add UEFI boot type (#32)

builder/nutanix/config.go

@@ -19,6 +19,14 @@ import (
 	"github.com/hashicorp/packer-plugin-sdk/template/interpolate"
 )
 
+const (
+	// NutanixIdentifierBootTypeLegacy is a resource identifier identifying the legacy boot type for virtual machines.
+	NutanixIdentifierBootTypeLegacy string = "legacy"
+
+	// NutanixIdentifierBootTypeUEFI is a resource identifier identifying the UEFI boot type for virtual machines.
+	NutanixIdentifierBootTypeUEFI string = "uefi"
+)
+
 type Config struct {
 	common.PackerConfig            `mapstructure:",squash"`
 	CommConfig                     communicator.Config `mapstructure:",squash"`
@@ -52,6 +60,7 @@ type VmNIC struct {
 type VmConfig struct {
 	VMName      string   `mapstructure:"vm_name" json:"vm_name" required:"false"`
 	OSType      string   `mapstructure:"os_type" json:"os_type" required:"true"`
+	BootType    string   `mapstructure:"boot_type" json:"boot_type" required:"false"`
 	VmDisks     []VmDisk `mapstructure:"vm_disks"`
 	VmNICs      []VmNIC  `mapstructure:"vm_nics"`
 	ImageName   string   `mapstructure:"image_name" json:"image_name" required:"false"`
@@ -109,6 +118,11 @@ func (c *Config) Prepare(raws ...interface{}) ([]string, error) {
 		c.ClusterConfig.Port = 9440
 	}
 
+	if c.BootType != NutanixIdentifierBootTypeLegacy && c.BootType != NutanixIdentifierBootTypeUEFI {
+		log.Println("No correct VM Boot Type configured, defaulting to 'legacy'")
+		c.BootType = string(NutanixIdentifierBootTypeLegacy)
+	}
+
 	// Validate Cluster Username
 	if c.ClusterConfig.Username == "" {
 		log.Println("Nutanix Username missing from configuration")

builder/nutanix/driver.go

@@ -1,6 +1,7 @@
 package nutanix
 
 import (
+	"strings"
 	"time"
 
 	"fmt"
@@ -343,6 +344,14 @@ func (d *NutanixDriver) CreateRequest(vm VmConfig) (*v3.VMIntentInput, error) {
 		},
 	}
 
+	if vm.BootType == NutanixIdentifierBootTypeUEFI {
+		bootType := strings.ToUpper(vm.BootType)
+
+		req.Spec.Resources.BootConfig = &v3.VMBootConfig{
+			BootType: &bootType,
+		}
+	}
+
 	return req, nil
 
 }