undercloud_process_count¶
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:
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 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.
Scenario: default¶
Example default configuration¶
driver:
name: podman
log: true
platforms:
- dockerfile: Dockerfile
environment:
http_proxy: '{{ lookup(''env'', ''http_proxy'') }}'
https_proxy: '{{ lookup(''env'', ''https_proxy'') }}'
hostname: ubi8
image: ubi8/ubi-init
name: ubi8
pkg_extras: python*-setuptools
privileged: true
registry:
url: registry.access.redhat.com
ulimits:
- host
volumes:
- /etc/ci/mirror_info.sh:/etc/ci/mirror_info.sh:ro
- /etc/pki/rpm-gpg:/etc/pki/rpm-gpg
- /opt/yum.repos.d:/etc/yum.repos.d:rw
provisioner:
env:
ANSIBLE_LIBRARY: ${ANSIBLE_LIBRARY:-/usr/share/ansible/plugins/modules}
ANSIBLE_STDOUT_CALLBACK: yaml
inventory:
hosts:
all:
hosts:
ubi8:
ansible_python_interpreter: /usr/bin/python3
log: true
name: ansible
scenario:
test_sequence:
- destroy
- create
- prepare
- converge
- verify
- destroy
verifier:
name: testinfra
Molecule Inventory¶
hosts:
all:
hosts:
ubi8:
ansible_python_interpreter: /usr/bin/python3
Example default playbook¶
- gather_facts: false
hosts: all
name: Converge
tasks:
- fail:
msg: This role needs molecule tests!
name: Warn developers about the lack of molecule testing