apisix/docs/en/latest/plugins/client-control.md
罗泽轩 8282046bd8
feat(client-control): set client_max_body_size dynamically (#4423)
Signed-off-by: spacewander <spacewanderlzx@gmail.com>
2021-06-16 17:25:50 +08:00

105 lines
3.2 KiB
Markdown

---
title: client-control
---
<!--
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF 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.
#
-->
## Summary
- [**Name**](#name)
- [**Attributes**](#attributes)
- [**How To Enable**](#how-to-enable)
- [**Test Plugin**](#test-plugin)
- [**Disable Plugin**](#disable-plugin)
## Name
The `client-control` plugin dynamically controls the behavior of Nginx to
handle the client request.
This plugin requires APISIX to run on [APISIX-OpenResty](../how-to-build.md#6-build-openresty-for-apisix).
## Attributes
| Name | Type | Requirement | Default | Valid | Description |
| --------- | ------------- | ----------- | ---------- | ------------------------------------------------------------------------ | --------------------------------------------------------------------------------------------------------------------------------------------------- |
| max_body_size | integer | optional | | >= 0 | dynamically set the `client_max_body_size` directive |
## How To Enable
Here's an example, enable this plugin on the specified route:
```shell
curl -i http://127.0.0.1:9080/apisix/admin/routes/1 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d '
{
"uri": "/index.html",
"plugins": {
"client-control": {
"max_body_size" : 1
}
},
"upstream": {
"type": "roundrobin",
"nodes": {
"39.97.63.215:80": 1
}
}
}'
```
## Test Plugin
Use curl to access:
```shell
curl -i http://127.0.0.1:9080/index.html -d '123'
HTTP/1.1 413 Request Entity Too Large
...
<html>
<head><title>413 Request Entity Too Large</title></head>
<body>
<center><h1>413 Request Entity Too Large</h1></center>
<hr><center>openresty</center>
</body>
</html>
```
## Disable Plugin
When you want to disable this plugin, it is very simple,
you can delete the corresponding json configuration in the plugin configuration,
no need to restart the service, it will take effect immediately:
```shell
curl http://127.0.0.1:9080/apisix/admin/routes/1 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d '
{
"uri": "/index.html",
"upstream": {
"type": "roundrobin",
"nodes": {
"39.97.63.215:80": 1
}
}
}'
```
This plugin has been disabled now. It works for other plugins.