set_context #

Description #

The set_context filter is used to set relevant information for the request context.

Configuration Example #

A simple example is as follows:

flow:
  - name: test
    filter:
      - set_response:
          body: '{"message":"hello world"}'
      - set_context:
          context:
#            _ctx.request.uri: http://baidu.com
#            _ctx.request.path: new_request_path
#            _ctx.request.host: api.infinilabs.com
#            _ctx.request.method: DELETE
#            _ctx.request.body: "hello world"
#            _ctx.request.body_json.explain: true
#            _ctx.request.query_args.from: 100
#            _ctx.request.header.ENV: dev
#            _ctx.response.content_type: "application/json"
#            _ctx.response.header.TIMES: 100
#            _ctx.response.status: 419
#            _ctx.response.body: "new_body"
            _ctx.response.body_json.success: true
      - dump:
          request: true

Parameter Description #

Name	Type	Description
context	map	Request context and corresponding value

A list of supported context variables is provided below:

Name	Type	Description
_ctx.request.uri	string	Complete URL of a request
_ctx.request.path	string	Request path
_ctx.request.host	string	Request host
_ctx.request.method	string	Request method type
_ctx.request.body	string	Request body
_ctx.request.body_json.[JSON_PATH]	string	Path to the JSON request object
_ctx.request.query_args.[KEY]	string	URL query request parameter
_ctx.request.header.[KEY]	string	Request header information
_ctx.response.content_type	string	Request body type
_ctx.response.header.[KEY]	string	Response header information
_ctx.response.status	int	Returned status code
_ctx.response.body	string	Returned response body
_ctx.response.body_json.[JSON_PATH]	string	Path to the JSON response object