## Updates k3s in the entire cluster
- name: Update k3s Control Plane
  hosts: grp_k3s_server
  serial: 1
  gather_facts: false
  become: true
  tasks:
    - name: Update k3s on control plane node
      ansible.builtin.shell: >
        sh <(curl -sfL https://get.k3s.io)
      args:
        executable: /bin/bash
      register: k3s_update

    - name: Print update output
      ansible.builtin.debug:
        var: k3s_update

- name: Update k3s Agents
  hosts: grp_k3s_agent
  serial: 1
  gather_facts: false
  become: true
  tasks:
    - name: Cordon agent node
      ansible.builtin.command: kubectl cordon {{ inventory_hostname }}
      delegate_to: "{{ groups['grp_k3s_server'][0] }}"
      environment:
        KUBECONFIG: /etc/rancher/k3s/k3s.yaml
      ignore_errors: true

    - name: Drain agent node
      ansible.builtin.command: >
        kubectl drain {{ inventory_hostname }}
        --ignore-daemonsets
        --delete-emptydir-data
        --force
        --timeout=60s
      delegate_to: "{{ groups['grp_k3s_server'][0] }}"
      environment:
        KUBECONFIG: /etc/rancher/k3s/k3s.yaml
      ignore_errors: true

    - name: Kill k3s-agent process
      ansible.builtin.shell: k3s-killall.sh
      ignore_errors: true

    - name: Update k3s on agent node
      ansible.builtin.shell: >
        sh <(curl -sfL https://get.k3s.io)
      args:
        executable: /bin/bash
      register: k3s_update

    - name: Restart k3s-agent service
      ansible.builtin.systemd:
        name: k3s-agent
        state: restarted

    - name: Print update output
      ansible.builtin.debug:
        var: k3s_update

    - name: Uncordon agent node
      ansible.builtin.command: kubectl uncordon {{ inventory_hostname }}
      delegate_to: "{{ groups['grp_k3s_server'][0] }}"
      environment:
        KUBECONFIG: /etc/rancher/k3s/k3s.yaml
      ignore_errors: true