---
# Disable swap immediately (safe even if no swap)
- name: Turn off all swap immediately
  ansible.builtin.command: swapoff -a
  changed_when: false
  failed_when: false

# Remove swap entries from /etc/fstab (prevents swap re-enabling on reboot)
- name: Remove swap entries from /etc/fstab
  ansible.builtin.lineinfile:
    path: /etc/fstab
    state: absent
    regexp: '^\s*[^#].*\s+swap\s+'
  notify: reload systemd

# If dphys-swapfile is installed (common on Raspberry Pi OS), disable it
- name: Check if dphys-swapfile is installed
  ansible.builtin.command: dpkg -s dphys-swapfile
  register: dphys_pkg
  changed_when: false
  failed_when: false

- name: Stop and disable dphys-swapfile service if present
  ansible.builtin.systemd:
    name: dphys-swapfile
    state: stopped
    enabled: false
  when: dphys_pkg.rc == 0
  failed_when: false

- name: Uninstall dphys-swapfile if present
  ansible.builtin.apt:
    name: dphys-swapfile
    state: absent
    purge: true
    update_cache: false
  when: dphys_pkg.rc == 0

# Disable zram-tools if installed (some images enable zram swap)
- name: Check if zram-tools is installed
  ansible.builtin.command: dpkg -s zram-tools
  register: zram_pkg
  changed_when: false
  failed_when: false

- name: Stop and disable zramswap service if present
  ansible.builtin.systemd:
    name: zramswap
    state: stopped
    enabled: false
  when: zram_pkg.rc == 0
  failed_when: false

# Disable systemd-swap if installed (less common but possible)
- name: Check if systemd-swap is installed
  ansible.builtin.command: dpkg -s systemd-swap
  register: systemd_swap_pkg
  changed_when: false
  failed_when: false

- name: Stop and disable systemd-swap if present
  ansible.builtin.systemd:
    name: systemd-swap
    state: stopped
    enabled: false
  when: systemd_swap_pkg.rc == 0
  failed_when: false

# Optional: reduce swappiness (won't prevent swapping if swap exists, but good belt-and-suspenders)
- name: Set vm.swappiness to 0
  ansible.builtin.sysctl:
    name: vm.swappiness
    value: "0"
    state: present
    reload: true

# Final verification command (for logs)
- name: Show active swap devices
  ansible.builtin.command: swapon --show
  register: swapon_show
  changed_when: false
  failed_when: false

- name: Print swapon --show
  ansible.builtin.debug:
    var: swapon_show.stdout_lines