make kubeapi a variable

terraform/modules/rke1/security_group.tf

@@ -80,7 +80,7 @@ resource "openstack_networking_secgroup_rule_v2" "ingress_kubeapi" {
   protocol          = "tcp"
   port_range_min    = 6443
   port_range_max    = 6443
-  remote_ip_prefix  = "141.142.0.0/16"
+  remote_ip_prefix  = var.openstack_security_kubernetes
   security_group_id = openstack_networking_secgroup_v2.cluster_security_group.id
   depends_on        = [openstack_networking_secgroup_v2.cluster_security_group]
 }

terraform/modules/rke1/variables.tf

@@ -131,6 +131,12 @@ variable "openstack_zone" {
   default     = "nova"
 }
 
+variable "openstack_security_kubernetes" {
+  type        = string
+  description = "IP address to allow connections to kube api port"
+  default     = "141.142.0.0/16"
+}
+
 # ----------------------------------------------------------------------
 # OPENSTACK NODES
 # ----------------------------------------------------------------------