ansible/docs/guides/app_stack_proxmox.md
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feat(app_setup): improve deployment reliability and add mirrormatch support
- Fix deploy script to handle non-git directories by cloning to temp
  location and moving contents, preserving .env files during clone
- Remove comment lines from env.j2 template to prevent xargs errors
- Add initial deploy task to app_setup role to ensure app is deployed
  before service starts
- Fix migrate command precedence to check env-specific overrides first
- Add sudo to systemctl restart commands in deploy script
- Update documentation with project-specific configuration notes

These changes improve deployment reliability for all app projects while
adding support for mirrormatch-specific requirements (db:push, seeding).
All changes are backward-compatible with existing projects (pote, punimTag).
2026-01-04 16:50:54 -05:00

153 lines
4.9 KiB
Markdown

# Proxmox App Projects (LXC-first)
This guide documents the **modular app-project stack** that provisions Proxmox guests (dev/qa/prod) and configures a full-stack app layout on them.
## What you get
- Proxmox provisioning via API (currently **LXC**; VM support remains via existing `roles/proxmox_vm` KVM path)
- A deployment user (`appuser`) with your SSH key
- `/srv/app/backend` and `/srv/app/frontend`
- Env file `/srv/app/.env.<dev|qa|prod>`
- `/usr/local/bin/deploy_app.sh` to pull the right branch and restart services
- systemd services:
- `app-backend.service`
- `app-frontend.service`
## Where to configure projects
Edit:
- `inventories/production/group_vars/all/main.yml`
Under `app_projects`, define projects like:
- `projectA.repo_url`
- `projectA.envs.dev|qa|prod.ip/gateway/branch`
- `projectA.guest_defaults` (cores/memory/rootfs sizing)
- `projectA.deploy.*` (install/build/migrate/start commands)
- Optional: per-env `backend_seed_cmd` (e.g., `npm run db:seed` for dev/qa)
Adding **projectB** is just adding another top-level `app_projects.projectB` entry.
## Proxmox credentials (vault)
This repo already expects Proxmox connection vars in vault (see existing Proxmox playbooks). Ensure these exist in:
- `inventories/production/group_vars/all/vault.yml` (encrypted)
Common patterns:
- `vault_proxmox_host`: `10.0.10.201`
- `vault_proxmox_user`: e.g. `root@pam` or `ansible@pve`
- `vault_proxmox_node`: e.g. `pve`
- Either:
- `vault_proxmox_password`, or
- `vault_proxmox_token` + `vault_proxmox_token_id`
## Debian LXC template
The LXC provisioning uses `lxc_ostemplate`, defaulting to a Debian 12 template string like:
`local:vztmpl/debian-12-standard_12.7-1_amd64.tar.zst`
If your Proxmox has a different template filename, change `lxc_ostemplate` in `inventories/production/group_vars/all/main.yml`.
## Running it
Provision + configure one project:
```bash
ansible-playbook -i inventories/production playbooks/app/site.yml -e app_project=projectA
```
Provision + configure all projects in `app_projects`:
```bash
ansible-playbook -i inventories/production playbooks/app/site.yml
```
Only provisioning (Proxmox API):
```bash
ansible-playbook -i inventories/production playbooks/app/provision_vms.yml -e app_project=projectA
```
Only OS/app configuration:
```bash
ansible-playbook -i inventories/production playbooks/app/configure_app.yml -e app_project=projectA
```
### Limiting to a single env (dev/qa/prod)
- Pass `-e app_env=dev` (or qa/prod) to provision/configure only that environment for the selected project.
- Example (provision dev only):
```bash
ansible-playbook -i inventories/production playbooks/app/provision_vms.yml -e app_project=mirrormatch -e app_env=dev
```
Configure/dev only:
```bash
ansible-playbook -i inventories/production playbooks/app/configure_app.yml -e app_project=mirrormatch -e app_env=dev
```
### Example: mirrormatch project
- Config lives in `inventories/production/group_vars/all/main.yml` under `app_projects.mirrormatch` (dev/qa/prod guests, repo URL, migrate/start commands, env vars).
- Secrets live in the vault: `vault_mirrormatch_database_url_*` (and optional `vault_mirrormatch_shadow_database_url_*`), plus an optional repo deploy key `vault_mirrormatch_git_ssh_key`.
- Run end-to-end:
```bash
make app PROJECT=mirrormatch
```
Run provisioning only / configure only:
```bash
make app-provision PROJECT=mirrormatch
make app-configure PROJECT=mirrormatch
```
## Optional: SSH aliases on your workstation
To write `~/.ssh/config` entries (disabled by default):
```bash
ansible-playbook -i inventories/production playbooks/app/ssh_client_config.yml -e manage_ssh_config=true -e app_project=projectA
```
This creates aliases like `projectA-dev`, `projectA-qa`, `projectA-prod`.
## Project-Specific Configuration
### Environment-Specific Commands
Projects can override deploy commands per environment:
```yaml
envs:
dev:
backend_migrate_cmd: "npm run db:push" # Override default migrate command
backend_seed_cmd: "npm run db:seed" # Optional: seed database
```
**Precedence order:**
1. `env_def.backend_migrate_cmd` (per-environment override)
2. `project_def.deploy.backend_migrate_cmd` (project default)
3. Global default (`npm run migrate`)
### Environment File Naming
The systemd service uses `EnvironmentFile=/srv/app/.env.<env>` (e.g., `.env.dev`). Systemd loads these variables into the service environment.
**Note:** Next.js has its own env file loading that looks for `.env`, `.env.local`, `.env.production`, etc. If your Next.js app isn't reading env vars, consider:
- Using `.env.local` for dev (Next.js loads this automatically)
- Or ensure your app reads from `process.env` (systemd-injected vars)
### Project Types
- **Standard Node.js apps** (mirrormatch, punimTagBE/FE): Use `app_setup` role
- **Python apps** (pote): Use `pote` role (completely separate deployment path)
Changes to `app_setup` role affect all Node.js projects but are backward-compatible.