add health check rule from VPC for preserve IP

Author: kishorj

pkg/service/model_build_target_group.go

@@ -370,7 +370,7 @@ func (t *defaultModelBuildTask) buildTargetGroupBindingNetworking(ctx context.Co
 			},
 		},
 	}
-	if tgProtocol == corev1.ProtocolUDP || (hcPort.String() != healthCheckPortTrafficPort && hcPort.IntValue() != tgPort.IntValue()) {
+	if preserveClientIP || tgProtocol == corev1.ProtocolUDP || (hcPort.String() != healthCheckPortTrafficPort && hcPort.IntValue() != tgPort.IntValue()) {
 		var healthCheckPorts []elbv2api.NetworkingPort
 		networkingProtocolTCP := elbv2api.NetworkingProtocolTCP
 		networkingHealthCheckPort := hcPort

pkg/service/model_build_target_group_test.go

@@ -519,6 +519,26 @@ func Test_defaultModelBuilderTask_buildTargetGroupBindingNetworking(t *testing.T
 							},
 						},
 					},
+					{
+						From: []elbv2.NetworkingPeer{
+							{
+								IPBlock: &elbv2api.IPBlock{
+									CIDR: "172.16.0.0/19",
+								},
+							},
+							{
+								IPBlock: &elbv2api.IPBlock{
+									CIDR: "1.2.3.4/19",
+								},
+							},
+						},
+						Ports: []elbv2api.NetworkingPort{
+							{
+								Protocol: &networkingProtocolTCP,
+								Port:     &port80,
+							},
+						},
+					},
 				},
 			},
 		},
@@ -645,6 +665,72 @@ func Test_defaultModelBuilderTask_buildTargetGroupBindingNetworking(t *testing.T
 				},
 			},
 		},
+		{
+			name: "tcp-service with preserve Client IP, hc is traffic port, source range specified ",
+			svc: &corev1.Service{
+				Spec: corev1.ServiceSpec{
+					LoadBalancerSourceRanges: []string{"10.0.0.0/16", "1.2.3.4/24"},
+				},
+			},
+			tgPort: port80,
+			hcPort: port80,
+			subnets: []*ec2.Subnet{
+				{
+					CidrBlock: aws.String("172.16.0.0/19"),
+					SubnetId:  aws.String("sn-1"),
+				},
+				{
+					CidrBlock: aws.String("1.2.3.4/19"),
+					SubnetId:  aws.String("sn-2"),
+				},
+			},
+			tgProtocol:       corev1.ProtocolTCP,
+			preserveClientIP: true,
+			want: &elbv2.TargetGroupBindingNetworking{
+				Ingress: []elbv2.NetworkingIngressRule{
+					{
+						From: []elbv2.NetworkingPeer{
+							{
+								IPBlock: &elbv2api.IPBlock{
+									CIDR: "10.0.0.0/16",
+								},
+							},
+							{
+								IPBlock: &elbv2api.IPBlock{
+									CIDR: "1.2.3.4/24",
+								},
+							},
+						},
+						Ports: []elbv2api.NetworkingPort{
+							{
+								Protocol: &networkingProtocolTCP,
+								Port:     &port80,
+							},
+						},
+					},
+					{
+						From: []elbv2.NetworkingPeer{
+							{
+								IPBlock: &elbv2api.IPBlock{
+									CIDR: "172.16.0.0/19",
+								},
+							},
+							{
+								IPBlock: &elbv2api.IPBlock{
+									CIDR: "1.2.3.4/19",
+								},
+							},
+						},
+						Ports: []elbv2api.NetworkingPort{
+							{
+								Protocol: &networkingProtocolTCP,
+								Port:     &port80,
+							},
+						},
+					},
+				},
+			},
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {

test/framework/utils/poll.go

@@ -8,5 +8,5 @@ const (
 	PollIntervalLong   = 30 * time.Second
 	PollTimeoutShort   = 1 * time.Minute
 	PollTimeoutMedium  = 5 * time.Minute
-	PollTimeoutLong    = 10 * time.Minute
+	PollTimeoutLong    = 15 * time.Minute
 )