1. update clientset, deepcopy using code-generator

2. add a dummy file tools.go to force "go mod vendor" to see
code-generator as dependencies
3. add a script to update CRD
4. add a README to document CRD updating steps
run go mod tidy
update README

vendor/k8s.io/api/policy/v1beta1/generated.proto

@@ -151,7 +151,7 @@ message PodDisruptionBudgetSpec {
 // PodDisruptionBudget. Status may trail the actual state of a system.
 message PodDisruptionBudgetStatus {
   // Most recent generation observed when updating this PDB status. PodDisruptionsAllowed and other
-  // status informatio is valid only if observedGeneration equals to PDB's object generation.
+  // status information is valid only if observedGeneration equals to PDB's object generation.
   // +optional
   optional int64 observedGeneration = 1;
 
@@ -186,7 +186,7 @@ message PodDisruptionBudgetStatus {
 // that will be applied to a pod and container.
 message PodSecurityPolicy {
   // Standard object's metadata.
-  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
   // +optional
   optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
 
@@ -198,7 +198,7 @@ message PodSecurityPolicy {
 // PodSecurityPolicyList is a list of PodSecurityPolicy objects.
 message PodSecurityPolicyList {
   // Standard list metadata.
-  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
   // +optional
   optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
 

vendor/k8s.io/api/policy/v1beta1/types.go

@@ -48,7 +48,7 @@ type PodDisruptionBudgetSpec struct {
 // PodDisruptionBudget. Status may trail the actual state of a system.
 type PodDisruptionBudgetStatus struct {
 	// Most recent generation observed when updating this PDB status. PodDisruptionsAllowed and other
-	// status informatio is valid only if observedGeneration equals to PDB's object generation.
+	// status information is valid only if observedGeneration equals to PDB's object generation.
 	// +optional
 	ObservedGeneration int64 `json:"observedGeneration,omitempty" protobuf:"varint,1,opt,name=observedGeneration"`
 
@@ -134,7 +134,7 @@ type Eviction struct {
 type PodSecurityPolicy struct {
 	metav1.TypeMeta `json:",inline"`
 	// Standard object's metadata.
-	// More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+	// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
 	// +optional
 	metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
 
@@ -276,7 +276,7 @@ var AllowAllCapabilities v1.Capability = "*"
 // FSType gives strong typing to different file systems that are used by volumes.
 type FSType string
 
-var (
+const (
 	AzureFile             FSType = "azureFile"
 	Flocker               FSType = "flocker"
 	FlexVolume            FSType = "flexVolume"
@@ -480,7 +480,7 @@ const AllowAllRuntimeClassNames = "*"
 type PodSecurityPolicyList struct {
 	metav1.TypeMeta `json:",inline"`
 	// Standard list metadata.
-	// More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+	// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
 	// +optional
 	metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
 

vendor/k8s.io/api/policy/v1beta1/types_swagger_doc_generated.go

@@ -126,7 +126,7 @@ func (PodDisruptionBudgetSpec) SwaggerDoc() map[string]string {
 
 var map_PodDisruptionBudgetStatus = map[string]string{
 	"":                   "PodDisruptionBudgetStatus represents information about the status of a PodDisruptionBudget. Status may trail the actual state of a system.",
-	"observedGeneration": "Most recent generation observed when updating this PDB status. PodDisruptionsAllowed and other status informatio is valid only if observedGeneration equals to PDB's object generation.",
+	"observedGeneration": "Most recent generation observed when updating this PDB status. PodDisruptionsAllowed and other status information is valid only if observedGeneration equals to PDB's object generation.",
 	"disruptedPods":      "DisruptedPods contains information about pods whose eviction was processed by the API server eviction subresource handler but has not yet been observed by the PodDisruptionBudget controller. A pod will be in this map from the time when the API server processed the eviction request to the time when the pod is seen by PDB controller as having been marked for deletion (or after a timeout). The key in the map is the name of the pod and the value is the time when the API server processed the eviction request. If the deletion didn't occur and a pod is still there it will be removed from the list automatically by PodDisruptionBudget controller after some time. If everything goes smooth this map should be empty for the most of the time. Large number of entries in the map may indicate problems with pod deletions.",
 	"disruptionsAllowed": "Number of pod disruptions that are currently allowed.",
 	"currentHealthy":     "current number of healthy pods",
@@ -140,7 +140,7 @@ func (PodDisruptionBudgetStatus) SwaggerDoc() map[string]string {
 
 var map_PodSecurityPolicy = map[string]string{
 	"":         "PodSecurityPolicy governs the ability to make requests that affect the Security Context that will be applied to a pod and container.",
-	"metadata": "Standard object's metadata. More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata",
+	"metadata": "Standard object's metadata. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata",
 	"spec":     "spec defines the policy enforced.",
 }
 
@@ -150,7 +150,7 @@ func (PodSecurityPolicy) SwaggerDoc() map[string]string {
 
 var map_PodSecurityPolicyList = map[string]string{
 	"":         "PodSecurityPolicyList is a list of PodSecurityPolicy objects.",
-	"metadata": "Standard list metadata. More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata",
+	"metadata": "Standard list metadata. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata",
 	"items":    "items is a list of schema objects.",
 }