Setting up A\B split between services in Kubernetes using Nginx Ingress Canary feature
I have been wanting to setup an A\B split with specific weight ratio between two services in my cluster, but had no clue how to achieve that. I am aware of the fact that if I were to use almost any Service mesh such as I stio, Linkerd, Consul , and etc... then this would be something that is supported out of the box, but how about when I don't have Service mesh? Well, I did a little bit of research and at the first sight I didn't find much clue on how this can be achieved. Take a look at below image to understand what I am trying to achieve here: As you can see, I have my Ingress Controller with two services, what I am trying to achieve is that when my nginx controller get the request is routes it 70% of the time to Service A, and 30% of the time to Service B. After digging a little further I found the answer lies in the nginx official document here . it's a annotation called Canary that enables routing between services using either of the following conditions: Header : yo...