setup-microk8s-on-multipass

Bootstrap Microk8s cluster on multipass VMs.

How to bootstrap

1. Install multipass.

2. Create a microk8s master node.

   $ multipass launch -n microk8s-master --cloud-init cloud-config.yaml

   cloud-config.yaml enables multipass to install the snap package of microk8s and add the default user muitipass to microk8s group on the launch phase automatically.

3. Create microk8s worker nodes as many as you want.

   $ for i in 1 2 3 do
       multipass launch -n microk8s-worker-$i --cloud-init cloud-config.yaml
   done

4. Issues join token on the master node by microk8s.add-node command.

   multipass@microk8s-master:~$ microk8s.add-node
   Join node with: microk8s.join 192.168.64.7:25000/vThtnbGvNzhERWuJQEPsjeFZPWfAAHkf

5. Join the master node on each worker nodes by microk8s.join command.

   multipass@microk8s-worker-1:~$ microk8s.join 192.168.64.7:25000/vThtnbGvNzhERWuJQEPsjeFZPWfAAHkf

6. Confirm the worker nodes has successed to join the microk8s cluster.

   multipass@microk8s-master:~$ microk8s.kubectl get no
   NAME              STATUS   ROLES    AGE   VERSION
   192.168.64.8      Ready    <none>   30s   v1.16.0
   microk8s-master   Ready    <none>   20m   v1.16.0