Add basic authentication for config server

Fixes gh-42

spring-cloud-netflix-core/src/main/java/org/springframework/cloud/netflix/config/DiscoveryClientConfigServiceBootstrapConfiguration.java

@@ -35,32 +35,42 @@ import com.netflix.discovery.DiscoveryClient;
  * @author Dave Syer
  *
  */
-@ConditionalOnClass({DiscoveryClient.class, ConfigServicePropertySourceLocator.class})
-@ConditionalOnExpression("${spring.cloud.bootstrap.config.useDiscovery:false}")
+@ConditionalOnClass({ DiscoveryClient.class, ConfigServicePropertySourceLocator.class })
+@ConditionalOnExpression("${spring.cloud.bootstrap.useDiscovery:false}")
 @Configuration
 @EnableEurekaClient
 @Import(EurekaClientAutoConfiguration.class)
 @Slf4j
-public class DiscoveryClientConfigServiceBootstrapConfiguration implements ApplicationListener<ContextRefreshedEvent> {
-	
+public class DiscoveryClientConfigServiceBootstrapConfiguration implements
+		ApplicationListener<ContextRefreshedEvent> {
+
 	private static final String DEFAULT_CONFIG_SERVER = "CONFIGSERVER";
 
 	@Autowired
 	private DiscoveryClient client;
-	
+
 	@Autowired
 	private ConfigServicePropertySourceLocator delegate;
 
-	
 	@Override
 	public void onApplicationEvent(ContextRefreshedEvent event) {
 		try {
 			log.info("Locating configserver via discovery");
-			InstanceInfo server = client.getNextServerFromEureka(DEFAULT_CONFIG_SERVER, false);
-			delegate.setUri(server.getHomePageUrl());
-		} catch (Exception e) {
+			InstanceInfo server = client.getNextServerFromEureka(DEFAULT_CONFIG_SERVER,
+					false);
+			String url = server.getHomePageUrl();
+			if (server.getMetadata().containsKey("password")) {
+				String user = server.getMetadata().get("user");
+				user = user == null ? "user" : user;
+				delegate.setUsername(user);
+				String password = server.getMetadata().get("password");
+				delegate.setPassword(password);
+			}
+			delegate.setUri(url);
+		}
+		catch (Exception e) {
 			log.warn("Could not locate configserver via discovery", e);
-		}		
+		}
 	}
 
 }

spring-cloud-netflix-core/src/main/java/org/springframework/cloud/netflix/eureka/EurekaClientConfiguration.java

@@ -131,6 +131,7 @@ public class EurekaClientConfiguration implements SmartLifecycle, Ordered {
 	@Bean
 	@Lazy
 	@Scope(proxyMode = ScopedProxyMode.TARGET_CLASS)
+	@ConditionalOnMissingBean(com.netflix.discovery.DiscoveryClient.class)
 	public com.netflix.discovery.DiscoveryClient eurekaDiscoveryClient() {
 		return DiscoveryManager.getInstance().getDiscoveryClient();
 	}

spring-cloud-netflix-core/src/test/java/org/springframework/cloud/netflix/config/DiscoveryClientConfigServiceBootstrapConfigurationTests.java

@@ -0,0 +1,99 @@
+/*
+ * Copyright 2013-2014 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
+ *
+ *      http://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.netflix.config;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.After;
+import org.junit.Test;
+import org.mockito.Mockito;
+import org.springframework.boot.autoconfigure.PropertyPlaceholderAutoConfiguration;
+import org.springframework.boot.test.EnvironmentTestUtils;
+import org.springframework.cloud.config.client.ConfigServicePropertySourceLocator;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+
+import com.netflix.appinfo.InstanceInfo;
+import com.netflix.discovery.DiscoveryClient;
+
+/**
+ * @author Dave Syer
+ *
+ */
+public class DiscoveryClientConfigServiceBootstrapConfigurationTests {
+
+	private AnnotationConfigApplicationContext context;
+
+	private DiscoveryClient client = Mockito.mock(DiscoveryClient.class);
+
+	private InstanceInfo info = InstanceInfo.Builder.newBuilder().setAppName("app")
+			.setHostName("foo").setHomePageUrl("/", null).build();
+
+	@After
+	public void close() {
+		if (context != null) {
+			context.close();
+		}
+	}
+
+	@Test
+	public void offByDefault() throws Exception {
+		context = new AnnotationConfigApplicationContext(
+				DiscoveryClientConfigServiceBootstrapConfiguration.class);
+		assertEquals(0, context.getBeanNamesForType(DiscoveryClient.class).length);
+		assertEquals(
+				0,
+				context.getBeanNamesForType(DiscoveryClientConfigServiceBootstrapConfiguration.class).length);
+	}
+
+	@Test
+	public void onWhenRequested() throws Exception {
+		Mockito.when(client.getNextServerFromEureka("CONFIGSERVER", false)).thenReturn(
+				info);
+		setup("spring.cloud.bootstrap.useDiscovery=true");
+		assertEquals(
+				1,
+				context.getBeanNamesForType(DiscoveryClientConfigServiceBootstrapConfiguration.class).length);
+		Mockito.verify(client).getNextServerFromEureka("CONFIGSERVER", false);
+		ConfigServicePropertySourceLocator locator = context
+				.getBean(ConfigServicePropertySourceLocator.class);
+		assertEquals("http://foo:7001/", locator.getUri());
+	}
+
+	@Test
+	public void setsPasssword() throws Exception {
+		info.getMetadata().put("password", "bar");
+		Mockito.when(client.getNextServerFromEureka("CONFIGSERVER", false)).thenReturn(
+				info);
+		setup("spring.cloud.bootstrap.useDiscovery=true");
+		ConfigServicePropertySourceLocator locator = context
+				.getBean(ConfigServicePropertySourceLocator.class);
+		assertEquals("http://foo:7001/", locator.getUri());
+		assertEquals("bar", locator.getPassword());
+		assertEquals("user", locator.getUsername());
+	}
+
+	private void setup(String... env) {
+		context = new AnnotationConfigApplicationContext();
+		EnvironmentTestUtils.addEnvironment(context, env);
+		context.getDefaultListableBeanFactory().registerSingleton("mockDiscoveryClient",
+				client);
+		context.register(PropertyPlaceholderAutoConfiguration.class,
+				DiscoveryClientConfigServiceBootstrapConfiguration.class,
+				ConfigServicePropertySourceLocator.class);
+		context.refresh();		
+	}
+
+}