pkg/policy: fix panic in get policy by job and group

pkg/policy/backend/consul/consul.go

@@ -101,6 +101,10 @@ func (p *PolicyBackend) GetJobGroupPolicy(job, group string) (*policy.GroupScali
 		return nil, err
 	}
 
+	if kv == nil {
+		return nil, nil
+	}
+
 	out := &policy.GroupScalingPolicy{}
 
 	if err := json.Unmarshal(kv.Value, out); err != nil {

pkg/policy/v1/policies.go

@@ -78,7 +78,7 @@ func (p *Policy) GetJobGroupPolicy(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	if *gPolicy == (policy.GroupScalingPolicy{}) || gPolicy == nil {
+	if gPolicy == nil || *gPolicy == (policy.GroupScalingPolicy{}) {
 		http.NotFound(w, r)
 		return
 	}