go开发alertmanger实现钉钉报警 go开发alertmanger实现钉钉报警

通过自己的url实现alertmanager的钉钉报警

webhook在alertmanger的配置

- name: 'dingding'webhook_configs:- send_resolved: trueurl: 'http://xxxx:8080/Alert'

go实现钉钉报警的程序

package mainimport ( "bytes" "encoding/json" "fmt" "net/http" "strings" "time" "log" "github.com/gin-gonic/gin")const ( webHook_Alert = "https://oapi.dingtalk.com/robot/send?access_token=xxxx")type Message struct { MsgType string `json:"msgtype"` Text struct {Content string `json:"content"`Mentioned_list string `json:"mentioned_list"`Mentioned_mobile_list string `json:"mentioned_mobile_list"` } `json:"text"`}type Alert struct { Labelsmap[string]string `json:"labels"` Annotations map[string]string `json:annotations` StartsAttime.Time`json:"startsAt"` EndsAttime.Time`json:"endsAt"`}//通知消息结构体type Notification struct { Versionstring`json:"version"` GroupKeystring`json:"groupKey"` Statusstring`json:"status"` Receiverstring`json:receiver` GroupLabelsmap[string]string `json:groupLabels` CommonLabelsmap[string]string `json:commonLabels` CommonAnnotations map[string]string `json:commonAnnotations` ExternalURLstring`json:externalURL` Alerts[]Alert`json:alerts`}//获取报警信息func getAlertInfo(notification Notification) string { var m Message m.MsgType = "text" msg,err := json.Marshal(notification.GroupLabels) if err != nil {log.Println("notification.GroupLabels Marshal failed",err) } msg1,err := json.Marshal(notification.CommonAnnotations["summary"]) if err != nil {log.Println("notification.CommonAnnotations Marshal failed",err) } //告警消息 var buffer bytes.Buffer buffer.WriteString(fmt.Sprintf("告警: %v\n",string(msg))) buffer.WriteString(fmt.Sprintf("Endpoint: %v\n",string(msg1))) buffer.WriteString(fmt.Sprintf("告警描述: \"我挂了，快来救我^OO^\"\n")) buffer.WriteString(fmt.Sprintf("Status:%v\n",notification.Status)) //恢复消息 var buffer2 bytes.Buffer buffer2.WriteString(fmt.Sprintf("告警: %v\n",string(msg))) buffer2.WriteString(fmt.Sprintf("Endpoint: %v\n",string(msg1))) buffer2.WriteString(fmt.Sprintf("告警描述: \"哈哈哈，我又回来了！！！\"\n")) //buffer2.WriteString(fmt.Sprintf("mentioned_mobile_list: %v\n",msgres["mentioned_mobile_list"])) buffer2.WriteString(fmt.Sprintf("Status:%v\n",notification.Status)) if notification.Status == "resolved"{m.Text.Content = buffer2.String() }else {m.Text.Content = buffer.String() } jsons, err := json.Marshal(m) resp := string(jsons) return resp}//钉钉报警func SendAlertDingMsg(msg string) { defer func() {if err := recover(); err != nil {fmt.Println("err")} }() content := `{"msgtype": "text","text": {"content": "` + msg + `"} }` //创建一个请求 req, err := http.NewRequest("POST", webHook_Alert, strings.NewReader(content)) if err != nil {fmt.Println(err)fmt.Println("钉钉报警请求异常") } client := &http.Client{} //设置请求头 req.Header.Set("Content-Type", "application/json; charset=utf-8") //发送请求 resp, err := client.Do(req) if err != nil {// handle errorfmt.Println(err)fmt.Println("顶顶报发送异常!!!") } defer resp.Body.Close()}func alert( c *gin.Context){ var notification Notification err := c.BindJSON(¬ification) if err != nil {c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})return } msg := getAlertInfo(notification) SendAlertDingMsg(msg)}func main(){ t := gin.Default()t.GET("/",func(c *gin.Context){c.String(http.StatusOK,"关于alertmanager实现钉钉报警的方法!!!!")}) t.POST("/Alert",alert) t.Run(":8080")}

可以通过编译二进制打包部署在k8s环境（可以参考下篇文章，如果在k8s环境中部署gin程序）
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