fix: fixed-ip addresses for VMs on internal openstack subnet is now portable...

fix: fixed-ip addresses for VMs on internal openstack subnet is now portable and will work even when subnet cidr is significantly changed

clouds/g2/ostrava/scalability-test/terraform/modules/2tier_public_bastion_private_vm_farm/bastion-networks.tf

@@ -16,6 +16,6 @@ resource "openstack_networking_port_v2" "bastion_port" {
   security_group_ids = [openstack_networking_secgroup_v2.secgroup_default.id]
   fixed_ip {
     subnet_id = var.internal_subnet_creation_enable ? openstack_networking_subnet_v2.subnet_default[0].id : data.openstack_networking_subnet_v2.internal_shared_personal_subnet[0].id
-    ip_address = format("%s.%d", substr(var.internal_network_cidr, 0, length(var.internal_network_cidr)-5), 100)
+    ip_address = format("%s.%d", regex("[0-9]+\\.[0-9]+\\.[0-9]+", var.internal_network_cidr), 100)
   }
 }

clouds/g2/ostrava/scalability-test/terraform/modules/common/networks.tf

@@ -48,6 +48,6 @@ resource "openstack_networking_port_v2" "nodes_ports" {
   security_group_ids = [openstack_networking_secgroup_v2.secgroup_default.id]
   fixed_ip {
     subnet_id = var.internal_subnet_creation_enable ? openstack_networking_subnet_v2.subnet_default[0].id : data.openstack_networking_subnet_v2.internal_shared_personal_subnet[0].id
-    ip_address = format("%s.%d", substr(var.internal_network_cidr, 0, length(var.internal_network_cidr)-5), 101 + count.index)
+    ip_address = format("%s.%d", regex("[0-9]+\\.[0-9]+\\.[0-9]+", var.internal_network_cidr), 101 + count.index)
   }
 }