0e3196fa05
Content-change pass following the extraction from the app monorepo (this repo
now stands alone, sourced via git filter-repo to preserve history):
- terraform/variables.tf, secrets.tf, modules/thermograph-host: remove every
app-secret Terraform variable (postgres_password, auth_secret, VAPID keys,
registry_token, Discord/SMTP creds, ...) and the random_password/random_id
generators. The SOPS+age vault (deploy/secrets/*.yaml) is now the sole
source of app secrets, rendered at deploy time by deploy/render-secrets.sh;
Terraform renders only a non-secret /etc/thermograph-topology.env (sizing,
routing) via the renamed thermograph-topology.env.tftpl template.
- hosts gains a required app_image_tag field: the host's own checkout is now
this infra repo, not the app repo, so there is no "current commit" to
derive an image tag from — every host pins one explicitly. repo_url now
points at this repo (private; typically needs an embedded read token).
- deploy.sh: IMAGE_TAG is now required from the environment instead of
derived via `git rev-parse HEAD` of the (now infra-repo) checkout, which
would have silently resolved to the wrong or a nonexistent tag.
- New terraform/modules/gcp-host: creates a GCE VM + minimal VPC/firewall
only, then feeds its IP into the same thermograph-host module every
SSH-managed host already uses — one provisioning path regardless of how a
host came to exist. var.gcp_hosts defaults to {}, so no google_* resource
is planned and the provider is never invoked without it (verified: plan
and validate succeed with no GCP credentials configured).
- terraform/README.md, ACCESS.md (renamed from INFRA.md), README.md: updated
for the new secrets model, the GCP scaffold, and this repo's own identity.
Verified: terraform fmt/validate/init clean; plan succeeds against realistic
dummy hosts (prod+beta shape) and against a populated gcp_hosts entry (plans
6 resources with no live credentials, confirming the composition wires
correctly end to end).
28 lines
1.6 KiB
Markdown
28 lines
1.6 KiB
Markdown
# thermograph-infra
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Infrastructure for [Thermograph](https://thermograph.org): Terraform host
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provisioning, the SOPS+age secrets vault, Docker Swarm/WireGuard networking,
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Forgejo, Caddy, and the deploy scripts that run the already-built app image on
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each host. Extracted from the app monorepo (`emi/thermograph`) — the app repo
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owns building and testing the app; this repo owns running it.
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- **`terraform/`** — provisions/configures hosts (SSH-driven by default; an
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optional GCP-creating module is scaffolded, no live resources yet) and
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triggers each deploy. See `terraform/README.md`.
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- **`deploy/secrets/`** — the git-native SOPS+age secrets vault (every app
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secret, encrypted at rest, rendered at deploy time). See
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`deploy/secrets/README.md`.
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- **`deploy/swarm/`, `deploy/forgejo/`** — the 3-node WireGuard/Swarm cluster
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that hosts Forgejo (git + CI + registry); does not run the app itself. See
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`ACCESS.md` and the READMEs under each directory.
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- **`deploy/deploy.sh`** — pulls the pinned app image (`IMAGE_TAG`) and rolls
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the compose stack; invoked by Terraform and by the app repo's
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`.forgejo/workflows/deploy.yml` over SSH.
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- **`docker-compose*.yml`, `docker-stack.yml`** — how the app image runs
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(compose in production today; `docker-stack.yml` is a design record for a
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possible future Swarm-based app deploy, not currently live).
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The app's own source, `Dockerfile`, and build/test CI stay in the app repo —
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this repo never checks out app source; hosts only pull tagged images from the
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registry. See `ACCESS.md` for host access and the Swarm/Forgejo topology, and
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`terraform/README.md` for the day-to-day `plan`/`apply` workflow.
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