Route to different Service based on header with same path

[pramodbabua]

/api with header service=service1 should route to backend service 1
/api with header service=service2 should route to backed service 2

I was able to achieve it by writing HTTPRoute as below,

 rules:
 - matches:
   - path:
       type: PathPrefix
       value: /api
     headers:
      - type: Exact
        name: service
        value: echo
   backendRefs:
      - name: echo
        kind: Service
        port: 1027 
 - matches:
   - path:
       type: PathPrefix
       value: /api
     headers:
      - type: Exact
        name: service
        value: httpbin
   backendRefs:
      - name: httpbin
        kind: Service
        port: 80

Is there a cleaner way to achieve this rather than rewriting the pathprefix for every match?

[programmer04]

Unfortunately @pramodbabua you have to do it like that. It's the only way that HTTRoute allows. In case when you match for the root path - / you can omit the whole path section because by default every route without a path specified matches /.

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[pramodbabua]

Would be nice if that root path is configurable in httproute

[programmer04]

The Gateway API is a part of SIG Network, and this repository kubernetes-sigs/gateway-api contains the specification and Custom Resource Definitions (CRDs) for HTTPRoute, etc. They are in charge of their shape. Kong only implements the specification. So please put your proposition there. But I can tell you since HTTPRoute has v1 level support they are unlikely to change anything in the foreseeable future

[pramodbabua]

Closing the discussion here.
Started discussion in [kubernetes-sigs/gateway-api] (kubernetes-sigs/gateway-api#3331)