ci: gitea: runners infra

infra/gitea-runners/opentofu/main.tf

@@ -0,0 +1,60 @@
+locals {
+  default_storage_class = "hcloud-volumes"
+
+  control_plane_nodepools = [
+    {
+      name        = "control-plane"
+      server_type = var.control_plane_server_type
+      location    = var.hetzner_location
+      labels      = []
+      taints      = []
+      count       = 1
+    },
+  ]
+
+  agent_nodepools = [
+    {
+      name        = "runner-workers"
+      server_type = var.worker_server_type
+      location    = var.hetzner_location
+      labels      = ["node-role.hectic-lab/gitea-runner=true"]
+      taints      = []
+      count       = var.worker_count
+    },
+  ]
+}
+
+module "kube_hetzner" {
+  source  = "kube-hetzner/kube-hetzner/hcloud"
+  version = "2.19.3"
+
+  providers = {
+    hcloud = hcloud
+  }
+
+  hcloud_token    = var.hcloud_token
+  ssh_public_key  = var.ssh_public_key
+  ssh_private_key = var.ssh_private_key
+
+  cluster_name = var.cluster_name
+  base_domain  = var.base_domain
+
+  # kube-hetzner v2.19.3 writes <cluster_name>_kubeconfig.yaml; outputs below
+  # expose that expected path without outputting kubeconfig private key material.
+  create_kubeconfig = true
+
+  network_region          = var.network_region
+  load_balancer_location  = var.hetzner_location
+  control_plane_nodepools = local.control_plane_nodepools
+  agent_nodepools         = local.agent_nodepools
+
+  # Hetzner CSI is the required StorageClass provider for runner PVCs.
+  disable_hetzner_csi = false
+
+  # Longhorn is intentionally off; the initial runner PVCs use Hetzner CSI only.
+  enable_longhorn = false
+
+  # Scaling note: for 10 trusted DinD jobs later, keep autoscaling disabled and
+  # raise worker_count to 5 or increase worker_server_type after validating pod
+  # CPU, memory, and ephemeral-storage pressure in Task 11.
+}