Fix Eureka Service Discovery

apollo-metaserver/src/main/java/com/ctrip/apollo/metaserver/MetaServerApplication.java

 package com.ctrip.apollo.metaserver;
 
-import java.util.List;
-
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.builder.SpringApplicationBuilder;
 import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
 import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;
-import org.springframework.context.ConfigurableApplicationContext;
-
-import com.ctrip.apollo.metaserver.service.DiscoveryService;
-import com.netflix.appinfo.InstanceInfo;
 
 @SpringBootApplication
 @EnableEurekaServer
@@ -17,10 +11,6 @@ import com.netflix.appinfo.InstanceInfo;
 public class MetaServerApplication {
 
   public static void main(String[] args) {
-    ConfigurableApplicationContext context =
-        new SpringApplicationBuilder(MetaServerApplication.class).web(true).run(args);
-    DiscoveryService discoveryService = context.getBean(DiscoveryService.class);
-    List<InstanceInfo> instances = discoveryService.getMetaServerServiceInstance();
-    System.out.println(instances);
+    new SpringApplicationBuilder(MetaServerApplication.class).web(true).run(args);
   }
 }

apollo-metaserver/src/main/java/com/ctrip/apollo/metaserver/service/DiscoveryService.java

 package com.ctrip.apollo.metaserver.service;
 
+import java.util.ArrayList;
 import java.util.List;
 
 import org.springframework.beans.factory.annotation.Autowired;
@@ -18,12 +19,12 @@ public class DiscoveryService {
 
   public List<InstanceInfo> getConfigServerServiceInstance() {
     Application application = eurekaClient.getApplication(ServiceIdConsts.APOLLO_CONFIGSERVER);
-    return application.getInstances();
+    return application != null ? application.getInstances() : new ArrayList<>();
   }
 
   public List<InstanceInfo> getMetaServerServiceInstance() {
     Application application = eurekaClient.getApplication(ServiceIdConsts.APOLLO_METASERVER);
-    return application.getInstances();
+    return application != null ? application.getInstances() : new ArrayList<>();
   }
 
 }

apollo-metaserver/src/main/resources/bootstrap.yml

@@ -4,10 +4,8 @@ server:
 eureka:
   instance:
     hostname: localhost
-    preferIpAddress: true
   client:
-    fetchRegistry: false
     serviceUrl:
       defaultZone: http://${eureka.instance.hostname}:${server.port}/eureka/
     healthcheck:
-      enabled: true
\ No newline at end of file
+      enabled: true

apollo-metaserver/src/test/java/com/ctrip/apollo/metaserver/controller/DiscoveryControllerTest.java

+package com.ctrip.apollo.metaserver.controller;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.test.TestRestTemplate;
+import org.springframework.boot.test.WebIntegrationTest;
+import org.springframework.web.client.RestTemplate;
+
+import com.ctrip.apollo.core.ServiceIdConsts;
+import com.ctrip.apollo.metaserver.AbstractMetaServerTest;
+import com.netflix.appinfo.InstanceInfo;
+
+
+@WebIntegrationTest
+public class DiscoveryControllerTest extends AbstractMetaServerTest {
+
+  RestTemplate restTemplate = new TestRestTemplate();
+
+  @Value("${local.server.port}")
+  String serverPort;
+
+  @Test
+  public void testGetMetaServerServices() throws InterruptedException, URISyntaxException {
+    // Wait Eureka Client to fresh meta
+    Thread.sleep(5000);
+
+    URI uri = new URI("http://localhost:" + serverPort + "/services/meta");
+    InstanceInfo[] serviceInstances = restTemplate.getForObject(uri, InstanceInfo[].class);
+    Assert.assertEquals(1, serviceInstances.length);
+    Assert.assertEquals(ServiceIdConsts.APOLLO_METASERVER,
+        serviceInstances[0].getAppName().toLowerCase());
+  }
+}

apollo-metaserver/src/test/java/com/ctrip/apollo/metaserver/service/DiscoveryServiceTest.java

-package com.ctrip.apollo.metaserver.service;
-
-import java.util.List;
-
-import org.junit.Test;
-import org.springframework.beans.factory.annotation.Autowired;
-
-import com.ctrip.apollo.metaserver.AbstractMetaServerTest;
-import com.netflix.appinfo.InstanceInfo;
-
-public class DiscoveryServiceTest extends AbstractMetaServerTest {
-
-  @Autowired
-  private DiscoveryService discoveryService;
-
-  @Test
-  public void testGetLocalMetaServerServices() {
-    List<InstanceInfo> instances = discoveryService.getMetaServerServiceInstance();
-    System.out.println(instances);
-  }
-}

apollo-metaserver/src/test/resources/bootstrap.yml

@@ -4,10 +4,11 @@ server:
 eureka:
   instance:
     hostname: localhost
-    preferIpAddress: true
+    leaseRenewalIntervalInSeconds: 1
   client:
-    fetchRegistry: false
+   # initialInstanceInfoReplicationIntervalSeconds: 1
+    registryFetchIntervalSeconds: 2
     serviceUrl:
-      defaultZone: http://${eureka.instance.hostname}:${server.port}/eureka/
+      defaultZone: http://${eureka.instance.hostname}:${server.port:8761}/eureka/
     healthcheck:
       enabled: true
\ No newline at end of file

apollo-portal/src/test/java/com/ctrip/apollo/portal/controller/AppControllerTest.java

@@ -26,7 +26,7 @@ public class AppControllerTest extends AbstractPortalTest {
   @Autowired
   AppRepository appRepository;
 
-  @Value("${server.port}")
+  @Value("${local.server.port}")
   String serverPort;
 
   @Test