Support DelayedCloseTimeout

api/v1alpha1/timeout_types.go

@@ -5,7 +5,9 @@
 
 package v1alpha1
 
-import gwapiv1 "sigs.k8s.io/gateway-api/apis/v1"
+import (
+	gwapiv1 "sigs.k8s.io/gateway-api/apis/v1"
+)
 
 // Timeout defines configuration for timeouts related to connections.
 type Timeout struct {
@@ -81,4 +83,13 @@
 	//
 	// +optional
 	IdleTimeout *gwapiv1.Duration `json:"idleTimeout,omitempty"`
+
+	// The delayed close timeout is for downstream connections managed by the HTTP connection manager.
+	// It is defined as a grace period after connection close processing has been locally initiated
+	// during which Envoy will wait for the peer to close (i.e., a TCP FIN/RST is received by Envoy
+	// from the downstream connection) prior to Envoy closing the socket associated with that
+	// connection.
+	//The default timeout is 1000 ms if this option is not specified.
+	// +optional
+	DelayedCloseTimeout *gwapiv1.Duration `json:"delayedCloseTimeout,omitempty" yaml:"delayedCloseTimeout,omitempty"`
 }

internal/gatewayapi/clienttrafficpolicy.go

@@ -603,6 +603,15 @@
 				Duration: d,
 			}
 		}
+		if clientTimeout.HTTP.DelayedCloseTimeout != nil {
+			d, err := time.ParseDuration(string(*clientTimeout.HTTP.DelayedCloseTimeout))
+			if err != nil {
+				return nil, fmt.Errorf("invalid HTTP DelayedCloseTimeout value %s", *clientTimeout.HTTP.DelayedCloseTimeout)
+			}
+			irHTTPTimeout.DelayedCloseTimeout = &metav1.Duration{
+				Duration: d,
+			}
+		}
 		irClientTimeout.HTTP = irHTTPTimeout
 	}
 

internal/ir/xds.go

@@ -642,6 +642,12 @@ type HTTPClientTimeout struct {
 	RequestReceivedTimeout *metav1.Duration `json:"requestReceivedTimeout,omitempty" yaml:"requestReceivedTimeout,omitempty"`
 	// IdleTimeout for an HTTP connection. Idle time is defined as a period in which there are no active requests in the connection.
 	IdleTimeout *metav1.Duration `json:"idleTimeout,omitempty" yaml:"idleTimeout,omitempty"`
+	// The delayed close timeout is for downstream connections managed by the HTTP connection manager.
+	// It is defined as a grace period after connection close processing has been locally initiated
+	// during which Envoy will wait for the peer to close (i.e., a TCP FIN/RST is received by Envoy
+	// from the downstream connection) prior to Envoy closing the socket associated with that
+	// connection.
+	DelayedCloseTimeout *metav1.Duration `json:"delayedCloseTimeout,omitempty" yaml:"delayedCloseTimeout,omitempty"`
 }
 
 // HTTPRoute holds the route information associated with the HTTP Route

internal/xds/translator/listener.go

@@ -315,10 +315,12 @@
 		if irListener.Timeout.HTTP.RequestReceivedTimeout != nil {
 			mgr.RequestTimeout = durationpb.New(irListener.Timeout.HTTP.RequestReceivedTimeout.Duration)
 		}
-
 		if irListener.Timeout.HTTP.IdleTimeout != nil {
 			mgr.CommonHttpProtocolOptions.IdleTimeout = durationpb.New(irListener.Timeout.HTTP.IdleTimeout.Duration)
 		}
+		if irListener.Timeout.HTTP.DelayedCloseTimeout != nil {
+			mgr.DelayedCloseTimeout = durationpb.New(irListener.Timeout.HTTP.DelayedCloseTimeout.Duration)
+		}
 	}
 
 	// Add the proxy protocol filter if needed