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kevinveenbirkenbachandClaude Opus 5
c55f508e05
The cosmos generator linked a consumer to its provider only through an '<role>' in group_names reference or an explicit provides: name. A hard dependency has neither -- pinning the provider on unconditionally is exactly what removes the Jinja reference the generator was reading -- so web-svc-asset's bond to web-svc-file vanished from the diagram the moment it became binding. Match a service key against the provider's own primary key from the registry, in both directions. Services the role turns off drew a solid 1:1 edge, claiming a mandatory relationship for something that carries nothing at deploy time. They now render as a red 0..0 edge; edge merging gained a real precedence so a provider consumed through two keys stays live when only one is off. Named colour, not hex: a '#' opens an entity code in the mermaid lexer and turns the whole diagram into a parse error on GitHub. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
49 lines
2.4 KiB
Markdown
49 lines
2.4 KiB
Markdown
# Cleanup Backups Service
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## Description
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This role automates the cleanup of old backups by executing a Python script that deletes outdated backup versions based on disk usage thresholds. It ensures that backup storage does not exceed a defined usage percentage.
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## Overview
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Optimized for effective disk space management, this role:
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- Installs required packages (e.g. [lsof](https://en.wikipedia.org/wiki/Lsof) and [psutil](https://pypi.org/project/psutil/)) using pacman.
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- Creates a directory for storing cleanup scripts.
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- Deploys a Python script that deletes old backup directories when disk usage is too high.
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- Configures a systemd service to run the cleanup script, with notifications via [sys-ctl-alm-compose](../sys-ctl-alm-compose/README.md).
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## Cosmos
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The diagram places Cleanup Backups Service 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).
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```mermaid
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flowchart LR
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subgraph role [sys-ctl-cln-bkps 💻]
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svc_bkps["bkps"]
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end
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```
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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`.
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## Purpose
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The primary purpose of this role is to maintain optimal backup storage by automatically removing outdated backup versions when disk usage exceeds a specified threshold.
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## Features
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- **Automated Cleanup:** Executes a Python script to delete old backups.
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- **Threshold-Based Deletion:** Removes backups based on disk usage percentage.
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- **Systemd Integration:** Configures a systemd service to run cleanup tasks.
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- **Dependency Integration:** Works in conjunction with related roles for comprehensive backup management.
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## Other Resources
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- <https://stackoverflow.com/questions/48929553/get-hard-disk-size-in-python>
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## Credits
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Implemented by **[Kevin Veen-Birkenbach](https://www.veen.world)**.
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Part of the [Infinito.Nexus Project](https://s.infinito.nexus/code) and maintained by [Kevin Veen-Birkenbach](https://www.veen.world).
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Licensed under the [Infinito.Nexus Community License (Non-Commercial)](https://s.infinito.nexus/license).
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