fix: recovery event tags map split

alert/process/process.go

@@ -527,6 +527,11 @@ func (p *Processor) RecoverAlertCurEventFromDb() {
 		}
 
 		event.DB2Mem()
+		target, exists := p.TargetCache.Get(event.TargetIdent)
+		if exists {
+			event.Target = target
+		}
+
 		fireMap[event.Hash] = event
 		e := *event
 		pendingsUseByRecoverMap[event.Hash] = &e

alert/router/router_event.go

@@ -34,7 +34,7 @@ func (rt *Router) pushEventToQueue(c *gin.Context) {
 			continue
 		}
 
-		arr := strings.Split(pair, "=")
+		arr := strings.SplitN(pair, "=", 2)
 		if len(arr) != 2 {
 			continue
 		}

alert/sender/ibex.go

@@ -108,7 +108,7 @@ func CallIbex(ctx *ctx.Context, id int64, host string,
 			continue
 		}
 
-		arr := strings.Split(pair, "=")
+		arr := strings.SplitN(pair, "=", 2)
 		if len(arr) != 2 {
 			continue
 		}

center/router/router_alert_rule.go

@@ -514,7 +514,7 @@ func (rt *Router) relabelTest(c *gin.Context) {
 
 	labels := make([]prompb.Label, len(f.Tags))
 	for i, tag := range f.Tags {
-		label := strings.Split(tag, "=")
+		label := strings.SplitN(tag, "=", 2)
 		if len(label) != 2 {
 			ginx.Bomb(http.StatusBadRequest, "tag:%s format error", tag)
 		}

center/router/router_notify_tpl.go

@@ -138,7 +138,7 @@ func (rt *Router) notifyTplPreview(c *gin.Context) {
 			continue
 		}
 
-		arr := strings.Split(pair, "=")
+		arr := strings.SplitN(pair, "=", 2)
 		if len(arr) != 2 {
 			continue
 		}

models/alert_cur_event.go

@@ -342,7 +342,7 @@ func (e *AlertCurEvent) DB2Mem() {
 			continue
 		}
 
-		arr := strings.Split(pair, "=")
+		arr := strings.SplitN(pair, "=", 2)
 		if len(arr) != 2 {
 			continue
 		}