The krakend-martian package integrates the martian project into the KrakenD framework.
Add your martian DSL definition under the "github.com/devopsfaith/krakend-martian" namespace of the backend section of the config file
"extra_config": {
"github.com/devopsfaith/krakend-martian": {}
}
More details here: https://github.com/google/martian#modifiers-all-the-way-down
Check the example folder for a complete demo.
- Build and run krakend edition with martian
$ cd example
$ go install ./...
$ GOPATH/bin/example -c example/krakend.json -d -p 8000
- Send a request to the configured endpoint
$ curl -i 127.0.0.1:8000/supu
HTTP/1.1 200 OK
Cache-Control: public, max-age=0
Content-Type: application/json; charset=utf-8
X-Krakend: Version undefined
X-Krakend-Completed: true
Date: Tue, 17 Jul 2018 11:56:33 GMT
Content-Length: 19
{"msg":"you rock!"}
And check the logs of the KrakenD: the request modifiers have done their job!
See how {"msg":"you rock!"} was added to the payload.
[KRAKEND] ▶ DEBUG config: {[0xc4201839a0] 3s 3.6µs [] 8000 2 map[github_com/devopsfaith/krakend-gologging:map[prefix:[KRAKEND] stdout:true level:DEBUG syslog:false]] 0s 0s 0s 0s false false 0 250 0s 0s 0s 0s 0s 0s false <nil> true 1}
[KRAKEND] ▶ DEBUG Debug enabled
[KRAKEND] ▶ DEBUG Method: GET
[KRAKEND] ▶ DEBUG URL: /__debug/supu
[KRAKEND] ▶ DEBUG Query: map[]
[KRAKEND] ▶ DEBUG Params: [{param /supu}]
[KRAKEND] ▶ DEBUG Headers: map[User-Agent:[KrakenD Version undefined] Content-Length:[19] Content-Type:[] X-Forwarded-For:[127.0.0.1] Accept-Encoding:[gzip]]
[KRAKEND] ▶ DEBUG Body: {"msg":"you rock!"}
[GIN] | 200 | 313.798µs | 127.0.0.1 | GET /__debug/supu
[GIN] | 200 | 1.556445ms | 127.0.0.1 | GET /supu