Added graphics variable

Add the variable var.graphics to allow overriding the default graphics type of 'spice' with 'vnc' which is compatible with RHEL9.

Author: paisley

README.md

@@ -52,6 +52,7 @@ No modules.
 | <a name="input_bridge"></a> [bridge](#input\_bridge) | Bridge interface | `string` | `"virbr0"` | no |
 | <a name="input_cpu_mode"></a> [cpu\_mode](#input\_cpu\_mode) | CPU mode | `string` | `"host-passthrough"` | no |
 | <a name="input_dhcp"></a> [dhcp](#input\_dhcp) | Use DHCP or Static IP settings | `bool` | `false` | no |
+| <a name="input_graphics"></a> [graphics](#graphics) | Graphics type (can be '`spice`' or '`vnc`') | `string` | `spice` | no |
 | <a name="input_index_start"></a> [index\_start](#input\_index\_start) | From where the indexig start | `number` | `1` | no |
 | <a name="input_ip_address"></a> [ip\_address](#input\_ip\_address) | List of IP addresses | `list(string)` | <pre>[<br>  "192.168.123.101"<br>]</pre> | no |
 | <a name="input_ip_gateway"></a> [ip\_gateway](#input\_ip\_gateway) | IP addresses of a gateway | `string` | `"192.168.123.1"` | no |

examples/basic/main.tf

@@ -11,6 +11,7 @@ module "test_nodes" {
   memory             = "512"
   vcpu               = 1
   system_volume      = 20
+  graphics           = "vnc"
   ssh_admin          = "admin"
   ssh_private_key    = "~/.ssh/your_key_id_ed25519"
   ssh_keys = [

main.tf

@@ -65,7 +65,7 @@ resource "libvirt_domain" "virt-machine" {
   }
 
   graphics {
-    type        = "spice"
+    type        = var.graphics
     listen_type = "address"
     autoport    = true
   }

variables.tf

@@ -200,3 +200,14 @@ variable "runcmd" {
     "[ systemctl, restart, systemd-networkd ]"
   ]
 }
+
+variable "graphics" {
+  description = "Graphics type"
+  type        = string
+  default     = "spice"
+
+  validation {
+    condition     = contains(["spice", "vnc"], var.graphics)
+    error_message = "Graphics type not supported. Only 'spice' or 'vnc' are valid options."
+  }
+}