k8s-setup.yml

---
- hosts: all
  become: yes
  tasks:
    - name: Install dependencies
      apt: 
        name: 
          - apt-transport-https
          - curl
          - docker.io
          - gnupg2
          - software-properties-common
        update_cache: yes
        state: present

    - name: Disable swap
      command: swapoff -a
      ignore_errors: yes

    - name: Ensure swap is disabled permanently
      replace:
        path: /etc/fstab
        regexp: '^\s*swap\s'
        replace: '#swap was disabled by Ansible'

    - name: Load necessary kernel modules
      modprobe:
        name: "{{ item }}"
      with_items:
        - br_netfilter
        - overlay

    - name: Ensure kernel modules are loaded on boot
      copy:
        dest: /etc/modules-load.d/kubernetes.conf
        content: |
          br_netfilter
          overlay

    - name: Set sysctl parameters
      sysctl:
        name: "{{ item.key }}"
        value: "{{ item.value }}"
        sysctl_set: yes
        state: present
        reload: yes
      with_items:
        - { key: 'net.bridge.bridge-nf-call-iptables', value: 1 }
        - { key: 'net.ipv4.ip_forward', value: 1 }
        - { key: 'net.bridge.bridge-nf-call-ip6tables', value: 1 }

    - name: Add Kubernetes APT repository
      apt_repository:
        repo: deb http://apt.kubernetes.io/ kubernetes-xenial main
        state: present
        filename: kubernetes

    - name: Install kubelet, kubeadm, and kubectl
      apt:
        name:
          - kubelet
          - kubeadm
          - kubectl
        state: present
        update_cache: yes