stonith_exists¶
Role Documentation¶
Welcome to the “stonith_exists” role documentation.
Role Variables: main.yml¶
metadata:
name: Validate stonith devices
description: >
Verify that stonith devices are configured for your OpenStack Platform HA cluster.
We don't configure stonith device with TripleO Installer. Because the hardware
configuration may be differ in each environment and requires different fence agents.
How to configure fencing please read
https://access.redhat.com/documentation/en/red-hat-openstack-platform/8/paged/director-installation-and-usage/86-fencing-the-controller-nodes
groups:
- post-deployment
Molecule Scenarios¶
Molecule is being used to test the “stonith_exists” 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
tasks:
- name: Safe run
include_role:
name: stonith_exists
- name: Fail the validation
block:
- name: Faulty pcs script
copy:
dest: /usr/bin/pcs
mode: 0755
content: |
#!/bin/sh
echo "NO stonith devices configured"
exit 0
- name: Run validation
include_role:
name: stonith_exists
rescue:
- name: Clear host errors
meta: clear_host_errors
- name: Test output
debug:
msg: The validation works! End play
- name: End play
meta: end_play
- name: Fail playbook if reached
fail:
msg: |
The stonith_exists validation didn't properly detect failed
stonith config