agnes-the-ai-analyst/docs/DEPLOYMENT.md
Vojtech 0bbbf3e40b
feat(tls): corporate-CA HTTPS with URL-driven rotation, on-VM CSR gen, self-signed fallback (#51)
Replaces the implicit Let's Encrypt flow with a general corporate-CA HTTPS path:

- Caddy switches to cert-file mode (`tls /certs/fullchain.pem /certs/privkey.pem`) with HSTS + TLS 1.2/1.3 floor
- New `docker-compose.tls.yml` overlay closes host `:8000` when Caddy fronts (no TLS bypass)
- New `scripts/tls-fetch.sh` — generic URL fetcher for `sm://`, `gs://`, `https://`, `file://` with redirect refusal + PEM validation
- New `scripts/grpn/agnes-tls-rotate.sh` — daily rotation, self-signed fallback against same key (zero key churn), on-VM RSA-2048 + CSR auto-gen, atomic swap, SIGUSR1 reload
- `scripts/grpn/agnes-auto-upgrade.sh` becomes cert-aware (auto-enables tls overlay when certs present)
- Compose profile `production` renamed to `tls` (aligns with DEPLOYMENT.md and infra startup)

Pairs with FoundryAI/agnes-the-ai-analyst-infra#27 (merged) which wires per-VM `local.vm_tls`, writes `TLS_*` env vars into `.env`, auto-creates Secret Manager containers for `sm://` privkey URLs, and installs `agnes-tls-rotate.{service,timer}` for daily polling.

Includes hardening + docs follow-ups from code review:
- `TLS_CSR_SUBJECT` env-var parametrisation applied to both CSR and self-signed cert paths
- curl `--max-redirs 0 --proto '=https'` + post-fetch PEM validation in `tls-fetch.sh`
- `ulimit -c 0` + array-form `COMPOSE_FILES` (POSIX-safe, bash 3.2 compatible)
- TLS section added to `config/.env.template`
- Historical-note headers in `docs/superpowers/{plans,specs}/2026-04-09-*.md` flagging the profile rename
2026-04-25 19:51:25 +00:00

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Deployment Guide

Agnes supports two deployment paths. Pick the one that matches your use case.

For Keboola-operated deployments and anyone running Agnes for multiple customers on GCP.

Follow: ONBOARDING.md

Highlights:

  • Per-customer GCP project + private infra repo cloned from keboola/agnes-infra-template
  • Reusable Terraform module infra/modules/customer-instance (versioned — infra-vX.Y.Z tags)
  • Prod + optional branch-aware dev VMs
  • Persistent SSD data disk with daily snapshots
  • Secret Manager for tokens (no plaintext in VM metadata)
  • OS Login for SSH, dedicated VM service account with scoped secretAccessor
  • Cron-based auto-upgrade (pulls :stable image digest every 5 min)
  • Caddy TLS with corporate-CA or self-managed certs mounted from /data/state/certs; daily auto-rotation from a URL (TLS_FULLCHAIN_URL) with zero-downtime SIGUSR1 reload
  • Uptime check + alert policy per VM (wire a notification channel to be paged)
  • CI/CD in the private repo: PR → terraform plan, merge to main → apply-dev auto, apply-prod gated by reviewer
  • First-boot bootstrap via POST /auth/bootstrap

Target onboarding time: < 1 hour per customer.

2. Docker Compose — OSS self-host

For running Agnes on your own VM / bare metal without Terraform. You're responsible for provisioning and maintenance.

Prerequisites

  • Ubuntu 24.04 (or any Linux with Docker)
  • 2 vCPU, 2 GB RAM, 30 GB SSD minimum
  • Docker Engine + Compose plugin
  • Public IP with ports 80/443 (if using Caddy TLS) or 8000 (plain HTTP) open
  • Data-source credentials (e.g., Keboola Storage token)

Steps

  1. Clone the Agnes repository:

    git clone https://github.com/keboola/agnes-the-ai-analyst.git /opt/agnes
    cd /opt/agnes
    
  2. Create .env:

    cat > .env <<'EOF'
    JWT_SECRET_KEY=$(openssl rand -hex 32)
    DATA_DIR=/data
    DATA_SOURCE=keboola
    KEBOOLA_STORAGE_TOKEN=<your-token>
    KEBOOLA_STACK_URL=<your-stack-url>
    SEED_ADMIN_EMAIL=<your-email>
    LOG_LEVEL=info
    AGNES_TAG=stable
    EOF
    chmod 600 .env
    
  3. Mount a persistent disk at /data (optional but recommended — survives host rebuild). If you do, use the overlay:

    docker compose \
        -f docker-compose.yml \
        -f docker-compose.prod.yml \
        -f docker-compose.host-mount.yml \
        up -d
    

    Without a persistent disk (data on Docker named volume, tied to boot disk):

    docker compose -f docker-compose.yml -f docker-compose.prod.yml up -d
    
  4. Bootstrap your admin password via POST /auth/bootstrap:

    curl -X POST http://<host>:8000/auth/bootstrap \
        -H "Content-Type: application/json" \
        -d '{"email":"<your-email>","password":"<strong-password>"}'
    
  5. Open http://<host>:8000/login and sign in.

TLS (optional)

Caddy runs as the TLS terminator. It reads certs from /data/state/certs/{fullchain,privkey}.pem bind-mounted into the container. Two provisioning modes:

A. Public internet (Let's Encrypt) — for this path, override the Caddyfile to drop the tls directive (so Caddy auto-issues) and skip steps below. Not covered here anymore; see git history prior to the feat(tls) change if you need the ACME flow.

