don't resolve DNS in Ec2DiscoveryTests

Author: s1monw

plugins/discovery-ec2/src/test/java/org/elasticsearch/discovery/ec2/Ec2DiscoveryTests.java

@@ -24,19 +24,26 @@
 import org.elasticsearch.cloud.aws.AwsEc2Service;
 import org.elasticsearch.cloud.aws.AwsEc2Service.DISCOVERY_EC2;
 import org.elasticsearch.cluster.node.DiscoveryNode;
+import org.elasticsearch.common.io.stream.NamedWriteableRegistry;
+import org.elasticsearch.common.network.NetworkService;
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.common.transport.LocalTransportAddress;
 import org.elasticsearch.common.transport.TransportAddress;
+import org.elasticsearch.common.util.BigArrays;
+import org.elasticsearch.indices.breaker.NoneCircuitBreakerService;
 import org.elasticsearch.test.ESTestCase;
 import org.elasticsearch.test.transport.MockTransportService;
 import org.elasticsearch.threadpool.TestThreadPool;
 import org.elasticsearch.threadpool.ThreadPool;
+import org.elasticsearch.transport.MockTcpTransport;
+import org.elasticsearch.transport.Transport;
 import org.elasticsearch.transport.TransportService;
 import org.junit.AfterClass;
 import org.junit.Before;
 import org.junit.BeforeClass;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 
 import static org.hamcrest.Matchers.containsString;
@@ -66,7 +73,17 @@ public static void stopThreadPool() throws InterruptedException {
 
     @Before
     public void createTransportService() {
-        transportService = MockTransportService.createNewService(Settings.EMPTY, Version.CURRENT, threadPool);
+        NamedWriteableRegistry namedWriteableRegistry = new NamedWriteableRegistry(Collections.emptyList());
+        final Transport transport = new MockTcpTransport(Settings.EMPTY, threadPool, BigArrays.NON_RECYCLING_INSTANCE,
+            new NoneCircuitBreakerService(), namedWriteableRegistry, new NetworkService(Settings.EMPTY, Collections.emptyList()),
+            Version.CURRENT) {
+            @Override
+            public TransportAddress[] addressesFromString(String address, int perAddressLimit) throws Exception {
+                // we just need to ensure we don't resolve DNS here
+                return new TransportAddress[] {new LocalTransportAddress(address)};
+            }
+        };
+        transportService = new MockTransportService(Settings.EMPTY, transport, threadPool, TransportService.NOOP_TRANSPORT_INTERCEPTOR);
     }
 
     protected List<DiscoveryNode> buildDynamicNodes(Settings nodeSettings, int nodes) {