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consumer.go
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consumer.go
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package cron
import (
"encoding/json"
"github.com/Cepave/open-falcon-backend/common/model"
"github.com/Cepave/open-falcon-backend/modules/alarm/api"
"github.com/Cepave/open-falcon-backend/modules/alarm/g"
"github.com/Cepave/open-falcon-backend/modules/alarm/redis"
log "github.com/sirupsen/logrus"
)
func consume(event *model.Event, isHigh bool) {
actionId := event.ActionId()
if actionId <= 0 {
return
}
action := api.GetAction(actionId)
if action == nil {
return
}
if action.Callback == 1 {
HandleCallback(event, action)
return
}
if isHigh {
consumeHighEvents(event, action)
} else {
consumeLowEvents(event, action)
}
}
// 高优先级的不做报警合并
func consumeHighEvents(event *model.Event, action *api.Action) {
if action.Uic == "" {
return
}
phones, mails := api.ParseTeams(action.Uic)
smsContent := GenerateSmsContent(event)
mailContent := GenerateMailContent(event)
QQContent := GenerateQQContent(event)
if event.Priority() < 3 {
redis.WriteSms(phones, smsContent)
}
redis.WriteMail(mails, smsContent, mailContent)
redis.WriteQQ(mails, smsContent, QQContent)
ParseUserServerchan(event, action)
}
// 低优先级的做报警合并
func consumeLowEvents(event *model.Event, action *api.Action) {
if action.Uic == "" {
return
}
if event.Priority() < 3 {
ParseUserSms(event, action)
}
ParseUserMail(event, action)
ParseUserQQ(event, action)
ParseUserServerchan(event, action)
}
func ParseUserSms(event *model.Event, action *api.Action) {
userMap := api.GetUsers(action.Uic)
content := GenerateSmsContent(event)
metric := event.Metric()
status := event.Status
priority := event.Priority()
queue := g.Config().Redis.UserSmsQueue
rc := g.RedisConnPool.Get()
defer rc.Close()
for _, user := range userMap {
dto := SmsDto{
Priority: priority,
Metric: metric,
Content: content,
Phone: user.Phone,
Status: status,
}
// if Phone field with empty string, just skip it.
if dto.Phone == "" {
log.Println("found SmsDto has phone field with empty string.")
continue
}
bs, err := json.Marshal(dto)
if err != nil {
log.Println("json marshal SmsDto fail:", err)
continue
}
_, err = rc.Do("LPUSH", queue, string(bs))
if err != nil {
log.Println("LPUSH redis", queue, "fail:", err, "dto:", string(bs))
}
}
}
func ParseUserMail(event *model.Event, action *api.Action) {
userMap := api.GetUsers(action.Uic)
metric := event.Metric()
subject := GenerateSmsContent(event)
content := GenerateMailContent(event)
status := event.Status
priority := event.Priority()
queue := g.Config().Redis.UserMailQueue
rc := g.RedisConnPool.Get()
defer rc.Close()
for _, user := range userMap {
dto := MailDto{
Priority: priority,
Metric: metric,
Subject: subject,
Content: content,
Email: user.Email,
Status: status,
}
bs, err := json.Marshal(dto)
if err != nil {
log.Println("json marshal MailDto fail:", err)
continue
}
_, err = rc.Do("LPUSH", queue, string(bs))
if err != nil {
log.Println("LPUSH redis", queue, "fail:", err, "dto:", string(bs))
}
}
}
func ParseUserQQ(event *model.Event, action *api.Action) {
userMap := api.GetUsers(action.Uic)
metric := event.Metric()
subject := GenerateSmsContent(event)
content := GenerateQQContent(event)
status := event.Status
priority := event.Priority()
queue := g.Config().Redis.UserQQQueue
rc := g.RedisConnPool.Get()
defer rc.Close()
for _, user := range userMap {
dto := QQDto{
Priority: priority,
Metric: metric,
Subject: subject,
Content: content,
Email: user.Email,
Status: status,
}
bs, err := json.Marshal(dto)
if err != nil {
log.Println("json marshal QQDto fail:", err)
continue
}
_, err = rc.Do("LPUSH", queue, string(bs))
if err != nil {
log.Println("LPUSH redis", queue, "fail:", err, "dto:", string(bs))
}
}
}
func ParseUserServerchan(event *model.Event, action *api.Action) {
userMap := api.GetUsers(action.Uic)
metric := event.Metric()
subject := GenerateSmsContent(event)
content := GenerateServerchanContent(event)
status := event.Status
priority := event.Priority()
queue := g.Config().Redis.UserServerchanQueue
rc := g.RedisConnPool.Get()
defer rc.Close()
for _, user := range userMap {
dto := ServerchanDto{
Priority: priority,
Metric: metric,
Subject: subject,
Content: content,
Username: user.Name,
Sckey: user.IM,
Status: status,
}
bs, err := json.Marshal(dto)
if err != nil {
log.Println("json marshal ServerchanDto fail:", err)
continue
}
_, err = rc.Do("LPUSH", queue, string(bs))
if err != nil {
log.Println("LPUSH redis", queue, "fail:", err, "dto:", string(bs))
}
}
}