infra/stacks/health/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

153 lines
3.5 KiB
HCL

variable "tls_secret_name" {
type = string
sensitive = true
}
variable "nfs_server" { type = string }
variable "postgresql_host" { type = string }
data "vault_kv_secret_v2" "secrets" {
mount = "secret"
name = "health"
}
resource "kubernetes_namespace" "health" {
metadata {
name = "health"
labels = {
tier = local.tiers.aux
}
}
}
module "tls_secret" {
source = "../../modules/kubernetes/setup_tls_secret"
namespace = kubernetes_namespace.health.metadata[0].name
tls_secret_name = var.tls_secret_name
}
module "nfs_uploads" {
source = "../../modules/kubernetes/nfs_volume"
name = "health-uploads"
namespace = kubernetes_namespace.health.metadata[0].name
nfs_server = var.nfs_server
nfs_path = "/mnt/main/health"
}
resource "kubernetes_deployment" "health" {
metadata {
name = "health"
namespace = kubernetes_namespace.health.metadata[0].name
labels = {
app = "health"
tier = local.tiers.aux
}
}
spec {
replicas = 1
selector {
match_labels = {
app = "health"
}
}
template {
metadata {
labels = {
app = "health"
}
}
spec {
container {
name = "health"
image = "viktorbarzin/health:latest"
port {
container_port = 3000
}
env {
name = "DATABASE_URL"
value = "postgresql+asyncpg://health:${data.vault_kv_secret_v2.secrets.data["db_password"]}@${var.postgresql_host}:5432/health"
}
env {
name = "SECRET_KEY"
value = data.vault_kv_secret_v2.secrets.data["secret_key"]
}
env {
name = "UPLOAD_DIR"
value = "/data/uploads"
}
env {
name = "WEBAUTHN_RP_ID"
value = "health.viktorbarzin.me"
}
env {
name = "WEBAUTHN_ORIGIN"
value = "https://health.viktorbarzin.me"
}
env {
name = "COOKIE_SECURE"
value = "true"
}
volume_mount {
name = "uploads"
mount_path = "/data/uploads"
}
resources {
requests = {
memory = "128Mi"
cpu = "15m"
}
limits = {
memory = "128Mi"
}
}
}
volume {
name = "uploads"
persistent_volume_claim {
claim_name = module.nfs_uploads.claim_name
}
}
}
}
}
}
resource "kubernetes_service" "health" {
metadata {
name = "health"
namespace = kubernetes_namespace.health.metadata[0].name
labels = {
app = "health"
}
}
spec {
selector = {
app = "health"
}
port {
name = "http"
port = 80
target_port = 3000
}
}
}
module "ingress" {
source = "../../modules/kubernetes/ingress_factory"
namespace = kubernetes_namespace.health.metadata[0].name
name = "health"
tls_secret_name = var.tls_secret_name
max_body_size = "100m"
extra_annotations = {
"gethomepage.dev/enabled" = "true"
"gethomepage.dev/name" = "Health"
"gethomepage.dev/description" = "Health dashboard"
"gethomepage.dev/icon" = "healthchecks.png"
"gethomepage.dev/group" = "Core Platform"
"gethomepage.dev/pod-selector" = ""
}
}