- name: Install lxcfs
  package:
    name: lxcfs
    state: present
  become: true

- name: Enable and start lxcfs service
  systemd:
    name: lxcfs
    state: started
    enabled: true
  become: true

# 不同发行版 lxcfs 挂载点可能为 /var/lib/lxc/lxcfs、/var/lib/lxcfs 等，启动后从 /proc/mounts 与常见目录探测
- name: Detect lxcfs mount path on target host
  ansible.builtin.shell: |
    set -eu
    p="$(awk '$3=="fuse.lxcfs" {print $2; exit}' /proc/mounts 2>/dev/null || true)"
    if [ -n "${p:-}" ]; then printf '%s' "$p"; exit 0; fi
    p="$(awk '/lxcfs/ && /fuse/ {print $2; exit}' /proc/mounts 2>/dev/null || true)"
    if [ -n "${p:-}" ]; then printf '%s' "$p"; exit 0; fi
    for d in /var/lib/lxc/lxcfs /var/lib/lxcfs; do
      if [ -d "$d" ] && { [ -e "$d/proc/uptime" ] || [ -d "$d/proc" ]; }; then
        printf '%s' "$d"
        exit 0
      fi
    done
    for d in /var/lib/lxc/lxcfs /var/lib/lxcfs; do
      if [ -d "$d" ]; then printf '%s' "$d"; exit 0; fi
    done
    exit 1
  args:
    executable: /bin/bash
  register: lxcfs_path_detect
  changed_when: false
  become: true
  retries: 8
  delay: 2
  until: lxcfs_path_detect.rc == 0 and (lxcfs_path_detect.stdout | default('') | trim | length > 0)

- name: Set lxcfs_path in host.conf from detected path
  ansible.builtin.lineinfile:
    path: /etc/yunion/host.conf
    regexp: '^lxcfs_path:'
    line: "lxcfs_path: {{ lxcfs_path_detect.stdout | trim }}"
    state: present
    create: true
    mode: '0644'
  become: true