1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/*
* 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.admin.cluster.settings;
import org.elasticsearch.action.admin.cluster.state.ClusterStateRequest;
import org.elasticsearch.action.admin.cluster.state.ClusterStateResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.client.Requests;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.ClusterSettings;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.rest.BaseRestHandler;
import org.elasticsearch.rest.BytesRestResponse;
import org.elasticsearch.rest.RestChannel;
import org.elasticsearch.rest.RestController;
import org.elasticsearch.rest.RestRequest;
import org.elasticsearch.rest.RestResponse;
import org.elasticsearch.rest.RestStatus;
import org.elasticsearch.rest.action.support.RestBuilderListener;
import java.io.IOException;
/**
*/
public class RestClusterGetSettingsAction extends BaseRestHandler {
private final ClusterSettings clusterSettings;
@Inject
public RestClusterGetSettingsAction(Settings settings, RestController controller, Client client, ClusterSettings clusterSettings) {
super(settings, controller, client);
this.clusterSettings = clusterSettings;
controller.registerHandler(RestRequest.Method.GET, "/_cluster/settings", this);
}
@Override
public void handleRequest(final RestRequest request, final RestChannel channel, final Client client) {
ClusterStateRequest clusterStateRequest = Requests.clusterStateRequest()
.routingTable(false)
.nodes(false);
final boolean renderDefaults = request.paramAsBoolean("defaults", false);
clusterStateRequest.local(request.paramAsBoolean("local", clusterStateRequest.local()));
client.admin().cluster().state(clusterStateRequest, new RestBuilderListener<ClusterStateResponse>(channel) {
@Override
public RestResponse buildResponse(ClusterStateResponse response, XContentBuilder builder) throws Exception {
return new BytesRestResponse(RestStatus.OK, renderResponse(response.getState(), renderDefaults, builder, request));
}
});
}
private XContentBuilder renderResponse(ClusterState state, boolean renderDefaults, XContentBuilder builder, ToXContent.Params params) throws IOException {
builder.startObject();
builder.startObject("persistent");
state.metaData().persistentSettings().toXContent(builder, params);
builder.endObject();
builder.startObject("transient");
state.metaData().transientSettings().toXContent(builder, params);
builder.endObject();
if (renderDefaults) {
builder.startObject("defaults");
clusterSettings.diff(state.metaData().settings(), this.settings).toXContent(builder, params);
builder.endObject();
}
builder.endObject();
return builder;
}
}
|
