feat: integrate tailscale access and lock SSH/API to tailnet

terraform/outputs.tf

@@ -3,6 +3,11 @@ output "control_plane_ips" {
   value       = [for cp in hcloud_server.control_plane : cp.ipv4_address]
 }
 
+output "control_plane_names" {
+  description = "Control plane hostnames"
+  value       = [for cp in hcloud_server.control_plane : cp.name]
+}
+
 output "control_plane_private_ips" {
   description = "Private IPs of control plane nodes"
   value       = [for cp in hcloud_server.control_plane : one(cp.network).ip]
@@ -18,6 +23,11 @@ output "worker_ips" {
   value       = [for worker in hcloud_server.workers : worker.ipv4_address]
 }
 
+output "worker_names" {
+  description = "Worker hostnames"
+  value       = [for worker in hcloud_server.workers : worker.name]
+}
+
 output "worker_private_ips" {
   description = "Private IPs of worker nodes"
   value       = [for worker in hcloud_server.workers : one(worker.network).ip]
@@ -33,6 +43,11 @@ output "cluster_name" {
   value       = var.cluster_name
 }
 
+output "tailscale_tailnet" {
+  description = "Tailnet domain suffix"
+  value       = var.tailscale_tailnet
+}
+
 output "network_cidr" {
   description = "Private network CIDR"
   value       = var.subnet_cidr