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proxy-rewrite
APISIX
Plugin
Proxy Rewrite
proxy-rewrite
This document contains information about the Apache APISIX proxy-rewrite Plugin.

Description

The proxy-rewrite Plugin rewrites Upstream proxy information such as scheme, uri and host.

Attributes

Name Type Required Default Valid values Description
scheme string False "http" ["http", "https"] New upstream protocol scheme. This option is deprecated. Instead, it is recommended to set the scheme field in the Upstream.
uri string False New Upstream forwarding address. Value supports Nginx variables. For example, $arg_name.
method string False ["GET", "POST", "PUT", "HEAD", "DELETE", "OPTIONS","MKCOL", "COPY", "MOVE", "PROPFIND", "PROPFIND","LOCK", "UNLOCK", "PATCH", "TRACE"] Rewrites the HTTP method.
regex_uri array[string] False New upstream forwarding address. Regular expressions can be used to match the URL from client. If it matches, the URL template is forwarded to the Upstream otherwise, the URL from the client is forwarded. When both uri and regex_uri are configured, uri is used first. For example, [" ^/iresty/(.*)/(.*)/(.*)", "/$1-$2-$3"]. Here, the first element is the regular expression to match and the second element is the URL template forwarded to the Upstream.
host string False New Upstream host address.
headers object False New Upstream headers. Headers are overwritten if they are already present otherwise, they are added to the present headers. To remove a header, set the header value to an empty string. The values in the header can contain Nginx variables like $remote_addr and $client_addr.

Enabling the Plugin

The example below enables the proxy-rewrite Plugin on a specific Route:

curl http://127.0.0.1:9080/apisix/admin/routes/1  -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d '
{
    "methods": ["GET"],
    "uri": "/test/index.html",
    "plugins": {
        "proxy-rewrite": {
            "uri": "/test/home.html",
            "scheme": "http",
            "host": "iresty.com",
            "headers": {
                "X-Api-Version": "v1",
                "X-Api-Engine": "apisix",
                "X-Api-useless": ""
            }
        }
    },
    "upstream": {
        "type": "roundrobin",
        "nodes": {
            "127.0.0.1:80": 1
        }
    }
}'

Example usage

Once you have enabled the Plugin as mentioned below, you can test the Route:

curl -X GET http://127.0.0.1:9080/test/index.html

Once you send the request, you can check the Upstream access.log for its output:

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

Disable Plugin

To disable the proxy-rewrite Plugin, you can delete the corresponding JSON configuration from the Plugin configuration. APISIX will automatically reload and you do not have to restart for this to take effect.

curl http://127.0.0.1:9080/apisix/admin/routes/1  -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d '
{
    "methods": ["GET"],
    "uri": "/test/index.html",
    "plugins": {},
    "upstream": {
        "type": "roundrobin",
        "nodes": {
            "127.0.0.1:80": 1
        }
    }
}'