Ansible Role: system.bootstrap_kubernetes

• Description: An Ansible Role to Bootstrap Kubernetes on BareMetal/Virtual Machines

• Overview: An Ansible role to install Kubernetes across various operating systems and CPU architectures in a controlled, versioned manner with configurable CNI plugins.

Requirements

• Ansible 2.9+
• Supported OS:
  • Ubuntu (focal, bionic, jammy)
  • Debian (buster, bullseye)
  • CentOS/RHEL (7, 8, 9)
  • SUSE (openSUSE Leap 15.x, SLES 12-SP5, 15-SPx, Tumbleweed)
• Supported Architectures:
  • x86_64
  • arm64

Role Variables

Variable	Default	Description
kubernetes_version	1.26.0	Kubernetes version to install
cni_plugin	calico	CNI plugin to use (calico, flannel, weave)
pod_network_cidr	192.168.0.0/16	Pod network CIDR (adjust based on CNI requirements)
k8s_admin_user	{{ ansible_user }}	User to configure kube config
supported_architectures	["x86_64", "arm64"]	List of supported CPU architectures
arch_packages	See below	Mapping of architectures to Kubernetes package names

arch_packages Structure

arch_packages:
  x86_64:
    kubelet: "kubelet-{{ kubernetes_version }}"
    kubeadm: "kubeadm-{{ kubernetes_version }}"
    kubectl: "kubectl-{{ kubernetes_version }}"
  arm64:
    kubelet: "kubelet-{{ kubernetes_version }}"
    kubeadm: "kubeadm-{{ kubernetes_version }}"
    kubectl: "kubectl-{{ kubernetes_version }}"