infra/stacks/kms/main.tf
Viktor Barzin f7c2c06009 right-size memory: set requests=limits based on actual usage
- Set memory requests = limits across 56 stacks to prevent overcommit
- Right-sized limits based on actual pod usage (2x actual, rounded up)
- Scaled down trading-bot (replicas=0) to free memory
- Fixed OOMKilled services: forgejo, dawarich, health, meshcentral,
  paperless-ngx, vault auto-unseal, rybbit, whisper, openclaw, clickhouse
- Added startup+liveness probes to calibre-web
- Bumped inotify limits on nodes 2,3 (max_user_instances 128->8192)

Post node2 OOM incident (2026-03-14). Previous kubelet config had no
kubeReserved/systemReserved set, allowing pods to starve the kernel.
2026-03-14 21:01:24 +00:00

198 lines
4.2 KiB
HCL

variable "tls_secret_name" {
type = string
sensitive = true
}
resource "kubernetes_namespace" "kms" {
metadata {
name = "kms"
labels = {
"istio-injection" : "disabled"
tier = local.tiers.aux
}
}
}
module "tls_secret" {
source = "../../modules/kubernetes/setup_tls_secret"
namespace = kubernetes_namespace.kms.metadata[0].name
tls_secret_name = var.tls_secret_name
}
resource "kubernetes_config_map" "kms-web-page" {
metadata {
name = "kms-web-page-config"
namespace = kubernetes_namespace.kms.metadata[0].name
}
data = {
"index.html" = var.index_html
}
}
resource "kubernetes_deployment" "kms-web-page" {
metadata {
name = "kms-web-page"
namespace = kubernetes_namespace.kms.metadata[0].name
labels = {
"app" = "kms-web-page"
"kubernetes.io/cluster-service" = "true"
tier = local.tiers.aux
}
}
spec {
replicas = 1
selector {
match_labels = {
"app" = "kms-web-page"
}
}
template {
metadata {
labels = {
"app" = "kms-web-page"
"kubernetes.io/cluster-service" = "true"
}
}
spec {
container {
image = "nginx"
name = "kms-web-page"
image_pull_policy = "IfNotPresent"
resources {
limits = {
memory = "64Mi"
}
requests = {
cpu = "10m"
memory = "64Mi"
}
}
port {
container_port = 80
protocol = "TCP"
}
volume_mount {
name = "config"
mount_path = "/usr/share/nginx/html/"
}
}
volume {
name = "config"
config_map {
name = "kms-web-page-config"
items {
key = "index.html"
path = "index.html"
}
}
}
}
}
}
depends_on = [kubernetes_config_map.kms-web-page]
}
resource "kubernetes_service" "kms-web-page" {
metadata {
name = "kms"
namespace = kubernetes_namespace.kms.metadata[0].name
labels = {
"app" = "kms-web-page"
}
}
spec {
selector = {
"app" = "kms-web-page"
}
port {
port = "80"
protocol = "TCP"
}
}
}
module "ingress" {
source = "../../modules/kubernetes/ingress_factory"
namespace = kubernetes_namespace.kms.metadata[0].name
name = "kms"
tls_secret_name = var.tls_secret_name
extra_annotations = {
"gethomepage.dev/enabled" = "true"
"gethomepage.dev/name" = "KMS"
"gethomepage.dev/description" = "License activation server"
"gethomepage.dev/icon" = "microsoft.png"
"gethomepage.dev/group" = "Other"
"gethomepage.dev/pod-selector" = ""
}
}
resource "kubernetes_deployment" "windows_kms" {
metadata {
name = "kms"
namespace = kubernetes_namespace.kms.metadata[0].name
labels = {
app = "kms-service"
tier = local.tiers.aux
}
}
spec {
replicas = 1
selector {
match_labels = {
app = "kms-service"
}
}
template {
metadata {
labels = {
app = "kms-service"
}
}
spec {
container {
image = "kebe/vlmcsd:latest"
name = "windows-kms"
resources {
limits = {
memory = "64Mi"
}
requests = {
cpu = "10m"
memory = "64Mi"
}
}
port {
container_port = 1688
}
}
}
}
}
}
resource "kubernetes_service" "windows_kms" {
metadata {
name = "windows-kms"
namespace = kubernetes_namespace.kms.metadata[0].name
labels = {
app = "kms-service"
}
annotations = {
"metallb.universe.tf/allow-shared-ip" = "shared"
}
}
spec {
type = "LoadBalancer"
external_traffic_policy = "Cluster"
selector = {
app = "kms-service"
}
port {
port = "1688"
}
}
}