sigs.k8s.io/cluster-api-provider-azure@v1.17.0/api/v1alpha1/azureasomanagedcontrolplane_webhook.go (about)

     1  /*
     2  Copyright 2024 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package v1alpha1
    18  
    19  import (
    20  	"context"
    21  	"fmt"
    22  
    23  	apierrors "k8s.io/apimachinery/pkg/api/errors"
    24  	"k8s.io/apimachinery/pkg/runtime"
    25  	"k8s.io/apimachinery/pkg/util/validation/field"
    26  	"sigs.k8s.io/cluster-api-provider-azure/feature"
    27  	ctrl "sigs.k8s.io/controller-runtime"
    28  	"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
    29  )
    30  
    31  // SetupAzureASOManagedControlPlaneWebhookWithManager sets up and registers the webhook with the manager.
    32  func SetupAzureASOManagedControlPlaneWebhookWithManager(mgr ctrl.Manager) error {
    33  	azureASOManagedControlPlaneWebhook := &azureASOManagedControlPlaneWebhook{}
    34  	return ctrl.NewWebhookManagedBy(mgr).
    35  		For(&AzureASOManagedControlPlane{}).
    36  		WithValidator(azureASOManagedControlPlaneWebhook).
    37  		Complete()
    38  }
    39  
    40  // azureASOManagedControlPlaneWebhook implements a validating webhook for AzureASOManagedControlPlane.
    41  type azureASOManagedControlPlaneWebhook struct {
    42  }
    43  
    44  // +kubebuilder:webhook:verbs=create,path=/validate-infrastructure-cluster-x-k8s-io-v1alpha1-azureasomanagedcontrolplane,mutating=false,failurePolicy=fail,groups=infrastructure.cluster.x-k8s.io,resources=azureasomanagedcontrolplanes,versions=v1alpha1,name=validation.azureasomanagedcontrolplane.infrastructure.cluster.x-k8s.io,sideEffects=None,admissionReviewVersions=v1;v1beta1
    45  
    46  // ValidateCreate implements webhook.Validator so a webhook will be registered for the type.
    47  func (ampw *azureASOManagedControlPlaneWebhook) ValidateCreate(ctx context.Context, obj runtime.Object) (admission.Warnings, error) {
    48  	_, ok := obj.(*AzureASOManagedControlPlane)
    49  	if !ok {
    50  		return nil, apierrors.NewBadRequest("expected an AzureASOManagedControlPlane")
    51  	}
    52  	if !feature.Gates.Enabled(feature.ASOAPI) {
    53  		return nil, field.Forbidden(
    54  			field.NewPath("spec"),
    55  			fmt.Sprintf("can be set only if the %s feature flag is enabled", feature.ASOAPI),
    56  		)
    57  	}
    58  	return nil, nil
    59  }
    60  
    61  // ValidateUpdate implements webhook.Validator so a webhook will be registered for the type.
    62  func (ampw *azureASOManagedControlPlaneWebhook) ValidateUpdate(ctx context.Context, oldObj, newObj runtime.Object) (admission.Warnings, error) {
    63  	return nil, nil
    64  }
    65  
    66  // ValidateDelete implements webhook.Validator so a webhook will be registered for the type.
    67  func (ampw *azureASOManagedControlPlaneWebhook) ValidateDelete(ctx context.Context, obj runtime.Object) (admission.Warnings, error) {
    68  	return nil, nil
    69  }