---

- name: Link data directory to HDD if requested
  when:
    - use_hdd_directory
    - hdd_target_dir is defined
  block:

    - name: Check source directory
      stat:
        path: "{{ hdd_source_dir }}"
        follow: no # to check if it is a link
        get_attributes: no
        get_checksum: no
        get_mime: no
      register: source_dir_info

    - name: Ensure that source directory is not already used
      fail:
        msg: >-
          Source directory {{ hdd_source_dir | quote }} already used,
          please shutdown service and transfer data manually
      when:
        - source_dir_info.stat.exists and not source_dir_info.stat.islnk

    - name: Create target directory on HDD
      file:
        state: directory
        path: "{{ hdd_target_dir }}"

    - name: Create link from source to target
      file:
        state: link
        src: "{{ hdd_target_dir }}"
        dest: "{{ hdd_source_dir }}"