102 lines
3.1 KiB
Go
102 lines
3.1 KiB
Go
/*
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Copyright 2021 The Karmada Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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package aggregatedapiserver
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import (
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"k8s.io/apimachinery/pkg/version"
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"k8s.io/apiserver/pkg/registry/rest"
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genericapiserver "k8s.io/apiserver/pkg/server"
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"k8s.io/client-go/kubernetes"
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listcorev1 "k8s.io/client-go/listers/core/v1"
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"k8s.io/klog/v2"
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clusterapis "github.com/karmada-io/karmada/pkg/apis/cluster"
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clusterscheme "github.com/karmada-io/karmada/pkg/apis/cluster/scheme"
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clusterstorage "github.com/karmada-io/karmada/pkg/registry/cluster/storage"
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)
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// ExtraConfig holds custom apiserver config
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type ExtraConfig struct {
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// Add custom config if necessary.
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}
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// Config defines the config for the apiserver
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type Config struct {
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GenericConfig *genericapiserver.RecommendedConfig
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ExtraConfig ExtraConfig
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}
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// APIServer contains state for karmada aggregated-apiserver.
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type APIServer struct {
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GenericAPIServer *genericapiserver.GenericAPIServer
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}
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type completedConfig struct {
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GenericConfig genericapiserver.CompletedConfig
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ExtraConfig *ExtraConfig
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}
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// CompletedConfig embeds a private pointer that cannot be instantiated outside of this package.
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type CompletedConfig struct {
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*completedConfig
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}
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// Complete fills in any fields not set that are required to have valid data. It's mutating the receiver.
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func (cfg *Config) Complete() CompletedConfig {
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c := completedConfig{
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cfg.GenericConfig.Complete(),
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&cfg.ExtraConfig,
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}
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c.GenericConfig.Version = &version.Info{
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Major: "1",
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Minor: "0",
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}
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return CompletedConfig{&c}
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}
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func (c completedConfig) New(kubeClient kubernetes.Interface, secretLister listcorev1.SecretLister) (*APIServer, error) {
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genericServer, err := c.GenericConfig.New("aggregated-apiserver", genericapiserver.NewEmptyDelegate())
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if err != nil {
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return nil, err
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}
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server := &APIServer{
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GenericAPIServer: genericServer,
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}
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apiGroupInfo := genericapiserver.NewDefaultAPIGroupInfo(clusterapis.GroupName, clusterscheme.Scheme, clusterscheme.ParameterCodec, clusterscheme.Codecs)
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clusterStorage, err := clusterstorage.NewStorage(clusterscheme.Scheme, kubeClient, secretLister, c.GenericConfig.RESTOptionsGetter)
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if err != nil {
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klog.Errorf("Unable to create REST storage for a resource due to %v, will die", err)
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return nil, err
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}
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v1alpha1cluster := map[string]rest.Storage{}
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v1alpha1cluster["clusters"] = clusterStorage.Cluster
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v1alpha1cluster["clusters/status"] = clusterStorage.Status
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v1alpha1cluster["clusters/proxy"] = clusterStorage.Proxy
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apiGroupInfo.VersionedResourcesStorageMap["v1alpha1"] = v1alpha1cluster
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if err = server.GenericAPIServer.InstallAPIGroup(&apiGroupInfo); err != nil {
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return nil, err
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}
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return server, nil
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}
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