controller_ulimits¶
Role Documentation¶
Welcome to the “controller_ulimits” role documentation.
Role Defaults¶
This section highlights all of the defaults and variables set within the “controller_ulimits” role.
nofiles_min: 1024
nproc_min: 2048
Role Variables: main.yml¶
metadata:
name: Check controller ulimits
description: >
This will check the ulimits of each controller.
groups:
- post-deployment
Molecule Scenarios¶
Molecule is being used to test the “controller_ulimits” role. The following section highlights the drivers in service and provides an example playbook showing how the role is leveraged.
- Driver: podman
Scenario: default¶
Molecule Platform(s)¶
- name: centos
hostname: centos
image: centos/centos:stream8
registry:
url: quay.io
dockerfile: ../../../../.config/molecule/Dockerfile
pkg_extras: python*-setuptools python*-pyyaml
volumes:
- /etc/ci/mirror_info.sh:/etc/ci/mirror_info.sh:ro
privileged: true
environment:
http_proxy: "{{ lookup('env', 'http_proxy') }}"
https_proxy: "{{ lookup('env', 'https_proxy') }}"
ulimits:
- host
Molecule Inventory¶
hosts:
all:
hosts:
centos:
ansible_python_interpreter: /usr/bin/python3
Example default playbook¶
- name: Converge
hosts: all
gather_facts: false
tasks:
- block:
- include_role:
name: controller_ulimits
vars:
nofiles_min: 102400
nproc_min: 512
rescue:
- name: Clear host errors
meta: clear_host_errors
- debug:
msg: The validation works for detecting nofiles_min!
- block:
- include_role:
name: controller_ulimits
vars:
nofiles_min: 512
nproc_min: 204800
rescue:
- name: Clear host errors
meta: clear_host_errors
- debug:
msg: >-
The validation works for detecting noproc_min!
End of playbook run.
- name: End play
meta: end_play
- name: Fail the test
fail:
msg: |
The controller-ulimits failed detecting bad limits