upi/vsphere: Use Afterburn guestinfo

for configuring the static IP, instead of using an ifcfg file.

upi/vsphere/vm/ignition.tf

@@ -16,12 +16,12 @@ data "ignition_file" "hostname" {
 data "ignition_file" "static_ip" {
   for_each = var.hostnames_ip_addresses
 
-  path       = "/etc/sysconfig/network-scripts/ifcfg-ens192"
+  path       = "/etc/NetworkManager/system-connections/static-ethernet-ens192.nmconnection"
   mode       = "420"
 
   content {
-    content = templatefile("${path.module}/ifcfg.tmpl", {
-      dns_addresses = var.dns_addresses,
+    content = templatefile("${path.module}/nm-keyfile.tmpl", {
+      dns_addresses = var.dns_addresses
       machine_cidr  = var.machine_cidr
       //ip_address     = var.hostnames_ip_addresses[count.index].value
       ip_address     = each.value

upi/vsphere/vm/main.tf

@@ -29,8 +29,9 @@ resource "vsphere_virtual_machine" "vm" {
   }
 
   extra_config = {
-    "guestinfo.ignition.config.data"          = base64encode(data.ignition_config.ign[each.key].rendered)
-    "guestinfo.ignition.config.data.encoding" = "base64"
+    "guestinfo.afterburn.initrd.network-kargs" = "ip=${each.value}::${cidrhost(var.machine_cidr, 1)}:${cidrnetmask(var.machine_cidr)}:${element(split(".", each.key), 0)}:ens192:off:${join(":", var.dns_addresses)}"
+    "guestinfo.ignition.config.data"           = base64encode(data.ignition_config.ign[each.key].rendered)
+    "guestinfo.ignition.config.data.encoding"  = "base64"
   }
 }
 

upi/vsphere/vm/nm-keyfile.tmpl

@@ -0,0 +1,12 @@
+[connection]
+id=static-ethernet-ens192
+uuid=${uuid()}
+type=802-3-ethernet
+interface-name=ens192
+autoconnect=true
+
+[ipv4]
+method=manual
+dns=${join(";", dns_addresses)}
+address1=${ip_address}/${element(split("/", machine_cidr), 1)}
+gateway=${cidrhost(machine_cidr, 1)}