infra/stacks/linkwarden/main.tf
Viktor Barzin 89a6e08245 [ci skip] Infrastructure hardening: security, monitoring, reliability, maintainability
Phase 1 - Critical Security:
- Netbox: move hardcoded DB/superuser passwords to variables
- MeshCentral: disable public registration, add Authentik auth
- Traefik: disable insecure API dashboard (api.insecure=false)
- Traefik: configure forwarded headers with Cloudflare trusted IPs

Phase 2 - Security Hardening:
- Add security headers middleware (HSTS, X-Frame-Options, nosniff, etc.)
- Add Kyverno pod security policies in audit mode (privileged, host
  namespaces, SYS_ADMIN, trusted registries)
- Tighten rate limiting (avg=10, burst=50)
- Add Authentik protection to grampsweb

Phase 3 - Monitoring & Alerting:
- Add critical service alerts (PostgreSQL, MySQL, Redis, Headscale,
  Authentik, Loki)
- Increase Loki retention from 7 to 30 days (720h)
- Add predictive PV filling alert (predict_linear)
- Re-enable Hackmd and Privatebin down alerts

Phase 4 - Reliability:
- Add resource requests/limits to Redis, DBaaS, Technitium, Headscale,
  Vaultwarden, Uptime Kuma
- Increase Alloy DaemonSet memory to 512Mi/1Gi

Phase 6 - Maintainability:
- Extract duplicated tiers locals to terragrunt.hcl generate block
  (removed from 67 stacks)
- Replace hardcoded NFS IP 10.0.10.15 with var.nfs_server (114
  instances across 63 files)
- Replace hardcoded Redis/PostgreSQL/MySQL/Ollama/mail host references
  with variables across ~35 stacks
- Migrate xray raw ingress resources to ingress_factory modules
2026-02-23 22:05:28 +00:00

125 lines
3 KiB
HCL

variable "tls_secret_name" { type = string }
variable "linkwarden_postgresql_password" { type = string }
variable "linkwarden_authentik_client_id" { type = string }
variable "linkwarden_authentik_client_secret" { type = string }
variable "postgresql_host" { type = string }
resource "kubernetes_namespace" "linkwarden" {
metadata {
name = "linkwarden"
labels = {
tier = local.tiers.aux
}
}
}
module "tls_secret" {
source = "../../modules/kubernetes/setup_tls_secret"
namespace = kubernetes_namespace.linkwarden.metadata[0].name
tls_secret_name = var.tls_secret_name
}
resource "random_string" "secret" {
length = 32
special = true
override_special = "/@£$"
}
resource "kubernetes_deployment" "linkwarden" {
metadata {
name = "linkwarden"
namespace = kubernetes_namespace.linkwarden.metadata[0].name
labels = {
app = "linkwarden"
tier = local.tiers.aux
}
annotations = {
"reloader.stakater.com/search" = "true"
}
}
spec {
replicas = 1
selector {
match_labels = {
app = "linkwarden"
}
}
template {
metadata {
labels = {
app = "linkwarden"
}
annotations = {
"diun.enable" = "false"
"diun.include_tags" = "latest"
}
}
spec {
container {
image = "ghcr.io/linkwarden/linkwarden:latest"
name = "linkwarden"
port {
container_port = 3000
}
env {
name = "DATABASE_URL"
value = "postgresql://linkwarden:${var.linkwarden_postgresql_password}@${var.postgresql_host}:5432/linkwarden"
}
env {
name = "NEXT_PUBLIC_AUTHENTIK_ENABLED"
value = "true"
}
env {
name = "NEXTAUTH_SECRET"
value = random_string.secret.result
}
env {
name = "NEXTAUTH_URL"
value = "https://linkwarden.viktorbarzin.me/api/v1/auth"
}
env {
name = "AUTHENTIK_ISSUER"
value = "https://authentik.viktorbarzin.me/application/o/linkwarden"
}
env {
name = "AUTHENTIK_CLIENT_ID"
value = var.linkwarden_authentik_client_id
}
env {
name = "AUTHENTIK_CLIENT_SECRET"
value = var.linkwarden_authentik_client_secret
}
}
}
}
}
}
resource "kubernetes_service" "linkwarden" {
metadata {
name = "linkwarden"
namespace = kubernetes_namespace.linkwarden.metadata[0].name
labels = {
app = "linkwarden"
}
}
spec {
selector = {
app = "linkwarden"
}
port {
name = "linkwarden"
port = 80
target_port = 3000
}
}
}
module "ingress" {
source = "../../modules/kubernetes/ingress_factory"
namespace = kubernetes_namespace.linkwarden.metadata[0].name
name = "linkwarden"
tls_secret_name = var.tls_secret_name
}