缺陷: 最新版本sealos init 安装k8s 失败 (#778) (#780)

Fixes #691

(cherry picked from commit 2b4578385c)

Co-authored-by: ldseraph <ld.seraph@163.com>

pkg/install/init.go

@@ -138,6 +138,7 @@ func (s *SealosInstaller) appendAPIServer() error {
 	etcHostMap := fmt.Sprintf("%s %s", utils.IPFormat(s.Masters[0]), v1.APIServer)
 	file, err := os.OpenFile(etcHostPath, os.O_RDWR|os.O_APPEND, 0666)
 	if err != nil {
+		logger.Error("open %s file error %s", etcHostPath, err)
 		os.Exit(1)
 	}
 	defer file.Close()