infra/stacks/terminal/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

214 lines
4.9 KiB
HCL

variable "tls_secret_name" {
type = string
sensitive = true
}
resource "kubernetes_namespace" "terminal" {
metadata {
name = "terminal"
labels = {
"istio-injection" : "disabled"
tier = local.tiers.aux
}
}
}
module "tls_secret" {
source = "../../modules/kubernetes/setup_tls_secret"
namespace = kubernetes_namespace.terminal.metadata[0].name
tls_secret_name = var.tls_secret_name
}
# Service + Endpoints to reverse-proxy to ttyd at 10.0.10.10:7681
resource "kubernetes_service" "terminal" {
metadata {
name = "terminal"
namespace = kubernetes_namespace.terminal.metadata[0].name
labels = {
app = "terminal"
}
}
spec {
port {
name = "http"
port = 80
target_port = 7681
}
}
}
resource "kubernetes_endpoints" "terminal" {
metadata {
name = "terminal"
namespace = kubernetes_namespace.terminal.metadata[0].name
}
subset {
address {
ip = "10.0.10.10"
}
port {
name = "http"
port = 7681
}
}
}
module "ingress" {
source = "../../modules/kubernetes/ingress_factory"
dns_type = "proxied"
namespace = kubernetes_namespace.terminal.metadata[0].name
name = "terminal"
tls_secret_name = var.tls_secret_name
protected = true
extra_annotations = {
"gethomepage.dev/enabled" = "true"
"gethomepage.dev/name" = "Terminal"
"gethomepage.dev/description" = "Web terminal (ttyd)"
"gethomepage.dev/icon" = "mdi-console"
"gethomepage.dev/group" = "Infrastructure"
"gethomepage.dev/pod-selector" = ""
}
}
# Read-only terminal session at terminal-ro.viktorbarzin.me
resource "kubernetes_service" "terminal_ro" {
metadata {
name = "terminal-ro"
namespace = kubernetes_namespace.terminal.metadata[0].name
labels = {
app = "terminal-ro"
}
}
spec {
port {
name = "http"
port = 80
target_port = 7682
}
}
}
resource "kubernetes_endpoints" "terminal_ro" {
metadata {
name = "terminal-ro"
namespace = kubernetes_namespace.terminal.metadata[0].name
}
subset {
address {
ip = "10.0.10.10"
}
port {
name = "http"
port = 7682
}
}
}
# Clipboard image upload service (same-origin path routing)
resource "kubernetes_service" "clipboard_upload" {
metadata {
name = "clipboard-upload"
namespace = kubernetes_namespace.terminal.metadata[0].name
labels = {
app = "clipboard-upload"
}
}
spec {
port {
name = "http"
port = 80
target_port = 7683
}
}
}
resource "kubernetes_endpoints" "clipboard_upload" {
metadata {
name = "clipboard-upload"
namespace = kubernetes_namespace.terminal.metadata[0].name
}
subset {
address {
ip = "10.0.10.10"
}
port {
name = "http"
port = 7683
}
}
}
# IngressRoute for /clipboard/* on terminal.viktorbarzin.me → clipboard-upload service
resource "kubernetes_manifest" "clipboard_ingressroute" {
manifest = {
apiVersion = "traefik.io/v1alpha1"
kind = "IngressRoute"
metadata = {
name = "clipboard-upload"
namespace = kubernetes_namespace.terminal.metadata[0].name
}
spec = {
entryPoints = ["websecure"]
routes = [{
match = "Host(`terminal.viktorbarzin.me`) && PathPrefix(`/clipboard/`)"
kind = "Rule"
middlewares = [
{
name = "authentik-forward-auth"
namespace = "traefik"
},
{
name = "clipboard-strip-prefix"
namespace = kubernetes_namespace.terminal.metadata[0].name
}
]
services = [{
name = "clipboard-upload"
port = 80
}]
}]
tls = {
secretName = var.tls_secret_name
}
}
}
}
resource "kubernetes_manifest" "clipboard_strip_prefix" {
manifest = {
apiVersion = "traefik.io/v1alpha1"
kind = "Middleware"
metadata = {
name = "clipboard-strip-prefix"
namespace = kubernetes_namespace.terminal.metadata[0].name
}
spec = {
stripPrefix = {
prefixes = ["/clipboard"]
}
}
}
}
module "ingress_ro" {
source = "../../modules/kubernetes/ingress_factory"
dns_type = "proxied"
namespace = kubernetes_namespace.terminal.metadata[0].name
name = "terminal-ro"
tls_secret_name = var.tls_secret_name
protected = true
extra_annotations = {
"gethomepage.dev/enabled" = "true"
"gethomepage.dev/name" = "Terminal (Read-Only)"
"gethomepage.dev/description" = "Read-only web terminal (ttyd)"
"gethomepage.dev/icon" = "mdi-console"
"gethomepage.dev/group" = "Infrastructure"
"gethomepage.dev/pod-selector" = ""
}
}