xoxys.k3s/tasks/init.yml

---
- name: Ensure k3s-init service is stopped
  ansible.builtin.service:
    name: k3s-init
    state: stopped
  failed_when: False

- name: Clean previous runs of k3s-init
  ansible.builtin.command: systemctl reset-failed k3s-init # noqa command-instead-of-module
  failed_when: False
  changed_when: False

- name: Init cluster inside the transient k3s-init service
  ansible.builtin.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 }}"
  register: __k3s_init

- name: Wait for k3s-init to finish
  when: __k3s_init.changed | bool # noqa no-handler
  block:
    - name: Verify that all nodes actually joined
      ansible.builtin.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
      ansible.builtin.command: journalctl --all --unit=k3s-init.service
      changed_when: False
      register: __k3s_init_log

    - name: Save k3s-init logs
      ansible.builtin.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
      ansible.builtin.service:
        name: k3s-init
        state: stopped
      failed_when: False