/*
* Copyright 2013 Netflix, Inc.
*
* 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 netflix.adminresources.resources;
import com.google.common.annotations.Beta;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.netflix.appinfo.InstanceInfo;
import com.netflix.discovery.DiscoveryClient;
import com.netflix.discovery.DiscoveryManager;
import com.netflix.discovery.shared.Application;
import com.netflix.discovery.shared.Applications;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import java.util.ArrayList;
import java.util.List;
/**
* @author pkamath
* @author Nitesh Kant
*/
@Beta
@Path("/webadmin/eureka")
@Produces(MediaType.APPLICATION_JSON)
public class EurekaResource {
private static final Logger logger = LoggerFactory.getLogger(JarsInfoResource.class);
@GET
public Response getEurekaDetails() {
List<EurekaInstanceInfo> instanceInfoList = new ArrayList<EurekaInstanceInfo>();
DiscoveryClient discoveryClient = DiscoveryManager.getInstance().getDiscoveryClient();
if (null != discoveryClient) {
Applications apps = discoveryClient.getApplications();
for (Application app : apps.getRegisteredApplications()) {
for (InstanceInfo inst : app.getInstances()) {
instanceInfoList.add(new EurekaInstanceInfo(inst.getAppName(), inst.getId(), inst.getStatus().name(), inst.getIPAddr(), inst.getHostName()));
}
}
}
GsonBuilder gsonBuilder = new GsonBuilder().serializeNulls();
Gson gson = gsonBuilder.create();
String response = gson.toJson(new KaryonAdminResponse(instanceInfoList));
return Response.ok(response).build();
}
private static class EurekaInstanceInfo {
private String application;
private String id;
private String status;
private String ipAddress;
private String hostName;
private EurekaInstanceInfo(String application, String id, String status, String ipAddress, String hostName) {
this.application = application;
this.id = id;
this.status = status;
this.ipAddress = ipAddress;
this.hostName = hostName;
}
public String getApplication() {
return application;
}
public String getId() {
return id;
}
public String getStatus() {
return status;
}
public String getIpAddress() {
return ipAddress;
}
public String getHostName() {
return hostName;
}
}
}