Pi Rack Pro setup script for the Pis in the Pi Rack Pro

setup.yml

# Run this playbook with ansible-playbook -i inventory setup.yml
# In the inventory file, create a group named [rpi] with all the Pis in it
---
- hosts: rpi
  become: true

  vars:
    lcd_library_repo: 'https://github.com/geerlingguy/SKU_RM0004.git'
    lcd_library_version: 'jeff-custom'

  handlers:
    - name: reboot pi
      ansible.builtin.reboot:

  tasks:
    - name: Configure boot config file.
      ansible.builtin.lineinfile:
        line: "{{ item.line }}"
        dest: "/boot/config.txt"
        regexp: "{{ item.regexp }}"
      with_items:
        - line: 'dtoverlay=gpio-shutdown,gpio_pin=4,active_low=1,gpio_pull=up'
          regexp: "^dtoverlay=gpio-shutdown"
        - line: 'dtparam=i2c_arm=on,i2c_arm_baudrate=400000'
          regexp: "^#?dtparam=i2c_arm=on"
      notify: reboot pi

    - name: Ensure PoE fans on Pi are set correctly.
      ansible.builtin.blockinfile:
        path: /boot/config.txt
        block: |
          # PoE Hat Fan Speeds
          dtparam=poe_fan_temp0=55000
          dtparam=poe_fan_temp1=60000
          dtparam=poe_fan_temp2=70000
          dtparam=poe_fan_temp3=80000
      notify: reboot pi

    - name: Clone LCD library.
      ansible.builtin.git:
        repo: '{{ lcd_library_repo }}'
        dest: /opt/SKU_RM0004
        version: '{{ lcd_library_version }}'
      register: lcd_git_checkout

    - name: Clean LCD library if repo changed.
      community.general.make:
        target: clean
        chdir: /opt/SKU_RM0004
      when: lcd_git_checkout is changed

    - name: Compile LCD library.
      community.general.make:
        chdir: /opt/SKU_RM0004

    - name: Configure systemd unit for LCD library.
      ansible.builtin.copy:
        dest: /usr/lib/systemd/system/lcd_display.service
        mode: 0644
        content: |
          [Unit]
          Description=LCD Library

          [Service]
          WorkingDirectory=/opt/SKU_RM0004
          ExecStart=/opt/SKU_RM0004/display
          Restart=always

          [Install]
          WantedBy=multi-user.target
      register: systemd_unit

    - name: Force a systemd daemon reload if needed.
      ansible.builtin.systemd:
        daemon_reload: true
      when: systemd_unit is changed

    - name: Ensure LCD library is started and enabled on boot.
      ansible.builtin.systemd:
        name: lcd_display
        state: started
        enabled: true