From d0ffab97c32aebfedc65cc323d93b624afd41c7a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luk=C3=A1=C5=A1=20Trkan?= <lukas@trkan.cz>
Date: Mon, 6 Oct 2025 17:40:40 +0200
Subject: [PATCH] feat(infrastructure): add metrics server

---
 7project/tofu/main.tf                        | 18 ++++++-----
 7project/tofu/modules/metrics-server/main.tf | 33 ++++++++++++++++++++
 2 files changed, 44 insertions(+), 7 deletions(-)
 create mode 100644 7project/tofu/modules/metrics-server/main.tf

diff --git a/7project/tofu/main.tf b/7project/tofu/main.tf
index 6919b8b..65d4cd6 100644
--- a/7project/tofu/main.tf
+++ b/7project/tofu/main.tf
@@ -42,23 +42,27 @@ provider "helm" {
 }
 
 module "storage" {
-  source = "${path.module}/modules/storage"
+  source = "./modules/storage"
+}
+
+module "metrics_server" {
+  source     = "./modules/metrics-server"#
 }
 
 module "loadbalancer" {
-  source     = "${path.module}/modules/metallb"
+  source     = "./modules/metallb"
   depends_on = [module.storage]
 
   metallb_ip_range = var.metallb_ip_range
 }
 
 module "cert-manager" {
-  source     = "${path.module}/modules/cert-manager"
+  source     = "./modules/cert-manager"
   depends_on = [module.loadbalancer]
 }
 
 module "cloudflare" {
-  source     = "${path.module}/modules/cloudflare"
+  source     = "./modules/cloudflare"
   depends_on = [module.cert-manager]
 
   cloudflare_api_token   = var.cloudflare_api_token
@@ -69,14 +73,14 @@ module "cloudflare" {
 }
 
 module "monitoring" {
-  source                 = "${path.module}/modules/prometheus"
+  source                 = "./modules/prometheus"
   depends_on             = [module.cloudflare]
   cloudflare_domain = var.cloudflare_domain
 }
 
 
 module "database" {
-  source     = "${path.module}/modules/maxscale"
+  source     = "./modules/maxscale"
   depends_on = [module.monitoring]
 
   mariadb_password      = var.mariadb_password
@@ -109,7 +113,7 @@ module "database" {
 #}
 
 module "rabbitmq" {
-  source            = "${path.module}/modules/rabbitmq"
+  source            = "./modules/rabbitmq"
   depends_on        = [module.database]
   base_domain       = var.cloudflare_domain
   rabbitmq-password = var.rabbitmq-password
diff --git a/7project/tofu/modules/metrics-server/main.tf b/7project/tofu/modules/metrics-server/main.tf
new file mode 100644
index 0000000..afb12e7
--- /dev/null
+++ b/7project/tofu/modules/metrics-server/main.tf
@@ -0,0 +1,33 @@
+terraform {
+  required_providers {
+    kubectl = {
+      source  = "gavinbunney/kubectl"
+      version = "1.19.0"
+    }
+    helm = {
+      source  = "hashicorp/helm"
+      version = "3.0.2"
+    }
+    kubernetes = {
+      source  = "hashicorp/kubernetes"
+      version = "2.38.0"
+    }
+  }
+}
+
+# Deploy metrics-server via Helm into kube-system namespace
+resource "helm_release" "metrics_server" {
+  name       = "metrics-server"
+  repository = "https://kubernetes-sigs.github.io/metrics-server/"
+  chart      = "metrics-server"
+  namespace  = "kube-system"
+
+  wait          = true
+  timeout       = 600
+  recreate_pods = false
+  force_update  = false
+
+  values = [
+    file("${path.module}/values.yaml")
+  ]
+}