• Use https://github.com/Kong/kong-dist-kubernetes to run Kong
• Start a Service B that uses ncat to listen on 8080 and a Kong sidecar
• Start a Service A that sends date to Service B and a Kong sidecar
• Configure Kong and the pod iptables to send all traffic transparently through Kong

Prerequisites

• kubectl
• access to a Kubernetes cluster

If you're running Linux and have docker installed you can use the Make task to install minikube. WARNING the Make task will delete / recreate a minikube cluster with --vm-driver none

make setup_minikube

Running

make run
kubectl get deployment kong-rc

Wait for the Kong control plane to be running

kubectl get deployment kong-rc
NAME      READY   UP-TO-DATE   AVAILABLE   AGE
kong-rc   3/3     3            3           6m19s

Run the two mock services

make run_services

Service B logs

kubectl logs -l app=serviceb -c serviceb
Fri Dec 7 19:46:51 UTC 2018
Ncat: Connection from 172.17.0.1.
Ncat: Connection from 172.17.0.1:53192.
Fri Dec 7 19:46:53 UTC 2018

Kong mesh logs.

kubectl logs -l app=servicea -c kong
172.17.0.13 [07/Dec/2018:19:47:58 +0000] TCP 200 0 0 0.000
2018/12/07 19:48:00 [info] 39#0: *18352 client 172.17.0.13:53772 connected to 0.0.0.0:7000
2018/12/07 19:48:00 [debug] 39#0: *18352 stream [lua] init.lua:628: balancer(): setting address (try 1): 10.100.100.10:8080
2018/12/07 19:48:00 [info] 39#0: *18352 proxy 172.17.0.13:53774 connected to 10.100.100.10:8080
2018/12/07 19:48:00 [info] 39#0: *18352 client disconnected, bytes from/to client:0/0, bytes from/to upstream:0/28
172.17.0.13 [07/Dec/2018:19:48:00 +0000] TCP 200 0 0 0.000

Terminating

make clean