始终发送ip变更通知+优化ssl与延迟通知静音缓存规则
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Akkia
parent
865848668b
commit
966dfc0496
@ -118,12 +118,16 @@ func (s *NezhaHandler) ReportSystemInfo(c context.Context, r *pb.Host) (*pb.Rece
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host.IP != "" &&
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singleton.ServerList[clientID].Host.IP != host.IP {
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singleton.SendNotification(singleton.Conf.IPChangeNotificationTag, fmt.Sprintf(
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"[%s] %s, %s => %s",
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singleton.Localizer.MustLocalize(&i18n.LocalizeConfig{
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MessageID: "IPChanged",
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}),
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singleton.ServerList[clientID].Name, singleton.IPDesensitize(singleton.ServerList[clientID].Host.IP), singleton.IPDesensitize(host.IP)), singleton.NotificationMuteLabel.IPChanged(clientID), nil)
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singleton.SendNotification(singleton.Conf.IPChangeNotificationTag,
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fmt.Sprintf(
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"[%s] %s, %s => %s",
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singleton.Localizer.MustLocalize(&i18n.LocalizeConfig{
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MessageID: "IPChanged",
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}),
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singleton.ServerList[clientID].Name, singleton.IPDesensitize(singleton.ServerList[clientID].Host.IP),
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singleton.IPDesensitize(host.IP),
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),
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nil)
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}
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// 判断是否是机器重启，如果是机器重启要录入最后记录的流量里面
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@ -165,8 +165,7 @@ func checkStatus() {
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go SendTriggerTasks(alert.FailTriggerTasks, curServer.ID)
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go SendNotification(alert.NotificationTag, message, NotificationMuteLabel.ServerIncident(server.ID, alert.ID), &curServer)
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// 清除恢复通知的静音缓存
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resolvedMuteLabel := NotificationMuteLabel.AppendNotificationTag(NotificationMuteLabel.ServerIncidentResolved(server.ID, alert.ID), alert.NotificationTag)
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Cache.Delete(*resolvedMuteLabel)
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UnMuteNotification(alert.NotificationTag, NotificationMuteLabel.ServerIncidentResolved(server.ID, alert.ID))
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}
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} else {
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// 本次通过检查但上一次的状态为失败，则发送恢复通知
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@ -177,8 +176,7 @@ func checkStatus() {
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go SendTriggerTasks(alert.RecoverTriggerTasks, curServer.ID)
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go SendNotification(alert.NotificationTag, message, NotificationMuteLabel.ServerIncidentResolved(server.ID, alert.ID), &curServer)
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// 清除失败通知的静音缓存
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incidentMuteLabel := NotificationMuteLabel.AppendNotificationTag(NotificationMuteLabel.ServerIncident(server.ID, alert.ID), alert.NotificationTag)
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Cache.Delete(*incidentMuteLabel)
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UnMuteNotification(alert.NotificationTag, NotificationMuteLabel.ServerIncident(server.ID, alert.ID))
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}
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alertsPrevState[alert.ID][server.ID] = _RuleCheckPass
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}
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@ -102,6 +102,11 @@ func OnDeleteNotification(id uint64) {
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delete(NotificationIDToTag, id)
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}
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func UnMuteNotification(notificationTag string, muteLabel *string) {
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fullMuteLabel := *NotificationMuteLabel.AppendNotificationTag(muteLabel, notificationTag)
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Cache.Delete(fullMuteLabel)
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}
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// SendNotification 向指定的通知方式组的所有通知方式发送通知
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func SendNotification(notificationTag string, desc string, muteLabel *string, ext ...*model.Server) {
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if muteLabel != nil {
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@ -199,7 +204,7 @@ func (_NotificationMuteLabel) ServiceStateChanged(serviceId uint64) *string {
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return &label
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}
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func (_NotificationMuteLabel) ServiceSSL(serviceId uint64) *string {
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label := fmt.Sprintf("bf::sssl-%d", serviceId)
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func (_NotificationMuteLabel) ServiceSSL(serviceId uint64, extraInfo string) *string {
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label := fmt.Sprintf("bf::sssl-%d-%s", serviceId, extraInfo)
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return &label
