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* 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.
*/
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.PluginInfo;
import org.elasticsearch.action.admin.cluster.state.ClusterStateRequest;
import org.elasticsearch.action.admin.cluster.state.ClusterStateResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.cluster.node.DiscoveryNodes;
import org.elasticsearch.common.Table;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.rest.*;
import org.elasticsearch.rest.action.support.RestActionListener;
import org.elasticsearch.rest.action.support.RestResponseListener;
import org.elasticsearch.rest.action.support.RestTable;
import static org.elasticsearch.rest.RestRequest.Method.GET;
public class RestPluginsAction extends AbstractCatAction {
@Inject
public RestPluginsAction(Settings settings, RestController controller, Client client) {
super(settings, controller, client);
controller.registerHandler(GET, "/_cat/plugins", this);
}
@Override
void documentation(StringBuilder sb) {
sb.append("/_cat/plugins\n");
}
@Override
public void doRequest(final RestRequest request, final RestChannel channel, final Client client) {
final ClusterStateRequest clusterStateRequest = new ClusterStateRequest();
clusterStateRequest.clear().nodes(true);
clusterStateRequest.local(request.paramAsBoolean("local", clusterStateRequest.local()));
clusterStateRequest.masterNodeTimeout(request.paramAsTime("master_timeout", clusterStateRequest.masterNodeTimeout()));
client.admin().cluster().state(clusterStateRequest, new RestActionListener<ClusterStateResponse>(channel) {
@Override
public void processResponse(final ClusterStateResponse clusterStateResponse) throws Exception {
NodesInfoRequest nodesInfoRequest = new NodesInfoRequest();
nodesInfoRequest.clear().plugins(true);
client.admin().cluster().nodesInfo(nodesInfoRequest, new RestResponseListener<NodesInfoResponse>(channel) {
@Override
public RestResponse buildResponse(final NodesInfoResponse nodesInfoResponse) throws Exception {
return RestTable.buildResponse(buildTable(request, clusterStateResponse, nodesInfoResponse), channel);
}
});
}
});
}
@Override
Table getTableWithHeader(final RestRequest request) {
Table table = new Table();
table.startHeaders();
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("type", "alias:t;desc:type (j for JVM, s for Site)");
table.addCell("url", "alias:u;desc:url for site plugins");
table.addCell("description", "alias:d;default:false;desc:plugin details");
table.endHeaders();
return table;
}
private 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.id());
for (PluginInfo pluginInfo : info.getPlugins().getInfos()) {
table.startRow();
table.addCell(node.name());
table.addCell(pluginInfo.getName());
table.addCell(pluginInfo.getVersion());
String type;
if (pluginInfo.isSite()) {
if (pluginInfo.isJvm()) {
type = "j/s";
} else {
type = "s";
}
} else {
if (pluginInfo.isJvm()) {
type = "j";
} else {
type = "";
}
}
table.addCell(type);
table.addCell(pluginInfo.getUrl());
table.addCell(pluginInfo.getDescription());
table.endRow();
}
}
return table;
}
}