Install Microk8s offline

Introduction :

MicroK8s is the smallest, fastest, fully-conformant Kubernetes that tracks upstream releases and makes clustering trivial. MicroK8s is great for offline development, prototyping, and testing. Use it on a VM as a small, cheap, reliable k8s for CI/CD. It’s also the best production-grade Kubernetes for appliances.

Prerequisites

Please ensure that the installation of microk8s is performed on a machine.

Get the required files :

Connect ssh on a machine with the same operating system will be deployed. This machine must be connected internet.

ubuntu@ashish:~$ apt-get update
ubuntu@ashish:~$ sudo snap install microk8s --classic --channel=1.26

2. Check Microk8s status

ubuntu@ashish:~$ sudo microk8s.status

3. Enable Microk8s dns, ingress, registry, storage, dashboard plugin.

ubuntu@ashish:~$ sudo microk8s enable dns ingress registry storage dashboard

4. list of microk8s image list

ubuntu@ashish:~$ sudo microk8s ctr image list

5. Download Microk8s offline snap packages

ubuntu@ashish:~$ sudo snap download  microk8s --channel=1.26

6. Download all Microk8s native images.

ubuntu@ashish:~/a/microk8s_native_images$
ubuntu@ashish:~/a$ cd microk8s_native_images/
ubuntu@ashish:~/a/microk8s_native_images$ for i in $(sudo microk8s ctr images ls | grep -v REF |awk -F ' '  '{print $1}'); do  sudo microk8s ctr images export $(echo $i|sed 's+/+-+g').tgz $i ; done

Optional:

Download Specific image

ubuntu@ashish:~/a/microk8s_native_images/a$ sudo microk8s ctr image export calico.cni:v3.23.5.tar docker.io/calico/cni:v3.23.5