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}
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@ -382,19 +382,27 @@ func (ss *ServiceSentinel) worker() {
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if mh.Delay > 0 {
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ss.monitorsLock.RLock()
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if ss.monitors[mh.GetId()].LatencyNotify {
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notificationTag := ss.monitors[mh.GetId()].NotificationTag
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minMuteLabel := NotificationMuteLabel.ServiceLatencyMin(mh.GetId())
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maxMuteLabel := NotificationMuteLabel.ServiceLatencyMax(mh.GetId())
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if mh.Delay > ss.monitors[mh.GetId()].MaxLatency {
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// 延迟超过最大值
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ServerLock.RLock()
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reporterServer := ServerList[r.Reporter]
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msg := fmt.Sprintf("[Latency] %s %2f > %2f, Reporter: %s", ss.monitors[mh.GetId()].Name, mh.Delay, ss.monitors[mh.GetId()].MaxLatency, reporterServer.Name)
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muteLabel := NotificationMuteLabel.ServiceLatencyMin(mh.GetId())
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go SendNotification(ss.monitors[mh.GetId()].NotificationTag, msg, muteLabel)
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go SendNotification(notificationTag, msg, minMuteLabel)
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ServerLock.RUnlock()
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}
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if mh.Delay < ss.monitors[mh.GetId()].MinLatency {
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} else if mh.Delay < ss.monitors[mh.GetId()].MinLatency {
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// 延迟低于最小值
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ServerLock.RLock()
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reporterServer := ServerList[r.Reporter]
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go SendNotification(ss.monitors[mh.GetId()].NotificationTag, fmt.Sprintf("[Latency] %s %2f < %2f, Reporter: %s", ss.monitors[mh.GetId()].Name, mh.Delay, ss.monitors[mh.GetId()].MinLatency, reporterServer.Name), NotificationMuteLabel.ServiceLatencyMax(mh.GetId()))
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msg := fmt.Sprintf("[Latency] %s %2f < %2f, Reporter: %s", ss.monitors[mh.GetId()].Name, mh.Delay, ss.monitors[mh.GetId()].MinLatency, reporterServer.Name)
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go SendNotification(notificationTag, msg, maxMuteLabel)
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ServerLock.RUnlock()
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} else {
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// 正常延迟， 清除静音缓存
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UnMuteNotification(notificationTag, minMuteLabel)
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UnMuteNotification(notificationTag, maxMuteLabel)
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}
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}
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ss.monitorsLock.RUnlock()
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@ -419,8 +427,7 @@ func (ss *ServiceSentinel) worker() {
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// 状态变更时，清除静音缓存
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if stateCode != lastStatus {
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fullLabel := *NotificationMuteLabel.AppendNotificationTag(muteLabel, notificationTag)
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Cache.Delete(fullLabel)
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UnMuteNotification(notificationTag, muteLabel)
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}
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go SendNotification(notificationTag, notificationMsg, muteLabel)
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@ -450,46 +457,76 @@ func (ss *ServiceSentinel) worker() {
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// SSL 证书报警
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var errMsg string
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if strings.HasPrefix(mh.Data, "SSL证书错误：") {
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// 排除 i/o timeout、connection timeout、EOF 错误
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// i/o timeout、connection timeout、EOF 错误
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if !strings.HasSuffix(mh.Data, "timeout") &&
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!strings.HasSuffix(mh.Data, "EOF") &&
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!strings.HasSuffix(mh.Data, "timed out") {
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errMsg = mh.Data
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ss.monitorsLock.RLock()
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if ss.monitors[mh.GetId()].Notify {
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muteLabel := NotificationMuteLabel.ServiceSSL(mh.GetId(), "network")
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go SendNotification(ss.monitors[mh.GetId()].NotificationTag, fmt.Sprintf("[SSL] Fetch cert info failed, %s %s", ss.monitors[mh.GetId()].Name, errMsg), muteLabel)
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}
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ss.monitorsLock.RUnlock()
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}
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} else {
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// 清除网络错误静音缓存
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UnMuteNotification(ss.monitors[mh.GetId()].NotificationTag, NotificationMuteLabel.ServiceSSL(mh.GetId(), "network"))
