feat: support horizontalpodautoscalers query

Signed-off-by: Nhongming <talonwan@yunify.com>

cmd/ks-apiserver/app/server.go

@@ -176,6 +176,7 @@ func waitForResourceSync() {
 	informerFactory.Batch().V1().Jobs().Lister()
 	informerFactory.Batch().V1beta1().CronJobs().Lister()
 	informerFactory.Extensions().V1beta1().Ingresses().Lister()
+	informerFactory.Autoscaling().V2beta2().HorizontalPodAutoscalers().Lister()
 
 	informerFactory.Start(stopChan)
 	informerFactory.WaitForCacheSync(stopChan)

pkg/models/resources/horizontalpodautoscalers.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"
+	"kubesphere.io/kubesphere/pkg/constants"
+	"kubesphere.io/kubesphere/pkg/informers"
+	"kubesphere.io/kubesphere/pkg/params"
+	"kubesphere.io/kubesphere/pkg/utils/sliceutil"
+	"sort"
+	"strings"
+
+	"k8s.io/apimachinery/pkg/labels"
+)
+
+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(match map[string]string, item *autoscalingv2beta2.HorizontalPodAutoscaler) bool {
+	for k, v := range match {
+		switch k {
+		case TargetKind:
+			fallthrough
+		case TargetName:
+			kind := match[TargetKind]
+			name := match[TargetName]
+			if !hpaTargetMatch(item, kind, name) {
+				return false
+			}
+		case Name:
+			names := strings.Split(v, "|")
+			if !sliceutil.HasString(names, item.Name) {
+				return false
+			}
+		case Keyword:
+			if !strings.Contains(item.Name, v) && !searchFuzzy(item.Labels, "", v) && !searchFuzzy(item.Annotations, "", v) {
+				return false
+			}
+		default:
+			if item.Labels[k] != v {
+				return false
+			}
+		}
+	}
+	return true
+}
+
+// Fuzzy searchInNamespace
+func (*hpaSearcher) fuzzy(fuzzy map[string]string, item *autoscalingv2beta2.HorizontalPodAutoscaler) bool {
+	for k, v := range fuzzy {
+		switch k {
+		case Name:
+			if !strings.Contains(item.Name, v) && !strings.Contains(item.Annotations[constants.DisplayNameAnnotationKey], v) {
+				return false
+			}
+		case Label:
+			if !searchFuzzy(item.Labels, "", v) {
+				return false
+			}
+		case annotation:
+			if !searchFuzzy(item.Annotations, "", v) {
+				return false
+			}
+			return false
+		case app:
+			if !strings.Contains(item.Labels[chart], v) && !strings.Contains(item.Labels[release], v) {
+				return false
+			}
+		default:
+			if !searchFuzzy(item.Labels, k, v) && !searchFuzzy(item.Annotations, k, v) {
+				return false
+			}
+		}
+	}
+	return true
+}
+
+func (*hpaSearcher) compare(a, b *autoscalingv2beta2.HorizontalPodAutoscaler, orderBy string) bool {
+	switch orderBy {
+	case CreateTime:
+		return a.CreationTimestamp.Time.Before(b.CreationTimestamp.Time)
+	case Name:
+		fallthrough
+	default:
+		return strings.Compare(a.Name, b.Name) <= 0
+	}
+}
+
+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
+}

pkg/models/resources/resources.go

@@ -41,6 +41,7 @@ func init() {
 	resources[Roles] = &roleSearcher{}
 	resources[S2iBuilders] = &s2iBuilderSearcher{}
 	resources[S2iRuns] = &s2iRunSearcher{}
+	resources[HorizontalPodAutoscalers] = &hpaSearcher{}
 
 	resources[Nodes] = &nodeSearcher{}
 	resources[Namespaces] = &namespaceSearcher{}
@@ -57,55 +58,58 @@ var (
 )
 
