github.com/redhat-appstudio/release-service@v0.0.0-20240507045911-a8558ef3422a/api/v1alpha1/webhooks/release/webhook.go (about)

     1  /*
     2  Copyright 2022.
     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 release
    18  
    19  import (
    20  	"context"
    21  	"fmt"
    22  	"github.com/redhat-appstudio/release-service/loader"
    23  	"reflect"
    24  
    25  	"github.com/go-logr/logr"
    26  	"github.com/redhat-appstudio/release-service/api/v1alpha1"
    27  	"k8s.io/apimachinery/pkg/api/errors"
    28  	"k8s.io/apimachinery/pkg/runtime"
    29  	ctrl "sigs.k8s.io/controller-runtime"
    30  	"sigs.k8s.io/controller-runtime/pkg/client"
    31  	"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
    32  )
    33  
    34  // Webhook describes the data structure for the release webhook
    35  type Webhook struct {
    36  	client client.Client
    37  	loader loader.ObjectLoader
    38  	log    logr.Logger
    39  }
    40  
    41  // Default implements webhook.Defaulter so a webhook will be registered for the type.
    42  func (w *Webhook) Default(ctx context.Context, obj runtime.Object) error {
    43  	release := obj.(*v1alpha1.Release)
    44  
    45  	if release.Spec.GracePeriodDays != 0 {
    46  		return nil
    47  	}
    48  
    49  	releasePlan, err := w.loader.GetReleasePlan(ctx, w.client, release)
    50  	if err != nil {
    51  		if errors.IsNotFound(err) {
    52  			w.log.Info("releasePlan not found. Not setting ReleaseGracePeriodDays")
    53  			return nil
    54  		} else {
    55  			return err
    56  		}
    57  	}
    58  
    59  	release.Spec.GracePeriodDays = releasePlan.Spec.ReleaseGracePeriodDays
    60  
    61  	return nil
    62  }
    63  
    64  //+kubebuilder:webhook:path=/mutate-appstudio-redhat-com-v1alpha1-release,mutating=true,failurePolicy=fail,sideEffects=None,groups=appstudio.redhat.com,resources=releases,verbs=create,versions=v1alpha1,name=mrelease.kb.io,admissionReviewVersions=v1
    65  //+kubebuilder:webhook:path=/validate-appstudio-redhat-com-v1alpha1-release,mutating=false,failurePolicy=fail,sideEffects=None,groups=appstudio.redhat.com,resources=releases,verbs=create;update,versions=v1alpha1,name=vrelease.kb.io,admissionReviewVersions=v1
    66  
    67  func (w *Webhook) Register(mgr ctrl.Manager, log *logr.Logger) error {
    68  	w.client = mgr.GetClient()
    69  	w.loader = loader.NewLoader()
    70  	w.log = log.WithName("release")
    71  
    72  	return ctrl.NewWebhookManagedBy(mgr).
    73  		For(&v1alpha1.Release{}).
    74  		WithDefaulter(w).
    75  		WithValidator(w).
    76  		Complete()
    77  }
    78  
    79  // ValidateCreate implements webhook.Validator so a webhook will be registered for the type
    80  func (w *Webhook) ValidateCreate(ctx context.Context, obj runtime.Object) (warnings admission.Warnings, err error) {
    81  	return nil, nil
    82  }
    83  
    84  // ValidateUpdate implements webhook.Validator so a webhook will be registered for the type
    85  func (w *Webhook) ValidateUpdate(ctx context.Context, oldObj, newObj runtime.Object) (warnings admission.Warnings, err error) {
    86  	oldRelease := oldObj.(*v1alpha1.Release)
    87  	newRelease := newObj.(*v1alpha1.Release)
    88  
    89  	if !reflect.DeepEqual(newRelease.Spec, oldRelease.Spec) {
    90  		return nil, fmt.Errorf("release resources spec cannot be updated")
    91  	}
    92  
    93  	return nil, nil
    94  }
    95  
    96  // ValidateDelete implements webhook.Validator so a webhook will be registered for the type
    97  func (w *Webhook) ValidateDelete(ctx context.Context, obj runtime.Object) (warnings admission.Warnings, err error) {
    98  	return nil, nil
    99  }