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homelab/.gitea/scripts/README-update-readme.md
2025-11-07 15:29:04 +02:00

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# Auto-Update README Workflow
## Overview
This workflow automatically updates the `README.md` file with the current list of ArgoCD applications based on the directory structure in `k8s/`.
## How it works
1. **Trigger**: Workflow runs automatically when changes are pushed to `k8s/**` paths
2. **Scan**: Python script scans `k8s/` directory structure and finds all applications
3. **Generate**: Creates README.md with badges for all found applications
4. **Create PR**: If changes detected, creates a Merge Request for manual review
## Files
- `.gitea/workflows/update-readme.yaml` - GitHub Actions workflow
- `.gitea/scripts/generate-readme.py` - Python script for README generation
## Directory Structure
The script expects the following k8s directory structure:
```
k8s/
├── core/ # Core infrastructure applications
│ ├── argocd/
│ ├── authentik/
│ └── ...
├── apps/ # User applications
│ ├── gitea/
│ ├── immich/
│ └── ...
└── games/ # Game servers
├── minecraft/
└── ...
```
Each subdirectory name becomes an application name in the README.
## Required Secrets
The workflow requires the following secrets to be configured in Gitea:
| Secret | Description | Example |
|--------|-------------|---------|
| `GT_URL` | Gitea instance URL | `https://gt.hexor.cy` |
| `GT_TOKEN` | Gitea API token with repo write access | `glpat-xxxxx...` |
| `GT_OWNER` | Repository owner (username or org) | `ab` |
| `GT_REPO` | Repository name | `homelab` |
### How to create a Gitea Token
1. Go to Settings → Applications → Generate New Token
2. Give it a name like "README Update Bot"
3. Select scopes: `repo` (Full control of repositories)
4. Generate and copy the token
5. Add it as a secret in repository settings
## Badge Format
Badges are generated using a predictable pattern:
```markdown
[![app-name](https://ag.hexor.cy/api/badge?name=app-name&revision=true)](https://ag.hexor.cy/applications/argocd/app-name)
```
This allows you to immediately see which applications are:
- ✅ Healthy and synced (green badge)
- ⚠️ Degraded or out of sync (yellow badge)
- ❌ Unhealthy or failed (red badge)
## Manual Trigger
You can manually trigger the workflow from Gitea:
1. Go to Actions tab
2. Select "Auto-update README" workflow
3. Click "Run workflow"
4. Select branch and run
## Example Output
The generated README will look like:
```markdown
# homelab
ArgoCD homelab project
## ArgoCD Applications Status
| Application | Status |
| :--- | :---: |
| **argocd** | [![argocd](https://ag.hexor.cy/api/badge?name=argocd&revision=true)](https://ag.hexor.cy/applications/argocd/argocd) |
...
```
## Reviewing Pull Requests
When the workflow creates a PR:
1. Check the Actions tab for the workflow run details
2. Review the PR in the Pull Requests tab
3. Verify the application list matches your k8s/ structure
4. Merge when ready
The PR will include:
- Updated application list
- Timestamp of generation
- Automatic commit message
## Troubleshooting
### No PR created
- Check if there are actually changes in README.md
- Verify secrets are configured correctly
- Check workflow logs in Actions tab
### Wrong applications listed
- Verify k8s/ directory structure
- Ensure folder names match expected application names
- Check for hidden directories (starting with `.`)
### Badge not loading
- Verify ArgoCD badge API is accessible at `https://ag.hexor.cy`
- Check application name matches ArgoCD application name
- Ensure application exists in ArgoCD
## Maintenance
### Update badge URL
If you need to change the badge URL pattern, edit:
- `.gitea/scripts/generate-readme.py` - function `generate_badge_line()`
### Change workflow trigger
To modify when the workflow runs, edit:
- `.gitea/workflows/update-readme.yaml` - `on:` section
### Add new categories
To add new categories (besides core/apps/games), edit:
- `.gitea/scripts/generate-readme.py` - function `scan_k8s_directory()` and `generate_readme_content()`