mirror of
https://github.com/netbirdio/kubernetes-operator.git
synced 2026-05-22 17:11:40 -07:00
73 lines
2.6 KiB
Go
73 lines
2.6 KiB
Go
package v1
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import (
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"context"
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"fmt"
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corev1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/errors"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/types"
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ctrl "sigs.k8s.io/controller-runtime"
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"sigs.k8s.io/controller-runtime/pkg/client"
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logf "sigs.k8s.io/controller-runtime/pkg/log"
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"sigs.k8s.io/controller-runtime/pkg/webhook"
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"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
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netbirdiov1 "github.com/netbirdio/kubernetes-operator/api/v1"
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"github.com/netbirdio/kubernetes-operator/internal/controller"
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)
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// nolint:unused
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// log is for logging in this package.
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var nbresourcelog = logf.Log.WithName("nbresource-resource")
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// SetupNBResourceWebhookWithManager registers the webhook for NBResource in the manager.
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func SetupNBResourceWebhookWithManager(mgr ctrl.Manager) error {
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return ctrl.NewWebhookManagedBy(mgr).For(&netbirdiov1.NBResource{}).
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WithValidator(&NBResourceCustomValidator{client: mgr.GetClient()}).
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Complete()
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}
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// NBResourceCustomValidator struct is responsible for validating the NBResource resource
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// when it is created, updated, or deleted.
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type NBResourceCustomValidator struct {
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client client.Client
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}
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var _ webhook.CustomValidator = &NBResourceCustomValidator{}
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// ValidateCreate implements webhook.CustomValidator so a webhook will be registered for the type NBResource.
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func (v *NBResourceCustomValidator) ValidateCreate(ctx context.Context, obj runtime.Object) (admission.Warnings, error) {
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return nil, nil
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}
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// ValidateUpdate implements webhook.CustomValidator so a webhook will be registered for the type NBResource.
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func (v *NBResourceCustomValidator) ValidateUpdate(ctx context.Context, oldObj, newObj runtime.Object) (admission.Warnings, error) {
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return nil, nil
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}
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// ValidateDelete implements webhook.CustomValidator so a webhook will be registered for the type NBResource.
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func (v *NBResourceCustomValidator) ValidateDelete(ctx context.Context, obj runtime.Object) (admission.Warnings, error) {
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nbresource, ok := obj.(*netbirdiov1.NBResource)
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if !ok {
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return nil, fmt.Errorf("expected a NBResource object but got %T", obj)
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}
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nbresourcelog.Info("Validation for NBResource upon deletion", "name", nbresource.GetName())
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var svc corev1.Service
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err := v.client.Get(ctx, types.NamespacedName{Namespace: nbresource.Namespace, Name: nbresource.Name}, &svc)
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if errors.IsNotFound(err) {
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return nil, nil
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}
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if err != nil {
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return nil, err
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}
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if _, ok := svc.Annotations[controller.ServiceExposeAnnotation]; ok && svc.DeletionTimestamp == nil {
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return nil, fmt.Errorf("service %s/%s still has netbird.io/expose annotation", svc.Namespace, svc.Name)
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}
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return nil, nil
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}
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