83 lines
2.7 KiB
Go
83 lines
2.7 KiB
Go
/*
|
|
Copyright 2021 The Karmada 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 work
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"net/http"
|
|
|
|
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
|
|
"k8s.io/apimachinery/pkg/runtime"
|
|
"k8s.io/klog/v2"
|
|
"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
|
|
|
|
workv1alpha1 "github.com/karmada-io/karmada/pkg/apis/work/v1alpha1"
|
|
"github.com/karmada-io/karmada/pkg/resourceinterpreter/default/native/prune"
|
|
)
|
|
|
|
// MutatingAdmission mutates API request if necessary.
|
|
type MutatingAdmission struct {
|
|
Decoder *admission.Decoder
|
|
}
|
|
|
|
// Check if our MutatingAdmission implements necessary interface
|
|
var _ admission.Handler = &MutatingAdmission{}
|
|
|
|
// Handle yields a response to an AdmissionRequest.
|
|
func (a *MutatingAdmission) Handle(_ context.Context, req admission.Request) admission.Response {
|
|
work := &workv1alpha1.Work{}
|
|
|
|
err := a.Decoder.Decode(req, work)
|
|
if err != nil {
|
|
return admission.Errored(http.StatusBadRequest, err)
|
|
}
|
|
klog.V(2).Infof("Mutating work(%s) for request: %s", work.Name, req.Operation)
|
|
|
|
var manifests []workv1alpha1.Manifest
|
|
|
|
for _, manifest := range work.Spec.Workload.Manifests {
|
|
workloadObj := &unstructured.Unstructured{}
|
|
err := json.Unmarshal(manifest.Raw, workloadObj)
|
|
if err != nil {
|
|
klog.Errorf("Failed to unmarshal work(%s) manifest to Unstructured", work.Name)
|
|
return admission.Errored(http.StatusInternalServerError, err)
|
|
}
|
|
|
|
err = prune.RemoveIrrelevantField(workloadObj, prune.RemoveJobTTLSeconds)
|
|
if err != nil {
|
|
klog.Errorf("Failed to remove irrelevant field for work(%s): %v", work.Name, err)
|
|
return admission.Errored(http.StatusInternalServerError, err)
|
|
}
|
|
|
|
workloadJSON, err := workloadObj.MarshalJSON()
|
|
if err != nil {
|
|
klog.Errorf("Failed to marshal workload of work(%s)", work.Name)
|
|
return admission.Errored(http.StatusInternalServerError, err)
|
|
}
|
|
manifests = append(manifests, workv1alpha1.Manifest{RawExtension: runtime.RawExtension{Raw: workloadJSON}})
|
|
}
|
|
|
|
work.Spec.Workload.Manifests = manifests
|
|
marshaledBytes, err := json.Marshal(work)
|
|
if err != nil {
|
|
return admission.Errored(http.StatusInternalServerError, err)
|
|
}
|
|
|
|
return admission.PatchResponseFromRaw(req.Object.Raw, marshaledBytes)
|
|
}
|