iiab/roles/1-prep/tasks/raspberry_pi.yml

# Setup specific to the Raspberry Pi

- name: Add a udev rule to transfer hwclock to system clock at dev creation
  template:
    src: 92-rtc-i2c.rules
    dest: /etc/udev/rules.d/92-rtc-i2c.rules
    owner: root
    group: root
    mode: 0644
  when: rtc_id is defined and rtc_id != "none"

# RTC requires a change to the device tree (and reboot)
- name: Check for needing to enable i2c rtc device in config.txt
  lineinfile:
    dest: /boot/config.txt
    line: "dtoverlay=i2c-rtc,{{ rtc_id }}=on"
    state: present
  register: rpiconfig
  when: rtc_id != "none"

- name: Add a udev rule to transfer hwclock to system clock at dev creation
  template:
    src: 92-rtc-i2c.rules
    dest: /etc/udev/rules.d/92-rtc-i2c.rules
    owner: root
    group: root
    mode: 0644
  when: rtc_id != "none"

- name: Pre-install packages
  package:
    name: "{{ item }}"
    state: latest
  with_items:
    - ntp

- name: Increase the swap file size, as kalite pip download fails (debuntu)
  lineinfile:
    regexp: "^CONF_SWAPSIZE"
    line: CONF_SWAPSIZE=500
    dest: /etc/dphys-swapfile
  when: is_debuntu

- name: Restart the swap service (debuntu)
  command: /etc/init.d/dphys-swapfile restart
  when: is_debuntu

- name: Add RPi rootfs resizing service
  template:
    src: "{{ item.src }}"
    dest: "{{ item.dest }}"
    owner: root
    group: root
    mode: "{{ item.mode }}"
  with_items:
    - { src: 'iiab-rpi-max-rootfs.sh', dest: '/usr/sbin/iiab-rpi-max-rootfs.sh', mode: '0755'}
    - { src: 'iiab-rpi-root-resize.service', dest: '/etc/systemd/system/iiab-rpi-root-resize.service', mode: '0644'}

- name: Enable rootfs resizing service
  service:
    name: iiab-rpi-root-resize
    enabled: yes