59 lines
1.7 KiB
Go
59 lines
1.7 KiB
Go
/*
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Copyright 2021 The Karmada 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 federatedhpa
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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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"k8s.io/klog/v2"
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"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
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autoscalingv1alpha1 "github.com/karmada-io/karmada/pkg/apis/autoscaling/v1alpha1"
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"github.com/karmada-io/karmada/pkg/util/lifted"
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)
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// MutatingAdmission mutates API request if necessary.
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type MutatingAdmission struct {
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Decoder admission.Decoder
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}
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// Check if our MutatingAdmission implements necessary interface
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var _ admission.Handler = &MutatingAdmission{}
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// Handle yields a response to an AdmissionRequest.
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func (a *MutatingAdmission) Handle(_ context.Context, req admission.Request) admission.Response {
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federatedHPA := &autoscalingv1alpha1.FederatedHPA{}
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err := a.Decoder.Decode(req, federatedHPA)
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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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klog.V(2).Infof("Mutating federatedHPA(%s/%s) for request: %s", federatedHPA.Namespace, federatedHPA.Name, req.Operation)
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lifted.SetDefaultsFederatedHPA(federatedHPA)
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marshaledBytes, err := json.Marshal(federatedHPA)
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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, marshaledBytes)
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}
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