diff --git a/spring-cloud-kubernetes-loadbalancer/src/main/java/org/springframework/cloud/kubernetes/loadbalancer/KubernetesServiceInstance.java b/spring-cloud-kubernetes-loadbalancer/src/main/java/org/springframework/cloud/kubernetes/loadbalancer/KubernetesServiceInstance.java
index dcf71944..f1315277 100644
--- a/spring-cloud-kubernetes-loadbalancer/src/main/java/org/springframework/cloud/kubernetes/loadbalancer/KubernetesServiceInstance.java
+++ b/spring-cloud-kubernetes-loadbalancer/src/main/java/org/springframework/cloud/kubernetes/loadbalancer/KubernetesServiceInstance.java
@@ -56,6 +56,11 @@ public class KubernetesServiceInstance implements ServiceInstance {
 		return serviceId;
 	}
 
+	@Override
+	public String getInstanceId() {
+		return instanceId;
+	}
+
 	@Override
 	public String getHost() {
 		return host;
diff --git a/spring-cloud-kubernetes-loadbalancer/src/test/java/org/springframework/cloud/kubernetes/loadbalancer/KubernetesServiceInstanceMapperTest.java b/spring-cloud-kubernetes-loadbalancer/src/test/java/org/springframework/cloud/kubernetes/loadbalancer/KubernetesServiceInstanceMapperTest.java
new file mode 100644
index 00000000..a696fcfa
--- /dev/null
+++ b/spring-cloud-kubernetes-loadbalancer/src/test/java/org/springframework/cloud/kubernetes/loadbalancer/KubernetesServiceInstanceMapperTest.java
@@ -0,0 +1,128 @@
+/*
+ * Copyright 2013-2020 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.kubernetes.loadbalancer;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import io.fabric8.kubernetes.api.model.Service;
+import io.fabric8.kubernetes.api.model.ServiceBuilder;
+import io.fabric8.kubernetes.api.model.ServicePort;
+import io.fabric8.kubernetes.api.model.ServicePortBuilder;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import org.springframework.cloud.kubernetes.discovery.KubernetesDiscoveryProperties;
+
+public class KubernetesServiceInstanceMapperTest {
+
+	@Test
+	void testMapperSimple() {
+		KubernetesLoadBalancerProperties properties = new KubernetesLoadBalancerProperties();
+		KubernetesDiscoveryProperties discoveryProperties =
+			new KubernetesDiscoveryProperties();
+		Service service = buildService("test", "abc", 8080, null, new HashMap<>());
+		KubernetesServiceInstance instance =
+			new KubernetesServiceInstanceMapper(properties, discoveryProperties).map(service);
+		Assertions.assertNotNull(instance);
+		Assertions.assertEquals("test", instance.getServiceId());
+		Assertions.assertEquals("abc", instance.getInstanceId());
+	}
+
+	@Test
+	void testMapperMultiplePorts() {
+		KubernetesLoadBalancerProperties properties = new KubernetesLoadBalancerProperties();
+		properties.setPortName("http");
+		KubernetesDiscoveryProperties discoveryProperties =
+			new KubernetesDiscoveryProperties();
+		List<ServicePort> ports = new ArrayList<>();
+		ports.add(new ServicePortBuilder()
+			.withPort(8080)
+			.withName("web")
+			.build());
+		ports.add(new ServicePortBuilder()
+			.withPort(9000)
+			.withName("http")
+			.build());
+		Service service = buildService("test", "abc", ports, new HashMap<>());
+		KubernetesServiceInstance instance =
+			new KubernetesServiceInstanceMapper(properties, discoveryProperties).map(service);
+		Assertions.assertNotNull(instance);
+		Assertions.assertEquals("test", instance.getServiceId());
+		Assertions.assertEquals("abc", instance.getInstanceId());
+		Assertions.assertEquals(9000, instance.getPort());
+	}
+
+	@Test
+	void testMapperSecure() {
+		KubernetesLoadBalancerProperties properties = new KubernetesLoadBalancerProperties();
+		KubernetesDiscoveryProperties discoveryProperties =
+			new KubernetesDiscoveryProperties();
+		Service service = buildService("test", "abc", 443, null, new HashMap<>());
+		KubernetesServiceInstance instance =
+			new KubernetesServiceInstanceMapper(properties, discoveryProperties).map(service);
+		Assertions.assertNotNull(instance);
+		Assertions.assertEquals("test", instance.getServiceId());
+		Assertions.assertEquals("abc", instance.getInstanceId());
+		Assertions.assertTrue(instance.isSecure());
+	}
+
+	@Test
+	void testMapperSecureWithLabels() {
+		KubernetesLoadBalancerProperties properties = new KubernetesLoadBalancerProperties();
+		KubernetesDiscoveryProperties discoveryProperties =
+			new KubernetesDiscoveryProperties();
+		HashMap<String, String> labels = new HashMap<>();
+		labels.put("secured", "true");
+		labels.put("label1", "123");
+		Service service = buildService("test", "abc", 8080, null, labels);
+		KubernetesServiceInstance instance =
+			new KubernetesServiceInstanceMapper(properties, discoveryProperties).map(service);
+		Assertions.assertNotNull(instance);
+		Assertions.assertEquals("test", instance.getServiceId());
+		Assertions.assertEquals("abc", instance.getInstanceId());
+		Assertions.assertTrue(instance.isSecure());
+		Assertions.assertEquals(2, instance.getMetadata().keySet().size());
+	}
+
+
+	private Service buildService(String name, String uid, List<ServicePort> ports, Map<String, String> labels) {
+		return new ServiceBuilder()
+			.withNewMetadata()
+				.withName(name)
+				.withNewUid(uid)
+				.addToLabels(labels)
+				.addToAnnotations(new HashMap<>(0))
+			.endMetadata()
+			.withNewSpec()
+				.addAllToPorts(ports)
+			.endSpec()
+			.build();
+	}
+
+	private Service buildService(String name, String uid, int port, String portName, Map<String, String> labels) {
+		ServicePort servicePort = new ServicePortBuilder()
+			.withPort(port)
+			.withName(portName)
+			.build();
+		return buildService(name, uid, Collections.singletonList(servicePort), labels);
+	}
+
+}