Dynamic Admission Reverse Proxy

DARP - the K8S Admission Validation reverse proxy.

Build

make build

Upstream configuration

config.json example:

"upstreams": 
     [
       {
         # Set upstream URL 
         "url": "http://127.0.0.1:8081/validate/route",
         # Set K8S resource 
         "resource": "route"
       },
       {
         "url": "http://127.0.0.1:3000/service",
         "resource": "services"
       }
     ]

Usage example

1. Start the server ./darp server
2. Deploy WebHook configuration oc create -f test/manually/webhook-cfg.yaml
3. Start demo NodeJS server cd test/darp_client && npm start
4. Create good service yaml oc create -f test/manually/good-service.yaml - service creation allowed
5. Create bad service yaml oc create -f test/manually/bad-service.yaml - service creation declined