undercloud_process_count¶
An Ansible role to check the number of OpenStack processes on the Undercloud
Requirements¶
This role requires an installed and working Undercloud
Role Variables¶
max_process_count: <‘8’> – Maximum number of process
Dependencies¶
No dependencies.
Example Playbook¶
- hosts: servers
roles:
- { role: undercloud-process-count }
License¶
Apache
Author Information¶
Red Hat TripleO Validations Team
Full Description¶
Role Documentation¶
Welcome to the “undercloud_process_count” role documentation.
Role Defaults¶
This section highlights all of the defaults and variables set within the “undercloud_process_count” role.
max_process_count: 8
Role Variables: main.yaml¶
metadata:
name: Check the number of OpenStack processes on undercloud
description: >
The default settings for OpenStack is to run one process (heat-engine,
keystone, etc.) per CPU core. On a machine with a lot of cores this is
both unnecessary and can consume a significant amount of RAM, leading
to crashes due to OOMKiller.
groups:
- pre-deployment
Molecule Scenarios¶
Molecule is being used to test the “undercloud_process_count” role. The following section highlights the drivers in service and provides an example playbook showing how the role is leveraged.
- Driver: podman
Scenario: default¶
- 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
hosts:
all:
hosts:
centos:
ansible_python_interpreter: /usr/bin/python3
- name: Converge
hosts: all
gather_facts: false
tasks:
- name: Warn developers about the lack of molecule testing
fail:
msg: >-
This role needs molecule tests!