---
- name: HEIMLAN NFS Mount stabil und robust
  hosts: all
  become: true
  gather_facts: true

  vars:
    mount_path: /mnt/HEIMLAN
    nfs_export: "/volume1/HEIMLAN"

  tasks:

    # ------------------------------------------------------------
    # 1. NFS Client Installation
    # ------------------------------------------------------------

    - name: Debian/Ubuntu NFS Client installieren
      apt:
        name: nfs-common
        state: present
        update_cache: true
      when: ansible_os_family == "Debian"

    - name: RedHat NFS Client installieren
      yum:
        name: nfs-utils
        state: present
      when: ansible_os_family == "RedHat"

    # ------------------------------------------------------------
    # 2. NFS Server Mapping (robust, kein Fail bei unbekannten Netzen)
    # ------------------------------------------------------------

    - name: NFS Server bestimmen
      set_fact:
        nfs_server: >-
          {% if ansible_default_ipv4.address.startswith('9.99') %}
          9.99.50.20
          {% else %}
          192.168.1.230
          {% endif %}

    - name: Debug Mapping
      debug:
        msg: "Host {{ ansible_default_ipv4.address }} -> NFS Server {{ nfs_server }}"

    # ------------------------------------------------------------
    # 3. Mountpoint sicherstellen
    # ------------------------------------------------------------

    - name: Mountpoint erstellen
      file:
        path: "{{ mount_path }}"
        state: directory
        mode: "0755"

    # ------------------------------------------------------------
    # 4. Alte kaputte HEIMLAN Einträge entfernen
    # ------------------------------------------------------------

    - name: Alte HEIMLAN fstab Einträge entfernen
      lineinfile:
        path: /etc/fstab
        state: absent
        regexp: 'HEIMLAN'

    # ------------------------------------------------------------
    # 5. Korrekten fstab Eintrag schreiben (kein Whitespace Fehler)
    # ------------------------------------------------------------

    - name: fstab Eintrag setzen (sauber)
      lineinfile:
        path: /etc/fstab
        state: present
        create: true
        insertafter: EOF
        line: "{{ nfs_server | trim }}:{{ nfs_export | trim }} {{ mount_path }} nfs rw,hard,intr,noatime,_netdev,vers=4 0 0"
        regexp: '^{{ nfs_server | trim | regex_escape() }}:{{ nfs_export | trim | regex_escape() }}'

    # ------------------------------------------------------------
    # 6. Mount ausführen
    # ------------------------------------------------------------

    - name: Mount aktivieren
      mount:
        path: "{{ mount_path }}"
        state: mounted
      register: mount_result
      failed_when: false

    # ------------------------------------------------------------
    # 7. Ergebnis
    # ------------------------------------------------------------

    - name: Status anzeigen
      debug:
        msg:
          - "Server: {{ nfs_server }}"
          - "Mount Path: {{ mount_path }}"
          - "Mount changed: {{ mount_result.changed | default(false) }}"