Add support to override the default internal VIP and provide an inter…

…nal router VIP

lb.tf

@@ -20,6 +20,7 @@ module "lb" {
   bootstrap_node           = var.bootstrap_count > 0 ? cidrhost(local.privnet_cidr, 10) : ""
   lb_cloudscale_api_secret = var.lb_cloudscale_api_secret
   hieradata_repo_user      = var.hieradata_repo_user
-  internal_vip             = cidrhost(local.privnet_cidr, 100)
+  internal_vip             = local.internal_vip
+  internal_router_vip      = var.internal_router_vip
   enable_proxy_protocol    = var.lb_enable_proxy_protocol
 }

main.tf

@@ -6,6 +6,7 @@ locals {
   privnet_uuid          = local.create_privnet_subnet > 0 ? cloudscale_network.privnet[0].id : data.cloudscale_subnet.privnet_subnet[0].network_uuid
   privnet_cidr          = local.create_privnet_subnet > 0 ? var.privnet_cidr : data.cloudscale_subnet.privnet_subnet[0].cidr
   worker_volume_size_gb = var.worker_volume_size_gb == 0 ? var.default_volume_size_gb : var.worker_volume_size_gb
+  internal_vip          = var.internal_vip != "" ? var.internal_vip : cidrhost(local.privnet_cidr, 100)
 }
 
 resource "cloudscale_network" "privnet" {

variables.tf

@@ -193,3 +193,15 @@ variable "enable_nat_vip" {
   description = "Whether to configure a cloudscale floating IP for the default gateway NAT"
   default     = true
 }
+
+variable "internal_vip" {
+  type        = string
+  description = "Custom internal floating IP for the API. Users must provide an IP that's within the final privnet CIDR."
+  default     = ""
+}
+
+variable "internal_router_vip" {
+  type        = string
+  description = "Custom internal floating IP for the router. Users must provide an IP that's within the final privnet CIDR."
+  default     = ""
+}