54 lines
1.4 KiB
Go
54 lines
1.4 KiB
Go
/*
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Copyright 2022 The Kruise 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 webhook
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import (
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"context"
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"encoding/json"
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corev1 "k8s.io/api/core/v1"
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"net/http"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
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)
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type PodMutatingHandler struct {
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Client client.Client
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decoder *admission.Decoder
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}
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func (pmh *PodMutatingHandler) Handle(ctx context.Context, req admission.Request) admission.Response {
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pod := &corev1.Pod{}
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err := pmh.decoder.Decode(req, pod)
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if err != nil {
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return admission.Errored(http.StatusBadRequest, err)
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}
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pod = mutatingPod(pod, pmh.Client)
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// mutate the fields in pod
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marshaledPod, err := json.Marshal(pod)
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if err != nil {
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return admission.Errored(http.StatusInternalServerError, err)
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}
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return admission.PatchResponseFromRaw(req.Object.Raw, marshaledPod)
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}
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func mutatingPod(pod *corev1.Pod, client client.Client) *corev1.Pod {
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return pod
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}
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