CSIStorageCapacity: use v1 as storage version

This can be done because downgrades are only supported down to 1.24 and that
release supports v1.

pkg/controlplane/storageversionhashdata/data.go

@@ -72,9 +72,9 @@ var GVRToStorageVersionHash = map[string]string{
 	"storage.k8s.io/v1/csidrivers":                                     "hL6j/rwBV5w=",
 	"storage.k8s.io/v1/csinodes":                                       "Pe62DkZtjuo=",
 	"storage.k8s.io/v1/storageclasses":                                 "K+m6uJwbjGY=",
-	"storage.k8s.io/v1/csistoragecapacities":                           "4as6MA/kOg0=",
+	"storage.k8s.io/v1/csistoragecapacities":                           "xeVl+2Ly1kE=",
 	"storage.k8s.io/v1/volumeattachments":                              "tJx/ezt6UDU=",
-	"storage.k8s.io/v1beta1/csistoragecapacities":                      "4as6MA/kOg0=",
+	"storage.k8s.io/v1beta1/csistoragecapacities":                      "xeVl+2Ly1kE=",
 	"apps/v1/controllerrevisions":                                      "85nkx63pcBU=",
 	"apps/v1/daemonsets":                                               "dd7pWHUlMKQ=",
 	"apps/v1/deployments":                                              "8aSe+NMegvE=",

pkg/kubeapiserver/default_storage_factory_builder.go

@@ -33,7 +33,6 @@ import (
 	"k8s.io/kubernetes/pkg/apis/extensions"
 	"k8s.io/kubernetes/pkg/apis/networking"
 	"k8s.io/kubernetes/pkg/apis/policy"
-	apisstorage "k8s.io/kubernetes/pkg/apis/storage"
 )
 
 // SpecialDefaultResourcePrefixes are prefixes compiled into Kubernetes.
@@ -61,9 +60,17 @@ func DefaultWatchCacheSizes() map[schema.GroupResource]int {
 func NewStorageFactoryConfig() *StorageFactoryConfig {
 
 	resources := []schema.GroupVersionResource{
-		// TODO (https://github.com/kubernetes/kubernetes/issues/108451): remove the override in
+		// If a resource has to be stored in a version that is not the
-		// 1.25.
+		// latest, then it can be listed here. Usually this is the case
-		apisstorage.Resource("csistoragecapacities").WithVersion("v1beta1"),
+		// when a new version for a resource gets introduced and a
+		// downgrade to an older apiserver that doesn't know the new
+		// version still needs to be supported for one release.
+		//
+		// Example from Kubernetes 1.24 where csistoragecapacities had just
+		// graduated to GA:
+		//
+		// TODO (https://github.com/kubernetes/kubernetes/issues/108451): remove the override in 1.25.
+		// apisstorage.Resource("csistoragecapacities").WithVersion("v1beta1"),
 	}
 
 	return &StorageFactoryConfig{

test/integration/etcd/data.go

@@ -257,7 +257,7 @@ func GetEtcdStorageDataForNamespace(namespace string) map[schema.GroupVersionRes
 		gvr("storage.k8s.io", "v1alpha1", "csistoragecapacities"): {
 			Stub:             `{"metadata": {"name": "csc-12345-1"}, "storageClassName": "sc1"}`,
 			ExpectedEtcdPath: "/registry/csistoragecapacities/" + namespace + "/csc-12345-1",
-			ExpectedGVK:      gvkP("storage.k8s.io", "v1beta1", "CSIStorageCapacity"),
+			ExpectedGVK:      gvkP("storage.k8s.io", "v1", "CSIStorageCapacity"),
 		},
 		// --
 
@@ -318,6 +318,7 @@ func GetEtcdStorageDataForNamespace(namespace string) map[schema.GroupVersionRes
 		gvr("storage.k8s.io", "v1beta1", "csistoragecapacities"): {
 			Stub:             `{"metadata": {"name": "csc-12345-2"}, "storageClassName": "sc1"}`,
 			ExpectedEtcdPath: "/registry/csistoragecapacities/" + namespace + "/csc-12345-2",
+			ExpectedGVK:      gvkP("storage.k8s.io", "v1", "CSIStorageCapacity"),
 		},
 		// --
 
@@ -329,7 +330,6 @@ func GetEtcdStorageDataForNamespace(namespace string) map[schema.GroupVersionRes
 		gvr("storage.k8s.io", "v1", "csistoragecapacities"): {
 			Stub:             `{"metadata": {"name": "csc-12345-3"}, "storageClassName": "sc1"}`,
 			ExpectedEtcdPath: "/registry/csistoragecapacities/" + namespace + "/csc-12345-3",
-			ExpectedGVK:      gvkP("storage.k8s.io", "v1beta1", "CSIStorageCapacity"),
 		},
 		// --