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feat(platform): support list workload replicasets
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xdonggao
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Dec 5, 2022
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215 changes: 215 additions & 0 deletions
215
pkg/platform/proxy/apps/daemonset/storage/replicasets.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,215 @@ | ||
| /* | ||
| * Tencent is pleased to support the open source community by making TKEStack | ||
| * available. | ||
| * | ||
| * Copyright (C) 2012-2019 Tencent. All Rights Reserved. | ||
| * | ||
| * 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 | ||
| * | ||
| * https://opensource.org/licenses/Apache-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 OF ANY KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations under the License. | ||
| */ | ||
|
|
||
| package storage | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| appsv1 "k8s.io/api/apps/v1" | ||
| extensionsv1beta1 "k8s.io/api/extensions/v1beta1" | ||
| "k8s.io/apimachinery/pkg/api/errors" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/apimachinery/pkg/runtime/schema" | ||
| "k8s.io/apiserver/pkg/endpoints/request" | ||
| "k8s.io/apiserver/pkg/registry/rest" | ||
| "k8s.io/client-go/kubernetes" | ||
| platforminternalclient "tkestack.io/tke/api/client/clientset/internalversion/typed/platform/internalversion" | ||
| "tkestack.io/tke/pkg/platform/proxy" | ||
| "tkestack.io/tke/pkg/util/apiclient" | ||
| "tkestack.io/tke/pkg/util/page" | ||
| ) | ||
|
|
||
| // ReplicaSetsREST implements the REST endpoint for find replicasets by a deployment. | ||
| type ReplicaSetsREST struct { | ||
| rest.Storage | ||
| platformClient platforminternalclient.PlatformInterface | ||
| } | ||
|
|
||
| var _ rest.GetterWithOptions = &ReplicaSetsREST{} | ||
| var _ rest.GroupVersionKindProvider = &ReplicaSetsREST{} | ||
|
|
||
| // GroupVersionKind is used to specify a particular GroupVersionKind to discovery. | ||
| func (r *ReplicaSetsREST) GroupVersionKind(containingGV schema.GroupVersion) schema.GroupVersionKind { | ||
| return appsv1.SchemeGroupVersion.WithKind("ReplicaSetList") | ||
| } | ||
|
|
||
| // New returns an empty object that can be used with Create and Update after | ||
| // request data has been put into it. | ||
| func (r *ReplicaSetsREST) New() runtime.Object { | ||
| return &appsv1.ReplicaSetList{} | ||
| } | ||
|
|
||
| // NewConnectOptions returns versioned resource that represents proxy parameters | ||
| func (r *ReplicaSetsREST) NewGetOptions() (runtime.Object, bool, string) { | ||
| return &metav1.ListOptions{}, false, "" | ||
| } | ||
|
|
||
| // Get retrieves the object from the storage. It is required to support Patch. | ||
| func (r *ReplicaSetsREST) Get(ctx context.Context, name string, options runtime.Object) (runtime.Object, error) { | ||
| client, err := proxy.ClientSet(ctx, r.platformClient) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| listOpts := options.(*metav1.ListOptions) | ||
| metaOptions := &metav1.GetOptions{} | ||
| if listOpts.ResourceVersion != "" { | ||
| metaOptions.ResourceVersion = listOpts.ResourceVersion | ||
| } | ||
| namespaceName, ok := request.NamespaceFrom(ctx) | ||
| if !ok { | ||
| return nil, errors.NewBadRequest("a namespace must be specified") | ||
| } | ||
|
|
||
| if apiclient.ClusterVersionIsBefore19(client) { | ||
| return listReplicaSetsByExtensions(ctx, client, namespaceName, name, metaOptions, listOpts) | ||
| } | ||
| return listReplicaSetsByApps(ctx, client, namespaceName, name, metaOptions, listOpts) | ||
| } | ||
|
|
||
| func listReplicaSetsByExtensions(ctx context.Context, client *kubernetes.Clientset, namespaceName, name string, options *metav1.GetOptions, listOpts *metav1.ListOptions) (runtime.Object, error) { | ||
| daemonSet, err := client.ExtensionsV1beta1().DaemonSets(namespaceName).Get(ctx, name, *options) | ||
| if err != nil { | ||
| return nil, errors.NewNotFound(extensionsv1beta1.Resource("daemonSets/replicasets"), name) | ||
| } | ||
|
|
||
| selector, err := metav1.LabelSelectorAsSelector(daemonSet.Spec.Selector) | ||
| if err != nil { | ||
| return nil, errors.NewInternalError(err) | ||
| } | ||
|
|
||
| listPodsOptions := listOpts.DeepCopy() | ||
