Welcome to the “undercloud_process_count” role documentation.
This section highlights all of the defaults and variables set within the “undercloud_process_count” role.
max_process_count: 8
metadata:
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
name: Check the number of OpenStack processes on undercloud
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:
name: docker
log: true
platforms:
- easy_install:
- pip
environment:
http_proxy: '{{ lookup(''env'', ''http_proxy'') }}'
https_proxy: '{{ lookup(''env'', ''https_proxy'') }}'
hostname: centos7
image: centos:7
name: centos7
pkg_extras: python-setuptools python-enum34 python-netaddr ruby epel-release PyYAML
volumes:
- /etc/ci/mirror_info.sh:/etc/ci/mirror_info.sh:ro
- environment:
http_proxy: '{{ lookup(''env'', ''http_proxy'') }}'
https_proxy: '{{ lookup(''env'', ''https_proxy'') }}'
hostname: centos8
image: centos:8
name: centos8
pkg_extras: python*-setuptools python*-enum34 python*-netaddr ruby python*-PyYAML
volumes:
- /etc/ci/mirror_info.sh:/etc/ci/mirror_info.sh:ro
provisioner:
env:
ANSIBLE_LIBRARY: ../../../../library
ANSIBLE_STDOUT_CALLBACK: yaml
log: true
name: ansible
scenario:
test_sequence:
- destroy
- create
- prepare
- converge
- verify
- destroy
verifier:
name: testinfra
- gather_facts: false
hosts: all
name: Converge
tasks:
- fail:
msg: This role needs molecule tests!
name: Warn developers about the lack of molecule testing
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