homeserver/roles/mgrote_proxmox_bind_mounts/tasks/bm.yml

---
- name: read config
  become: true
  ansible.builtin.shell:
    cmd: "set -o pipefail &&  pct config {{ item.vmid }} | grep \"mp{{ item.mp_nr }}: {{ item.mp_path_host }},mp={{ item.mp_path_guest }}\""
    executable: /bin/bash
  register: config
  changed_when: false
  failed_when: false
  # prüfe ob bind mount schon vorhanden ist
  # exit-code wird unten geprüft

#  - name: debug config
#    ansible.builtin.debug:
#      msg: "{{ config }}"

- name: add bind mounts to container # noqa no-changed-when
  become: true
  ansible.builtin.command: "pct set {{ item.vmid }} -mp{{ item.mp_nr }} {{ item.mp_path_host }},mp={{ item.mp_path_guest }}"
  register: restart
  changed_when:
    - "(restart.rc == 25) OR (restart.rc == 0)"
  failed_when:
    - restart.rc != 25
  notify: restart lxc
  # füge bind-mount hinzu falls er fehlt, also rc ungleich 0
  # pro bind-mount
  when:
    - not ansible_check_mode
    - not config.rc == 0
  # überspringe wenn in check-mode

  # schreibe vm id in die Liste "reboot"
- name: set reboot list # noqa no-handler var-naming[pattern]
  ansible.builtin.set_fact:
    reboot:
      - "{{ item.vmid }}"
  when: restart.changed

  # Füge die leere Liste "lists_merged" aus den defaults, mit der Liste "reboot" zusammen. Nur wenn auch etwas geändert wurde, daher "when:..."
- name: merge reboot lists # noqa no-handler
  ansible.builtin.set_fact:
    lists_merged: "{{ lists_merged + reboot }}"
  when: restart.changed
  # https://blog.crisp.se/2016/10/20/maxwenzin/how-to-append-to-lists-in-ansible

#  - name: debug config
#    ansible.builtin.debug:
#      msg: "{{ lists_merged | unique }}"
   # unique Filter sorgt dafür das es keine doppelten Elemente gibt
   # https://docs.ansible.com/ansible/latest/user_guide/playbooks_filters.html#set-theory-filters
   # https://www.reddit.com/r/ansible/comments/8cp86c/how_do_i_remove_duplicate_items_from_a_variable/