xoxys.k3s/tasks/init.yml

---
- block:
    - name: Ensure k3s-init service is stopped
      systemd:
        name: k3s-init
        state: stopped
      failed_when: False

    - name: Clean previous runs of k3s-init
      command: systemctl reset-failed k3s-init
      failed_when: False
      changed_when: False
      args:
        warn: False

    - name: Init cluster inside the transient k3s-init service
      command:
        cmd: >-
          systemd-run
            -p RestartSec=2
            -p Restart=on-failure
            --unit=k3s-init
            {{ __k3s_binary }} server {{ __k3s_server_init_args }}
        creates: "{{ __k3s_service_file }}"
      args:
        warn: False
      register: __k3s_init
  become: True
  become_user: root

- block:
    - name: Verify that all nodes actually joined
      command: >-
        {{ __k3s_binary }} kubectl get nodes
          -l "node-role.kubernetes.io/control-plane=true"
          -o=jsonpath="{.items[*].metadata.name}"
      register: __k3s_init_nodes
      until: __k3s_init_nodes.rc == 0 and (__k3s_init_nodes.stdout.split() | length) == (k3s_server_nodes | length)
      retries: 30
      delay: 10
      changed_when: False
  always:
    - name: Fetch k3s-init logs
      command: journalctl --all --unit=k3s-init.service
      changed_when: False
      register: __k3s_init_log

    - name: Save k3s-init logs
      copy:
        content: "{{ __k3s_init_log.stdout }}"
        dest: "{{ __k3s_log_dir }}/k3s-init.log"
        mode: 0640
      when: k3s_init_log_enabled | bool

    - name: Kill the temporary service used for initialization
      systemd:
        name: k3s-init
        state: stopped
      failed_when: False
  become: True
  become_user: root
  when: __k3s_init.changed | bool