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