---
- name: Disable and turn off Bluetooth on Raspberry Pi
  hosts: all_nodes
  become: true

  tasks:
  
    # 1. Stop the Bluetooth service immediately
    - name: Stop Bluetooth service
      systemd:
        name: bluetooth
        state: stopped
        enabled: false
  
    # 2. Disable Bluetooth modules in the configuration
    - name: Disable Bluetooth by blacklisting the module
      ansible.builtin.lineinfile:
        path: /etc/modprobe.d/raspi-blacklist.conf    # Create or modify blacklist file
        line: "blacklist btbcm"
        create: yes
        state: present
  
    - name: Add blacklist for the hci_uart module (Raspberry Pi specific Bluetooth module)
      ansible.builtin.lineinfile:
        path: /etc/modprobe.d/raspi-blacklist.conf
        line: "blacklist hci_uart"
        create: yes
        state: present
  
    # 3. Disable Bluetooth  services in system configuration (optional)
    - name: Disable Bluetooth in /boot/config.txt (Raspberry Pi specific)
      ansible.builtin.lineinfile:
        path: /boot/config.txt
        regexp: "^#?dtoverlay=disable-bt"
        line: "dtoverlay=disable-bt"
        state: present

    - name: Ensure no Bluetooth devices can wake up the Raspberry Pi
      ansible.builtin.lineinfile:
        path: /boot/config.txt
        regexp: "^#?dtoverlay=disable-bt"
        line: "dtoverlay=disable-bt"
        state: present

    # 4. Reboot the system to apply the changes (recommended)
    - name: Reboot the system to apply the disabling of Bluetooth modules
      ansible.builtin.reboot:
        msg: "Rebooting to fully apply Bluetooth disable changes."
        connect_timeout: 5
        reboot_timeout: 300