From 4c37c7ab8424f8c99c76eed968016eb2068d67a4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=88=98=E7=A5=A5=E8=B6=85?= <iwind.liu@gmail.com>
Date: Thu, 3 Nov 2022 14:59:26 +0800
Subject: [PATCH] =?UTF-8?q?=E6=97=B6=E9=92=9F=E5=90=8C=E6=AD=A5=E5=A2=9E?=
 =?UTF-8?q?=E5=8A=A0=E6=98=AF=E5=90=A6=E6=A3=80=E6=9F=A5chrony=E9=80=89?=
 =?UTF-8?q?=E9=A1=B9?=
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---
 internal/utils/clock/manager.go | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/internal/utils/clock/manager.go b/internal/utils/clock/manager.go
index 43d845d..5cd51cb 100644
--- a/internal/utils/clock/manager.go
+++ b/internal/utils/clock/manager.go
@@ -79,6 +79,18 @@ func (this *ClockManager) Sync() error {
 		return nil
 	}
 
+	// check chrony
+	if config.CheckChrony {
+		chronycExe, err := exec.LookPath("chronyc")
+		if err == nil && len(chronycExe) > 0 {
+			var chronyCmd = executils.NewTimeoutCmd(3*time.Second, chronycExe, "tracking")
+			err = chronyCmd.Run()
+			if err == nil {
+				return nil
+			}
+		}
+	}
+
 	var server = config.Server
 	if len(server) == 0 {
 		server = "pool.ntp.org"