make sure the mtchannelbasedbroker uses trigger.spec.delivery

pkg/reconciler/broker/trigger/trigger.go

@@ -163,7 +163,13 @@ func (r *Reconciler) subscribeToBrokerChannel(ctx context.Context, b *eventingv1
 		Name:       b.Name,
 		Namespace:  b.Namespace,
 	}
-	expected := resources.NewSubscription(t, brokerTrigger, brokerObjRef, uri, b.Spec.Delivery)
+
+	delivery := t.Spec.Delivery
+	if delivery == nil {
+		delivery = b.Spec.Delivery
+	}
+
+	expected := resources.NewSubscription(t, brokerTrigger, brokerObjRef, uri, delivery)
 
 	sub, err := r.subscriptionLister.Subscriptions(t.Namespace).Get(expected.Name)
 	// If the resource doesn't exist, we'll create it.

pkg/reconciler/broker/trigger/trigger_test.go

@@ -22,14 +22,12 @@ import (
 	"testing"
 
 	cloudevents "github.com/cloudevents/sdk-go/v2"
-
 	corev1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/types"
 	"k8s.io/client-go/kubernetes/scheme"
-
 	clientgotesting "k8s.io/client-go/testing"
 	eventingduckv1 "knative.dev/eventing/pkg/apis/duck/v1"
 	v1 "knative.dev/eventing/pkg/apis/duck/v1"
@@ -53,6 +51,7 @@ import (
 	fakedynamicclient "knative.dev/pkg/injection/clients/dynamicclient/fake"
 	logtesting "knative.dev/pkg/logging/testing"
 	"knative.dev/pkg/network"
+	"knative.dev/pkg/ptr"
 	"knative.dev/pkg/resolver"
 
 	_ "knative.dev/eventing/pkg/client/injection/informers/eventing/v1/trigger/fake"
@@ -246,6 +245,70 @@ func TestReconcile(t *testing.T) {
 					WithTriggerSubscribedUnknown("SubscriptionNotConfigured", "Subscription has not yet been reconciled."),
 					WithTriggerStatusSubscriberURI(subscriberURI)),
 			}},
+		}, {
+			Name: "Creates subscription with retry from trigger",
+			Key:  testKey,
+			Objects: []runtime.Object{
+				NewBroker(brokerName, testNS,
+					WithBrokerClass(eventing.MTChannelBrokerClassValue),
+					WithBrokerConfig(config()),
+					WithInitBrokerConditions,
+					WithBrokerReady,
+					WithChannelAddressAnnotation(triggerChannelURL),
+					WithChannelAPIVersionAnnotation(triggerChannelAPIVersion),
+					WithChannelKindAnnotation(triggerChannelKind),
+					WithChannelNameAnnotation(triggerChannelName)),
+				NewTrigger(triggerName, testNS, brokerName,
+					WithTriggerUID(triggerUID),
+					WithTriggerSubscriberURI(subscriberURI),
+					WithTriggerRetry(5, nil, nil)),
+			},
+			WantCreates: []runtime.Object{
+				resources.NewSubscription(makeTrigger(testNS), createTriggerChannelRef(), makeBrokerRef(), makeServiceURI(), makeDelivery(nil, "", ptr.Int32(5), nil, nil)),
+			},
+			WantStatusUpdates: []clientgotesting.UpdateActionImpl{{
+				Object: NewTrigger(triggerName, testNS, brokerName,
+					WithTriggerUID(triggerUID),
+					WithTriggerSubscriberURI(subscriberURI),
+					WithTriggerRetry(5, nil, nil),
+					WithTriggerBrokerReady(),
+					WithTriggerDependencyReady(),
+					WithTriggerSubscriberResolvedSucceeded(),
+					WithTriggerSubscribedUnknown("SubscriptionNotConfigured", "Subscription has not yet been reconciled."),
+					WithTriggerStatusSubscriberURI(subscriberURI)),
+			}},
+		}, {
+			Name: "Creates subscription with dlq from trigger",
+			Key:  testKey,
+			Objects: []runtime.Object{
+				NewBroker(brokerName, testNS,
+					WithBrokerClass(eventing.MTChannelBrokerClassValue),
+					WithBrokerConfig(config()),
+					WithInitBrokerConditions,
+					WithBrokerReady,
+					WithChannelAddressAnnotation(triggerChannelURL),
+					WithChannelAPIVersionAnnotation(triggerChannelAPIVersion),
+					WithChannelKindAnnotation(triggerChannelKind),
+					WithChannelNameAnnotation(triggerChannelName)),
+				NewTrigger(triggerName, testNS, brokerName,
+					WithTriggerUID(triggerUID),
+					WithTriggerSubscriberURI(subscriberURI),
+					WithTriggerDeadLeaderSink(nil, "http://example.com")),
+			},
+			WantCreates: []runtime.Object{
+				resources.NewSubscription(makeTrigger(testNS), createTriggerChannelRef(), makeBrokerRef(), makeServiceURI(), makeDelivery(nil, "http://example.com", nil, nil, nil)),
+			},
+			WantStatusUpdates: []clientgotesting.UpdateActionImpl{{
+				Object: NewTrigger(triggerName, testNS, brokerName,
+					WithTriggerUID(triggerUID),
+					WithTriggerSubscriberURI(subscriberURI),
+					WithTriggerDeadLeaderSink(nil, "http://example.com"),
+					WithTriggerBrokerReady(),
+					WithTriggerDependencyReady(),
+					WithTriggerSubscriberResolvedSucceeded(),
+					WithTriggerSubscribedUnknown("SubscriptionNotConfigured", "Subscription has not yet been reconciled."),
+					WithTriggerStatusSubscriberURI(subscriberURI)),
+			}},
 		}, {
 			Name: "Subscription Create fails",
 			Key:  testKey,
@@ -951,10 +1014,30 @@ func makeBrokerRef() *corev1.ObjectReference {
 		Name:       brokerName,
 	}
 }
+
 func makeEmptyDelivery() *eventingduckv1.DeliverySpec {
 	return nil
 }
 
