org.elasticsearch.rest.action.cat.RestPluginsAction 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.node.info.NodeInfo;
import org.elasticsearch.action.admin.cluster.node.info.NodesInfoRequest;
import org.elasticsearch.action.admin.cluster.node.info.NodesInfoResponse;
import org.elasticsearch.action.admin.cluster.node.info.PluginsAndModules;
import org.elasticsearch.action.admin.cluster.state.ClusterStateRequest;
import org.elasticsearch.action.admin.cluster.state.ClusterStateResponse;
import org.elasticsearch.client.internal.node.NodeClient;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.cluster.node.DiscoveryNodes;
import org.elasticsearch.common.Table;
import org.elasticsearch.plugins.PluginDescriptor;
import org.elasticsearch.plugins.PluginRuntimeInfo;
import org.elasticsearch.rest.RestRequest;
import org.elasticsearch.rest.RestResponse;
import org.elasticsearch.rest.action.RestActionListener;
import org.elasticsearch.rest.action.RestResponseListener;
import java.util.List;
import static org.elasticsearch.rest.RestRequest.Method.GET;
public class RestPluginsAction extends AbstractCatAction {
@Override
public List routes() {
return List.of(new Route(GET, "/_cat/plugins"));
}
@Override
public String getName() {
return "cat_plugins_action";
}
@Override
protected void documentation(StringBuilder sb) {
sb.append("/_cat/plugins\n");
}
@Override
public RestChannelConsumer doCatRequest(final RestRequest request, final NodeClient client) {
final boolean includeBootstrapPlugins = request.paramAsBoolean("include_bootstrap", false);
final ClusterStateRequest clusterStateRequest = new ClusterStateRequest();
clusterStateRequest.clear().nodes(true);
clusterStateRequest.local(request.paramAsBoolean("local", clusterStateRequest.local()));
clusterStateRequest.masterNodeTimeout(request.paramAsTime("master_timeout", clusterStateRequest.masterNodeTimeout()));
return channel -> client.admin().cluster().state(clusterStateRequest, new RestActionListener(channel) {
@Override
public void processResponse(final ClusterStateResponse clusterStateResponse) throws Exception {
NodesInfoRequest nodesInfoRequest = new NodesInfoRequest();
nodesInfoRequest.clear().addMetric(NodesInfoRequest.Metric.PLUGINS.metricName());
client.admin().cluster().nodesInfo(nodesInfoRequest, new RestResponseListener(channel) {
@Override
public RestResponse buildResponse(final NodesInfoResponse nodesInfoResponse) throws Exception {
return RestTable.buildResponse(buildTable(request, clusterStateResponse, nodesInfoResponse), channel);
}
});
}
});
}
@Override
protected Table getTableWithHeader(final RestRequest request) {
Table table = new Table();
table.startHeaders();
table.addCell("id", "default:false;desc:unique node id");
table.addCell("name", "alias:n;desc:node name");
table.addCell("component", "alias:c;desc:component");
table.addCell("version", "alias:v;desc:component version");
table.addCell("description", "alias:d;default:false;desc:plugin details");
table.endHeaders();
return table;
}
Table buildTable(RestRequest req, ClusterStateResponse state, NodesInfoResponse nodesInfo) {
DiscoveryNodes nodes = state.getState().nodes();
Table table = getTableWithHeader(req);
for (DiscoveryNode node : nodes) {
NodeInfo info = nodesInfo.getNodesMap().get(node.getId());
if (info == null) {
continue;
}
PluginsAndModules plugins = info.getInfo(PluginsAndModules.class);
if (plugins == null) {
continue;
}
for (PluginRuntimeInfo pluginInfo : plugins.getPluginInfos()) {
PluginDescriptor pluginDescriptor = pluginInfo.descriptor();
table.startRow();
table.addCell(node.getId());
table.addCell(node.getName());
table.addCell(pluginDescriptor.getName());
table.addCell(pluginDescriptor.getVersion());
table.addCell(pluginDescriptor.getDescription());
table.endRow();
}
}
return table;
}
}