Simple Kubernetes demo
Note: These instructions assume you have a Google Cloud Platform project with billing enabled and Google Cloud SDK installed
- Point your browser at your Google Developers Console.
- Navigate to: Projects->{your-project-name}->APIs & auth->APIs.
- Ensure the following APIs are enabled:
- Google Cloud Storage
- Google Cloud Container Engine API
- Google Compute Engine
- Update gcloud
gcloud components update- Create a cluster
- Create a 500MB blank PD called 'demo-mysql-disk' in the same zone as the cluster
- Pull down the credentials locally with gcloud container clusters get-credentials
- git clone https://github.com/dbergqvist/k8s_demo.git
- cd k8s_demo/mysql-guestbook
- run: kubectl proxy --www=gcp-live-k8s-visualizer-v1/
- Connect to http://localhost:8001/static (from a new shell, the other is blocked by the proxy call)
- Deploy everything while monitoring the viz
- kubectl create -f mysql-server
- kubectl create -f memcached
- kubectl create -f frontend-service.yaml // takes while for Ingress IP to appear)
- kubectl create -f frontend-rc-v1.yaml
- Connect to the app
- Scale the fronted rc
- kubectl scale rc frontend-rc-v1 --replicas=6
- kubectl scale rc frontend-rc-v1 --replicas=3
- Do a rolling up date
- kubectl rolling update frontend-rc-v1 -f frontend-rc-v2.yaml --update-period=2s
- Refresh the app to see the update
- kubectl delete -f mysql-server
- kubectl delete -f memcached-server/
- kubectl delete -f frontend-service.yaml
- kubectl delete -f frontend-rc-v2.yaml
- kubectl delete -f frontend-rc-v1.yaml