remove local DNS as a dependency for k3s

Author: sjpb

environments/skeleton/{{cookiecutter.environment}}/terraform/compute.tf

@@ -16,5 +16,6 @@ module "compute" {
   key_pair = var.key_pair
   environment_root = var.environment_root
   k3s_token = var.k3s_token
+  k3s_server = [for n in openstack_compute_instance_v2.control["control"].network: n.fixed_ip_v4 if n.access_network][0]
   security_group_ids = [for o in data.openstack_networking_secgroup_v2.nonlogin: o.id]
 }

environments/skeleton/{{cookiecutter.environment}}/terraform/compute/nodes.tf

@@ -47,7 +47,7 @@ resource "openstack_compute_instance_v2" "compute" {
   metadata = {
     environment_root = var.environment_root
     k3s_token = var.k3s_token
-    k3s_server = "${var.cluster_name}-control"
+    k3s_server = var.k3s_server
     k3s_node_type = "agent"
   }
 

environments/skeleton/{{cookiecutter.environment}}/terraform/compute/variables.tf

@@ -72,3 +72,8 @@ variable "k3s_token" {
     description = "Random cryptographically secure string for K3s token (must be set by ../compute.tf)"
     type = string
 }
+
+variable "k3s_server" {
+    description = "Name/address of k3s server"
+    type = string
+}

environments/skeleton/{{cookiecutter.environment}}/terraform/nodes.tf

@@ -77,7 +77,7 @@ resource "openstack_compute_instance_v2" "control" {
   metadata = {
     environment_root = var.environment_root
     k3s_token = var.k3s_token
-    k3s_server = "${var.cluster_name}-control"
+    k3s_server = "" # think this can go?
     k3s_node_type = "server"
   }
 
@@ -128,7 +128,7 @@ resource "openstack_compute_instance_v2" "login" {
   metadata = {
     environment_root = var.environment_root
     k3s_token = var.k3s_token
-    k3s_server = "${var.cluster_name}-control"
+    k3s_server = [for n in openstack_compute_instance_v2.control["control"].network: n.fixed_ip_v4 if n.access_network][0]
     k3s_node_type = "agent"
   }