mirror of https://github.com/openkruise/kruise.git
77 lines
2.3 KiB
Go
77 lines
2.3 KiB
Go
/*
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Copyright 2021 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 mutating
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import (
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"context"
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"encoding/json"
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"net/http"
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"reflect"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/klog/v2"
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"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
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"github.com/openkruise/kruise/apis/apps/defaults"
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appsv1alpha1 "github.com/openkruise/kruise/apis/apps/v1alpha1"
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"github.com/openkruise/kruise/pkg/util"
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utilimagejob "github.com/openkruise/kruise/pkg/util/imagejob"
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)
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// NodeImageCreateUpdateHandler handles NodeImage
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type NodeImageCreateUpdateHandler struct {
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// Decoder decodes objects
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Decoder admission.Decoder
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}
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var _ admission.Handler = &NodeImageCreateUpdateHandler{}
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// Handle handles admission requests.
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func (h *NodeImageCreateUpdateHandler) Handle(ctx context.Context, req admission.Request) admission.Response {
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obj := &appsv1alpha1.NodeImage{}
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err := h.Decoder.Decode(req, obj)
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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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var copy runtime.Object = obj.DeepCopy()
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// Set defaults
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defaults.SetDefaultsNodeImage(obj)
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// Sort image tags
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for name, imageSpec := range obj.Spec.Images {
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utilimagejob.SortSpecImageTags(&imageSpec)
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obj.Spec.Images[name] = imageSpec
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}
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for name, imageStatus := range obj.Status.ImageStatuses {
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utilimagejob.SortStatusImageTags(&imageStatus)
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obj.Status.ImageStatuses[name] = imageStatus
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}
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if reflect.DeepEqual(obj, copy) {
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return admission.Allowed("")
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}
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marshaled, err := json.Marshal(obj)
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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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resp := admission.PatchResponseFromRaw(req.AdmissionRequest.Object.Raw, marshaled)
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if len(resp.Patches) > 0 {
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klog.V(5).InfoS("Admit NodeImage patches", "name", obj.Name, "patches", util.DumpJSON(resp.Patches))
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}
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return resp
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}
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