karmada/pkg/webhook/federatedhpa/validating.go

40 lines
1.1 KiB
Go

package federatedhpa
import (
"context"
"net/http"
"k8s.io/klog/v2"
"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
autoscalingv1alpha1 "github.com/karmada-io/karmada/pkg/apis/autoscaling/v1alpha1"
"github.com/karmada-io/karmada/pkg/util/lifted"
)
// ValidatingAdmission validates FederatedHPA object when creating/updating.
type ValidatingAdmission struct {
Decoder *admission.Decoder
}
// Check if our ValidatingAdmission implements necessary interface
var _ admission.Handler = &ValidatingAdmission{}
// Handle implements admission.Handler interface.
// It yields a response to an AdmissionRequest.
func (v *ValidatingAdmission) Handle(_ context.Context, req admission.Request) admission.Response {
fhpa := &autoscalingv1alpha1.FederatedHPA{}
err := v.Decoder.Decode(req, fhpa)
if err != nil {
return admission.Errored(http.StatusBadRequest, err)
}
klog.V(2).Infof("Validating FederatedHPA(%s) for request: %s", klog.KObj(fhpa).String(), req.Operation)
if errs := lifted.ValidateFederatedHPA(fhpa); len(errs) != 0 {
klog.Errorf("%v", errs)
return admission.Denied(errs.ToAggregate().Error())
}
return admission.Allowed("")
}