infra/stacks/tandoor/main.tf
Viktor Barzin 0f262ceda3 add pod dependency management via Kyverno init container injection
Kyverno ClusterPolicy reads dependency.kyverno.io/wait-for annotation
and injects busybox init containers that block until each dependency
is reachable (nc -z). Annotations added to 18 stacks (24 deployments).

Includes graceful-db-maintenance.sh script for planned DB maintenance
(scales dependents to 0, saves replica counts, restores on startup).
2026-03-15 19:17:57 +00:00

244 lines
5.7 KiB
HCL

variable "tls_secret_name" {
type = string
sensitive = true
}
variable "tandoor_email_password" {
type = string
default = ""
sensitive = true
}
variable "nfs_server" { type = string }
variable "postgresql_host" { type = string }
variable "mail_host" { type = string }
resource "kubernetes_namespace" "tandoor" {
metadata {
name = "tandoor"
labels = {
"istio-injection" : "disabled"
tier = local.tiers.aux
}
}
}
resource "kubernetes_manifest" "external_secret" {
manifest = {
apiVersion = "external-secrets.io/v1beta1"
kind = "ExternalSecret"
metadata = {
name = "tandoor-secrets"
namespace = "tandoor"
}
spec = {
refreshInterval = "15m"
secretStoreRef = {
name = "vault-kv"
kind = "ClusterSecretStore"
}
target = {
name = "tandoor-secrets"
}
dataFrom = [{
extract = {
key = "tandoor"
}
}]
}
}
depends_on = [kubernetes_namespace.tandoor]
}
resource "random_password" "secret_key" {
length = 128
special = false
}
module "tls_secret" {
source = "../../modules/kubernetes/setup_tls_secret"
namespace = kubernetes_namespace.tandoor.metadata[0].name
tls_secret_name = var.tls_secret_name
}
module "nfs_data" {
source = "../../modules/kubernetes/nfs_volume"
name = "tandoor-data"
namespace = kubernetes_namespace.tandoor.metadata[0].name
nfs_server = var.nfs_server
nfs_path = "/mnt/main/tandoor"
}
resource "kubernetes_deployment" "tandoor" {
metadata {
name = "tandoor"
namespace = kubernetes_namespace.tandoor.metadata[0].name
labels = {
app = "tandoor"
tier = local.tiers.aux
}
annotations = {
"reloader.stakater.com/auto" = "true"
}
}
spec {
# Disabled: reduce cluster memory pressure (2026-03-14 OOM incident)
replicas = 0
strategy {
type = "Recreate"
}
selector {
match_labels = {
app = "tandoor"
}
}
template {
metadata {
labels = {
app = "tandoor"
}
annotations = {
"dependency.kyverno.io/wait-for" = "postgresql.dbaas:5432"
}
}
spec {
container {
name = "recipes"
image = "vabene1111/recipes"
image_pull_policy = "IfNotPresent"
env {
name = "SECRET_KEY"
value = base64encode(random_password.secret_key.result)
}
env {
name = "DB_ENGINE"
value = "django.db.backends.postgresql"
}
env {
name = "POSTGRES_HOST"
value = var.postgresql_host
}
env {
name = "POSTGRES_PORT"
value = 5432
}
env {
name = "POSTGRES_USER"
value = "tandoor"
}
env {
name = "POSTGRES_PASSWORD"
value_from {
secret_key_ref {
name = "tandoor-secrets"
key = "db_password"
}
}
}
env {
name = "TANDOOR_PORT"
value = 8080
}
env {
name = "ENABLE_SIGNUP"
value = 1
}
env {
name = "ALLOWED_HOSTS"
value = "tandoor.viktorbarzin.me"
}
env {
name = "POSTGRES_DB"
value = "tandoor"
}
env {
name = "EMAIL_HOST"
value = var.mail_host
}
env {
name = "EMAIL_HOST_USER"
value = "info@viktorbarzin.me"
}
env {
name = "EMAIL_HOST_PASSWORD"
value = var.tandoor_email_password
}
env {
name = "EMAIL_USE_TLS"
value = "1"
}
env {
name = "DEFAULT_FROM_EMAIL"
value = "info@viktorbarzin.me"
}
env {
name = "EMAIL_PORT"
value = 587
}
port {
name = "http"
container_port = 8080
protocol = "TCP"
}
volume_mount {
name = "data"
mount_path = "/opt/recipes/mediafiles"
}
volume_mount {
name = "data"
mount_path = "/opt/recipes/staticfiles"
}
resources {
requests = {
cpu = "25m"
memory = "256Mi"
}
limits = {
memory = "256Mi"
}
}
}
volume {
name = "data"
persistent_volume_claim {
claim_name = module.nfs_data.claim_name
}
}
}
}
}
}
resource "kubernetes_service" "tandoor" {
metadata {
name = "tandoor"
namespace = kubernetes_namespace.tandoor.metadata[0].name
labels = {
"app" = "tandoor"
}
}
spec {
selector = {
app = "tandoor"
}
port {
port = 80
target_port = 8080
}
}
}
module "ingress" {
source = "../../modules/kubernetes/ingress_factory"
namespace = kubernetes_namespace.tandoor.metadata[0].name
name = "tandoor"
tls_secret_name = var.tls_secret_name
extra_annotations = {
"gethomepage.dev/enabled" = "true"
"gethomepage.dev/name" = "Tandoor"
"gethomepage.dev/description" = "Recipe manager"
"gethomepage.dev/icon" = "tandoor-recipes.png"
"gethomepage.dev/group" = "Productivity"
"gethomepage.dev/pod-selector" = ""
}
}