fix mute bug (#1025)

Co-authored-by: Ntripitakav <chengzhi.shang@longbridge.sg>

src/server/engine/mute.go

@@ -30,8 +30,9 @@ func matchMute(event *models.AlertCurEvent, mute *models.AlertMute, clock ...int
 	if ts < mute.Btime || ts > mute.Etime {
 		return false
 	}
-
-	return matchTags(event.TagsMap, mute.ITags)
+	tg := event.TagsMap
+	tg["alertname"] = event.RuleName
+	return matchTags(tg, mute.ITags)
 }
 
 func matchTags(eventTagsMap map[string]string, itags []models.TagFilter) bool {

src/server/engine/worker.go

@@ -314,6 +314,7 @@ func (r RuleEval) judge(vectors []conv.Vector) {
 			TriggerTime: vectors[i].Timestamp,
 			TagsMap:     tagsMap,
 			GroupId:     r.rule.GroupId,
+			RuleName:    r.rule.Name,
 		}
 
 		bg := memsto.BusiGroupCache.GetByBusiGroupId(r.rule.GroupId)
@@ -321,7 +322,7 @@ func (r RuleEval) judge(vectors []conv.Vector) {
 			event.GroupName = bg.Name
 		}
 
-		// isMuted only need TriggerTime and TagsMap
+		// isMuted only need TriggerTime RuleName and TagsMap
 		if isMuted(event) {
 			logger.Infof("event_muted: rule_id=%d %s", r.rule.Id, vectors[i].Key)
 			continue