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apiserver.go
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apiserver.go
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package apiserver
import (
"fmt"
"sync"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/serializer"
"k8s.io/apiserver/pkg/registry/rest"
genericapiserver "k8s.io/apiserver/pkg/server"
authorizationclient "k8s.io/client-go/kubernetes/typed/authorization/v1"
restclient "k8s.io/client-go/rest"
routeapiv1 "github.com/openshift/api/route/v1"
routeetcd "github.com/openshift/origin/pkg/route/apiserver/registry/route/etcd"
routeallocationcontroller "github.com/openshift/origin/pkg/route/controller/allocation"
)
type ExtraConfig struct {
KubeAPIServerClientConfig *restclient.Config
RouteAllocator *routeallocationcontroller.RouteAllocationController
// TODO these should all become local eventually
Scheme *runtime.Scheme
Codecs serializer.CodecFactory
makeV1Storage sync.Once
v1Storage map[string]rest.Storage
v1StorageErr error
}
type RouteAPIServerConfig struct {
GenericConfig *genericapiserver.RecommendedConfig
ExtraConfig ExtraConfig
}
type RouteAPIServer struct {
GenericAPIServer *genericapiserver.GenericAPIServer
}
type completedConfig struct {
GenericConfig genericapiserver.CompletedConfig
ExtraConfig *ExtraConfig
}
type CompletedConfig struct {
// Embed a private pointer that cannot be instantiated outside of this package.
*completedConfig
}
// Complete fills in any fields not set that are required to have valid data. It's mutating the receiver.
func (c *RouteAPIServerConfig) Complete() completedConfig {
cfg := completedConfig{
c.GenericConfig.Complete(),
&c.ExtraConfig,
}
return cfg
}
// New returns a new instance of RouteAPIServer from the given config.
func (c completedConfig) New(delegationTarget genericapiserver.DelegationTarget) (*RouteAPIServer, error) {
genericServer, err := c.GenericConfig.New("route.openshift.io-apiserver", delegationTarget)
if err != nil {
return nil, err
}
s := &RouteAPIServer{
GenericAPIServer: genericServer,
}
v1Storage, err := c.V1RESTStorage()
if err != nil {
return nil, err
}
apiGroupInfo := genericapiserver.NewDefaultAPIGroupInfo(routeapiv1.GroupName, c.ExtraConfig.Scheme, metav1.ParameterCodec, c.ExtraConfig.Codecs)
apiGroupInfo.VersionedResourcesStorageMap[routeapiv1.SchemeGroupVersion.Version] = v1Storage
if err := s.GenericAPIServer.InstallAPIGroup(&apiGroupInfo); err != nil {
return nil, err
}
return s, nil
}
func (c *completedConfig) V1RESTStorage() (map[string]rest.Storage, error) {
c.ExtraConfig.makeV1Storage.Do(func() {
c.ExtraConfig.v1Storage, c.ExtraConfig.v1StorageErr = c.newV1RESTStorage()
})
return c.ExtraConfig.v1Storage, c.ExtraConfig.v1StorageErr
}
func (c *completedConfig) newV1RESTStorage() (map[string]rest.Storage, error) {
authorizationClient, err := authorizationclient.NewForConfig(c.ExtraConfig.KubeAPIServerClientConfig)
if err != nil {
return nil, err
}
routeStorage, routeStatusStorage, err := routeetcd.NewREST(c.GenericConfig.RESTOptionsGetter, c.ExtraConfig.RouteAllocator, authorizationClient.SubjectAccessReviews())
if err != nil {
return nil, fmt.Errorf("error building REST storage: %v", err)
}
v1Storage := map[string]rest.Storage{}
v1Storage["routes"] = routeStorage
v1Storage["routes/status"] = routeStatusStorage
return v1Storage, nil
}