---
# Annotate each worker node with its Longhorn disk config BEFORE helm install.
# Longhorn reads node.longhorn.io/default-disks-config on first node discovery
# and automatically registers the listed mountpoints as storage disks.
- name: Annotate | Set Longhorn disk config on worker nodes
  ansible.builtin.command:
    argv:
      - kubectl
      - annotate
      - node
      - "{{ item }}"
      - node.longhorn.io/create-default-disk=config
      - "node.longhorn.io/default-disks-config={{ _disk_config }}"
      - --overwrite
  vars:
    _disk_config: >-
      {{ '[' + (hostvars[item].longhorn_disks
         | map(attribute='mountpoint')
         | map('regex_replace', '(.+)', '{"path":"\1","allowScheduling":true,"diskType":"filesystem"}')
         | list
         | join(',')) + ']' }}
  environment:
    KUBECONFIG: "{{ longhorn_kubeconfig }}"
    PATH: "/usr/local/bin:/usr/bin:/bin"
  loop: "{{ groups['workers'] }}"
  register: _annotate
  changed_when: "'annotated' in _annotate.stdout"
  failed_when: _annotate.rc != 0