/*
* Copyright 2013-2015 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.eureka.sample;
import java.io.Closeable;
import java.io.IOException;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.actuate.metrics.repository.InMemoryMetricRepository;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.client.serviceregistry.ServiceRegistry;
import org.springframework.cloud.commons.util.InetUtils;
import org.springframework.cloud.netflix.eureka.EurekaClientConfigBean;
import org.springframework.cloud.netflix.eureka.EurekaInstanceConfigBean;
import org.springframework.cloud.netflix.eureka.serviceregistry.EurekaRegistration;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import com.netflix.appinfo.HealthCheckHandler;
import com.netflix.appinfo.InstanceInfo;
import static org.springframework.web.bind.annotation.RequestMethod.POST;
@Configuration
@ComponentScan
@EnableAutoConfiguration
@RestController
@EnableDiscoveryClient
public class EurekaSampleApplication implements ApplicationContextAware, Closeable {
@Autowired
private DiscoveryClient discoveryClient;
@Autowired
private ServiceRegistry<EurekaRegistration> serviceRegistry;
@Autowired
private InetUtils inetUtils;
@Autowired
private EurekaClientConfigBean clientConfig;
private ApplicationContext context;
private EurekaRegistration registration;
@Bean
public InMemoryMetricRepository inMemoryMetricRepository() {
return new InMemoryMetricRepository();
}
@Bean
public HealthCheckHandler healthCheckHandler() {
return new HealthCheckHandler() {
@Override
public InstanceInfo.InstanceStatus getStatus(
InstanceInfo.InstanceStatus currentStatus) {
return InstanceInfo.InstanceStatus.UP;
}
};
}
@RequestMapping("/")
public String home() {
return "Hello world "+discoveryClient.getLocalServiceInstance().getUri();
}
@Override
public void setApplicationContext(ApplicationContext context) throws BeansException {
this.context = context;
}
public static void main(String[] args) {
new SpringApplicationBuilder(EurekaSampleApplication.class).web(true).run(args);
}
@RequestMapping(path = "/register", method = POST)
public String register() {
EurekaInstanceConfigBean config = new EurekaInstanceConfigBean(inetUtils);
String appname = "customapp";
config.setIpAddress("127.0.0.1");
config.setHostname("localhost");
config.setAppname(appname);
config.setVirtualHostName(appname);
config.setSecureVirtualHostName(appname);
config.setNonSecurePort(4444);
config.setInstanceId("127.0.0.1:customapp:4444");
this.registration = EurekaRegistration.builder(config)
.with(this.clientConfig, this.context)
.build();
this.serviceRegistry.register(this.registration);
return config.getInstanceId();
}
@RequestMapping(path = "/deregister", method = POST)
public String deregister() {
this.serviceRegistry.deregister(this.registration);
return "deregister";
}
@Override
public void close() throws IOException {
deregister();
}
}