---
# Disable Transparent Huge Pages (recommended for database workloads). RedHat
# uses a tuned profile; Debian uses a small systemd service.
- name: "Install tuned"
  ansible.builtin.dnf:
    name: "tuned"
    state: "latest"
  when: ansible_facts["os_family"] == "RedHat"

- name: "Create tuned nothp_profile directory"
  ansible.builtin.file:
    path: '/etc/tuned/nothp_profile'
    state: "directory"
    mode: '0755'
    owner: 'root'
    group: 'root'
  when: ansible_facts["os_family"] == "RedHat"

- name: "Set up nothp_profile tuned.conf file"
  ansible.builtin.copy:
    src: "./nothp_profile_tuned.conf"
    dest: "/etc/tuned/nothp_profile/tuned.conf"
    owner: "root"
    group: "root"
    mode: '0755'
  when: ansible_facts["os_family"] == "RedHat"

- name: "Disable transparent huge pages"
  ansible.builtin.copy:
    src: "./disable-thp.service"
    dest: "/etc/systemd/system/disable-thp.service"
    owner: "root"
    group: "root"
    mode: '0755'
  notify: "Start THP"
  when: ansible_facts["os_family"] == "Debian"