Add Ansible role to check for dangling images
This role will be executed pre Update.
check_for_dangling_images_debug: <’false’> – debugging mode.
No Dependencies
hosts: servers roles: - { role: check_for_dangling_images, check_for_dangling_images_debug: true }
Apache
Red Hat TripleO DFG:Upgrades
Welcome to the “check_for_dangling_images” role documentation.
This section highlights all of the defaults and variables set within the “check_for_dangling_images” role.
check_for_dangling_images_debug: false
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.
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/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
hosts:
all:
hosts:
ubi8:
ansible_python_interpreter: /usr/bin/python3
- 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
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