Setup kubernetes cluster

followed by tutorial https://github.com/kelseyhightower/kubernetes-the-hard-way

Prerequisites

• Sign up for gcloud https://cloud.google.com/ you will get $300 credits
• download gcloud sdk from https://cloud.google.com/sdk/gcloud/
• setup gcloud choose a zone that close to you geographically
• install golang (for cfssl) from https://golang.org/dl/ and setup go bin to your path
• install cfssl go get -u github.com/cloudflare/cfssl/cmd/...

run script

• provision instance and network

cd provision

./networking.sh

./nodes.sh

• generate cert

cd cert

./generate.sh

• generate kubeconfig

cd kubeconfig

./generate-kubeconfig.sh

• distribute to instance

cd provision

./distribute.sh

• provision etcd

cd etcd

./bootstrap-etcd.sh

• provision controller components

cd controller

./bootstrap-controller.sh

• provision loadbalancer for api server

cd api-loadbalancer

./bootstrap-apilb.sh

• provision worker components

cd worker

./bootstrap-worker.sh

• setup network

cd network

./setup.sh

• setup client

cd client

./setup.sh

• provision dns addon

cd addon

./setup-dnsaddon.sh

validate

cd client

# create a deployment for nginx
kubectl --kubeconfig kubelab.kubeconfig run nginx --image=nginx

# get pod name
POD_NAME=$(kubectl --kubeconfig kubelab.kubeconfig get pods -l run=nginx -o jsonpath="{.items[0].metadata.name}")

# port forward
kubectl --kubeconfig kubelab.kubeconfig port-forward $POD_NAME 8080:80

open http://127.0.0.1:8080

cleanup

after finish the lab, cleanup the resource

cd cleanup

./cleanup-instances.sh
./cleanup-network.sh