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REST: Remove GET support for clear cache indices (#29525)

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Clearing the cache indices can be done via GET and POST. As GET should
only support read only operations, this removes the support for using
GET for clearing the indices caches.
This commit is contained in:
Alexander Reelsen 2018-04-27 08:41:36 +02:00 committed by GitHub
parent e0b8893645
commit e1a16a6018
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3 changed files with 5 additions and 6 deletions
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5
docs/reference/release-notes/7.0.0-alpha1.asciidoc
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@ -8,4 +8,7 @@ The changes listed below have been released for the first time in Elasticsearch
=== Breaking changes
Core::
* Tribe node has been removed in favor of Cross-Cluster-Search
* Tribe node has been removed in favor of Cross-Cluster-Search
Rest API::
* The Clear Cache API only supports `POST` as HTTP method

2
rest-api-spec/src/main/resources/rest-api-spec/api/indices.clear_cache.json
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@ -1,7 +1,7 @@
{
"indices.clear_cache": {
"documentation": "http://www.elastic.co/guide/en/elasticsearch/reference/master/indices-clearcache.html",
"methods": ["POST", "GET"],
"methods": ["POST"],
"url": {
"path": "/_cache/clear",
"paths": ["/_cache/clear", "/{index}/_cache/clear"],

4
server/src/main/java/org/elasticsearch/rest/action/admin/indices/RestClearIndicesCacheAction.java
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@ -31,7 +31,6 @@ import org.elasticsearch.rest.action.RestToXContentListener;
import java.io.IOException;
import static org.elasticsearch.rest.RestRequest.Method.GET;
import static org.elasticsearch.rest.RestRequest.Method.POST;
public class RestClearIndicesCacheAction extends BaseRestHandler {
@ -40,9 +39,6 @@ public class RestClearIndicesCacheAction extends BaseRestHandler {
super(settings);
controller.registerHandler(POST, "/_cache/clear", this);
controller.registerHandler(POST, "/{index}/_cache/clear", this);
controller.registerHandler(GET, "/_cache/clear", this);
controller.registerHandler(GET, "/{index}/_cache/clear", this);
}
@Override