infra/stacks/authentik/modules/authentik/main.tf
Viktor Barzin b1d152be1f [infra] Auto-create Cloudflare DNS records from ingress_factory
## Context

Deploying new services required manually adding hostnames to
cloudflare_proxied_names/cloudflare_non_proxied_names in config.tfvars —
a separate file from the service stack. This was frequently forgotten,
leaving services unreachable externally.

## This change:

- Add `dns_type` parameter to `ingress_factory` and `reverse_proxy/factory`
  modules. Setting `dns_type = "proxied"` or `"non-proxied"` auto-creates
  the Cloudflare DNS record (CNAME to tunnel or A/AAAA to public IP).
- Simplify cloudflared tunnel from 100 per-hostname rules to wildcard
  `*.viktorbarzin.me → Traefik`. Traefik still handles host-based routing.
- Add global Cloudflare provider via terragrunt.hcl (separate
  cloudflare_provider.tf with Vault-sourced API key).
- Migrate 118 hostnames from centralized config.tfvars to per-service
  dns_type. 17 hostnames remain centrally managed (Helm ingresses,
  special cases).
- Update docs, AGENTS.md, CLAUDE.md, dns.md runbook.

```
BEFORE                          AFTER
config.tfvars (manual list)     stacks/<svc>/main.tf
        |                         module "ingress" {
        v                           dns_type = "proxied"
stacks/cloudflared/               }
  for_each = list                     |
  cloudflare_record               auto-creates
  tunnel per-hostname             cloudflare_record + annotation
```

## What is NOT in this change:

- Uptime Kuma monitor migration (still reads from config.tfvars)
- 17 remaining centrally-managed hostnames (Helm, special cases)
- Removal of allow_overwrite (keep until migration confirmed stable)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-16 13:45:04 +00:00

100 lines
3 KiB
HCL

variable "tls_secret_name" {}
variable "secret_key" {}
variable "postgres_password" {}
variable "tier" { type = string }
variable "redis_host" { type = string }
variable "homepage_token" {
type = string
default = ""
sensitive = true
}
module "tls_secret" {
source = "../../../../modules/kubernetes/setup_tls_secret"
namespace = kubernetes_namespace.authentik.metadata[0].name
tls_secret_name = var.tls_secret_name
}
# The embedded outpost auto-creates an ingress expecting this secret name
module "tls_secret_outpost" {
source = "../../../../modules/kubernetes/setup_tls_secret"
namespace = kubernetes_namespace.authentik.metadata[0].name
tls_secret_name = "authentik-outpost-tls"
}
resource "kubernetes_namespace" "authentik" {
metadata {
name = "authentik"
labels = {
tier = var.tier
"resource-governance/custom-quota" = "true"
}
}
}
resource "kubernetes_resource_quota" "authentik" {
metadata {
name = "authentik-quota"
namespace = kubernetes_namespace.authentik.metadata[0].name
}
spec {
hard = {
"requests.cpu" = "16"
"requests.memory" = "16Gi"
"limits.memory" = "96Gi"
pods = "50"
}
}
}
resource "helm_release" "authentik" {
namespace = kubernetes_namespace.authentik.metadata[0].name
create_namespace = true
name = "goauthentik"
repository = "https://charts.goauthentik.io/"
chart = "authentik"
# version = "2025.10.3"
# version = "2025.12.4"
version = "2026.2.2"
atomic = true
timeout = 6000
values = [templatefile("${path.module}/values.yaml", { postgres_password = var.postgres_password, secret_key = var.secret_key })]
}
module "ingress" {
source = "../../../../modules/kubernetes/ingress_factory"
dns_type = "proxied"
namespace = kubernetes_namespace.authentik.metadata[0].name
name = "authentik"
service_name = "goauthentik-server"
tls_secret_name = var.tls_secret_name
anti_ai_scraping = false
extra_annotations = {
"gethomepage.dev/enabled" = "true"
"gethomepage.dev/name" = "Authentik"
"gethomepage.dev/description" = "Identity provider"
"gethomepage.dev/icon" = "authentik.png"
"gethomepage.dev/group" = "Identity & Security"
"gethomepage.dev/pod-selector" = ""
"gethomepage.dev/widget.type" = "authentik"
"gethomepage.dev/widget.url" = "http://goauthentik-server.authentik.svc.cluster.local"
"gethomepage.dev/widget.key" = var.homepage_token
}
}
module "ingress-outpost" {
source = "../../../../modules/kubernetes/ingress_factory"
namespace = kubernetes_namespace.authentik.metadata[0].name
name = "authentik-outpost"
host = "authentik"
service_name = "ak-outpost-authentik-embedded-outpost"
port = 9000
ingress_path = ["/outpost.goauthentik.io"]
tls_secret_name = var.tls_secret_name
anti_ai_scraping = false
exclude_crowdsec = true
}