noticer: job 执行失败时发送邮件

bin/web/server.go

@@ -34,12 +34,14 @@ func main() {
 		return
 	}
 
-	noticer, err := models.NewMail(10 * time.Second)
+	if conf.Config.Mail.Enable {
-	if err != nil {
+		noticer, err := models.NewMail(10 * time.Second)
-		log.Error(err.Error())
+		if err != nil {
-		return
+			log.Error(err.Error())
+			return
+		}
+		go models.StartNoticer(noticer)
 	}
-	go models.StartNoticer(noticer)
 
 	go func() {
 		err := httpServer.Serve(httpL)

conf/conf.go

@@ -79,9 +79,12 @@ type webConfig struct {
 
 type MailConf struct {
 	Enable bool
+	To     []string
+	// 如果配置，则按 http api 方式发送，否则按 smtp 方式发送
+	HttpApi string
 	// 如果此时间段内没有邮件发送，则关闭 SMTP 连接，单位/秒
 	Keepalive int64
-	gomail.Dialer
+	*gomail.Dialer
 }
 
 type Security struct {

conf/files/mail.json.sample

@@ -1,5 +1,7 @@
 {
     "Enable": true,
+    "To": ["na@nb.com"],
+    "#HttpAPI": "如有此字段，则按 http api 方式发送",
     "#Keepalive": "如果此时间段内没有邮件发送，则关闭 SMTP 连接，单位/秒",
     "Keepalive": 30,
     "#doc": "https://godoc.org/github.com/go-gomail/gomail#Dialer",

models/job.go

@@ -62,6 +62,8 @@ type Job struct {
 	AvgTime int64 `json:"avg_time"`
 	// 执行失败发送通知
 	FailNotify bool `json:"fail_notify"`
+	// 发送通知地址
+	To []string
 
 	// 执行任务的结点，用于记录 job log
 	runOn string
@@ -537,9 +539,45 @@ func (j *Job) Success(t time.Time, out string) {
 }
 
 func (j *Job) Fail(t time.Time, msg string) {
+	j.Notify(t, msg)
 	CreateJobLog(j, t, msg, false)
 }
 
+func (j *Job) Notify(t time.Time, msg string) {
+	if !conf.Config.Mail.Enable || !j.FailNotify {
+		return
+	}
+
+	ts := t.Format(time.RFC3339)
+	body := "job: " + j.Key() + "\n" +
+		"node: " + j.runOn + "\n" +
+		"time: " + ts + "\n" +
+		"err: " + msg
+
+	m := Message{
+		Subject: "node[" + j.runOn + "] job[" + j.ID + "] time[" + ts + " exec failed",
+		Body:    body,
+	}
+	if len(conf.Config.Mail.To) > 0 {
+		m.To = append(m.To, conf.Config.Mail.To...)
+	}
+	if len(j.To) > 0 {
+		m.To = append(m.To, j.To...)
+	}
+
+	data, err := json.Marshal(m)
+	if err != nil {
+		log.Warnf("job[%s] send notice fail, err: %s", j.Key(), err.Error())
+		return
+	}
+
+	_, err = DefalutClient.Put(conf.Config.Noticer+"/"+j.runOn, string(data))
+	if err != nil {
+		log.Warnf("job[%s] send notice fail, err: %s", j.Key(), err.Error())
+		return
+	}
+}
+
 func (j *Job) Avg(t, et time.Time) {
 	execTime := int64(et.Sub(t) / time.Millisecond)
 	if j.AvgTime == 0 {