Files
kubesphere/pkg/models/resources/horizontalpodautoscalers.go
hongming 05e949103e refactor resources API
Signed-off-by: hongming <talonwan@yunify.com>
2020-01-10 10:28:14 +08:00

108 lines
3.0 KiB
Go

/*
*
* Copyright 2019 The KubeSphere Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* /
*/
package resources
import (
autoscalingv2beta2 "k8s.io/api/autoscaling/v2beta2"
"k8s.io/apimachinery/pkg/labels"
"kubesphere.io/kubesphere/pkg/informers"
"kubesphere.io/kubesphere/pkg/server/params"
"sort"
)
type hpaSearcher struct {
}
func (*hpaSearcher) get(namespace, name string) (interface{}, error) {
return informers.SharedInformerFactory().Autoscaling().V2beta2().HorizontalPodAutoscalers().Lister().HorizontalPodAutoscalers(namespace).Get(name)
}
func hpaTargetMatch(item *autoscalingv2beta2.HorizontalPodAutoscaler, kind, name string) bool {
return item.Spec.ScaleTargetRef.Kind == kind && item.Spec.ScaleTargetRef.Name == name
}
// exactly Match
func (*hpaSearcher) match(kv map[string]string, item *autoscalingv2beta2.HorizontalPodAutoscaler) bool {
for k, v := range kv {
switch k {
case TargetKind:
fallthrough
case TargetName:
kind := kv[TargetKind]
name := kv[TargetName]
if !hpaTargetMatch(item, kind, name) {
return false
}
default:
if !match(k, v, item.ObjectMeta) {
return false
}
}
}
return true
}
// Fuzzy searchInNamespace
func (*hpaSearcher) fuzzy(kv map[string]string, item *autoscalingv2beta2.HorizontalPodAutoscaler) bool {
for k, v := range kv {
if !fuzzy(k, v, item.ObjectMeta) {
return false
}
}
return true
}
func (*hpaSearcher) compare(a, b *autoscalingv2beta2.HorizontalPodAutoscaler, orderBy string) bool {
return compare(a.ObjectMeta, b.ObjectMeta, orderBy)
}
func (s *hpaSearcher) search(namespace string, conditions *params.Conditions, orderBy string, reverse bool) ([]interface{}, error) {
horizontalPodAutoscalers, err := informers.SharedInformerFactory().Autoscaling().V2beta2().HorizontalPodAutoscalers().Lister().HorizontalPodAutoscalers(namespace).List(labels.Everything())
if err != nil {
return nil, err
}
result := make([]*autoscalingv2beta2.HorizontalPodAutoscaler, 0)
if len(conditions.Match) == 0 && len(conditions.Fuzzy) == 0 {
result = horizontalPodAutoscalers
} else {
for _, item := range horizontalPodAutoscalers {
if s.match(conditions.Match, item) && s.fuzzy(conditions.Fuzzy, item) {
result = append(result, item)
}
}
}
sort.Slice(result, func(i, j int) bool {
if reverse {
tmp := i
i = j
j = tmp
}
return s.compare(result[i], result[j], orderBy)
})
r := make([]interface{}, 0)
for _, i := range result {
r = append(r, i)
}
return r, nil
}