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var newCert = strings.Split(mh.Data, "|")
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if len(newCert) > 1 {
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ss.monitorsLock.Lock()
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enableNotify := ss.monitors[mh.GetId()].Notify
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// 首次获取证书信息时，缓存证书信息
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if ss.sslCertCache[mh.GetId()] == "" {
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ss.sslCertCache[mh.GetId()] = mh.Data
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}
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oldCert := strings.Split(ss.sslCertCache[mh.GetId()], "|")
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isCertChanged := false
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expiresOld, _ := time.Parse("2006-01-02 15:04:05 -0700 MST", oldCert[1])
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expiresNew, _ := time.Parse("2006-01-02 15:04:05 -0700 MST", newCert[1])
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// 证书过期提醒
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if expiresNew.Before(time.Now().AddDate(0, 0, 7)) {
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errMsg = fmt.Sprintf(
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"The SSL certificate will expire within seven days. Expiration time: %s",
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expiresNew.Format("2006-01-02 15:04:05"))
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}
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// 证书变更提醒
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var oldCert = strings.Split(ss.sslCertCache[mh.GetId()], "|")
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var expiresOld time.Time
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if len(oldCert) > 1 {
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expiresOld, _ = time.Parse("2006-01-02 15:04:05 -0700 MST", oldCert[1])
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}
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// 证书变更时，更新缓存
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if oldCert[0] != newCert[0] && !expiresNew.Equal(expiresOld) {
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isCertChanged = true
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ss.sslCertCache[mh.GetId()] = mh.Data
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errMsg = fmt.Sprintf(
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"SSL certificate changed, old: %s, %s expired; new: %s, %s expired.",
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oldCert[0], expiresOld.Format("2006-01-02 15:04:05"), newCert[0], expiresNew.Format("2006-01-02 15:04:05"))
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}
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notificationTag := ss.monitors[mh.GetId()].NotificationTag
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serviceName := ss.monitors[mh.GetId()].Name
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ss.monitorsLock.Unlock()
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// 需要发送提醒
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if enableNotify {
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// 证书过期提醒
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if expiresNew.Before(time.Now().AddDate(0, 0, 7)) {
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expiresTimeStr := expiresNew.Format("2006-01-02 15:04:05")
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errMsg = fmt.Sprintf(
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"The SSL certificate will expire within seven days. Expiration time: %s",
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expiresTimeStr,
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)
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// 静音规则： 服务id+证书过期时间
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// 用于避免多个监测点对相同证书同时报警
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muteLabel := NotificationMuteLabel.ServiceSSL(mh.GetId(), fmt.Sprintf("expire_%s", expiresTimeStr))
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go SendNotification(notificationTag, fmt.Sprintf("[SSL] %s %s", serviceName, errMsg), muteLabel)
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}
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// 证书变更提醒
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if isCertChanged {
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errMsg = fmt.Sprintf(
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"SSL certificate changed, old: %s, %s expired; new: %s, %s expired.",
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oldCert[0], expiresOld.Format("2006-01-02 15:04:05"), newCert[0], expiresNew.Format("2006-01-02 15:04:05"))
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// 证书变更后会自动更新缓存，所以不需要静音
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go SendNotification(notificationTag, fmt.Sprintf("[SSL] %s %s", serviceName, errMsg), nil)
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}
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}
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}
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}
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if errMsg != "" {
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ss.monitorsLock.RLock()
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if ss.monitors[mh.GetId()].Notify {
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go SendNotification(ss.monitors[mh.GetId()].NotificationTag, fmt.Sprintf("[SSL] %s %s", ss.monitors[mh.GetId()].Name, errMsg), NotificationMuteLabel.ServiceSSL(mh.GetId()))
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}
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ss.monitorsLock.RUnlock()
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}
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}
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}
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