machine_setup/ansible/roles/power/tasks/linux.yaml

- name: Install packages
  package:
    name:
      - powertop
      - tlp
    state: present

# - name: Configure TLP
#   lineinfile:
#     path: /etc/tlp.conf
#     regexp: "^{{ item.key }}="
#     line: '{{ item.key }}="{{ item.value }}"'
#   loop: "{{ tlp_config | dict2items }}"
#   when: '" " in item.value'

# - name: Configure TLP
#   lineinfile:
#     path: /etc/tlp.conf
#     regexp: "^{{ item.key }}="
#     line: "{{ item.key }}={{ item.value }}"
#   loop: "{{ tlp_config | dict2items }}"
#   when: '" " not in item.value'

- name: Configure sysctls
  sysctl:
    name: "{{ item.name }}"
    value: "{{ item.value }}"
    state: present
    sysctl_file: /etc/sysctl.d/dirty.conf
  loop:
    - name: vm.dirty_writeback_centisecs
      value: 2000 # Default is 500 (5 seconds)

- name: Configure sysctls
  sysctl:
    name: "{{ item.name }}"
    value: "{{ item.value }}"
    state: present
    sysctl_file: /etc/sysctl.d/laptop.conf
  loop:
    - name: vm.laptop_mode
      value: 5

- name: Enable services
  systemd:
    name: tlp.service
    daemon_reload: yes
    enabled: true