check_for_dangling_images¶
Check-for-dangling-images
=========================
Add Ansible role to check for dangling images
Requirements
------------
This role will be executed pre Update.
Role Variables
--------------
* `check_for_dangling_images_debug`: <'false'> -- debugging mode.
Dependencies
------------
No Dependencies
Example Playbook
----------------
- hosts: servers
roles:
- { role: check_for_dangling_images, check_for_dangling_images_debug: true }
License
-------
Apache
Author Information
------------------
Red Hat TripleO DFG:Upgrades
Role Documentation¶
Welcome to the “check_for_dangling_images” role documentation.
Role Defaults¶
This section highlights all of the defaults and variables set within the “check_for_dangling_images” role.
check_for_dangling_images_debug: false
Molecule Scenarios¶
Molecule is being used to test the “check_for_dangling_images” 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: ../../../../.config/molecule/Dockerfile
environment:
http_proxy: '{{ lookup(''env'', ''http_proxy'') }}'
https_proxy: '{{ lookup(''env'', ''https_proxy'') }}'
hostname: centos
image: centos/centos:stream8
name: centos
pkg_extras: python*-setuptools python*-pyyaml
privileged: true
registry:
url: quay.io
ulimits:
- host
volumes:
- /etc/ci/mirror_info.sh:/etc/ci/mirror_info.sh:ro
provisioner:
env:
ANSIBLE_LIBRARY: ${ANSIBLE_LIBRARY:-/usr/share/ansible/plugins/modules}
ANSIBLE_ROLES_PATH: ${ANSIBLE_ROLES_PATH}:${HOME}/zuul-jobs/roles
ANSIBLE_STDOUT_CALLBACK: yaml
inventory:
hosts:
all:
hosts:
centos:
ansible_python_interpreter: /usr/bin/python3
log: true
name: ansible
options:
vvv: true
scenario:
test_sequence:
- destroy
- create
- prepare
- converge
- verify
- destroy
verifier:
name: ansible
Molecule Inventory¶
hosts:
all:
hosts:
centos:
ansible_python_interpreter: /usr/bin/python3
Example default playbook¶
- gather_facts: false
hosts: all
name: Converge
tasks:
- copy:
content: '#!/bin/bash
'
dest: /usr/bin/podman
mode: 493
name: Populate successful podman CLI
- include_role:
name: check_for_dangling_images
name: Test good values
- copy:
content: '#!/bin/bash
echo 4199acc83c6a43243392aecbff22764dbb501aef81a26d7c4c8c69064f84ef47
'
dest: /usr/bin/podman
mode: 493
name: Populate failing podman CLI
- block:
- include_role:
name: check_for_dangling_images
name: Catch when images exist
name: Test failing
rescue:
- meta: clear_host_errors
name: Clear host errors
- debug:
msg: The validation works! End the playbook run
- meta: end_play
name: End play
- fail:
msg: 'Found dangling podman images
'
name: Fail the test