api: NodeStatus: rename RuntimeClasses to RuntimeHandlers

The runtime classes are apiserver's concept, while the handlers are kubelet's concept.
For NodeStatus, it makes more sense to return the latter ones here.

This commit modifies the following files:

- pkg/apis/core/types.go
- staging/src/k8s.io/api/core/v1/types.go
- pkg/kubelet/nodestatus/setters.go
- pkg/kubelet/kubelet_node_status.go
- pkg/registry/core/node/strategy.go
- test/e2e_node/mount_rro_linux_test.go

Other changes were auto-generated by running `make update`.

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>

Kubernetes-commit: 1dc05009fe7f4e1d139b0c8394683edb54f8d082

Author: AkihiroSuda

core/v1/generated.pb.go

@@ -5769,24 +5769,24 @@ type NodeDaemonEndpoints struct {
 	KubeletEndpoint DaemonEndpoint `json:"kubeletEndpoint,omitempty" protobuf:"bytes,1,opt,name=kubeletEndpoint"`
 }
 
-// NodeRuntimeClassFeatures is a set of runtime features.
-type NodeRuntimeClassFeatures struct {
-	// RecursiveReadOnlyMounts is set to true if the runtime class supports RecursiveReadOnlyMounts.
+// NodeRuntimeHandlerFeatures is a set of runtime features.
+type NodeRuntimeHandlerFeatures struct {
+	// RecursiveReadOnlyMounts is set to true if the runtime handler supports RecursiveReadOnlyMounts.
 	// +featureGate=RecursiveReadOnlyMounts
 	// +optional
 	RecursiveReadOnlyMounts *bool `json:"recursiveReadOnlyMounts,omitempty" protobuf:"varint,1,opt,name=recursiveReadOnlyMounts"`
 	// Reserved: UserNamespaces *bool (varint 2, for consistency with CRI API)
 }
 
-// NodeRuntimeClass is a set of runtime class information.
-type NodeRuntimeClass struct {
-	// Runtime class name.
-	// Empty for the default runtime class.
+// NodeRuntimeHandler is a set of runtime handler information.
+type NodeRuntimeHandler struct {
+	// Runtime handler name.
+	// Empty for the default runtime handler.
 	// +optional
 	Name string `json:"name" protobuf:"bytes,1,opt,name=name"`
 	// Supported features.
 	// +optional
-	Features *NodeRuntimeClassFeatures `json:"features,omitempty" protobuf:"bytes,2,opt,name=features"`
+	Features *NodeRuntimeHandlerFeatures `json:"features,omitempty" protobuf:"bytes,2,opt,name=features"`
 }
 
 // NodeSystemInfo is a set of ids/uuids to uniquely identify the node.
@@ -5925,11 +5925,11 @@ type NodeStatus struct {
 	// Status of the config assigned to the node via the dynamic Kubelet config feature.
 	// +optional
 	Config *NodeConfigStatus `json:"config,omitempty" protobuf:"bytes,11,opt,name=config"`
-	// The available runtime classes.
+	// The available runtime handlers.
 	// +featureGate=RecursiveReadOnlyMounts
 	// +optional
 	// +listType=atomic
-	RuntimeClasses []NodeRuntimeClass `json:"runtimeClasses,omitempty" protobuf:"bytes,12,rep,name=runtimeClasses"`
+	RuntimeHandlers []NodeRuntimeHandler `json:"runtimeHandlers,omitempty" protobuf:"bytes,12,rep,name=runtimeHandlers"`
 }
 
 type UniqueVolumeName string

core/v1/generated.proto

@@ -1214,23 +1214,23 @@ func (NodeProxyOptions) SwaggerDoc() map[string]string {
 	return map_NodeProxyOptions
 }
 
-var map_NodeRuntimeClass = map[string]string{
-	"":         "NodeRuntimeClass is a set of runtime class information.",
-	"name":     "Runtime class name. Empty for the default runtime class.",
+var map_NodeRuntimeHandler = map[string]string{
+	"":         "NodeRuntimeHandler is a set of runtime handler information.",
+	"name":     "Runtime handler name. Empty for the default runtime handler.",
 	"features": "Supported features.",
 }
 
-func (NodeRuntimeClass) SwaggerDoc() map[string]string {
-	return map_NodeRuntimeClass
+func (NodeRuntimeHandler) SwaggerDoc() map[string]string {
+	return map_NodeRuntimeHandler
 }
 
-var map_NodeRuntimeClassFeatures = map[string]string{
-	"":                        "NodeRuntimeClassFeatures is a set of runtime features.",
-	"recursiveReadOnlyMounts": "RecursiveReadOnlyMounts is set to true if the runtime class supports RecursiveReadOnlyMounts.",
+var map_NodeRuntimeHandlerFeatures = map[string]string{
+	"":                        "NodeRuntimeHandlerFeatures is a set of runtime features.",
+	"recursiveReadOnlyMounts": "RecursiveReadOnlyMounts is set to true if the runtime handler supports RecursiveReadOnlyMounts.",
 }
 
-func (NodeRuntimeClassFeatures) SwaggerDoc() map[string]string {
-	return map_NodeRuntimeClassFeatures
+func (NodeRuntimeHandlerFeatures) SwaggerDoc() map[string]string {
+	return map_NodeRuntimeHandlerFeatures
 }
 
 var map_NodeSelector = map[string]string{
@@ -1291,7 +1291,7 @@ var map_NodeStatus = map[string]string{
 	"volumesInUse":    "List of attachable volumes in use (mounted) by the node.",
 	"volumesAttached": "List of volumes that are attached to the node.",
 	"config":          "Status of the config assigned to the node via the dynamic Kubelet config feature.",
-	"runtimeClasses":  "The available runtime classes.",
+	"runtimeHandlers": "The available runtime handlers.",
 }
 
 func (NodeStatus) SwaggerDoc() map[string]string {

core/v1/types.go

@@ -157,7 +157,7 @@
       },
       "error": "errorValue"
     },
-    "runtimeClasses": [
+    "runtimeHandlers": [
       {
         "name": "nameValue",
         "features": {

core/v1/types_swagger_doc_generated.go

@@ -108,7 +108,7 @@ status:
     osImage: osImageValue
     systemUUID: systemUUIDValue
   phase: phaseValue
-  runtimeClasses:
+  runtimeHandlers:
   - features:
       recursiveReadOnlyMounts: true
     name: nameValue