karmada/pkg/webhook/clusteroverridepolicy/validating.go

48 lines
1.4 KiB
Go

package clusteroverridepolicy
import (
"context"
"net/http"
"k8s.io/klog/v2"
"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
policyv1alpha1 "github.com/karmada-io/karmada/pkg/apis/policy/v1alpha1"
"github.com/karmada-io/karmada/pkg/util/validation"
)
// ValidatingAdmission validates ClusterOverridePolicy object when creating/updating/deleting.
type ValidatingAdmission struct {
decoder *admission.Decoder
}
// Check if our ValidatingAdmission implements necessary interface
var _ admission.Handler = &ValidatingAdmission{}
var _ admission.DecoderInjector = &ValidatingAdmission{}
// Handle implements admission.Handler interface.
// It yields a response to an AdmissionRequest.
func (v *ValidatingAdmission) Handle(_ context.Context, req admission.Request) admission.Response {
policy := &policyv1alpha1.ClusterOverridePolicy{}
err := v.decoder.Decode(req, policy)
if err != nil {
return admission.Errored(http.StatusBadRequest, err)
}
klog.V(2).Infof("Validating ClusterOverridePolicy(%s) for request: %s", policy.Name, req.Operation)
if errs := validation.ValidateOverrideSpec(&policy.Spec); len(errs) != 0 {
klog.Error(errs)
return admission.Denied(errs.ToAggregate().Error())
}
return admission.Allowed("")
}
// InjectDecoder implements admission.DecoderInjector interface.
// A decoder will be automatically injected.
func (v *ValidatingAdmission) InjectDecoder(d *admission.Decoder) error {
v.decoder = d
return nil
}