diff --git a/src/common/tools/hosts.go b/src/common/tools/hosts.go
index 210f71a35f5c0d36bc17e96c82e528a7955213d6..4315ccfc87c48be81e14a9a9f807233d229893d9 100644
--- a/src/common/tools/hosts.go
+++ b/src/common/tools/hosts.go
@@ -2,6 +2,7 @@ package tools
 
 import (
 	"bufio"
+	"fmt"
 	"os"
 	"strings"
 )
@@ -33,3 +34,23 @@ func HostsToJson() (data map[string][]string, err error) {
 	}
 	return data, nil
 }
+
+func MapToSaveHosts(data map[string][]string) error {
+	f, err := os.OpenFile("/etc/ansible/hosts", os.O_APPEND|os.O_CREATE|os.O_RDWR|os.O_TRUNC, 0777)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+	for k, v := range data {
+		_, err := f.Write([]byte(fmt.Sprintf("%s\n", k)))
+		if err != nil {
+			return err
+		}
+
+		_, err = f.Write([]byte(strings.Join(v, "\n")))
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}