Export config from module

modules/controller_pool/assets/kubeconfig_copy.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+/usr/bin/ssh -i $ssh_private_key_path -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null root@$controller "while true; do if ! type kubeadm > /dev/null; then sleep 20; else break; fi; done"
+sleep 360
+/usr/bin/scp -i $ssh_private_key_path -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -q root@$controller:/etc/kubernetes/admin.conf $local_path/kubeconfig;
+

modules/controller_pool/main.tf

@@ -63,6 +63,31 @@ resource "metal_device" "k8s_controller_standby" {
   project_id       = var.project_id
 }
 
+resource "null_resource" "kubeconfig" {
+  provisioner "local-exec" {
+    environment = {
+      controller           = metal_device.k8s_primary.network.0.address
+      kube_token           = var.kube_token
+      ssh_private_key_path = var.ssh_private_key_path
+      local_path           = path.root
+    }
+
+    command = "sh ${path.module}/assets/kubeconfig_copy.sh"
+  }
+
+  depends_on = [
+    null_resource.key_wait_transfer
+  ]
+}
+
+data "local_file" "kubeconfig" {
+  filename = "${path.root}/kubeconfig"
+
+  depends_on = [
+    null_resource.kubeconfig
+  ]
+}
+
 resource "null_resource" "key_wait_transfer" {
   count = var.control_plane_node_count
 

modules/controller_pool/outputs.tf

@@ -7,3 +7,8 @@ output "controller_addresses" {
 #   description = "Control Plane Node Addresses"
 #   value = "\n${join("\n${metal_device.k8s_controller_standby.*.network.0.address}")}\n"
 # }
+
+output "kubeconfig" {
+  description = "Kubeconfig for the newly created cluster"
+  value       = data.local_file.kubeconfig
+}

modules/controller_pool/variables.tf

@@ -111,4 +111,4 @@ variable "loadbalancer_type" {
   type        = string
   description = "The type of Load Balancer to configure with the Equinix CCM"
   default     = "metallb"
-}
+}

outputs.tf

@@ -6,3 +6,8 @@ output "kubernetes_api_address" {
   description = "The address of the Kubernetes API"
   value       = module.controllers.controller_addresses
 }
+
+output "kubernetes_kubeconfig" {
+  description = "Kubeconfig for the newly created cluster"
+  value       = module.controllers.kubeconfig
+}