch.rest.action.cat.RestPendingClusterTasksAction Maven / Gradle / Ivy
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Elasticsearch subproject :server
/*
* 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.
*/
package org.elasticsearch.rest.action.cat;
import org.elasticsearch.action.admin.cluster.tasks.PendingClusterTasksRequest;
import org.elasticsearch.action.admin.cluster.tasks.PendingClusterTasksResponse;
import org.elasticsearch.client.node.NodeClient;
import org.elasticsearch.cluster.service.PendingClusterTask;
import org.elasticsearch.common.Table;
import org.elasticsearch.rest.RestRequest;
import org.elasticsearch.rest.RestResponse;
import org.elasticsearch.rest.action.RestResponseListener;
import java.util.List;
import static java.util.Collections.singletonList;
import static org.elasticsearch.rest.RestRequest.Method.GET;
public class RestPendingClusterTasksAction extends AbstractCatAction {
@Override
public List routes() {
return singletonList(new Route(GET, "/_cat/pending_tasks"));
}
@Override
public String getName() {
return "cat_pending_cluster_tasks_action";
}
@Override
protected void documentation(StringBuilder sb) {
sb.append("/_cat/pending_tasks\n");
}
@Override
public RestChannelConsumer doCatRequest(final RestRequest request, final NodeClient client) {
PendingClusterTasksRequest pendingClusterTasksRequest = new PendingClusterTasksRequest();
pendingClusterTasksRequest.masterNodeTimeout(request.paramAsTime("master_timeout", pendingClusterTasksRequest.masterNodeTimeout()));
pendingClusterTasksRequest.local(request.paramAsBoolean("local", pendingClusterTasksRequest.local()));
return channel -> client.admin()
.cluster()
.pendingClusterTasks(pendingClusterTasksRequest, new RestResponseListener(channel) {
@Override
public RestResponse buildResponse(PendingClusterTasksResponse pendingClusterTasks) throws Exception {
Table tab = buildTable(request, pendingClusterTasks);
return RestTable.buildResponse(tab, channel);
}
});
}
@Override
protected Table getTableWithHeader(final RestRequest request) {
Table t = new Table();
t.startHeaders();
t.addCell("insertOrder", "alias:o;text-align:right;desc:task insertion order");
t.addCell("timeInQueue", "alias:t;text-align:right;desc:how long task has been in queue");
t.addCell("priority", "alias:p;desc:task priority");
t.addCell("source", "alias:s;desc:task source");
t.endHeaders();
return t;
}
private Table buildTable(RestRequest request, PendingClusterTasksResponse tasks) {
Table t = getTableWithHeader(request);
for (PendingClusterTask task : tasks) {
t.startRow();
t.addCell(task.getInsertOrder());
t.addCell(task.getTimeInQueue());
t.addCell(task.getPriority());
t.addCell(task.getSource());
t.endRow();
}
return t;
}
}