Files
computer-playbook/roles/sys-svc-docker
Kevin Veen-Birkenbach 716ebef33b Refactor task includes and update variable handling for Ansible 2.20 migration
This commit updates multiple roles to ensure compatibility with Ansible 2.20.
Several include paths and task-loading mechanisms required adjustments,
as Ansible 2.20 applies stricter evaluation rules for complex Jinja expressions
and no longer resolves certain relative include paths the way Ansible 2.18 did.

Key changes:
- Replaced legacy once_finalize.yml and once_flag.yml with the new structure
  under tasks/utils/once/finalize.yml and tasks/utils/once/flag.yml.
- Updated all include_tasks statements to use 'path_join' with playbook_dir,
  ensuring deterministic and absolute file resolution across roles.
- Fixed all network helper includes by converting direct relative paths such as
  'roles/docker-compose/tasks/utils/network.yml' to proper Jinja-evaluated paths.
- Normalized MATOMO_* variable names for consistency with the updated variable
  scope behavior in Ansible 2.20.
- Removed deprecated patterns that were implicitly supported in Ansible 2.18
  but break under the more strict variable and path resolution model in 2.20.

These changes are part of the full migration step required to ensure the
infinito-nexus roles remain stable, deterministic, and forward-compatible with
Ansible 2.20.

Details of the discussion and reasoning can be found in this conversation:
https://chatgpt.com/share/69300a8d-24d4-800f-bec0-e895a695618a
2025-12-03 11:02:34 +01:00
..

Docker Server

Description

This role installs and maintains the Docker service, including Docker Compose, on Linux systems.
It is part of the Infinito.Nexus Project, maintained and developed by Kevin Veen-Birkenbach.

Overview

The role ensures that Docker and Docker Compose are present, integrates essential backup, repair, and health check roles, and supports cleanup or full reset modes for a fresh Docker environment.
When enabled via MODE_CLEANUP or MODE_RESET, it will automatically prune unused Docker resources.
MODE_RESET additionally restarts the Docker service after cleanup.

Features

  • Automated Installation
    Installs Docker and Docker Compose via the system package manager.

  • Integrated Dependencies
    Includes backup, repair, and health check sub-roles

  • Cleanup & Reset Modes

    • MODE_CLEANUP: Removes unused Docker containers, networks, images, and volumes.
    • MODE_RESET: Performs cleanup and restarts the Docker service.
  • Handler Integration
    Restart handler ensures the Docker daemon is reloaded when necessary.

License

This role is released under the Infinito.Nexus NonCommercial License (CNCL).
See license details.

Author Information

Kevin Veen-Birkenbach
Consulting & Coaching Solutions
https://www.veen.world