Update dependencies

This commit updates the dependencies to the latest versions.
This removes the special "resource" and "subresource" context
information, in favor of the new RequestInfo context information,
which includes resource and subresource.

.gitignore

@@ -1,3 +1,4 @@
 *.swp
 *~
 sample-main
+vendor

pkg/apiserver/apiserver.go

@@ -88,7 +88,7 @@ func (c *Config) SkipComplete() completedConfig {
 
 // New returns a new instance of CustomMetricsAdapterServer from the given config.
 func (c completedConfig) New(cmProvider provider.CustomMetricsProvider) (*CustomMetricsAdapterServer, error) {
-	genericServer, err := c.Config.GenericConfig.SkipComplete().New() // completion is done in Complete, no need for a second time
+	genericServer, err := c.Config.GenericConfig.SkipComplete().New(genericapiserver.EmptyDelegate) // completion is done in Complete, no need for a second time
 	if err != nil {
 		return nil, err
 	}

pkg/apiserver/cmapis.go

@@ -23,6 +23,7 @@ import (
 	"k8s.io/apimachinery/pkg/runtime/schema"
 	genericapi "k8s.io/apiserver/pkg/endpoints"
 	genericapiserver "k8s.io/apiserver/pkg/server"
+	"k8s.io/apiserver/pkg/endpoints/discovery"
 
 	specificapi "k8s.io/custom-metrics-boilerplate/pkg/apiserver/installer"
 	"k8s.io/custom-metrics-boilerplate/pkg/provider"
@@ -43,19 +44,19 @@ func (s *CustomMetricsAdapterServer) InstallCustomMetricsAPI() error {
 		Version:      groupMeta.GroupVersion.Version,
 	}
 	apiGroup := metav1.APIGroup{
-		Name:             groupMeta.GroupVersion.String(),
+		Name:             groupMeta.GroupVersion.Group,
 		Versions:         []metav1.GroupVersionForDiscovery{groupVersion},
 		PreferredVersion: preferredVersionForDiscovery,
 	}
 
 	cmAPI := s.cmAPI(groupMeta, &groupMeta.GroupVersion)
 
-	if err := cmAPI.InstallREST(s.GenericAPIServer.HandlerContainer.Container); err != nil {
+	if err := cmAPI.InstallREST(s.GenericAPIServer.Handler.GoRestfulContainer); err != nil {
 		return err
 	}
 
-	path := genericapiserver.APIGroupPrefix + "/" + groupMeta.GroupVersion.Group
-	s.GenericAPIServer.HandlerContainer.Add(genericapi.NewGroupWebService(s.GenericAPIServer.Serializer, path, apiGroup))
+	s.GenericAPIServer.DiscoveryGroupManager.AddGroup(apiGroup)
+	s.GenericAPIServer.Handler.GoRestfulContainer.Add(discovery.NewAPIGroupHandler(s.GenericAPIServer.Serializer, apiGroup).WebService())
 
 	return nil
 }