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Qishuai Liu 2025-05-08 11:31:59 +09:00 committed by GitHub
commit dd5d4f541d
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1 changed files with 31 additions and 22 deletions

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@ -13,7 +13,8 @@ var defaultNTPServers = []string{
"time.aws.com",
"time.windows.com",
"time.google.com",
"162.159.200.123", // time.cloudflare.com
"162.159.200.123", // time.cloudflare.com IPv4
"2606:4700:f1::123", // time.cloudflare.com IPv6
"0.pool.ntp.org",
"1.pool.ntp.org",
"2.pool.ntp.org",
@ -57,6 +58,13 @@ func (t *TimeSync) queryMultipleNTP(servers []string, timeout time.Duration) (no
// query the server
now, response, err := queryNtpServer(server, timeout)
if err != nil {
scopedLogger.Warn().
Str("error", err.Error()).
Msg("failed to query NTP server")
results <- nil
return
}
// set the last RTT
metricNtpServerLastRTT.WithLabelValues(
@ -76,7 +84,6 @@ func (t *TimeSync) queryMultipleNTP(servers []string, timeout time.Duration) (no
strconv.Itoa(int(response.Precision)),
).Set(1)
if err == nil {
// increase success count
metricNtpTotalSuccessCount.Inc()
metricNtpSuccessCount.WithLabelValues(server).Inc()
@ -92,16 +99,18 @@ func (t *TimeSync) queryMultipleNTP(servers []string, timeout time.Duration) (no
now: now,
offset: &response.ClockOffset,
}
} else {
scopedLogger.Warn().
Str("error", err.Error()).
Msg("failed to query NTP server")
}
}(server)
}
for range servers {
result := <-results
return result.now, result.offset
if result == nil {
continue
}
now, offset = result.now, result.offset
return
}
return
}
func queryNtpServer(server string, timeout time.Duration) (now *time.Time, response *ntp.Response, err error) {