Merge pull request kubernetes#67386 from CaoShuFeng/audit_annotation_object

Automatic merge from submit-queue (batch tested with PRs 55600, 67386). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

update Annotations description about audit.Event

ref: kubernetes#58679 (comment)

**What this PR does / why we need it**:

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #

**Special notes for your reviewer**:
/assign @liggitt 

**Release note**:

```release-note
NONE
```

Author: Kubernetes Submit Queue

staging/src/k8s.io/apiserver/pkg/apis/audit/types.go

@@ -132,9 +132,10 @@ type Event struct {
 
 	// Annotations is an unstructured key value map stored with an audit event that may be set by
 	// plugins invoked in the request serving chain, including authentication, authorization and
-	// admission plugins. Keys should uniquely identify the informing component to avoid name
-	// collisions (e.g. podsecuritypolicy.admission.k8s.io/policy). Values should be short. Annotations
-	// are included in the Metadata level.
+	// admission plugins. Note that these annotations are for the audit event, and do not correspond
+	// to the metadata.annotations of the submitted object. Keys should uniquely identify the informing
+	// component to avoid name collisions (e.g. podsecuritypolicy.admission.k8s.io/policy). Values
+	// should be short. Annotations are included in the Metadata level.
 	// +optional
 	Annotations map[string]string
 }

staging/src/k8s.io/apiserver/pkg/apis/audit/v1/generated.proto

@@ -127,9 +127,10 @@ type Event struct {
 
 	// Annotations is an unstructured key value map stored with an audit event that may be set by
 	// plugins invoked in the request serving chain, including authentication, authorization and
-	// admission plugins. Keys should uniquely identify the informing component to avoid name
-	// collisions (e.g. podsecuritypolicy.admission.k8s.io/policy). Values should be short. Annotations
-	// are included in the Metadata level.
+	// admission plugins. Note that these annotations are for the audit event, and do not correspond
+	// to the metadata.annotations of the submitted object. Keys should uniquely identify the informing
+	// component to avoid name collisions (e.g. podsecuritypolicy.admission.k8s.io/policy). Values
+	// should be short. Annotations are included in the Metadata level.
 	// +optional
 	Annotations map[string]string `json:"annotations,omitempty" protobuf:"bytes,15,rep,name=annotations"`
 }

staging/src/k8s.io/apiserver/pkg/apis/audit/v1/types.go

@@ -139,9 +139,10 @@ type Event struct {
 
 	// Annotations is an unstructured key value map stored with an audit event that may be set by
 	// plugins invoked in the request serving chain, including authentication, authorization and
-	// admission plugins. Keys should uniquely identify the informing component to avoid name
-	// collisions (e.g. podsecuritypolicy.admission.k8s.io/policy). Values should be short. Annotations
-	// are included in the Metadata level.
+	// admission plugins. Note that these annotations are for the audit event, and do not correspond
+	// to the metadata.annotations of the submitted object. Keys should uniquely identify the informing
+	// component to avoid name collisions (e.g. podsecuritypolicy.admission.k8s.io/policy). Values
+	// should be short. Annotations are included in the Metadata level.
 	// +optional
 	Annotations map[string]string `json:"annotations,omitempty" protobuf:"bytes,17,rep,name=annotations"`
 }

staging/src/k8s.io/apiserver/pkg/apis/audit/v1alpha1/generated.proto

@@ -135,9 +135,10 @@ type Event struct {
 
 	// Annotations is an unstructured key value map stored with an audit event that may be set by
 	// plugins invoked in the request serving chain, including authentication, authorization and
-	// admission plugins. Keys should uniquely identify the informing component to avoid name
-	// collisions (e.g. podsecuritypolicy.admission.k8s.io/policy). Values should be short. Annotations
-	// are included in the Metadata level.
+	// admission plugins. Note that these annotations are for the audit event, and do not correspond
+	// to the metadata.annotations of the submitted object. Keys should uniquely identify the informing
+	// component to avoid name collisions (e.g. podsecuritypolicy.admission.k8s.io/policy). Values
+	// should be short. Annotations are included in the Metadata level.
 	// +optional
 	Annotations map[string]string `json:"annotations,omitempty" protobuf:"bytes,17,rep,name=annotations"`
 }