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tinkerbelldatacenterconfig_webhook.go
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tinkerbelldatacenterconfig_webhook.go
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// Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
//
// 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 v1alpha1
import (
"fmt"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/validation/field"
ctrl "sigs.k8s.io/controller-runtime"
logf "sigs.k8s.io/controller-runtime/pkg/log"
"sigs.k8s.io/controller-runtime/pkg/webhook"
)
// log is for logging in this package.
var tinkerbelldatacenterconfiglog = logf.Log.WithName("tinkerbelldatacenterconfig-resource")
// SetupWebhookWithManager sets up TinkerbellDatacenterConfig webhook to controller manager.
func (r *TinkerbellDatacenterConfig) SetupWebhookWithManager(mgr ctrl.Manager) error {
return ctrl.NewWebhookManagedBy(mgr).
For(r).
Complete()
}
// EDIT THIS FILE! THIS IS SCAFFOLDING FOR YOU TO OWN!
// TODO(user): change verbs to "verbs=create;update;delete" if you want to enable deletion validation.
//+kubebuilder:webhook:path=/validate-anywhere-eks-amazonaws-com-v1alpha1-tinkerbelldatacenterconfig,mutating=false,failurePolicy=fail,sideEffects=None,groups=anywhere.eks.amazonaws.com,resources=tinkerbelldatacenterconfigs,verbs=create;update,versions=v1alpha1,name=validation.tinkerbelldatacenterconfig.anywhere.amazonaws.com,admissionReviewVersions={v1,v1beta1}
var _ webhook.Validator = &TinkerbellDatacenterConfig{}
// ValidateCreate implements webhook.Validator so a webhook will be registered for the type.
func (r *TinkerbellDatacenterConfig) ValidateCreate() error {
tinkerbelldatacenterconfiglog.Info("validate create", "name", r.Name)
if err := r.Validate(); err != nil {
return apierrors.NewInvalid(
GroupVersion.WithKind(TinkerbellDatacenterKind).GroupKind(),
r.Name,
field.ErrorList{
field.Invalid(field.NewPath("spec"), r.Spec, err.Error()),
},
)
}
if r.IsReconcilePaused() {
tinkerbelldatacenterconfiglog.Info("TinkerbellDatacenterConfig is paused, so allowing create", "name", r.Name)
return nil
}
return nil
}
// ValidateUpdate implements webhook.Validator so a webhook will be registered for the type.
func (r *TinkerbellDatacenterConfig) ValidateUpdate(old runtime.Object) error {
tinkerbelldatacenterconfiglog.Info("validate update", "name", r.Name)
oldTinkerbellDatacenterConfig, ok := old.(*TinkerbellDatacenterConfig)
if !ok {
return apierrors.NewBadRequest(fmt.Sprintf("expected a TinkerbellDatacenterConfig but got a %T", old))
}
var allErrs field.ErrorList
allErrs = append(allErrs, validateImmutableFieldsTinkerbellDatacenterConfig(r, oldTinkerbellDatacenterConfig)...)
if len(allErrs) != 0 {
return apierrors.NewInvalid(GroupVersion.WithKind(TinkerbellDatacenterKind).GroupKind(), r.Name, allErrs)
}
if err := r.Validate(); err != nil {
allErrs = append(allErrs, field.Invalid(field.NewPath("spec"), r.Spec, err.Error()))
}
if len(allErrs) != 0 {
return apierrors.NewInvalid(GroupVersion.WithKind(TinkerbellDatacenterKind).GroupKind(), r.Name, allErrs)
}
return nil
}
// ValidateDelete implements webhook.Validator so a webhook will be registered for the type.
func (r *TinkerbellDatacenterConfig) ValidateDelete() error {
tinkerbelldatacenterconfiglog.Info("validate delete", "name", r.Name)
// TODO(user): fill in your validation logic upon object deletion.
return nil
}
func validateImmutableFieldsTinkerbellDatacenterConfig(new, old *TinkerbellDatacenterConfig) field.ErrorList {
var allErrs field.ErrorList
specPath := field.NewPath("spec")
if new.Spec.TinkerbellIP != old.Spec.TinkerbellIP {
allErrs = append(
allErrs,
field.Forbidden(specPath.Child("tinkerbellIP"), "field is immutable"),
)
}
if new.Spec.HookImagesURLPath != old.Spec.HookImagesURLPath && !metav1.HasAnnotation(new.ObjectMeta, ManagedByCLIAnnotation) {
allErrs = append(
allErrs,
field.Forbidden(specPath.Child("hookImagesURLPath"), "field is immutable"),
)
}
if new.Spec.SkipLoadBalancerDeployment != old.Spec.SkipLoadBalancerDeployment && !metav1.HasAnnotation(new.ObjectMeta, ManagedByCLIAnnotation) {
allErrs = append(
allErrs,
field.Forbidden(specPath.Child("skipLoadBalancerDeployment"), "field is immutable"),
)
}
return allErrs
}