RequestReply: Added feature flag for default timeout

pkg/apis/eventing/v1alpha1/requestreply_defaults.go

@@ -20,6 +20,7 @@ import (
 	"context"
 
 	"k8s.io/utils/ptr"
+	"knative.dev/eventing/pkg/apis/feature"
 	"knative.dev/pkg/apis"
 )
 
@@ -30,7 +31,7 @@ func (rr *RequestReply) SetDefaults(ctx context.Context) {
 
 func (rrs *RequestReplySpec) SetDefaults(ctx context.Context) {
 	if rrs.Timeout == nil || *rrs.Timeout == "" {
-		rrs.Timeout = ptr.To("30s")
+		rrs.Timeout = ptr.To(feature.FromContextOrDefaults(ctx).RequestReplyDefaultTimeout())
 	}
 
 	if rrs.CorrelationAttribute == "" {

pkg/apis/feature/features.go

@@ -67,6 +67,10 @@ const (
 
 	// DefaultOIDCDiscoveryURL is the default OIDC Discovery URL used in most Kubernetes clusters.
 	DefaultOIDCDiscoveryBaseURL Flag = "https://kubernetes.default.svc"
+
+	// DefaultRequestReplyTimeout is a value for RequestReplyDefaultTimeout that indicates to timeout
+	// a RequestReply resource after 30 seconds by default.
+	DefaultRequestReplyTimeout Flag = "30s"
 )
 
 // Flags is a map containing all the enabled/disabled flags for the experimental features.
@@ -75,16 +79,17 @@ type Flags map[string]Flag
 
 func newDefaults() Flags {
 	return map[string]Flag{
-		KReferenceGroup:          Disabled,
-		DeliveryRetryAfter:       Disabled,
-		DeliveryTimeout:          Enabled,
-		KReferenceMapping:        Disabled,
-		TransportEncryption:      Disabled,
-		OIDCAuthentication:       Disabled,
-		EvenTypeAutoCreate:       Disabled,
-		NewAPIServerFilters:      Disabled,
-		AuthorizationDefaultMode: AuthorizationAllowSameNamespace,
-		OIDCDiscoveryBaseURL:     DefaultOIDCDiscoveryBaseURL,
+		KReferenceGroup:            Disabled,
+		DeliveryRetryAfter:         Disabled,
+		DeliveryTimeout:            Enabled,
+		KReferenceMapping:          Disabled,
+		TransportEncryption:        Disabled,
+		OIDCAuthentication:         Disabled,
+		EvenTypeAutoCreate:         Disabled,
+		NewAPIServerFilters:        Disabled,
+		AuthorizationDefaultMode:   AuthorizationAllowSameNamespace,
+		OIDCDiscoveryBaseURL:       DefaultOIDCDiscoveryBaseURL,
+		RequestReplyDefaultTimeout: DefaultRequestReplyTimeout,
 	}
 }
 
@@ -151,6 +156,19 @@ func (e Flags) OIDCDiscoveryBaseURL() string {
 	return string(discoveryUrl)
 }
 
+func (e Flags) RequestReplyDefaultTimeout() string {
+	if e == nil {
+		return string(DefaultRequestReplyTimeout)
+	}
+
+	timeout, ok := e[RequestReplyDefaultTimeout]
+	if !ok {
+		return string(DefaultRequestReplyTimeout)
+	}
+
+	return string(timeout) // TODO, check this, check this whole function really
+}
+
 func (e Flags) String() string {
 	return fmt.Sprintf("%+v", map[string]Flag(e))
 }

pkg/apis/feature/flag_names.go

@@ -17,16 +17,18 @@ limitations under the License.
 package feature
 
 const (
-	KReferenceGroup          = "kreference-group"
-	DeliveryRetryAfter       = "delivery-retryafter"
-	DeliveryTimeout          = "delivery-timeout"
-	KReferenceMapping        = "kreference-mapping"
-	TransportEncryption      = "transport-encryption"
-	EvenTypeAutoCreate       = "eventtype-auto-create"
-	OIDCAuthentication       = "authentication-oidc"
-	NodeSelectorLabel        = "apiserversources-nodeselector-"
-	CrossNamespaceEventLinks = "cross-namespace-event-links"
-	NewAPIServerFilters      = "new-apiserversource-filters"
-	AuthorizationDefaultMode = "default-authorization-mode"
-	OIDCDiscoveryBaseURL     = "oidc-discovery-base-url"
+	KReferenceGroup            = "kreference-group"
+	DeliveryRetryAfter         = "delivery-retryafter"
+	DeliveryTimeout            = "delivery-timeout"
+	KReferenceMapping          = "kreference-mapping"
+	TransportEncryption        = "transport-encryption"
+	EvenTypeAutoCreate         = "eventtype-auto-create"
+	OIDCAuthentication         = "authentication-oidc"
+	NodeSelectorLabel          = "apiserversources-nodeselector-"
+	CrossNamespaceEventLinks   = "cross-namespace-event-links"
+	NewAPIServerFilters        = "new-apiserversource-filters"
+	AuthorizationDefaultMode   = "default-authorization-mode"
+	OIDCDiscoveryBaseURL       = "oidc-discovery-base-url"
+	RequestReplyDefaultTimeout = "requestreply-default-timeout" // TODO check this
+
 )