infra/stacks/netbox/main.tf
Viktor Barzin ca648ff9bb
[ci skip] right-size all pod resources based on VPA + live metrics audit
Full cluster resource audit: cross-referenced Goldilocks VPA recommendations,
live kubectl top metrics, and Terraform definitions for 100+ containers.

Critical fixes:
- dashy: CPU throttled at 98% (490m/500m) → 2 CPU limit
- stirling-pdf: CPU throttled at 99.7% (299m/300m) → 2 CPU limit
- traefik auth-proxy/bot-block-proxy: mem limit 32Mi → 128Mi

Added explicit resources to ~40 containers that had none:
- audiobookshelf, changedetection, cyberchef, dawarich, diun, echo,
  excalidraw, freshrss, hackmd, isponsorblocktv, linkwarden, n8n,
  navidrome, ntfy, owntracks, privatebin, send, shadowsocks, tandoor,
  tor-proxy, wealthfolio, networking-toolbox, rybbit, mailserver,
  cloudflared, pgadmin, phpmyadmin, crowdsec-web, xray, wireguard,
  k8s-portal, tuya-bridge, ollama-ui, whisper, piper, immich-server,
  immich-postgresql, osrm-foot

GPU containers: added CPU/mem alongside GPU limits:
- ollama: removed CPU/mem limits (models vary in size), keep GPU only
- frigate: req 500m/2Gi, lim 4/8Gi + GPU
- immich-ml: req 100m/1Gi, lim 2/4Gi + GPU

Right-sized ~25 over-provisioned containers:
- kms-web-page: 500m/512Mi → 50m/64Mi (was using 0m/10Mi)
- onlyoffice: CPU 8 → 2 (VPA upper 45m)
- realestate-crawler-api: CPU 2000m → 250m
- blog/travel-blog/webhook-handler: 500m → 100m
- coturn/health/plotting-book: reduced to match actual usage

Conservative methodology: limits = max(VPA upper * 2, live usage * 2)
2026-03-01 19:18:50 +00:00

190 lines
4.2 KiB
HCL

variable "tls_secret_name" { type = string }
variable "netbox_db_password" { type = string }
variable "netbox_superuser_password" { type = string }
variable "nfs_server" { type = string }
variable "redis_host" { type = string }
variable "postgresql_host" { type = string }
resource "kubernetes_namespace" "netbox" {
metadata {
name = "netbox"
labels = {
tier = local.tiers.aux
}
}
}
module "tls_secret" {
source = "../../modules/kubernetes/setup_tls_secret"
namespace = kubernetes_namespace.netbox.metadata[0].name
tls_secret_name = var.tls_secret_name
}
resource "random_string" "random" {
length = 50
lower = true
}
resource "random_string" "api_token_pepper" {
length = 50
lower = true
}
resource "kubernetes_deployment" "netbox" {
metadata {
name = "netbox"
namespace = kubernetes_namespace.netbox.metadata[0].name
labels = {
app = "netbox"
tier = local.tiers.aux
}
annotations = {
"reloader.stakater.com/search" = "true"
}
}
spec {
replicas = 1
strategy {
type = "Recreate"
}
selector {
match_labels = {
app = "netbox"
}
}
template {
metadata {
annotations = {
"diun.enable" = "true"
}
labels = {
app = "netbox"
}
}
spec {
container {
image = "netboxcommunity/netbox:v4.5.0-beta1"
name = "netbox"
env {
name = "DB_USER"
value = "netbox"
}
env {
name = "DB_PASSWORD"
value = var.netbox_db_password
}
env {
name = "DB_HOST"
value = var.postgresql_host
}
env {
name = "DB_NAME"
value = "netbox"
}
env {
name = "DB_WAIT_DEBUG"
value = "1"
}
env {
name = "SECRET_KEY"
value = random_string.random.result
}
env {
name = "API_TOKEN_PEPPERS"
value = random_string.api_token_pepper.result
}
env {
name = "REDIS_HOST"
value = var.redis_host
}
env {
name = "ALLOWED_HOST"
value = "netbox.viktorbarzin.me"
}
env {
name = "SUPERUSER_EMAIL"
value = "me@viktorbarzin.me"
}
env {
name = "SUPERUSER_PASSWORD"
value = var.netbox_superuser_password
}
env {
name = "REMOTE_AUTH_ENABLED"
value = "True"
}
env {
name = "REMOTE_AUTH_AUTO_CREATE_USER"
value = "True"
}
env {
name = "PUID"
value = 1000
}
env {
name = "PGID"
value = 1000
}
env {
name = "TZ"
value = "Europe/Sofia"
}
resources {
requests = {
cpu = "25m"
memory = "256Mi"
}
limits = {
cpu = "500m"
memory = "1Gi"
}
}
port {
container_port = 8080
}
# volume_mount {
# name = "data"
# mount_path = "/books"
# }
}
# volume {
# name = "data"
# nfs {
# path = "/mnt/main/netbox"
# server = var.nfs_server
# }
# }
}
}
}
}
resource "kubernetes_service" "netbox" {
metadata {
name = "netbox"
namespace = kubernetes_namespace.netbox.metadata[0].name
labels = {
"app" = "netbox"
}
}
spec {
selector = {
app = "netbox"
}
port {
name = "http"
target_port = 8080
port = 80
protocol = "TCP"
}
}
}
module "ingress" {
source = "../../modules/kubernetes/ingress_factory"
namespace = kubernetes_namespace.netbox.metadata[0].name
name = "netbox"
tls_secret_name = var.tls_secret_name
protected = true
}