rebase: update Kubernetes modules to v1.27.4

Dependabot complains about Ceph-CSI being vulnerable to
GHSA-f4w6-3rh6-6q4q . This is an old and addressed CSI sidecar issue,
not related to the k8s.io/kubernetes module listed in go.mod. Is it
possible that updating the Kubernetes modules helps?

Signed-off-by: Niels de Vos <ndevos@ibm.com>

vendor/k8s.io/apiserver/pkg/server/options/etcd.go

@@ -444,6 +444,10 @@ func (s *SimpleStorageFactory) ResourcePrefix(resource schema.GroupResource) str
 	return resource.Group + "/" + resource.Resource
 }
 
+func (s *SimpleStorageFactory) Configs() []storagebackend.Config {
+	return serverstorage.Configs(s.StorageConfig)
+}
+
 func (s *SimpleStorageFactory) Backends() []serverstorage.Backend {
 	// nothing should ever call this method but we still provide a functional implementation
 	return serverstorage.Backends(s.StorageConfig)
@@ -474,6 +478,10 @@ func (t *transformerStorageFactory) ResourcePrefix(resource schema.GroupResource
 	return t.delegate.ResourcePrefix(resource)
 }
 
+func (t *transformerStorageFactory) Configs() []storagebackend.Config {
+	return t.delegate.Configs()
+}
+
 func (t *transformerStorageFactory) Backends() []serverstorage.Backend {
 	return t.delegate.Backends()
 }

vendor/k8s.io/apiserver/pkg/server/storage/storage_factory.go

@@ -22,14 +22,13 @@ import (
 	"io/ioutil"
 	"strings"
 
-	"k8s.io/klog/v2"
-
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"
 	"k8s.io/apimachinery/pkg/util/sets"
 	"k8s.io/apiserver/pkg/features"
 	"k8s.io/apiserver/pkg/storage/storagebackend"
 	utilfeature "k8s.io/apiserver/pkg/util/feature"
+	"k8s.io/klog/v2"
 )
 
 // Backend describes the storage servers, the information here should be enough
@@ -52,8 +51,12 @@ type StorageFactory interface {
 	// centralized control over the shape of etcd directories
 	ResourcePrefix(groupResource schema.GroupResource) string
 
+	// Configs gets configurations for all of registered storage destinations.
+	Configs() []storagebackend.Config
+
 	// Backends gets all backends for all registered storage destinations.
 	// Used for getting all instances for health validations.
+	// Deprecated: Use Configs instead
 	Backends() []Backend
 }
 
@@ -276,14 +279,52 @@ func (s *DefaultStorageFactory) NewConfig(groupResource schema.GroupResource) (*
 	return storageConfig.ForResource(groupResource), nil
 }
 
-// Backends returns all backends for all registered storage destinations.
-// Used for getting all instances for health validations.
+// Configs implements StorageFactory.
+func (s *DefaultStorageFactory) Configs() []storagebackend.Config {
+	return configs(s.StorageConfig, s.Overrides)
+}
+
+// Configs gets configurations for all of registered storage destinations.
+func Configs(storageConfig storagebackend.Config) []storagebackend.Config {
+	return configs(storageConfig, nil)
+}
+
+// Returns all storage configurations including those for group resource overrides
+func configs(storageConfig storagebackend.Config, grOverrides map[schema.GroupResource]groupResourceOverrides) []storagebackend.Config {
+	locations := sets.NewString()
+	configs := []storagebackend.Config{}
+	for _, loc := range storageConfig.Transport.ServerList {
+		// copy
+		newConfig := storageConfig
+		newConfig.Transport.ServerList = []string{loc}
+		configs = append(configs, newConfig)
+		locations.Insert(loc)
+	}
+
+	for _, override := range grOverrides {
+		for _, loc := range override.etcdLocation {
+			if locations.Has(loc) {
+				continue
+			}
+			// copy
+			newConfig := storageConfig
+			override.Apply(&newConfig, &StorageCodecConfig{})
+			newConfig.Transport.ServerList = []string{loc}
+			configs = append(configs, newConfig)
+			locations.Insert(loc)
+		}
+	}
+	return configs
+}
+
+// Backends implements StorageFactory.
 func (s *DefaultStorageFactory) Backends() []Backend {
 	return backends(s.StorageConfig, s.Overrides)
 }
 
 // Backends returns all backends for all registered storage destinations.
 // Used for getting all instances for health validations.
+// Deprecated: Validate health by passing storagebackend.Config directly to storagefactory.CreateProber.
 func Backends(storageConfig storagebackend.Config) []Backend {
 	return backends(storageConfig, nil)
 }