optimized(scheduler): reduce sql query of mysql (#15878)

pkg/scheduler/algorithm/predicates/guest/hypervisor_predicate.go

@@ -22,6 +22,7 @@ import (
 	"yunion.io/x/onecloud/pkg/scheduler/algorithm/predicates"
 	"yunion.io/x/onecloud/pkg/scheduler/api"
 	"yunion.io/x/onecloud/pkg/scheduler/core"
+	"yunion.io/x/onecloud/pkg/scheduler/data_manager/schedtag"
 )
 
 const (
@@ -43,9 +44,9 @@ func (f *HypervisorPredicate) Clone() core.FitPredicate {
 }
 
 func hostHasContainerTag(c core.Candidater) bool {
-	aggs := c.Getter().HostSchedtags()
+	aggs := schedtag.GetCandidateSchedtags("hosts", c.Getter().Host().GetId())
 	for _, agg := range aggs {
-		if agg.Name == CONTAINER_ALLOWED_TAG {
+		if agg.GetName() == CONTAINER_ALLOWED_TAG {
 			return true
 		}
 	}

pkg/scheduler/algorithm/predicates/host_schedtag_predicate.go

@@ -96,10 +96,6 @@ func (r hostSchedtagResW) Keyword() string {
 	return r.Candidater.Getter().Host().Keyword()
 }
 
-func (r hostSchedtagResW) GetSchedtags() []computemodels.SSchedtag {
-	return r.Candidater.Getter().HostSchedtags()
-}
-
 func (r hostSchedtagResW) GetSchedtagJointManager() computemodels.ISchedtagJointManager {
 	return r.Candidater.Getter().Host().GetSchedtagJointManager()
 }

pkg/scheduler/algorithm/predicates/zone_schedtag_predicate.go

@@ -96,11 +96,6 @@ func (r zoneSchedtagResW) Keyword() string {
 	return r.zone.Keyword()
 }
 
-func (r zoneSchedtagResW) GetSchedtags() []computemodels.SSchedtag {
-	// TODO: not fetch schedtags from database, should get zone schedtags from r.c cache candidater
-	return r.zone.GetSchedtags()
-}
-
 func (r zoneSchedtagResW) GetSchedtagJointManager() computemodels.ISchedtagJointManager {
 	return r.zone.GetSchedtagJointManager()
 }