From a7e40d36c55aed8015bc32dd137a1094ef31c049 Mon Sep 17 00:00:00 2001
From: Zexi Li <zexi.li@qq.com>
Date: Thu, 3 Dec 2020 20:41:45 +0800
Subject: [PATCH] fix(scheduler): check candidate tag resource is nil

---
 pkg/scheduler/algorithm/predicates/predicates.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkg/scheduler/algorithm/predicates/predicates.go b/pkg/scheduler/algorithm/predicates/predicates.go
index 5525a1f3b1..d14aeac4dd 100644
--- a/pkg/scheduler/algorithm/predicates/predicates.go
+++ b/pkg/scheduler/algorithm/predicates/predicates.go
@@ -34,6 +34,7 @@ import (
 
 	"yunion.io/x/jsonutils"
 	"yunion.io/x/log"
+	"yunion.io/x/pkg/gotypes"
 	"yunion.io/x/pkg/util/errors"
 
 	computeapi "yunion.io/x/onecloud/pkg/apis/compute"
@@ -607,7 +608,7 @@ func (p *ServerBaseSchedtagPredicate) Execute(u *core.Unit, c core.Candidater) (
 
 func (p *ServerBaseSchedtagPredicate) GetResources(c core.Candidater) []ISchedtagCandidateResource {
 	res := p.filter.GetCandidateResource(c)
-	if res == nil {
+	if res == nil || gotypes.IsNil(res) {
 		return nil
 	}
 	return []ISchedtagCandidateResource{