 const (
-	Name                   = "name"
-	Label                  = "label"
-	OwnerKind              = "ownerKind"
-	OwnerName              = "ownerName"
-	Role                   = "role"
-	CreateTime             = "createTime"
-	UpdateTime             = "updateTime"
-	LastScheduleTime       = "lastScheduleTime"
-	chart                  = "chart"
-	release                = "release"
-	annotation             = "annotation"
-	Keyword                = "keyword"
-	Status                 = "status"
-	includeCronJob         = "includeCronJob"
-	storageClassName       = "storageClassName"
-	cronJobKind            = "CronJob"
-	s2iRunKind             = "S2iRun"
-	includeS2iRun          = "includeS2iRun"
-	StatusRunning          = "running"
-	StatusPaused           = "paused"
-	StatusPending          = "pending"
-	StatusUpdating         = "updating"
-	StatusStopped          = "stopped"
-	StatusFailed           = "failed"
-	StatusBound            = "bound"
-	StatusLost             = "lost"
-	StatusComplete         = "complete"
-	app                    = "app"
-	Deployments            = "deployments"
-	DaemonSets             = "daemonsets"
-	Roles                  = "roles"
-	Workspaces             = "workspaces"
-	WorkspaceRoles         = "workspaceroles"
-	CronJobs               = "cronjobs"
-	ConfigMaps             = "configmaps"
-	Ingresses              = "ingresses"
-	Jobs                   = "jobs"
-	PersistentVolumeClaims = "persistentvolumeclaims"
-	Pods                   = "pods"
-	Secrets                = "secrets"
-	Services               = "services"
-	StatefulSets           = "statefulsets"
-	Nodes                  = "nodes"
-	Namespaces             = "namespaces"
-	StorageClasses         = "storageclasses"
-	ClusterRoles           = "clusterroles"
-	S2iBuilderTemplates    = "s2ibuildertemplates"
-	S2iBuilders            = "s2ibuilders"
-	S2iRuns                = "s2iruns"
+	Name                     = "name"
+	Label                    = "label"
+	OwnerKind                = "ownerKind"
+	OwnerName                = "ownerName"
+	TargetKind               = "targetKind"
+	TargetName               = "targetName"
+	Role                     = "role"
+	CreateTime               = "createTime"
+	UpdateTime               = "updateTime"
+	LastScheduleTime         = "lastScheduleTime"
+	chart                    = "chart"
+	release                  = "release"
+	annotation               = "annotation"
+	Keyword                  = "keyword"
+	Status                   = "status"
+	includeCronJob           = "includeCronJob"
+	storageClassName         = "storageClassName"
+	cronJobKind              = "CronJob"
+	s2iRunKind               = "S2iRun"
+	includeS2iRun            = "includeS2iRun"
+	StatusRunning            = "running"
+	StatusPaused             = "paused"
+	StatusPending            = "pending"
+	StatusUpdating           = "updating"
+	StatusStopped            = "stopped"
+	StatusFailed             = "failed"
+	StatusBound              = "bound"
+	StatusLost               = "lost"
+	StatusComplete           = "complete"
+	app                      = "app"
+	Deployments              = "deployments"
+	DaemonSets               = "daemonsets"
+	Roles                    = "roles"
+	Workspaces               = "workspaces"
+	WorkspaceRoles           = "workspaceroles"
+	CronJobs                 = "cronjobs"
+	ConfigMaps               = "configmaps"
+	Ingresses                = "ingresses"
+	Jobs                     = "jobs"
+	PersistentVolumeClaims   = "persistentvolumeclaims"
+	Pods                     = "pods"
+	Secrets                  = "secrets"
+	Services                 = "services"
+	StatefulSets             = "statefulsets"
+	HorizontalPodAutoscalers = "horizontalpodautoscalers"
+	Nodes                    = "nodes"
+	Namespaces               = "namespaces"
+	StorageClasses           = "storageclasses"
+	ClusterRoles             = "clusterroles"
+	S2iBuilderTemplates      = "s2ibuildertemplates"
+	S2iBuilders              = "s2ibuilders"
+	S2iRuns                  = "s2iruns"
 )
 
 type resourceSearchInterface interface {