+func makeDelivery(ref *duckv1.KReference, uri string, retry *int32, backoffPolicy *v1.BackoffPolicyType, backoffDelay *string) *eventingduckv1.DeliverySpec {
+	ds := &v1.DeliverySpec{
+		Retry:         retry,
+		BackoffPolicy: backoffPolicy,
+		BackoffDelay:  backoffDelay,
+	}
+	if ref != nil || uri != "" {
+		var u *apis.URL
+		if uri != "" {
+			u, _ = apis.ParseURL(uri)
+		}
+		ds.DeadLetterSink = &duckv1.Destination{
+			Ref: ref,
+			URI: u,
+		}
+	}
+	return ds
+}
+
 func allBrokerObjectsReadyPlus(objs ...runtime.Object) []runtime.Object {
 	brokerObjs := []runtime.Object{
 		NewBroker(brokerName, testNS,

pkg/reconciler/testing/v1/trigger.go

@@ -23,9 +23,11 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/types"
 
+	eventingv1 "knative.dev/eventing/pkg/apis/duck/v1"
 	v1 "knative.dev/eventing/pkg/apis/eventing/v1"
 	"knative.dev/pkg/apis"
 	duckv1 "knative.dev/pkg/apis/duck/v1"
+	"knative.dev/pkg/ptr"
 )
 
 // TriggerOption enables further configuration of a Trigger.
@@ -56,6 +58,33 @@ func WithTriggerSubscriberURI(rawurl string) TriggerOption {
 	}
 }
 
+func WithTriggerDeadLeaderSink(ref *duckv1.KReference, uri string) TriggerOption {
+	return func(t *v1.Trigger) {
+		if t.Spec.Delivery == nil {
+			t.Spec.Delivery = new(eventingv1.DeliverySpec)
+		}
+		var u *apis.URL
+		if uri != "" {
+			u, _ = apis.ParseURL(uri)
+		}
+		t.Spec.Delivery.DeadLetterSink = &duckv1.Destination{
+			Ref: ref,
+			URI: u,
+		}
+	}
+}
+
+func WithTriggerRetry(count int32, backoffPolicy *eventingv1.BackoffPolicyType, backoffDelay *string) TriggerOption {
+	return func(t *v1.Trigger) {
+		if t.Spec.Delivery == nil {
+			t.Spec.Delivery = new(eventingv1.DeliverySpec)
+		}
+		t.Spec.Delivery.Retry = ptr.Int32(count)
+		t.Spec.Delivery.BackoffPolicy = backoffPolicy
+		t.Spec.Delivery.BackoffDelay = backoffDelay
+	}
+}
+
 func WithTriggerSubscriberRef(gvk metav1.GroupVersionKind, name, namespace string) TriggerOption {
 	return func(t *v1.Trigger) {
 		t.Spec.Subscriber = duckv1.Destination{