Files
CubelaPetarandClaude Fable 5 37c5f8c9de Sync docs after playbook/structure changes
- ansible/README.md: drop removed shutdown playbook mention
- CLAUDE.md: list nvidia_gpu under custom roles
- sftp README: link the config notes

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-14 10:43:20 +02:00

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# CLAUDE.md
This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
## Rules Set
1. Ask, don't assume. If something is unclear, ask before writing a single line. Never make silent assumptions about intent, architecture, or requirements.
2. Simplest solution first. Always implement the simplest thing that could work. Do not add abstractions or flexibility that weren't explicitly requested.
3. Don't touch unrelated code. If a file or function is not directly part of the current task, do not modify it, even if you think it could be improved.
4. Flag uncertainty explicitly. If you are not confident about an approach or technical detail, say so before proceeding. Confidence without certainty causes more damage than admitting a gap.
## Repository Purpose
Infrastructure as Code and runbooks for Phytron's server infrastructure. Global configuration is done via Ansible; host-specific documentation, scripts, and files live under `server/`.
## Structure
```
ansible/ # Global settings & configuration for all servers
hosts.ini # Inventory: all existing and planned servers with IPs.
# One group per host; group names use underscores
# (phy_z_srv_git), host aliases the real hostnames
# (phy-z-srv-git ansible_host=<IP>)
group_vars/all.yml # Defaults shared by all hosts (incl. ansible_user/port)
group_vars/<group>.yml # Per-host overrides ONLY — no copies of all.yml values
group_vars/secrets.yml # ansible-vault encrypted secrets — never commit plaintext
run.yml # Main playbook
playbooks/ # Utility playbooks (update.yml)
roles/ # Custom roles (nextcloud, nvidia_gpu)
requirements.yml # External Galaxy roles (geerlingguy.*, ...)
justfile # Task runner: just run HOST, just reqs, just vault ACTION
server/<hostname>/ # Host-specific docs, scripts, files
README.md # Server documentation, filled gradually
manuals/ # Runbooks (how-to), dated YYYYMMDD-<topic>.md
notes/ # Assessments, planning docs, working notes (dated)
scripts/ # Host-related helper scripts
HW.md # Hardware specs (where relevant)
```
## Servers
| Hostname | IP | Status |
| ---------------- | ------------- | ------------------------------- |
| phy-z-srv-jira | 192.168.66.41 | configured |
| phy-z-srv-cloud | 192.168.66.66 | configured (Nextcloud) |
| phy-z-srv-git | 192.168.66.67 | configured |
| phy-z-dmz-sftp01 | 192.168.99.68 | configured |
| phy-z-srv-gpu01 | 192.168.66.69 | planned — setup is the next task|
## Conventions
- Ansible commands run from `ansible/`, preferably via the `justfile` (e.g. `just run <HOST>`).
- Secrets go into `ansible/group_vars/secrets.yml`, encrypted with ansible-vault. Never commit plaintext secrets.
- SSH password authentication stays enabled for easy access (servers are not reachable from outside); exception: DMZ hosts like phy-z-dmz-sftp01 are key-only.
- Dated documents (runbooks, assessments) use the `YYYYMMDD-<topic>.md` naming scheme.
- New servers get: an entry in `hosts.ini`, a `group_vars/<group>.yml` (overrides only), and a `server/<hostname>/` folder with a README.