readnessgate-controller

use label to control readnessgate

test

• expose the pod to create a endpoint

kubectl expose pod centos --port=80 --target-port=80

• label pods to change condition

kubectl label pod centos example="true" --overwrite
kubectl label pod centos example="false" --overwrite

• get the condition of pod

kubectl get pods centos -o json | jq .status.conditions