---
# file: roles/performance_tuning/tasks/main.yaml

- name: Performance Tuning - Install Distribution - Release - Machine Prerequisites
  package:
    name: "{{ packages | flatten(levels=1) }}"
    state: latest
    update_cache: true
  tags:
    - install-dependencies

- name: Performance Tuning - Configure {{ ansible_machine }} kernel parameters
  lineinfile:
    path: "/etc/default/grub"
    state: "present"
    regexp: "^GRUB_CMDLINE_LINUX="
    line: {{ grub_cmdline_linux[ansible_machine] }}
  notify:
    - "Update GRUB"
    - "Reboot server"
  tags:
    - set-grub

- name: Performance Tuning - Turbo boost
  import_tasks: turbo_boost.yaml
  when: >
    cpu_microarchitecture == "skylake" or
    cpu_microarchitecture == "cascadelake"
  tags:
    - turbo-boost

- name: Performance Tuning - Copy CSIT sysctl file
  template:
    src: "files/90-csit"
    dest: "/etc/sysctl.d/90-csit.conf"
    owner: "root"
    group: "root"
    mode: "0644"
  tags:
    - copy-90-csit

- name: Performance Tuning - Copy cpufrequtils file
  copy:
    src: "files/cpufrequtils"
    dest: "/etc/default/cpufrequtils"
    owner: "root"
    group: "root"
    mode: "0644"
  tags:
    - copy-cpufrequtils

- name: Performance Tuning - Set ondemand service to disable
  service:
    name: "ondemand"
    enabled: "no"
  tags:
    - set-ondemand

- name: Performance Tuning - Load kernel modules by default
  lineinfile:
    path: "/etc/modules"
    state: "present"
    line: "{{ item }}"
  with_items:
    - "vfio-pci"
  tags:
    - load-kernel-modules

- meta: flush_handlers