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validating.go
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validating.go
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package resourceinterpretercustomization
import (
"context"
"net/http"
"k8s.io/klog/v2"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
configv1alpha1 "github.com/karmada-io/karmada/pkg/apis/config/v1alpha1"
)
// ValidatingAdmission validates ResourceInterpreterCustomization object when creating/updating.
type ValidatingAdmission struct {
client.Client
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(ctx context.Context, req admission.Request) admission.Response {
configuration := &configv1alpha1.ResourceInterpreterCustomization{}
err := v.Decoder.Decode(req, configuration)
if err != nil {
return admission.Errored(http.StatusBadRequest, err)
}
klog.V(2).Infof("Validating ResourceInterpreterCustomization(%s) for request: %s", configuration.Name, req.Operation)
configs := &configv1alpha1.ResourceInterpreterCustomizationList{}
if err = v.List(ctx, configs); err != nil {
return admission.Errored(http.StatusInternalServerError, err)
}
if err = validateResourceInterpreterCustomizations(configuration, configs); err != nil {
return admission.Denied(err.Error())
}
return admission.Allowed("")
}