transparent-huge-pages

Manage transparent-huge-pages system settings.

Requirements

This role requires Ansible 2.8 or higher, and platform requirements are listed in the metadata file.

Testing

This role use Molecule to run tests.

Local and Github Actions tests run tests on Docker by default. See molecule documentation to use other backend.

Currently, tests are done on:

• CentOS 7
• CentOS 8
• Debian Buster
• Debian Stretch
• Ubuntu Bionic
• Ubuntu Focal

and use:

• Ansible 2.8.x
• Ansible 2.9.x

Running tests

Using Docker driver

$ tox

You can also configure molecule options and molecule command using environment variables:

• MOLECULE_OPTIONS Default: "--debug"
• MOLECULE_COMMAND Default: "test"

$ MOLECULE_OPTIONS='' MOLECULE_COMMAND=converge tox

Role Variables

Default role variables

# Service file content
thp_sys_settings: "{{ _thp_sys_settings | default([]) }}"

# Service type
thp_use_init_file: "{{ _thp_use_init_file | default(True) }}"

# Service settings
thp_service_name: 'disable-transparent-huge-pages'
thp_service_enabled: True

# Init services
thp_init_file:
  path: "/etc/init.d/{{ thp_service_name }}"
  owner: 'root'
  group: 'root'
  mode: '0755'
thp_init_x_start_before: []

Debian family OS variables

_thp_sys_settings:
  - key: '/sys/kernel/mm/transparent_hugepage/enabled'
    value: 'never'
  - key: '/sys/kernel/mm/transparent_hugepage/defrag'
    value: 'never'

Dependencies

None

Example Playbook

- hosts: servers
  roles:
    - { role: infOpen.transparent-huge-pages }

License

MIT

Author Information

Alexandre Chaussier (for Infopen company)

• https://www.infopen.pro
• a.chaussier [at] infopen.pro