| listPodsOptions.Continue = "" | ||
| listPodsOptions.Limit = 0 | ||
| if listPodsOptions.LabelSelector == "" { | ||
| listPodsOptions.LabelSelector = selector.String() | ||
| } else { | ||
| listPodsOptions.LabelSelector = listPodsOptions.LabelSelector + "," + selector.String() | ||
| } | ||
| rsAllList, err := client.ExtensionsV1beta1().ReplicaSets(namespaceName).List(ctx, *listPodsOptions) | ||
| if err != nil { | ||
| return nil, errors.NewInternalError(err) | ||
| } | ||
| rsList := &extensionsv1beta1.ReplicaSetList{ | ||
| Items: make([]extensionsv1beta1.ReplicaSet, 0), | ||
| } | ||
| for _, rs := range rsAllList.Items { | ||
| for _, references := range rs.ObjectMeta.OwnerReferences { | ||
| if references.UID == daemonSet.GetUID() { | ||
| rsList.Items = append(rsList.Items, rs) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| if listOpts.Continue != "" { | ||
| start, limit, err := page.DecodeContinue(ctx, "DaemonSet/ReplicaSets", name, listOpts.Continue) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| newStart := start + limit | ||
| if int(newStart+limit) < len(rsList.Items) { | ||
| rsList.Continue, err = page.EncodeContinue(ctx, "DaemonSet/ReplicaSets", name, newStart, limit) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| items := rsList.Items[newStart : newStart+limit] | ||
| rsList.Items = items | ||
| } else { | ||
| items := rsList.Items[newStart:len(rsList.Items)] | ||
| rsList.Items = items | ||
| } | ||
| } else if listOpts.Limit != 0 { | ||
| if int(listOpts.Limit) < len(rsList.Items) { | ||
| rsList.Continue, err = page.EncodeContinue(ctx, "DaemonSet/ReplicaSets", name, 0, listOpts.Limit) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| items := rsList.Items[:listOpts.Limit] | ||
| rsList.Items = items | ||
| } | ||
| } | ||
|
|
||
| return rsList, nil | ||
| } | ||
|
|
||
| func listReplicaSetsByApps(ctx context.Context, client *kubernetes.Clientset, namespaceName, name string, options *metav1.GetOptions, listOpts *metav1.ListOptions) (runtime.Object, error) { | ||
| daemonSet, err := client.AppsV1().DaemonSets(namespaceName).Get(ctx, name, *options) | ||
| if err != nil { | ||
| return nil, errors.NewNotFound(appsv1.Resource("daemonSets/replicasets"), name) | ||
| } | ||
|
|
||
| selector, err := metav1.LabelSelectorAsSelector(daemonSet.Spec.Selector) | ||
| if err != nil { | ||
| return nil, errors.NewInternalError(err) | ||
| } | ||
|
|
||
| listPodsOptions := listOpts.DeepCopy() | ||
| listPodsOptions.Continue = "" | ||
| listPodsOptions.Limit = 0 | ||
| if listPodsOptions.LabelSelector == "" { | ||
| listPodsOptions.LabelSelector = selector.String() | ||
| } else { | ||
| listPodsOptions.LabelSelector = listPodsOptions.LabelSelector + "," + selector.String() | ||
| } | ||
| rsAllList, err := client.AppsV1().ReplicaSets(namespaceName).List(ctx, *listPodsOptions) | ||
| if err != nil { | ||
| return nil, errors.NewInternalError(err) | ||
| } | ||
|
|
||
| rsList := &appsv1.ReplicaSetList{ | ||
| Items: make([]appsv1.ReplicaSet, 0), | ||
| } | ||
| for _, rs := range rsAllList.Items { | ||
| for _, references := range rs.ObjectMeta.OwnerReferences { | ||
| if references.UID == daemonSet.GetUID() { | ||
| rsList.Items = append(rsList.Items, rs) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| if listOpts.Continue != "" { | ||
| start, limit, err := page.DecodeContinue(ctx, "DaemonSet/ReplicaSets", name, listOpts.Continue) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| newStart := start + limit | ||
| if int(newStart+limit) < len(rsList.Items) { | ||
| rsList.Continue, err = page.EncodeContinue(ctx, "DaemonSet/ReplicaSets", name, newStart, limit) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| items := rsList.Items[newStart : newStart+limit] | ||
| rsList.Items = items | ||
| } else { | ||
| items := rsList.Items[newStart:len(rsList.Items)] | ||
| rsList.Items = items | ||
| } | ||
| } else if listOpts.Limit != 0 { | ||
| if int(listOpts.Limit) < len(rsList.Items) { | ||
| rsList.Continue, err = page.EncodeContinue(ctx, "DaemonSet/ReplicaSets", name, 0, listOpts.Limit) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| items := rsList.Items[:listOpts.Limit] | ||
| rsList.Items = items | ||
| } | ||
| } | ||
|
|
||
| return rsList, nil | ||
| } |
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