mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-18 12:20:24 +00:00
c4f79d455f
As kubernetes 1.24.0 is released, updating kubernetes dependencies to 1.24.0 updates: #3086 Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
103 lines
2.8 KiB
Go
103 lines
2.8 KiB
Go
/*
|
|
Copyright 2018 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package admission
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
|
|
"k8s.io/apiserver/pkg/audit"
|
|
)
|
|
|
|
// auditHandler logs annotations set by other admission handlers
|
|
type auditHandler struct {
|
|
Interface
|
|
}
|
|
|
|
var _ Interface = &auditHandler{}
|
|
var _ MutationInterface = &auditHandler{}
|
|
var _ ValidationInterface = &auditHandler{}
|
|
|
|
// WithAudit is a decorator for a admission phase. It saves annotations
|
|
// of attribute into the audit event. Attributes passed to the Admit and
|
|
// Validate function must be instance of privateAnnotationsGetter or
|
|
// AnnotationsGetter, otherwise an error is returned.
|
|
func WithAudit(i Interface) Interface {
|
|
if i == nil {
|
|
return i
|
|
}
|
|
return &auditHandler{Interface: i}
|
|
}
|
|
|
|
func (handler *auditHandler) Admit(ctx context.Context, a Attributes, o ObjectInterfaces) error {
|
|
if !handler.Interface.Handles(a.GetOperation()) {
|
|
return nil
|
|
}
|
|
if err := ensureAnnotationGetter(a); err != nil {
|
|
return err
|
|
}
|
|
var err error
|
|
if mutator, ok := handler.Interface.(MutationInterface); ok {
|
|
err = mutator.Admit(ctx, a, o)
|
|
handler.logAnnotations(ctx, a)
|
|
}
|
|
return err
|
|
}
|
|
|
|
func (handler *auditHandler) Validate(ctx context.Context, a Attributes, o ObjectInterfaces) error {
|
|
if !handler.Interface.Handles(a.GetOperation()) {
|
|
return nil
|
|
}
|
|
if err := ensureAnnotationGetter(a); err != nil {
|
|
return err
|
|
}
|
|
var err error
|
|
if validator, ok := handler.Interface.(ValidationInterface); ok {
|
|
err = validator.Validate(ctx, a, o)
|
|
handler.logAnnotations(ctx, a)
|
|
}
|
|
return err
|
|
}
|
|
|
|
func ensureAnnotationGetter(a Attributes) error {
|
|
_, okPrivate := a.(privateAnnotationsGetter)
|
|
_, okPublic := a.(AnnotationsGetter)
|
|
if okPrivate || okPublic {
|
|
return nil
|
|
}
|
|
return fmt.Errorf("attributes must be an instance of privateAnnotationsGetter or AnnotationsGetter")
|
|
}
|
|
|
|
func (handler *auditHandler) logAnnotations(ctx context.Context, a Attributes) {
|
|
ae := audit.AuditEventFrom(ctx)
|
|
if ae == nil {
|
|
return
|
|
}
|
|
|
|
var annotations map[string]string
|
|
switch a := a.(type) {
|
|
case privateAnnotationsGetter:
|
|
annotations = a.getAnnotations(ae.Level)
|
|
case AnnotationsGetter:
|
|
annotations = a.GetAnnotations(ae.Level)
|
|
default:
|
|
// this will never happen, because we have already checked it in ensureAnnotationGetter
|
|
}
|
|
|
|
audit.AddAuditAnnotationsMap(ctx, annotations)
|
|
}
|