Fix Eureka Ribbon Auto Config conditions.

Specifically, add `@ConditionalOnBean(EurekaClient.class)`. Fixes an issue where eureka and ribbon are on the classpath, eureka.client.enabled=false which would cause a bean not found exception. fixes gh-1511 (cherry picked from commit d1f8c031)
parent 35528a71
......@@ -16,7 +16,14 @@
package org.springframework.cloud.netflix.ribbon.eureka;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.condition.AllNestedConditions;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
......@@ -24,8 +31,10 @@ import org.springframework.boot.context.properties.EnableConfigurationProperties
import org.springframework.cloud.netflix.ribbon.RibbonAutoConfiguration;
import org.springframework.cloud.netflix.ribbon.RibbonClients;
import org.springframework.cloud.netflix.ribbon.SpringClientFactory;
import org.springframework.context.annotation.Conditional;
import org.springframework.context.annotation.Configuration;
import com.netflix.discovery.EurekaClient;
import com.netflix.niws.loadbalancer.DiscoveryEnabledNIWSServerList;
/**
......@@ -33,11 +42,31 @@ import com.netflix.niws.loadbalancer.DiscoveryEnabledNIWSServerList;
*/
@Configuration
@EnableConfigurationProperties
@ConditionalOnClass(DiscoveryEnabledNIWSServerList.class)
@ConditionalOnBean(SpringClientFactory.class)
@ConditionalOnProperty(value = "ribbon.eureka.enabled", matchIfMissing = true)
@RibbonEurekaAutoConfiguration.ConditionalOnRibbonAndEurekaEnabled
@AutoConfigureAfter(RibbonAutoConfiguration.class)
@RibbonClients(defaultConfiguration = EurekaRibbonClientConfiguration.class)
public class RibbonEurekaAutoConfiguration {
@Target({ ElementType.TYPE, ElementType.METHOD })
@Retention(RetentionPolicy.RUNTIME)
@Documented
@Conditional(OnRibbonAndEurekaEnabledCondition.class)
@interface ConditionalOnRibbonAndEurekaEnabled {
}
private static class OnRibbonAndEurekaEnabledCondition extends AllNestedConditions {
public OnRibbonAndEurekaEnabledCondition() {
super(ConfigurationPhase.REGISTER_BEAN);
}
@ConditionalOnClass(DiscoveryEnabledNIWSServerList.class)
@ConditionalOnBean(SpringClientFactory.class)
@ConditionalOnProperty(value = "ribbon.eureka.enabled", matchIfMissing = true)
static class Defaults {}
@ConditionalOnBean(EurekaClient.class)
static class EurekaBeans {}
}
}
......@@ -16,11 +16,10 @@
package org.springframework.cloud.netflix.ribbon.eureka;
import static org.mockito.Mockito.mock;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.ImportAutoConfiguration;
import org.springframework.boot.autoconfigure.PropertyPlaceholderAutoConfiguration;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.cloud.commons.util.UtilAutoConfiguration;
......@@ -30,9 +29,8 @@ import org.springframework.cloud.netflix.ribbon.RibbonClients;
import org.springframework.cloud.netflix.ribbon.SpringClientFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.junit4.SpringRunner;
import com.netflix.discovery.EurekaClient;
import com.netflix.loadbalancer.ConfigurationBasedServerList;
......@@ -41,10 +39,12 @@ import com.netflix.loadbalancer.Server;
import com.netflix.loadbalancer.ZoneAwareLoadBalancer;
import com.netflix.niws.loadbalancer.NIWSDiscoveryPing;
import static org.mockito.Mockito.mock;
/**
* @author Spencer Gibb
*/
@RunWith(SpringJUnit4ClassRunner.class)
@RunWith(SpringRunner.class)
@SpringBootTest(classes = EurekaRibbonClientPropertyOverrideIntegrationTests.TestConfiguration.class)
@DirtiesContext
public class EurekaRibbonClientPropertyOverrideIntegrationTests {
......@@ -72,7 +72,7 @@ public class EurekaRibbonClientPropertyOverrideIntegrationTests {
@Configuration
@RibbonClients
@Import({ UtilAutoConfiguration.class, PropertyPlaceholderAutoConfiguration.class,
@ImportAutoConfiguration({ UtilAutoConfiguration.class, PropertyPlaceholderAutoConfiguration.class,
ArchaiusAutoConfiguration.class, RibbonAutoConfiguration.class,
RibbonEurekaAutoConfiguration.class })
protected static class TestConfiguration {
......
