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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| // Copyright 2024 | ||
| // | ||
| // 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 webhook | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| "github.com/Mirantis/hmc/api/v1alpha1" | ||
| "github.com/Mirantis/hmc/internal/utils" | ||
| apierrors "k8s.io/apimachinery/pkg/api/errors" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| ctrl "sigs.k8s.io/controller-runtime" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| "sigs.k8s.io/controller-runtime/pkg/webhook" | ||
| "sigs.k8s.io/controller-runtime/pkg/webhook/admission" | ||
| ) | ||
|
|
||
| type MultiClusterServiceValidator struct { | ||
| client.Client | ||
| } | ||
|
|
||
| const invalidMultiClusterServiceMsg = "the MultiClusterService is invalid" | ||
|
|
||
| // SetupWebhookWithManager will setup the manager to manage the webhooks | ||
| func (v *MultiClusterServiceValidator) SetupWebhookWithManager(mgr ctrl.Manager) error { | ||
| v.Client = mgr.GetClient() | ||
| return ctrl.NewWebhookManagedBy(mgr). | ||
| For(&v1alpha1.MultiClusterService{}). | ||
| WithValidator(v). | ||
| WithDefaulter(v). | ||
| Complete() | ||
| } | ||
|
|
||
| var ( | ||
| _ webhook.CustomValidator = &MultiClusterServiceValidator{} | ||
| _ webhook.CustomDefaulter = &MultiClusterServiceValidator{} | ||
| ) | ||
|
|
||
| // Default implements webhook.Defaulter so a webhook will be registered for the type. | ||
| func (*MultiClusterServiceValidator) Default(_ context.Context, _ runtime.Object) error { | ||
| return nil | ||
| } | ||
|
|
||
| // ValidateCreate implements webhook.Validator so a webhook will be registered for the type. | ||
| func (v *MultiClusterServiceValidator) ValidateCreate(ctx context.Context, obj runtime.Object) (admission.Warnings, error) { | ||
| mcs, ok := obj.(*v1alpha1.MultiClusterService) | ||
| if !ok { | ||
| return nil, apierrors.NewBadRequest(fmt.Sprintf("expected MultiClusterService but got a %T", obj)) | ||
| } | ||
|
|
||
| for _, svc := range mcs.Spec.Services { | ||
| tpl, err := getServiceTemplate(ctx, v.Client, utils.DefaultSystemNamespace, svc.Template) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("%s: %v", invalidMultiClusterServiceMsg, err) | ||
| } | ||
|
|
||
| if err := isTemplateValid(tpl.GetCommonStatus()); err != nil { | ||
| return nil, fmt.Errorf("%s: %v", invalidMultiClusterServiceMsg, err) | ||
| } | ||
| } | ||
|
|
||
| return nil, nil | ||
| } | ||
|
|
||
| // ValidateUpdate implements webhook.Validator so a webhook will be registered for the type. | ||
| func (v *MultiClusterServiceValidator) ValidateUpdate(ctx context.Context, oldObj, newObj runtime.Object) (admission.Warnings, error) { | ||
| _, ok := oldObj.(*v1alpha1.MultiClusterService) | ||
| if !ok { | ||
| return nil, apierrors.NewBadRequest(fmt.Sprintf("expected MultiClusterService but got a %T", oldObj)) | ||
| } | ||
| mcs, ok := newObj.(*v1alpha1.MultiClusterService) | ||
| if !ok { | ||
| return nil, apierrors.NewBadRequest(fmt.Sprintf("expected MultiClusterService but got a %T", newObj)) | ||
| } | ||
|
|
||
| for _, svc := range mcs.Spec.Services { | ||
| tpl, err := getServiceTemplate(ctx, v.Client, utils.DefaultSystemNamespace, svc.Template) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("%s: %v", invalidMultiClusterServiceMsg, err) | ||
| } | ||
|
|
||
| if err := isTemplateValid(tpl.GetCommonStatus()); err != nil { | ||
| return nil, fmt.Errorf("%s: %v", invalidMultiClusterServiceMsg, err) | ||
| } | ||
| } | ||
|
|
||
| return nil, nil | ||
| } | ||
|
|
||
| // ValidateDelete implements webhook.Validator so a webhook will be registered for the type. | ||
| func (*MultiClusterServiceValidator) ValidateDelete(_ context.Context, _ runtime.Object) (admission.Warnings, error) { | ||
| return nil, nil | ||
| } | ||
|
|
||
| func getServiceTemplate(ctx context.Context, c client.Client, templateNamespace, templateName string) (tpl *v1alpha1.ServiceTemplate, err error) { | ||
| tpl = new(v1alpha1.ServiceTemplate) | ||
| return tpl, c.Get(ctx, client.ObjectKey{Namespace: templateNamespace, Name: templateName}, tpl) | ||
| } |
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