For more background info please goto the following site where the complete tutorial is written out, this a TLDR;-walkthrough. https://cloud.google.com/kubernetes-engine/docs/tutorials/persistent-disk#step_3_set_up_mysql
Here you can also find the Manifest Yaml-files needed to follow along.
In the GCP Console carry out the following commands:
Setup
gcloud config set compute/zone europe-west4-b
gcloud container clusters create persistent-disk-tutorial --num-nodes=3
gcloud compute disks create --size 200GB mysql-disk
gcloud compute disks create --size 200GB wordpress-disk
kubectl create secret generic mysql --from-literal=password=[YOUR_PASSWORD]
Demo Part 1
make sure your in the right directory..
kubectl create -f mysql.yaml
kubectl get pod -l app=mysql
kubectl create -f mysql-service.yaml
kubectl get service mysql
kubectl create -f wordpress.yaml
kubectl get pod -l app=wordpress
kubectl create -f wordpress-service.yaml
kubectl get svc -l app=wordpress -w
Browser Wordpress setup, connect to External IP
--
Demo Resilience
kubectl get pods -o=wide
kubectl delete pod -l app=mysql
kubectl get pods -o=wide
Cleanup
kubectl delete service wordpress
gcloud compute forwarding-rules list
gcloud container clusters delete persistent-disk-tutorial
gcloud compute disks delete mysql-disk wordpress-disk