k8s_offline.sh

#!/bin/bash

echo "Beggining build of offline Kubernetes packages"

echo "Adding Kubernetes repository for image pull"

curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
cat <<EOF >/etc/apt/sources.list.d/kubernetes.list
deb https://apt.kubernetes.io/ kubernetes-xenial main
EOF
echo "Updating package list"

sudo apt-get update

echo "Downloading kubernetes packages"
mkdir kubernetes; cd kubernetes
apt-get download kubelet=1.12.3-00
apt-get download kubeadm=1.12.3-00
apt-get download kubectl=1.12.3-00
apt-get download kubernetes-cni
apt-get download cri-tools
apt-get download ethtool
apt-get download socat
apt-get download ebtables

echo "Building tar ball"
cd ..
tar -cvzf kubernetes_pkg.tar.gz ./kubernetes
echo "To tidy type: rm -rf ./kubernetes"

echo "Downloading Docker images for Kubernetes"
docker pull k8s.gcr.io/kube-apiserver:v1.12.3
docker pull k8s.gcr.io/kube-controller-manager:v1.12.3
docker pull k8s.gcr.io/kube-scheduler:v1.12.3
docker pull k8s.gcr.io/kube-proxy:v1.12.3
docker pull k8s.gcr.io/pause:3.1
docker pull k8s.gcr.io/etcd:3.2.24
docker pull k8s.gcr.io/coredns:1.2.2

echo "Building Image tar ball"
docker save -o k8s_images.tar k8s.gcr.io/kube-apiserver:v1.12.3 k8s.gcr.io/kube-controller-manager:v1.12.3 k8s.gcr.io/kube-scheduler:v1.12.3 k8s.gcr.io/kube-proxy:v1.12.3 k8s.gc
r.io/pause:3.1 k8s.gcr.io/etcd:3.2.24 k8s.gcr.io/coredns:1.2.2
chmod 544 k8s_images.tar