code refactor, use NotifyBuiltinChannels to control

etc/server.conf

@@ -70,8 +70,8 @@ Batch = 5
 [Alerting]
 TemplatesDir = "./etc/template"
 NotifyConcurrency = 10
-# use builtin go code notify by default
-NotifyBuiltinEnable = true
+# use builtin go code notify
+NotifyBuiltinChannels = ["email", "dingtalk", "wecom", "feishu"]
 
 [Alerting.CallScript]
 # built in sending capability in go code

src/server/config/config.go

@@ -155,7 +155,7 @@ type SMTPConfig struct {
 type Alerting struct {
 	TemplatesDir          string
 	NotifyConcurrency     int
-	NotifyBuiltinEnable bool
+	NotifyBuiltinChannels []string
 	CallScript            CallScript
 	CallPlugin            CallPlugin
 	RedisPub              RedisPub

src/server/engine/notify.go

@@ -19,6 +19,7 @@ import (
 	"github.com/toolkits/pkg/file"
 	"github.com/toolkits/pkg/logger"
 	"github.com/toolkits/pkg/runner"
+	"github.com/toolkits/pkg/slice"
 
 	"github.com/didi/nightingale/v5/src/models"
 	"github.com/didi/nightingale/v5/src/pkg/sys"
@@ -123,7 +124,7 @@ func handleNotice(notice Notice, bs []byte) {
 
 	alertingCallPlugin(bs)
 
-	if !config.C.Alerting.NotifyBuiltinEnable {
+	if len(config.C.Alerting.NotifyBuiltinChannels) == 0 {
 		return
 	}
 
@@ -173,6 +174,10 @@ func handleNotice(notice Notice, bs []byte) {
 				continue
 			}
 
+			if !slice.ContainsString(config.C.Alerting.NotifyBuiltinChannels, "email") {
+				continue
+			}
+
 			subject, has := notice.Tpls["subject.tpl"]
 			if !has {
 				subject = "subject.tpl not found"
@@ -189,6 +194,10 @@ func handleNotice(notice Notice, bs []byte) {
 				continue
 			}
 
+			if !slice.ContainsString(config.C.Alerting.NotifyBuiltinChannels, "dingtalk") {
+				continue
+			}
+
 			content, has := notice.Tpls["dingtalk.tpl"]
 			if !has {
 				content = "dingtalk.tpl not found"
@@ -205,6 +214,10 @@ func handleNotice(notice Notice, bs []byte) {
 				continue
 			}
 
+			if !slice.ContainsString(config.C.Alerting.NotifyBuiltinChannels, "wecom") {
+				continue
+			}
+
 			content, has := notice.Tpls["wecom.tpl"]
 			if !has {
 				content = "wecom.tpl not found"
@@ -218,6 +231,10 @@ func handleNotice(notice Notice, bs []byte) {
 				continue
 			}
 
+			if !slice.ContainsString(config.C.Alerting.NotifyBuiltinChannels, "feishu") {
+				continue
+			}
+
 			content, has := notice.Tpls["feishu.tpl"]
 			if !has {
 				content = "feishu.tpl not found"