Generate kresource duck type codegen (#2754)

Signed-off-by: Pierangelo Di Pilato <pierdipi@redhat.com>

apis/duck/v1/kresource_type.go

@@ -23,6 +23,7 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"
+
 	"knative.dev/pkg/apis/duck/ducktypes"
 
 	"knative.dev/pkg/apis"
@@ -41,6 +42,7 @@ type KRShaped interface {
 // Asserts KResource conformance with KRShaped
 var _ KRShaped = (*KResource)(nil)
 
+// +genduck
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
 
 // KResource is a skeleton type wrapping Conditions in the manner we expect
@@ -54,6 +56,11 @@ type KResource struct {
 	Status Status `json:"status"`
 }
 
+// GetFullType implements duck.Implementable
+func (*KResource) GetFullType() ducktypes.Populatable {
+	return &KResource{}
+}
+
 // Populate implements duck.Populatable
 func (t *KResource) Populate() {
 	t.Status.ObservedGeneration = 42

client/injection/ducks/duck/v1/kresource/fake/fake.go

@@ -0,0 +1,30 @@
+/*
+Copyright 2022 The Knative 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.
+*/
+
+// Code generated by injection-gen. DO NOT EDIT.
+
+package fake
+
+import (
+	kresource "knative.dev/pkg/client/injection/ducks/duck/v1/kresource"
+	injection "knative.dev/pkg/injection"
+)
+
+var Get = kresource.Get
+
+func init() {
+	injection.Fake.RegisterDuck(kresource.WithDuck)
+}

client/injection/ducks/duck/v1/kresource/kresource.go

@@ -0,0 +1,60 @@
+/*
+Copyright 2022 The Knative 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.
+*/
+
+// Code generated by injection-gen. DO NOT EDIT.
+
+package kresource
+
+import (
+	context "context"
+
+	duck "knative.dev/pkg/apis/duck"
+	v1 "knative.dev/pkg/apis/duck/v1"
+	controller "knative.dev/pkg/controller"
+	injection "knative.dev/pkg/injection"
+	dynamicclient "knative.dev/pkg/injection/clients/dynamicclient"
+	logging "knative.dev/pkg/logging"
+)
+
+func init() {
+	injection.Default.RegisterDuck(WithDuck)
+}
+
+// Key is used for associating the Informer inside the context.Context.
+type Key struct{}
+
+func WithDuck(ctx context.Context) context.Context {
+	dc := dynamicclient.Get(ctx)
+	dif := &duck.CachedInformerFactory{
+		Delegate: &duck.TypedInformerFactory{
+			Client:       dc,
+			Type:         (&v1.KResource{}).GetFullType(),
+			ResyncPeriod: controller.GetResyncPeriod(ctx),
+			StopChannel:  ctx.Done(),
+		},
+	}
+	return context.WithValue(ctx, Key{}, dif)
+}
+
+// Get extracts the typed informer from the context.
+func Get(ctx context.Context) duck.InformerFactory {
+	untyped := ctx.Value(Key{})
+	if untyped == nil {
+		logging.FromContext(ctx).Panic(
+			"Unable to fetch knative.dev/pkg/apis/duck.InformerFactory from context.")
+	}
+	return untyped.(duck.InformerFactory)
+}