feat(config): add AddDevices function

In most cases, there might be more than one device. Adding the AddDevices method helps reduce the amount of code.

Signed-off-by: Black-Hole1 <[email protected]>

pkg/config/config.go

@@ -146,6 +146,11 @@ func (vm *VirtualMachine) AddDevice(dev VirtioDevice) {
 	vm.Devices = append(vm.Devices, dev)
 }
 
+// AddDevices adds a list of devices to vm.
+func (vm *VirtualMachine) AddDevices(dev ...VirtioDevice) {
+	vm.Devices = append(vm.Devices, dev...)
+}
+
 func (vm *VirtualMachine) AddTimeSyncFromCmdLine(cmdlineOpts string) error {
 	if cmdlineOpts == "" {
 		return nil

pkg/config/json_test.go

@@ -79,14 +79,12 @@ var jsonTests = map[string]jsonTest{
 			dev = VirtioVsockNew(1234, "/virtiovsock", false)
 			vm.AddDevice(dev)
 			// virtio-fs
-			dev = VirtioFsNew("/virtiofs", "tag")
-			vm.AddDevice(dev)
+			fs := VirtioFsNew("/virtiofs", "tag")
 			// USB mass storage
-			dev = USBMassStorageNew("/usbmassstorage")
-			vm.AddDevice(dev)
+			usb := USBMassStorageNew("/usbmassstorage")
 			// rosetta
-			dev = RosettaShareNew("vz-rosetta")
-			vm.AddDevice(dev)
+			rosetta := RosettaShareNew("vz-rosetta")
+			vm.AddDevices(fs, usb, rosetta)
 
 			return vm
 		},