119 lines
3.6 KiB
Go
119 lines
3.6 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 search
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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/klog/v2"
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searchapis "github.com/karmada-io/karmada/pkg/apis/search"
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searchscheme "github.com/karmada-io/karmada/pkg/apis/search/scheme"
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informerfactory "github.com/karmada-io/karmada/pkg/generated/informers/externalversions"
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searchstorage "github.com/karmada-io/karmada/pkg/registry/search/storage"
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"github.com/karmada-io/karmada/pkg/search/proxy"
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)
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// ExtraConfig holds custom apiserver config
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type ExtraConfig struct {
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KarmadaSharedInformerFactory informerfactory.SharedInformerFactory
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Controller *Controller
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ProxyController *proxy.Controller
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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-search.
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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 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() (*APIServer, error) {
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genericServer, err := c.GenericConfig.New("karmada-search", 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(searchapis.GroupName, searchscheme.Scheme, searchscheme.ParameterCodec, searchscheme.Codecs)
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resourceRegistryStorage, err := searchstorage.NewResourceRegistryStorage(searchscheme.Scheme, 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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v1alpha1search := map[string]rest.Storage{}
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v1alpha1search["resourceregistries"] = resourceRegistryStorage.ResourceRegistry
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v1alpha1search["resourceregistries/status"] = resourceRegistryStorage.Status
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if c.ExtraConfig.Controller != nil {
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searchREST := searchstorage.NewSearchREST(
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c.ExtraConfig.Controller.InformerManager,
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c.ExtraConfig.Controller.clusterLister,
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c.ExtraConfig.Controller.restMapper)
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v1alpha1search["search"] = searchREST
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}
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if c.ExtraConfig.ProxyController != nil {
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proxyingREST := searchstorage.NewProxyingREST(c.ExtraConfig.ProxyController)
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v1alpha1search["proxying"] = proxyingREST
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}
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apiGroupInfo.VersionedResourcesStorageMap["v1alpha1"] = v1alpha1search
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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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