gatewayapi: add support for timeouts

Signed-off-by: Sanskar Jaiswal <jaiswalsanskar078@gmail.com>

pkg/router/gateway_api.go

@@ -105,6 +105,12 @@ func (gwr *GatewayAPIRouter) Reconcile(canary *flaggerv1.Canary) error {
 			},
 		},
 	}
+	if canary.Spec.Service.Timeout != "" {
+		timeout := v1.Duration(canary.Spec.Service.Timeout)
+		httpRouteSpec.Rules[0].Timeouts = &v1.HTTPRouteTimeouts{
+			Request: &timeout,
+		}
+	}
 
 	// A/B testing
 	if len(canary.GetAnalysis().Match) > 0 {
@@ -120,6 +126,12 @@ func (gwr *GatewayAPIRouter) Reconcile(canary *flaggerv1.Canary) error {
 				},
 			},
 		})
+		if canary.Spec.Service.Timeout != "" {
+			timeout := v1.Duration(canary.Spec.Service.Timeout)
+			httpRouteSpec.Rules[1].Timeouts = &v1.HTTPRouteTimeouts{
+				Request: &timeout,
+			}
+		}
 	}
 
 	httpRoute, err := gwr.gatewayAPIClient.GatewayapiV1().HTTPRoutes(hrNamespace).Get(
@@ -317,6 +329,11 @@ func (gwr *GatewayAPIRouter) SetRoutes(
 			},
 		})
 	}
+	var timeout v1.Duration
+	if canary.Spec.Service.Timeout != "" {
+		timeout = v1.Duration(canary.Spec.Service.Timeout)
+	}
+
 	weightedRouteRule := &v1.HTTPRouteRule{
 		Matches: matches,
 		Filters: gwr.makeFilters(canary),
@@ -329,6 +346,12 @@ func (gwr *GatewayAPIRouter) SetRoutes(
 			},
 		},
 	}
+	if canary.Spec.Service.Timeout != "" {
+		timeout := v1.Duration(canary.Spec.Service.Timeout)
+		weightedRouteRule.Timeouts = &v1.HTTPRouteTimeouts{
+			Request: &timeout,
+		}
+	}
 
 	// If B/G mirroring is enabled, then add a route filter which mirrors the traffic
 	// to the canary service.
@@ -378,7 +401,17 @@ func (gwr *GatewayAPIRouter) SetRoutes(
 					BackendRef: gwr.makeBackendRef(primarySvcName, initialPrimaryWeight, canary.Spec.Service.Port),
 				},
 			},
+			Timeouts: &v1.HTTPRouteTimeouts{
+				Request: &timeout,
+			},
 		})
+
+		if canary.Spec.Service.Timeout != "" {
+			timeout := v1.Duration(canary.Spec.Service.Timeout)
+			hrClone.Spec.Rules[1].Timeouts = &v1.HTTPRouteTimeouts{
+				Request: &timeout,
+			}
+		}
 	}
 
 	_, err = gwr.gatewayAPIClient.GatewayapiV1().HTTPRoutes(hrNamespace).Update(context.TODO(), hrClone, metav1.UpdateOptions{})

pkg/router/gateway_api_test.go

@@ -52,6 +52,9 @@ func TestGatewayAPIRouter_Reconcile(t *testing.T) {
 	require.Equal(t, len(backendRefs), 2)
 	assert.Equal(t, int32(100), *backendRefs[0].Weight)
 	assert.Equal(t, int32(0), *backendRefs[1].Weight)
+
+	timeout := routeRules[0].Timeouts
+	assert.Equal(t, string(*timeout.Request), canary.Spec.Service.Timeout)
 }
 
 func TestGatewayAPIRouter_Routes(t *testing.T) {

pkg/router/router_test.go

@@ -554,6 +554,7 @@ func newTestGatewayAPICanary() *flaggerv1.Canary {
 						Name: "podinfo",
 					},
 				},
+				Timeout: "10s",
 			},
 			Analysis: &flaggerv1.CanaryAnalysis{
 				Threshold:  10,