2-deploy-kubeadm-nodes.sh

#!/bin/bash
NODES=$(echo worker{1..2})
for NODE in ${NODES}; do multipass launch --name ${NODE} --cpus 2 --mem 2G --disk 8G; done

for NODE in ${NODES}; do
multipass exec ${NODE} -- bash -c 'wget https://packages.cloud.google.com/apt/doc/apt-key.gpg'
multipass exec ${NODE} -- bash -c 'sudo apt-key add apt-key.gpg'
multipass exec ${NODE} -- bash -c 'sudo apt-add-repository "deb http://apt.kubernetes.io/ kubernetes-xenial main"'
multipass exec ${NODE} -- bash -c 'sudo apt-get update && apt-get install -y apt-transport-https'
multipass exec ${NODE} -- bash -c 'curl https://releases.rancher.com/install-docker/18.09.sh | sh'
# Setup daemon.
multipass transfer daemon.json ${NODE}:
multipass exec ${NODE} -- bash -c 'sudo cp /home/ubuntu/daemon.json /etc/docker/daemon.json'
multipass exec ${NODE} -- bash -c 'sudo mkdir -p /etc/systemd/system/docker.service.d'
# Restart docker.
multipass exec ${NODE} -- bash -c 'sudo systemctl daemon-reload'
multipass exec ${NODE} -- bash -c 'sudo systemctl restart docker'
multipass exec ${NODE} -- bash -c 'sudo usermod -aG docker ubuntu'
multipass exec ${NODE} -- bash -c 'sudo apt-get install -y kubelet kubeadm kubectl'
multipass exec ${NODE} -- bash -c 'sudo apt-mark hold kubelet kubeadm kubectl'
multipass exec ${NODE} -- bash -c 'sudo swapoff -a'
multipass exec ${NODE} -- bash -c  "sudo sed -i '/ swap / s/^\(.*\)$/#\1/g' /etc/fstab"
multipass exec ${NODE} -- bash -c 'sudo sysctl net.bridge.bridge-nf-call-iptables=1'
multipass exec ${NODE} -- bash -c 'sudo systemctl enable kubelet.service'
done

echo "Now running kubeadm join nodes"
echo "We're ready soon :-)"