2019-10-31 09:27:28 +08:00
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# this work for additional information regarding copyright ownership.
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# http://www.apache.org/licenses/LICENSE-2.0
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-->
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2019-09-27 15:14:49 +08:00
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[English](proxy-rewrite.md)
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# proxy-rewrite
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上游代理信息重写插件。
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#### 配置参数
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|名字 |可选|说明|
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|------- |-----|------|
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2019-10-15 16:06:28 +08:00
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|scheme |可选| 转发到上游的新 `schema` 协议，可以是 `http` 或 `https`，默认 `http` 协议|
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|uri |可选| 转发到上游的新 `uri` 地址|
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2020-01-06 12:01:03 +08:00
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|regex_uri |可选| 转发到上游的新 `uri` 地址, 使用正则表达式匹配来自客户端的uri，当匹配成功后使用模板替换转发到上游的uri, 未匹配成功时将客户端请求的uri转发至上游。当`uri`和`regex_uri`同时存在时，`uri`优先被使用。例如：["^/iresty/(.*)/(.*)/(.*)","/$1-$2-$3"] 第一个元素代表匹配来自客户端请求的uri正则表达式，第二个元素代表匹配成功后转发到上游的uri模板|
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2019-10-15 16:06:28 +08:00
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|host |可选| 转发到上游的新 `host` 地址，例如：`iresty.com` |
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|headers |可选| 转发到上游的新`headers`，可以设置多个。头信息如果存在将重写，不存在则添加。想要删除某个 header 的话，把对应的值设置为空字符串即可|
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2019-09-27 15:14:49 +08:00
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### 示例
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#### 开启插件
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下面是一个示例，在指定的 route 上开启了 `proxy rewrite` 插件:
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```shell
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2020-03-05 14:48:27 +08:00
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curl http://127.0.0.1:9080/apisix/admin/routes/1 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d '
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2019-09-27 15:14:49 +08:00
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{
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"methods": ["GET"],
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"uri": "/test/index.html",
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"plugins": {
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"proxy-rewrite": {
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"uri": "/test/home.html",
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"scheme": "http",
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"host": "iresty.com",
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2019-10-09 15:10:16 +08:00
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"headers": {
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"X-Api-Version": "v1",
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2019-10-15 16:06:28 +08:00
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"X-Api-Engine": "apisix",
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2019-11-14 11:50:15 +08:00
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"X-Api-useless": ""
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2019-10-09 15:10:16 +08:00
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}
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2019-09-27 15:14:49 +08:00
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}
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},
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"upstream": {
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"type": "roundrobin",
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"nodes": {
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"127.0.0.1:80": 1
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}
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}
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}'
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```
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#### 测试插件
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基于上述配置进行测试：
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```shell
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curl -X GET http://127.0.0.1:9080/test/index.html
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```
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发送请求，查看上游服务`access.log`，如果输出信息与配置一致：
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```
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127.0.0.1 - [26/Sep/2019:10:52:20 +0800] iresty.com GET /test/home.html HTTP/1.1 200 38 - curl/7.29.0 - 0.000 199 107
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```
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即表示 `proxy rewrite` 插件生效了。
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#### 禁用插件
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当你想去掉 `proxy rewrite` 插件的时候，很简单，在插件的配置中把对应的 json 配置删除即可，无须重启服务，即刻生效：
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```shell
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2020-03-05 14:48:27 +08:00
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curl http://127.0.0.1:9080/apisix/admin/routes/1 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d '
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2019-09-27 15:14:49 +08:00
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{
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"methods": ["GET"],
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"uri": "/test/index.html",
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"plugins": {},
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"upstream": {
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"type": "roundrobin",
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"nodes": {
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"127.0.0.1:80": 1
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}
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}
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}'
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```
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现在就已经移除了 `proxy rewrite` 插件了。其他插件的开启和移除也是同样的方法。
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