......@@ -16,12 +16,11 @@
package org.springframework.cloud.netflix.ribbon.eureka;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mockito;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.ImportAutoConfiguration;
import org.springframework.boot.autoconfigure.PropertyPlaceholderAutoConfiguration;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.cloud.commons.util.InetUtils;
......@@ -35,7 +34,6 @@ import org.springframework.cloud.netflix.ribbon.ZonePreferenceServerListFilter;
import org.springframework.cloud.netflix.ribbon.eureka.RibbonClientPreprocessorIntegrationTests.TestConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
......@@ -44,6 +42,8 @@ import com.netflix.loadbalancer.Server;
import com.netflix.loadbalancer.ZoneAvoidanceRule;
import com.netflix.loadbalancer.ZoneAwareLoadBalancer;
import static org.junit.Assert.assertEquals;
/**
* @author Dave Syer
*/
......@@ -83,14 +83,14 @@ public class RibbonClientPreprocessorIntegrationTests {
@Configuration
@RibbonClient("foo")
@Import({ PropertyPlaceholderAutoConfiguration.class,
@ImportAutoConfiguration({ PropertyPlaceholderAutoConfiguration.class,
ArchaiusAutoConfiguration.class, RibbonAutoConfiguration.class })
protected static class PlainConfiguration {
}
@Configuration
@RibbonClient(name = "foo", configuration = FooConfiguration.class)
@Import({ PropertyPlaceholderAutoConfiguration.class,
@ImportAutoConfiguration({ PropertyPlaceholderAutoConfiguration.class,
ArchaiusAutoConfiguration.class, RibbonAutoConfiguration.class,
RibbonEurekaAutoConfiguration.class })
protected static class TestConfiguration {
......
/*
* Copyright 2013-2016 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.ribbon.eureka;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringBootConfiguration;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.client.loadbalancer.LoadBalancerClient;
import org.springframework.context.annotation.Bean;
import org.springframework.test.context.junit4.SpringRunner;
import static org.assertj.core.api.Assertions.assertThat;
import static org.springframework.boot.test.context.SpringBootTest.WebEnvironment.RANDOM_PORT;
/**
* @author Spencer Gibb
*/
@RunWith(SpringRunner.class)
@SpringBootTest(classes = RibbonEurekaAutoConfigurationTests.EurekaClientDisabledApp.class,
properties = { "eureka.client.enabled=false", "spring.application.name=eurekadisabledtest" },
webEnvironment = RANDOM_PORT)
public class RibbonEurekaAutoConfigurationTests {
@Autowired
TestLoadbalancerClient testLoadbalancerClient;
@Test
public void contextLoads() {
assertThat(testLoadbalancerClient.instanceFound).isFalse();
}
@SpringBootConfiguration
@EnableAutoConfiguration
@EnableDiscoveryClient
public static class EurekaClientDisabledApp {
@Bean
public TestLoadbalancerClient testLoadbalanceClient(LoadBalancerClient loadBalancerClient) {
return new TestLoadbalancerClient(loadBalancerClient);
}
@Bean
public CommandLineRunner commandLineRunner(final TestLoadbalancerClient testLoadbalancerClient) {
return new CommandLineRunner() {
@Override
public void run(String... args) throws Exception {
testLoadbalancerClient.doStuff();
}
};
}
}
private static class TestLoadbalancerClient {
Log log = LogFactory.getLog(this.getClass());
private LoadBalancerClient loadBalancerClient;
private boolean instanceFound = false;
public TestLoadbalancerClient(LoadBalancerClient loadBalancerClient) {
this.loadBalancerClient = loadBalancerClient;
}
public void doStuff() {
ServiceInstance serviceInstance = loadBalancerClient.choose("http://host/doStuff");
if (serviceInstance != null) {
log.info("There is a service instance, because Eureka discovery is enabled and the service is registered");
instanceFound = true;
}
else {
log.warn("No instance found, because Eureka is disabled or there is no service matching.");
}
}
}
}
......@@ -39,6 +39,11 @@
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-context</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-netflix-core</artifactId>
</dependency>
<dependency>
......
......@@ -63,6 +63,11 @@
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-context</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-netflix-core</artifactId>
<optional>true</optional>
</dependency>
......
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