Add a BaseWebhook that replaces all kubeflow webhooks

pkg/controller/jobframework/base_webhook.go

@@ -0,0 +1,88 @@
+/*
+Copyright 2024 The Kubernetes Authors.
+
+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 jobframework
+
+import (
+	"context"
+
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/util/validation/field"
+	"k8s.io/klog/v2"
+	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
+)
+
+// BaseWebhook applies basic defaulting and validation for jobs.
+type BaseWebhook struct {
+	ManageJobsWithoutQueueName bool
+	FromObject                 func(runtime.Object) GenericJob
+}
+
+func DefaultWebhookFactory(job GenericJob, fromObject func(runtime.Object) GenericJob) func(ctrl.Manager, ...Option) error {
+	return func(mgr ctrl.Manager, opts ...Option) error {
+		options := ProcessOptions(opts...)
+		wh := &BaseWebhook{
+			ManageJobsWithoutQueueName: options.ManageJobsWithoutQueueName,
+			FromObject:                 fromObject,
+		}
+		return ctrl.NewWebhookManagedBy(mgr).
+			For(job.Object()).
+			WithDefaulter(wh).
+			WithValidator(wh).
+			Complete()
+	}
+}
+
+var _ admission.CustomDefaulter = &BaseWebhook{}
+
+// Default implements webhook.CustomDefaulter so a webhook will be registered for the type
+func (w *BaseWebhook) Default(ctx context.Context, obj runtime.Object) error {
+	job := w.FromObject(obj)
+	log := ctrl.LoggerFrom(ctx)
+	log.V(5).Info("Applying defaults", "job", klog.KObj(job.Object()))
+	ApplyDefaultForSuspend(job, w.ManageJobsWithoutQueueName)
+	return nil
+}
+
+var _ admission.CustomValidator = &BaseWebhook{}
+
+// ValidateCreate implements webhook.CustomValidator so a webhook will be registered for the type
+func (w *BaseWebhook) ValidateCreate(ctx context.Context, obj runtime.Object) (admission.Warnings, error) {
+	job := w.FromObject(obj)
+	log := ctrl.LoggerFrom(ctx)
+	log.V(5).Info("Validating create", "job", klog.KObj(job.Object()))
+	return nil, validateCreate(job).ToAggregate()
+}
+
+func validateCreate(job GenericJob) field.ErrorList {
+	return ValidateJobOnCreate(job)
+}
+
+// ValidateUpdate implements webhook.CustomValidator so a webhook will be registered for the type
+func (w *BaseWebhook) ValidateUpdate(ctx context.Context, oldObj, newObj runtime.Object) (admission.Warnings, error) {
+	oldJob := w.FromObject(oldObj)
+	newJob := w.FromObject(newObj)
+	log := ctrl.LoggerFrom(ctx).WithName("mxjob-webhook")
+	log.Info("Validating update", "job", klog.KObj(newJob.Object()))
+	allErrs := ValidateJobOnUpdate(oldJob, newJob)
+	return nil, allErrs.ToAggregate()
+}
+
+// ValidateDelete implements webhook.CustomValidator so a webhook will be registered for the type
+func (w *BaseWebhook) ValidateDelete(context.Context, runtime.Object) (admission.Warnings, error) {
+	return nil, nil
+}

pkg/controller/jobs/mpijob/mpijob_webhook_test.go → pkg/controller/jobframework/base_webhook_test.go

@@ -1,5 +1,5 @@
 /*
-Copyright 2023 The Kubernetes Authors.
+Copyright 2024 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,19 +14,26 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package mpijob
+package jobframework_test
 
 import (
 	"context"
 	"testing"
 
 	"github.com/google/go-cmp/cmp"
 	kfmpi "github.com/kubeflow/mpi-operator/pkg/apis/kubeflow/v2beta1"
+	"k8s.io/apimachinery/pkg/runtime"
 
