homelab/install_kubetools.yml

- name: Install Kube tools (Kubeadm, Kubelet, Kubectl) using OS tools
  hosts: all
  become: yes
  become_method: sudo
  become_user: root
  tasks:
  - name: Install apt tools and accesories
    package:
      name: "{{ item }}"
      state: present
    with_items:
      - "apt-transport-https"
      - "ca-certificates"
      - "curl"
      - "gpg"
  - name: Creates keyrings directory
    file:
      path: /etc/apt/keyrings
      state: directory
      mode: '755'
  - name: Check if keyring exists
    stat:
      path: /etc/apt/keyrings/kubernetes-apt-keyring.gpg
    register: keyring_file
  - name: Install certificate
    command: "{{ item }} chdir=/tmp"
    with_items:
      - "curl -o Release.key -fsSL https://pkgs.k8s.io/core:/stable:/{{ K8S_VERSION }}/deb/Release.key"
      - "gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg Release.key"
      - "rm Release.key"
    when: not keyring_file.stat.exists
  - name: Check if apt repo exists
    stat:
      path: /etc/apt/sources.list.d/kubernetes.list
    register: apt_repo
  - name: Setup APT repo
    copy:
      dest: /etc/apt/sources.list.d/kubernetes.list
      content: "deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/{{ K8S_VERSION }}/deb/ /"
    when: not apt_repo.stat.exists
  - name: Update cache
    apt:
      update_cache: yes
  - name: Setup tools
    package:
      name: "{{ item }}"
      state: present
    with_items:
      - "kubelet"
      - "kubeadm"
      - "kubectl"
  - name: Hold packages
    dpkg_selections:
      name: "{{ item }}"
      selection: hold
    with_items:
      - "kubelet"
      - "kubeadm"
  - name: ensure /etc/default/kubelet exists
    file: 
      path: /etc/default/kubelet
      state: file
  - name: Set containerd in extraargs
    blockinfile:
      dest: /etc/default/kubelet
      block: "KUBELET_EXTRA_ARGS=\"--container-runtime-endpoint=unix:///run/containerd/containerd.sock\""
  - name: Start kubelet
    service:
      name: kubelet
      enabled: true
      state: started