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nutanixdatacenterconfig_webhook.go
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nutanixdatacenterconfig_webhook.go
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package v1alpha1
import (
"fmt"
apierrors "k8s.io/apimachinery/pkg/api/errors"
"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"
)
// nutanixdatacenterconfiglog is for logging in this package.
var nutanixdatacenterconfiglog = logf.Log.WithName("nutanixdatacenterconfig-resource")
// SetupWebhookWithManager sets up the webhook with the manager.
func (r *NutanixDatacenterConfig) SetupWebhookWithManager(mgr ctrl.Manager) error {
return ctrl.NewWebhookManagedBy(mgr).
For(r).
Complete()
}
//+kubebuilder:webhook:path=/validate-anywhere-eks-amazonaws-com-v1alpha1-nutanixdatacenterconfig,mutating=false,failurePolicy=fail,sideEffects=None,groups=anywhere.eks.amazonaws.com,resources=nutanixdatacenterconfigs,verbs=create;update,versions=v1alpha1,name=validation.nutanixdatacenterconfig.anywhere.amazonaws.com,admissionReviewVersions={v1,v1beta1}
var _ webhook.Validator = &NutanixDatacenterConfig{}
// ValidateCreate implements webhook.Validator so a webhook will be registered for the type.
func (r *NutanixDatacenterConfig) ValidateCreate() error {
nutanixdatacenterconfiglog.Info("validate create", "name", r.Name)
if r.IsReconcilePaused() {
nutanixdatacenterconfiglog.Info("NutanixDatacenterConfig is paused, allowing create", "name", r.Name)
return nil
}
if r.Spec.CredentialRef == nil {
return apierrors.NewInvalid(
GroupVersion.WithKind(NutanixDatacenterKind).GroupKind(),
r.Name,
field.ErrorList{
field.Invalid(field.NewPath("spec"), r.Spec, "credentialRef is required to be set to create a new NutanixDatacenterConfig"),
})
}
if err := r.Validate(); err != nil {
return apierrors.NewInvalid(
GroupVersion.WithKind(NutanixDatacenterKind).GroupKind(),
r.Name,
field.ErrorList{
field.Invalid(field.NewPath("spec"), r.Spec, err.Error()),
})
}
return nil
}
// ValidateUpdate implements webhook.Validator so a webhook will be registered for the type.
func (r *NutanixDatacenterConfig) ValidateUpdate(old runtime.Object) error {
nutanixdatacenterconfiglog.Info("validate update", "name", r.Name)
oldDatacenterConfig, ok := old.(*NutanixDatacenterConfig)
if !ok {
return apierrors.NewBadRequest(fmt.Sprintf("expected a NutanixDatacenterConfig but got a %T", old))
}
if oldDatacenterConfig.IsReconcilePaused() {
nutanixdatacenterconfiglog.Info("NutanixDatacenterConfig is paused, allowing update", "name", r.Name)
return nil
}
var allErrs field.ErrorList
allErrs = append(allErrs, validateImmutableFieldsNutanixDatacenterConfig(r, oldDatacenterConfig)...)
if r.Spec.CredentialRef == nil {
// check if the old object has a credentialRef set
if oldDatacenterConfig.Spec.CredentialRef != nil {
allErrs = append(allErrs, field.Forbidden(field.NewPath("spec.credentialRef"), "credentialRef cannot be removed from an existing NutanixDatacenterConfig"))
}
}
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(NutanixDatacenterKind).GroupKind(),
r.Name,
allErrs)
}
return nil
}
// ValidateDelete implements webhook.Validator so a webhook will be registered for the type.
func (r *NutanixDatacenterConfig) ValidateDelete() error {
nutanixdatacenterconfiglog.Info("validate delete", "name", r.Name)
return nil
}
func validateImmutableFieldsNutanixDatacenterConfig(new, old *NutanixDatacenterConfig) field.ErrorList {
var allErrs field.ErrorList
specPath := field.NewPath("spec")
if old.IsReconcilePaused() {
nutanixmachineconfiglog.Info("Reconciliation is paused")
return nil
}
if new.Spec.Endpoint != old.Spec.Endpoint {
allErrs = append(allErrs, field.Forbidden(specPath.Child("endpoint"), "field is immutable"))
}
return allErrs
}