Ansible optimizations role

This is an Ansible role to configure some kernel optimizations.

There are three way to perform this adjusts:

• Adjust sysctl values.
• Configure kernel modules parameters.
• Apply a perfomance profile with tuned daemon.

Role Variables

A list of all the default variables for this role is available in defaults/main.yml.

Example Playbook

This is an example playbook:

---

- hosts: all
  roles:
    - amtega.optimizations
  vars:
    optimizations_nfs: yes
    optimizations_nfs_module:
      - udp_slot_table_entries=64
      - tcp_slot_table_entries=128
      - tcp_max_slot_table_entries=128

    optimizations_tuned_enabled: yes
    optimizations_tuned_profile: virtual-guest

Testing

Tests are based on molecule with vagrant virtual machines.

cd amtega.optimizations

molecule test --all

License

Copyright (C) 2022 AMTEGA - Xunta de Galicia

This role is free software: you can redistribute it and/or modify it under the terms of:

GNU General Public License version 3, or (at your option) any later version; or the European Union Public License, either Version 1.2 or – as soon they will be approved by the European Commission ­subsequent versions of the EUPL.

This role is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details or European Union Public License for more details.

Author Information

• José Enrique Mourón Regueira