mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-25 15:50:20 +00:00
b1a4590967
There is no release for sigs.k8s.io/controller-runtime that supports Kubernetes v1.27. The main branch has all the required modifications, so we can use that for the time being. Signed-off-by: Niels de Vos <ndevos@ibm.com>
96 lines
2.8 KiB
Go
96 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"
|
|
"encoding/json"
|
|
"fmt"
|
|
"net/http"
|
|
|
|
jsonpatch "gomodules.xyz/jsonpatch/v2"
|
|
admissionv1 "k8s.io/api/admission/v1"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
)
|
|
|
|
type multiMutating []Handler
|
|
|
|
func (hs multiMutating) Handle(ctx context.Context, req Request) Response {
|
|
patches := []jsonpatch.JsonPatchOperation{}
|
|
for _, handler := range hs {
|
|
resp := handler.Handle(ctx, req)
|
|
if !resp.Allowed {
|
|
return resp
|
|
}
|
|
if resp.PatchType != nil && *resp.PatchType != admissionv1.PatchTypeJSONPatch {
|
|
return Errored(http.StatusInternalServerError,
|
|
fmt.Errorf("unexpected patch type returned by the handler: %v, only allow: %v",
|
|
resp.PatchType, admissionv1.PatchTypeJSONPatch))
|
|
}
|
|
patches = append(patches, resp.Patches...)
|
|
}
|
|
var err error
|
|
marshaledPatch, err := json.Marshal(patches)
|
|
if err != nil {
|
|
return Errored(http.StatusBadRequest, fmt.Errorf("error when marshaling the patch: %w", err))
|
|
}
|
|
return Response{
|
|
AdmissionResponse: admissionv1.AdmissionResponse{
|
|
Allowed: true,
|
|
Result: &metav1.Status{
|
|
Code: http.StatusOK,
|
|
},
|
|
Patch: marshaledPatch,
|
|
PatchType: func() *admissionv1.PatchType { pt := admissionv1.PatchTypeJSONPatch; return &pt }(),
|
|
},
|
|
}
|
|
}
|
|
|
|
// MultiMutatingHandler combines multiple mutating webhook handlers into a single
|
|
// mutating webhook handler. Handlers are called in sequential order, and the first
|
|
// `allowed: false` response may short-circuit the rest. Users must take care to
|
|
// ensure patches are disjoint.
|
|
func MultiMutatingHandler(handlers ...Handler) Handler {
|
|
return multiMutating(handlers)
|
|
}
|
|
|
|
type multiValidating []Handler
|
|
|
|
func (hs multiValidating) Handle(ctx context.Context, req Request) Response {
|
|
for _, handler := range hs {
|
|
resp := handler.Handle(ctx, req)
|
|
if !resp.Allowed {
|
|
return resp
|
|
}
|
|
}
|
|
return Response{
|
|
AdmissionResponse: admissionv1.AdmissionResponse{
|
|
Allowed: true,
|
|
Result: &metav1.Status{
|
|
Code: http.StatusOK,
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
// MultiValidatingHandler combines multiple validating webhook handlers into a single
|
|
// validating webhook handler. Handlers are called in sequential order, and the first
|
|
// `allowed: false` response may short-circuit the rest.
|
|
func MultiValidatingHandler(handlers ...Handler) Handler {
|
|
return multiValidating(handlers)
|
|
}
|