B. Corporate CA / self-managed certs (recommended, and what the infra repo ships):

Two bring-up flows, picked by whether TLS_PRIVKEY_URL is set in .env:

  • On-VM gen (preferred for new deployments): leave TLS_PRIVKEY_URL empty. On first run, agnes-tls-rotate.sh generates an RSA-2048 key + CSR directly into /data/state/certs/ using the subject string from TLS_CSR_SUBJECT. The key never leaves the host; the CSR (/data/state/certs/cert.csr) is what you submit to your corporate PKI. Until the CA signs and publishes, rotate falls back to a 30-day self-signed cert against the same key so Caddy can serve :443.
  • Pre-provisioned key (legacy / VM-replace-resilient): set TLS_PRIVKEY_URL=sm://<secret> (or any supported scheme). Seed the key out-of-band before first rotate. Same real-cert fetch + self-signed fallback applies.

Both modes converge: once the CA publishes the signed chain at TLS_FULLCHAIN_URL, the daily rotate tick atomically swaps the fullchain in place and SIGUSR1-reloads Caddy. Zero key churn, zero downtime, no reload when the URL content hasn't moved.

  1. Set the required env vars in .env:
    DOMAIN=agnes.example.com
    TLS_FULLCHAIN_URL=https://your-ca.example.com/agnes/fullchain.pem
    TLS_PRIVKEY_URL=            # empty → on-VM gen; or sm://<secret>
    TLS_CSR_SUBJECT=/C=…/ST=…/L=…/O=…/CN=agnes.example.com
    
  2. Start with the tls profile + overlay (docker-compose.tls.yml closes host :8000 so all traffic enters via :443):
    docker compose \
        -f docker-compose.yml \
        -f docker-compose.prod.yml \
        -f docker-compose.tls.yml \
        --profile tls up -d
    
  3. Grab the CSR if you used on-VM gen:
    sudo cat /data/state/certs/cert.csr
    
    Submit to your corporate PKI. While waiting, Caddy is already up on :443 with the self-signed fallback.

Automatic rotation

scripts/grpn/agnes-tls-rotate.sh is the single entry point — it handles fetch, self-signed fallback, auto-generation on missing key, atomic cert swap, and Caddy reload. Env vars it reads:

Var Required Schemes Notes
DOMAIN yes The hostname Caddy serves + the CN in auto-generated CSRs.
TLS_FULLCHAIN_URL yes https://, sm://<secret>, gs://<obj>, file:// Polled daily; rotate only reloads Caddy when the bytes change.
TLS_PRIVKEY_URL optional same Empty activates on-VM gen. Set to pre-provisioned scheme (e.g. sm://) for VM-replace resilience.
TLS_CSR_SUBJECT optional Stamped on auto-generated CSRs. Defaults to /CN=<DOMAIN> if unset. Example: /C=US/ST=Illinois/L=Chicago/O=Your Org/CN=agnes.example.com.

scripts/tls-fetch.sh at /usr/local/bin/tls-fetch.sh is required (generic URL fetcher used by rotate). On infra-repo-managed VMs, both scripts are installed by startup.sh and fired via a daily systemd timer; for manual compose deployments, copy them under /usr/local/bin/ and wire a systemd timer (OnBootSec=10min, OnUnitActiveSec=24h, Persistent=true).

Upgrades (manual)

cd /opt/agnes
git pull
docker compose -f docker-compose.yml -f docker-compose.prod.yml pull
docker compose -f docker-compose.yml -f docker-compose.prod.yml up -d

Or set up a cron job — see infra/modules/customer-instance/startup-script.sh.tpl for the reference implementation.

Which path should I pick?

Terraform Docker Compose
Setup time ~45 min first customer, ~15 min each subsequent ~30 min
Infra-as-Code Full (all resources in git) Partial (compose.yml only)
Secret storage GCP Secret Manager .env file on host
Upgrades Auto via cron, gated prod apply Manual docker compose pull
Backups Daily GCP snapshots, 30-day retention You set up yourself
Monitoring / alerts GCP Uptime Checks + alert policy You set up yourself
TLS Caddy + corp cert, auto-rotated from URL Caddy + corp cert, manual or user-scripted rotation
Best for Multi-tenant SaaS, production Single-instance self-host, learning