infra/stacks/platform/modules/k8s-portal/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

133 lines
2.9 KiB
HCL

variable "tls_secret_name" {}
variable "tier" { type = string }
resource "kubernetes_namespace" "k8s_portal" {
metadata {
name = "k8s-portal"
labels = {
tier = var.tier
}
}
}
module "tls_secret" {
source = "../../../../modules/kubernetes/setup_tls_secret"
namespace = kubernetes_namespace.k8s_portal.metadata[0].name
tls_secret_name = var.tls_secret_name
}
resource "kubernetes_config_map" "k8s_portal_config" {
metadata {
name = "k8s-portal-config"
namespace = kubernetes_namespace.k8s_portal.metadata[0].name
}
data = {
# CA cert extracted from kubeconfig — will be populated with cluster CA cert
"ca.crt" = ""
}
}
resource "kubernetes_deployment" "k8s_portal" {
metadata {
name = "k8s-portal"
namespace = kubernetes_namespace.k8s_portal.metadata[0].name
labels = {
app = "k8s-portal"
tier = var.tier
}
}
spec {
replicas = 1
selector {
match_labels = {
app = "k8s-portal"
}
}
template {
metadata {
labels = {
app = "k8s-portal"
}
}
spec {
container {
name = "portal"
image = "viktorbarzin/k8s-portal:latest"
port {
container_port = 3000
}
volume_mount {
name = "config"
mount_path = "/config"
read_only = true
}
resources {
requests = {
cpu = "10m"
memory = "32Mi"
}
limits = {
cpu = "100m"
memory = "128Mi"
}
}
}
volume {
name = "config"
config_map {
name = kubernetes_config_map.k8s_portal_config.metadata[0].name
}
}
dns_config {
option {
name = "ndots"
value = "2"
}
}
}
}
}
}
resource "kubernetes_service" "k8s_portal" {
metadata {
name = "k8s-portal"
namespace = kubernetes_namespace.k8s_portal.metadata[0].name
}
spec {
selector = {
app = "k8s-portal"
}
port {
port = 80
target_port = 3000
}
}
}
module "ingress" {
source = "../../../../modules/kubernetes/ingress_factory"
namespace = kubernetes_namespace.k8s_portal.metadata[0].name
name = "k8s-portal"
tls_secret_name = var.tls_secret_name
protected = true # Require Authentik login
}
# Unprotected ingress for the setup script (needs to be curl-able without auth)
module "ingress_setup_script" {
source = "../../../../modules/kubernetes/ingress_factory"
namespace = kubernetes_namespace.k8s_portal.metadata[0].name
name = "k8s-portal-setup"
host = "k8s-portal"
service_name = "k8s-portal"
ingress_path = ["/setup/script"]
tls_secret_name = var.tls_secret_name
protected = false
}