Merge pull request #651 in YUNIONIO/onecloud from release/2.3.0 to release/2.4.0

* commit '818c2af8c7ff09b193f8bec30b527df312102cc3':
  避免id为空时返回其他机器
  aws security group add tags
  aws security group fix

pkg/util/qcloud/host.go

@@ -243,6 +243,9 @@ func (self *SHost) GetIStorages() ([]cloudprovider.ICloudStorage, error) {
 }
 
 func (self *SHost) GetIVMById(gid string) (cloudprovider.ICloudVM, error) {
+	if len(gid) == 0 {
+		return nil, cloudprovider.ErrNotFound
+	}
 	parts, _, err := self.zone.region.GetInstances(self.zone.Zone, []string{gid}, 0, 1)
 	if err != nil {
 		return nil, err