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oidcconfig_webhook.go
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oidcconfig_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"
)
// log is for logging in this package.
var oidcconfiglog = logf.Log.WithName("oidcconfig-resource")
func (r *OIDCConfig) SetupWebhookWithManager(mgr ctrl.Manager) error {
return ctrl.NewWebhookManagedBy(mgr).
For(r).
Complete()
}
// change verbs to "verbs=create;update;delete" if you want to enable deletion validation.
//+kubebuilder:webhook:path=/validate-anywhere-eks-amazonaws-com-v1alpha1-oidcconfig,mutating=false,failurePolicy=fail,sideEffects=None,groups=anywhere.eks.amazonaws.com,resources=oidcconfigs,verbs=create;update,versions=v1alpha1,name=validation.oidcconfig.anywhere.amazonaws.com,admissionReviewVersions={v1,v1beta1}
var _ webhook.Validator = &OIDCConfig{}
// ValidateCreate implements webhook.Validator so a webhook will be registered for the type.
func (r *OIDCConfig) ValidateCreate() error {
oidcconfiglog.Info("validate create", "name", r.Name)
allErrs := r.Validate()
if len(allErrs) == 0 {
return nil
}
return apierrors.NewInvalid(GroupVersion.WithKind(OIDCConfigKind).GroupKind(), r.Name, allErrs)
}
// ValidateUpdate implements webhook.Validator so a webhook will be registered for the type.
func (r *OIDCConfig) ValidateUpdate(old runtime.Object) error {
oidcconfiglog.Info("validate update", "name", r.Name)
oldOIDCConfig, ok := old.(*OIDCConfig)
if !ok {
return apierrors.NewBadRequest(fmt.Sprintf("expected a OIDCConfig but got a %T", old))
}
if oldOIDCConfig.IsManaged() {
clusterlog.Info("OIDC config is associated with workload cluster", "name", oldOIDCConfig.Name)
return nil
}
clusterlog.Info("OIDC config is associated with management cluster", "name", oldOIDCConfig.Name)
var allErrs field.ErrorList
allErrs = append(allErrs, validateImmutableOIDCFields(r, oldOIDCConfig)...)
if len(allErrs) == 0 {
return nil
}
return apierrors.NewInvalid(GroupVersion.WithKind(OIDCConfigKind).GroupKind(), r.Name, allErrs)
}
// ValidateDelete implements webhook.Validator so a webhook will be registered for the type.
func (r *OIDCConfig) ValidateDelete() error {
oidcconfiglog.Info("validate delete", "name", r.Name)
return nil
}
func validateImmutableOIDCFields(new, old *OIDCConfig) field.ErrorList {
var allErrs field.ErrorList
if !new.Spec.Equal(&old.Spec) {
allErrs = append(
allErrs,
field.Forbidden(field.NewPath(OIDCConfigKind), "config is immutable"),
)
}
return allErrs
}