# roles/setup_docker_storage/tasks/main.yml

- name: Install LVM tools (if not present)
  ansible.builtin.package:
    name: lvm2
    state: present

- name: Create physical volume
  community.general.lvg:
    pvs: "/dev/{{ docker_disk }}"
    vg: "{{ docker_vg }}"

- name: Check if Docker LV exists
  ansible.builtin.command: "lvs --noheadings -o lv_name {{ docker_vg }}"
  register: lvs_output

- name: Create logical volume for Docker
  community.general.lvol:
    vg: "{{ docker_vg }}"
    lv: "{{ docker_lv }}"
    size: "{{ docker_lv_size }}"
    state: present
  # when: docker_lv not in lvs_output.stdout
  # vars:
  #   docker_lv: "{{ docker_lv }}"

- name: Format logical volume with XFS
  community.general.filesystem:
    fstype: xfs
    dev: "/dev/{{ docker_vg }}/{{ docker_lv }}"
    opts: "-n ftype=1"

- name: Create mount point for Docker volume
  ansible.builtin.file:
    path: "{{ docker_mountpoint }}"
    state: directory
    mode: '0755'

- name: Mount Docker LV to VM filesystem
  ansible.posix.mount:
    path: "{{ docker_mountpoint }}"
    src: "/dev/{{ docker_vg }}/{{ docker_lv }}"
    fstype: xfs
    opts: defaults
    state: mounted

- name: Stop Docker service
  ansible.builtin.systemd:
    name: docker
    state: stopped
    enabled: true

- name: Bind mount new Docker data dir to /var/lib/docker
  ansible.posix.mount:
    path: /var/lib/docker
    src: /docker-data
    fstype: none
    opts: bind
    state: mounted

# - name: Bind mount new Docker data dir to /var/lib/docker
#   ansible.builtin.file:
#     path: /var/lib/docker
#     state: directory
#     mode: '0755'

# - name: Add fstab entry for Docker bind mount
#   ansible.builtin.blockinfile:
#     path: /etc/fstab
#     block: |
#       /mnt/docker-data /var/lib/docker none bind 0 0
#     marker: "# {mark} ANSIBLE MANAGED BLOCK - DOCKER BIND"

- name: Start Docker service
  ansible.builtin.systemd:
    name: docker
    state: started
    enabled: true