mirror of
https://github.com/ceph/ceph-csi.git
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5af3fe5deb
this commits add the controller runtime and its dependency to the vendor. Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
99 lines
2.8 KiB
Go
99 lines
2.8 KiB
Go
/*
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Copyright 2018 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package admission
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import (
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"net/http"
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"gomodules.xyz/jsonpatch/v2"
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admissionv1beta1 "k8s.io/api/admission/v1beta1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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// Allowed constructs a response indicating that the given operation
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// is allowed (without any patches).
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func Allowed(reason string) Response {
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return ValidationResponse(true, reason)
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}
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// Denied constructs a response indicating that the given operation
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// is not allowed.
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func Denied(reason string) Response {
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return ValidationResponse(false, reason)
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}
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// Patched constructs a response indicating that the given operation is
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// allowed, and that the target object should be modified by the given
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// JSONPatch operations.
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func Patched(reason string, patches ...jsonpatch.JsonPatchOperation) Response {
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resp := Allowed(reason)
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resp.Patches = patches
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return resp
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}
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// Errored creates a new Response for error-handling a request.
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func Errored(code int32, err error) Response {
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return Response{
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AdmissionResponse: admissionv1beta1.AdmissionResponse{
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Allowed: false,
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Result: &metav1.Status{
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Code: code,
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Message: err.Error(),
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},
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},
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}
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}
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// ValidationResponse returns a response for admitting a request.
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func ValidationResponse(allowed bool, reason string) Response {
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code := http.StatusForbidden
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if allowed {
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code = http.StatusOK
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}
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resp := Response{
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AdmissionResponse: admissionv1beta1.AdmissionResponse{
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Allowed: allowed,
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Result: &metav1.Status{
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Code: int32(code),
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},
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},
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}
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if len(reason) > 0 {
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resp.Result.Reason = metav1.StatusReason(reason)
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}
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return resp
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}
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// PatchResponseFromRaw takes 2 byte arrays and returns a new response with json patch.
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// The original object should be passed in as raw bytes to avoid the roundtripping problem
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// described in https://github.com/kubernetes-sigs/kubebuilder/issues/510.
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func PatchResponseFromRaw(original, current []byte) Response {
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patches, err := jsonpatch.CreatePatch(original, current)
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if err != nil {
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return Errored(http.StatusInternalServerError, err)
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}
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return Response{
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Patches: patches,
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AdmissionResponse: admissionv1beta1.AdmissionResponse{
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Allowed: true,
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PatchType: func() *admissionv1beta1.PatchType { pt := admissionv1beta1.PatchTypeJSONPatch; return &pt }(),
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},
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}
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}
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