---
- name: Generate fstab content
  ansible.builtin.command:
    argv:
      - genfstab
      - -LU
      - /mnt
  register: configuration_fstab_result
  changed_when: false

- name: Write fstab
  ansible.builtin.copy:
    dest: /mnt/etc/fstab
    content: "{{ configuration_fstab_result.stdout }}\n"
    owner: root
    group: root
    mode: "0644"

- name: Remove deprecated attr2 and disable large extent
  when: os | lower in ["almalinux", "rhel8", "rhel9", "rhel10", "rocky"] and filesystem == "xfs"
  ansible.builtin.replace:
    path: /mnt/etc/fstab
    regexp: "(xfs.*?)(attr2)"
    replace: '\1allocsize=64m'

- name: Replace ISO UUID entry with /dev/sr0 in fstab
  when: os in ["rhel8", "rhel9", "rhel10"]
  vars:
    configuration_fstab_dvd_line: >-
      {{
        '/usr/local/install/redhat/rhel.iso /usr/local/install/redhat/dvd iso9660 loop,nofail 0 0'
        if hypervisor == 'vmware'
        else '/dev/sr0 /usr/local/install/redhat/dvd iso9660 ro,relatime,nojoliet,check=s,map=n,nofail 0 0'
      }}
  ansible.builtin.lineinfile:
    path: /mnt/etc/fstab
    regexp: '^.*\/dvd.*$'
    line: "{{ configuration_fstab_dvd_line }}"
    state: present

- name: Write image from RHEL ISO to the target machine
  when: os in ["rhel8", "rhel9", "rhel10"] and hypervisor == 'vmware'
  ansible.builtin.command:
    argv:
      - dd
      - if=/dev/sr1
      - of=/mnt/usr/local/install/redhat/rhel.iso
      - bs=4M
    creates: /mnt/usr/local/install/redhat/rhel.iso
  register: configuration_rhel_iso_result
  changed_when: configuration_rhel_iso_result.rc == 0

- name: Ensure TempFS is configured in fstab
  ansible.builtin.lineinfile:
    path: /mnt/etc/fstab
    regexp: "{{ fstab_entry.regexp }}"
    line: "{{ fstab_entry.line }}"
    insertafter: EOF
  loop:
    - {regexp: '^# TempFS$', line: '# TempFS'}
    - {regexp: '^tmpfs\\s+/tmp\\s+', line: 'tmpfs           /tmp            tmpfs           defaults,nosuid,nodev,noexec    0 0'}
    - {regexp: '^tmpfs\\s+/var/tmp\\s+', line: 'tmpfs           /var/tmp        tmpfs           defaults,nosuid,nodev,noexec    0 0'}
    - {regexp: '^tmpfs\\s+/dev/shm\\s+', line: 'tmpfs           /dev/shm        tmpfs           defaults,nosuid,nodev,noexec    0 0'}
  loop_control:
    loop_var: fstab_entry