ansible/roles/app_setup/README.md
ilia 69a39e5e5b Add POTE app project support and improve IP conflict detection (#3)
## Summary

This PR adds comprehensive support for deploying the **POTE** application project via Ansible, along with improvements to IP conflict detection and a new app stack provisioning system for Proxmox-managed LXC containers.

## Key Features

### 🆕 New Roles
- **`roles/pote`**: Python/venv deployment role for POTE (PostgreSQL, cron jobs, Alembic migrations)
- **`roles/app_setup`**: Generic app deployment role (Node.js/systemd)
- **`roles/base_os`**: Base OS hardening role

### 🛡️ Safety Improvements
- IP uniqueness validation within projects
- Proxmox-side IP conflict detection
- Enhanced error messages for IP conflicts

### 📦 New Playbooks
- `playbooks/app/site.yml`: End-to-end app stack deployment
- `playbooks/app/provision_vms.yml`: Proxmox guest provisioning
- `playbooks/app/configure_app.yml`: OS + application configuration

## Security
-  All secrets stored in encrypted vault.yml
-  Deploy keys excluded via .gitignore
-  No plaintext secrets committed

## Testing
-  POTE successfully deployed to dev/qa/prod environments
-  All components validated (Git, PostgreSQL, cron, migrations)

Co-authored-by: ilia <ilia@levkin.ca>
Reviewed-on: #3
2026-01-01 11:19:54 -05:00

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# `app_setup`
Creates the standard app filesystem layout and runtime services:
- `/srv/app/backend` and `/srv/app/frontend`
- `/srv/app/.env.<dev|qa|prod>`
- `/usr/local/bin/deploy_app.sh` (git pull, install deps, build, migrate, restart services)
- systemd units:
- `app-backend.service`
- `app-frontend.service`
All behavior is driven by variables so you can reuse this role for multiple projects.
## Variables
See [`defaults/main.yml`](defaults/main.yml). Common inputs in the app stack:
- `app_project`, `app_env` (used for naming and `.env.<env>` selection)
- `app_repo_url`, `app_repo_dest`, `app_repo_branch`
- `app_env_vars` (map written into `/srv/app/.env.<env>`)
- `components.backend`, `components.frontend` (enable/disable backend/frontend setup)
- `app_backend_dir`, `app_frontend_dir`, ports and Node.js commands