Fixed save functionality to save snapshot even if snapshot does not a…

cmd/gokube/cmd/save.go

@@ -65,6 +65,7 @@ func saveRun(cmd *cobra.Command, args []string) error {
 	if err != nil {
 		return fmt.Errorf("cannot take minikube VM snapshot %s: %w", savedSnapshotName, err)
 	}
+	fmt.Printf("Snapshot '%s' created of minikube VM...\n", savedSnapshotName)
 	if running {
 		return start()
 	} else {

pkg/virtualbox/vbm.go

@@ -18,6 +18,7 @@ const (
 	retryCountOnObjectNotReadyError = 5
 	objectNotReady                  = "error: The object is not ready"
 	retryDelay                      = 100 * time.Millisecond
+	snapshotNotExist                = "Could not find a snapshot named"
 )
 
 var (
@@ -26,10 +27,10 @@ var (
 	reEqualQuoteLine  = regexp.MustCompile(`"(.+)"="(.*)"`)
 	reMachineNotFound = regexp.MustCompile(`Could not find a registered machine named '(.+)'`)
 
-	ErrMachineNotExist = errors.New("machine does not exist")
-	ErrVBMNotFound     = errors.New("VBoxManage not found. Make sure VirtualBox is installed and VBoxManage is in the path")
-
-	vboxManageCmd = detectVBoxManageCmd()
+	ErrMachineNotExist     = errors.New("machine does not exist")
+	ErrVBMNotFound         = errors.New("VBoxManage not found. Make sure VirtualBox is installed and VBoxManage is in the path")
+	ErrVBMSnapshotNotFound = errors.New("snapshot does not exist")
+	vboxManageCmd          = detectVBoxManageCmd()
 )
 
 // VBoxManager defines the interface to communicate to VirtualBox.
@@ -82,6 +83,10 @@ func (v *VBoxCmdManager) vbmOutErrRetry(retry int, args ...string) (string, stri
 		}
 	}
 
+	if strings.Contains(stderrStr, snapshotNotExist) {
+		err = ErrVBMSnapshotNotFound
+	}
+
 	// Sometimes, we just need to retry...
 	if retry > 1 {
 		if strings.Contains(stderrStr, objectNotReady) {

pkg/virtualbox/virtualbox.go

@@ -136,6 +136,10 @@ func ResetHostOnlyNetworkLeases(hostOnlyCIDR string, verbose bool) error {
 func DeleteSnapshot(name string) error {
 	err := vboxManager.vbm("snapshot", "minikube", "delete", name)
 	if err != nil {
+		if err == ErrVBMSnapshotNotFound {
+			fmt.Printf("Existing snapshot '%s' not found, no delete required...\n", name)
+			return nil
+		}
 		return errors.New("not able to delete VM snapshot")
 	}
 	return nil