CoreOS Cluster on GCE

cloud-config.yaml

#cloud-config

coreos:
  etcd2:
    # generate a new token for each unique cluster from https://discovery.etcd.io/new?size=3
    # specify the initial size of your cluster with ?size=X
    discovery: https://discovery.etcd.io/
    # multi-region and multi-cloud deployments need to use $public_ipv4
    advertise-client-urls: http://$private_ipv4:2379,http://$private_ipv4:4001
    initial-advertise-peer-urls: http://$private_ipv4:2380
    # listen on both the official ports and the legacy ports
    # legacy ports can be omitted if your application doesn't depend on them
    listen-client-urls: http://0.0.0.0:2379,http://0.0.0.0:4001
    listen-peer-urls: http://$private_ipv4:2380,http://$private_ipv4:7001
  fleet:
    public-ip: $private_ipv4
  units:
    - name: etcd2.service
      command: start
    - name: fleet.service
      command: start

gistfile2.txt

gcloud compute instances create core1 core2 core3 --image https://www.googleapis.com/compute/v1/projects/coreos-cloud/global/images/coreos-stable-1122-2-0-v20160906 --zone europe-west1-b --machine-type f1-micro --metadata-from-file user-data=cloud-config.yaml 

CoreOS