Files
computer-playbook/roles/sys-svc-compose
kevinveenbirkenbachandClaude Opus 5.5 eda6249d7b fix(sys-svc-compose): probe provider networks by their exact name
The network probe used community.docker.docker_network_info, whose
get_network() scans GET /networks and returns the first entry whose Name
equals the requested name OR whose Id starts with it, in a list order that
changes between calls. In main run 38038541631 (Zammad#1, swarm) the
central redis overlay got the ID n8nwzb1q39m3u4k7awwwmt6yg, the probe for
the not yet created provider network "n8n" returned it as existing, the
create step was skipped, docker stack deploy attached hermes to the redis
overlay as "n8n", and the oauth2-proxy then reached the password-protected
central redis by its bare host name: "NOAUTH Authentication required".
The same scan can also return the ID-prefix twin of a network that does
exist, so comparing the returned name alone would turn that network into
"missing" and fail the create with "already exists".

Both probes now run `container network ls --filter name=<entity> --format
'{{json .}}'`, whose name filter never matches an ID. The new lookup
network_driver picks the entry named exactly after the entity and returns
its driver, '' when there is none; the drift checks, their messages and the
create steps all read that one entry. No docker module is left in the file,
so its two docker-module-uses-container-cli suppressions go too.

Verified: on the host daemon GET /networks/<id prefix> returns a network of
another name and docker network ls --filter name=<id prefix> returns
nothing. In ansible-playbook against real docker network ls output the
lookup returned the exact network's driver in 20 of 20 probes beside an
ID-prefix twin, an empty driver (create path) for a missing network and for
a name only contained in a sibling, and the drift path for a foreign
driver. Unit tests cover the same cases; with a substring match instead of
the exact name the two sibling cases fail.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
2026-10-12 18:35:22 +02:00
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Docker Compose

Description

This Ansible role manages Docker Compose project structures and workflows for applications on Arch Linux. It creates dedicated instance directories, manages .env and compose.yml files, and provides automation logic for project reset, rebuild, and startup sequences.

Refer to the Docker Compose documentation and the Arch Wiki – Docker for more details.

Overview

This role creates a flexible directory layout for managing Docker Compose projects across environments. It ensures directories are initialized, optionally reset, and kept clean using internal flags like MODE_RESET or MODE_CLEANUP.

Cosmos

The diagram places Docker Compose in the Infinito.Nexus cosmos: the components it deploys (capabilities), the central services it consumes (dependencies), and its outward reach (federation and bridged external networks).

flowchart LR
    subgraph role [sys-svc-compose 💻]
        svc_svc_compose["svc-compose"]
    end

Solid 1:1 edges are fixed relationships; dashed 0..1 edges are conditional (enabled only in matching deployments); red 0..0 edges are turned off in this role. Node markers show the role's deploy modes (💻 host, 🐳 compose, 🐝 swarm); ❌ marks a service that is explicitly turned off, and ⚙️ an Ansible role dependency declared in meta/main.yml.

Purpose

To offer a centralized, extensible system for managing containerized applications using Docker Compose within the Infinito.Nexus architecture. The role allows easy integration of services, secrets, configurations, and custom behaviors per application.

Features

  • Dynamic Directory Structure: Creates per-application instance folders for Compose setups.
  • Reset Logic: Cleans previous Compose project files and data when MODE_RESET is enabled.
  • Handlers for Runtime Control: Automatically builds, sets up, or restarts containers based on handlers. Notify compose up when rendered files or the service spec changed; notify container recreate when only in-container or in-database state changed and the process must reload it — the latter force-recreates in compose mode and forces a task recreation in swarm mode, where docker stack deploy alone would leave the running task untouched.
  • Template-ready Service Files: Predefined service base and health check templates.
  • Integration Support: Compatible with sys-svc-proxy and other Infinito.Nexus service roles.

Credits

Implemented by Kevin Veen-Birkenbach. Part of the Infinito.Nexus Project and maintained by Kevin Veen-Birkenbach. Licensed under the Infinito.Nexus Community License (Non-Commercial).