#cloud-config
# <script>location.href='https://github.com/sciabarracom/kubepass'</script>
apt_update: true
apt_upgrade: true
package_update: true
package_upgrade: true
package_reboot_if_required: false
runcmd:
 - |
   N="$(hostname | sed -e 's/[^0-9]*//')" ;
   IF="$(ip -o -4 route show to default | awk '{print $5}')" ;
   IP="$((N+10))" ;
   printf "network:\n version: 2\n renderer: networkd\n ethernets:\n  $IF:\n    addresses:\n     - 10.0.0.$IP/24" | tee /etc/netplan/90-static.yaml
 - netplan apply 
 - snap install microk8s --classic
 - ufw allow in on cni0 && sudo ufw allow out on cni0
 - ufw default allow routed
 - microk8s start
 - microk8s status -w
 - | 
   N="$(hostname | sed -e 's/[^0-9]*//')" ;
   OUT="$(ip -o -4 route show to default | awk '{print $9}')" ;
   if test "$N" = "0"
   then microk8s enable dns storage ingress ;
        for I in $(seq 1 9) ; do microk8s add-node -t "${I}123456789abcdef0123456789abcdef" ; done ;
        microk8s config | sed -e "s|server: https://10.0.0.10:16443|server: https://$OUT:16443|" >/etc/kubeconfig
   else while ! microk8s join "10.0.0.10:25000/${N}123456789abcdef0123456789abcdef"
        do echo retrying to join... ; sleep 10
        done
   fi