+	"sigs.k8s.io/kueue/pkg/controller/jobframework"
+	"sigs.k8s.io/kueue/pkg/controller/jobs/mpijob"
 	testingutil "sigs.k8s.io/kueue/pkg/util/testingjobs/mpijob"
 )
 
-func TestDefault(t *testing.T) {
+func toMPIJob(o runtime.Object) jobframework.GenericJob {
+	return (*mpijob.MPIJob)(o.(*kfmpi.MPIJob))
+}
+
+func TestBaseWebhookDefault(t *testing.T) {
 	testcases := map[string]struct {
 		job                        *kfmpi.MPIJob
 		manageJobsWithoutQueueName bool
@@ -44,7 +51,10 @@ func TestDefault(t *testing.T) {
 	}
 	for name, tc := range testcases {
 		t.Run(name, func(t *testing.T) {
-			w := &MPIJobWebhook{manageJobsWithoutQueueName: tc.manageJobsWithoutQueueName}
+			w := &jobframework.BaseWebhook{
+				ManageJobsWithoutQueueName: tc.manageJobsWithoutQueueName,
+				FromObject:                 toMPIJob,
+			}
 			if err := w.Default(context.Background(), tc.job); err != nil {
 				t.Errorf("set defaults to a kubeflow/mpijob by a Defaulter")
 			}

pkg/controller/jobs/kubeflow/jobs/mxjob/mxjob_controller.go

@@ -36,8 +36,18 @@ import (
 var (
 	gvk           = kftraining.SchemeGroupVersion.WithKind(kftraining.MXJobKind)
 	FrameworkName = "kubeflow.org/mxjob"
+
+	SetupMXJobWebhook = jobframework.DefaultWebhookFactory(
+		NewJob(),
+		func(o runtime.Object) jobframework.GenericJob {
+			return fromObject(o)
+		},
+	)
 )
 
+// +kubebuilder:webhook:path=/mutate-kubeflow-org-v1-mxjob,mutating=true,failurePolicy=fail,sideEffects=None,groups=kubeflow.org,resources=mxjobs,verbs=create,versions=v1,name=mmxjob.kb.io,admissionReviewVersions=v1
+// +kubebuilder:webhook:path=/validate-kubeflow-org-v1-mxjob,mutating=false,failurePolicy=fail,sideEffects=None,groups=kubeflow.org,resources=mxjobs,verbs=create;update,versions=v1,name=vmxjob.kb.io,admissionReviewVersions=v1
+
 func init() {
 	utilruntime.Must(jobframework.RegisterIntegration(FrameworkName, jobframework.IntegrationCallbacks{
 		SetupIndexes:           SetupIndexes,

pkg/controller/jobs/kubeflow/jobs/paddlejob/paddlejob_controller.go

@@ -36,8 +36,18 @@ import (
 var (
 	gvk           = kftraining.SchemeGroupVersion.WithKind(kftraining.PaddleJobKind)
 	FrameworkName = "kubeflow.org/paddlejob"
+
+	SetupPaddleJobWebhook = jobframework.DefaultWebhookFactory(
+		NewJob(),
+		func(o runtime.Object) jobframework.GenericJob {
+			return fromObject(o)
+		},
+	)
 )
 
+// +kubebuilder:webhook:path=/mutate-kubeflow-org-v1-paddlejob,mutating=true,failurePolicy=fail,sideEffects=None,groups=kubeflow.org,resources=paddlejobs,verbs=create,versions=v1,name=mpaddlejob.kb.io,admissionReviewVersions=v1
+// +kubebuilder:webhook:path=/validate-kubeflow-org-v1-paddlejob,mutating=false,failurePolicy=fail,sideEffects=None,groups=kubeflow.org,resources=paddlejobs,verbs=create;update,versions=v1,name=vpaddlejob.kb.io,admissionReviewVersions=v1
+
 func init() {
 	utilruntime.Must(jobframework.RegisterIntegration(FrameworkName, jobframework.IntegrationCallbacks{
 		SetupIndexes:           SetupIndexes,