fix aliyun error code handling changes, use error message string to

check message type

pkg/util/aliyun/errors.go

@@ -1,13 +1,15 @@
 package aliyun
 
 import (
-	aliyunerrors "github.com/aliyun/alibaba-cloud-sdk-go/sdk/errors"
+	"fmt"
+	"strings"
 )
 
 func isError(err error, code string) bool {
-	aliyunErr, ok := err.(aliyunerrors.Error)
-	if !ok {
+	errStr := fmt.Sprintf("%s", err)
+	if strings.Index(errStr, code) > 0 {
+		return true
+	} else {
 		return false
 	}
-	return aliyunErr.ErrorCode() == code
 }

pkg/util/aliyun/instance.go

@@ -702,6 +702,7 @@ func (self *SInstance) DeleteVM(ctx context.Context) error {
 				log.Infof("The instance is initializing, try later ...")
 				time.Sleep(10 * time.Second)
 			} else {
+				log.Errorf("DeleteVM fail: %s", err)
 				return err
 			}
 		} else {