ems/boco/src/main/java/org/onap/vfc/nfvo/emsdriver/EmsDriverApplication.java

   1 /**
   2  * Copyright 2017 BOCO Corporation.  CMCC Technologies Co., Ltd
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.onap.vfc.nfvo.emsdriver;
  17
  18 import io.dropwizard.Application;
  19 import io.dropwizard.assets.AssetsBundle;
  20 import io.dropwizard.jetty.HttpConnectorFactory;
  21 import io.dropwizard.server.SimpleServerFactory;
  22 import io.dropwizard.setup.Bootstrap;
  23 import io.dropwizard.setup.Environment;
  24 import io.swagger.jaxrs.config.BeanConfig;
  25 import io.swagger.jaxrs.listing.ApiListingResource;
  26
  27 import java.net.InetAddress;
  28 import java.net.UnknownHostException;
  29 import java.util.ArrayList;
  30 import java.util.List;
  31
  32 import org.apache.commons.logging.Log;
  33 import org.apache.commons.logging.LogFactory;
  34 import org.onap.vfc.nfvo.emsdriver.commons.constant.Constant;
  35 import org.onap.vfc.nfvo.emsdriver.commons.utils.DriverThread;
  36 import org.onap.vfc.nfvo.emsdriver.northbound.service.CommandResource;
  37 import org.onap.vfc.nfvo.emsdriver.serviceregister.MsbConfiguration;
  38 import org.onap.vfc.nfvo.emsdriver.serviceregister.MsbRestServiceProxy;
  39 import org.onap.vfc.nfvo.emsdriver.serviceregister.model.MsbRegisterVo;
  40 import org.onap.vfc.nfvo.emsdriver.serviceregister.model.ServiceNodeVo;
  41 import org.springframework.context.ApplicationContext;
  42 import org.springframework.context.support.FileSystemXmlApplicationContext;
  43
  44 import com.fasterxml.jackson.annotation.JsonInclude;
  45
  46 public class EmsDriverApplication extends Application<EmsDriverConfiguration> {
  47
  48         protected static Log log = LogFactory.getLog(EmsDriverApplication.class);
  49         private  ApplicationContext context = null;
  50
  51         public static void main(String[] args) throws Exception {
  52                 log.info("EmsDriverApplication start");
  53         new EmsDriverApplication().run(args);
  54         log.info("EmsDriverApplication start sucess");
  55     }
  56
  57     @Override
  58     public String getName() {
  59         return "ems-driver";
  60     }
  61
  62     @Override
  63     public void initialize(Bootstrap<EmsDriverConfiguration> bootstrap) {
  64         // nothing to do yet
  65         context = new FileSystemXmlApplicationContext("file:" + Constant.SYS_CFG+ "spring.xml");
  66         bootstrap.addBundle(new AssetsBundle("/api-doc", "/api-doc", "index.html", "api-doc"));
  67     }
  68
  69     @Override
  70     public void run(EmsDriverConfiguration configuration,Environment environment) {
  71         // register CommandResource
  72         environment.jersey().register(new CommandResource());
  73         MsbConfiguration.setMsbAddress(configuration.getMsbAddress());
  74         //MSB register
  75         String registerFlag = configuration.getAutoServiceRegister();
  76         if("false".equalsIgnoreCase(registerFlag)){
  77                 this.msbRegisteEmsDriverService(configuration);
  78         }
  79         //Start workThread
  80         this.startThread();
  81         initSwaggerConfig(environment, configuration);
  82     }
  83
  84     private void startThread(){
  85         String[] allThreadName = context.getBeanNamesForType(DriverThread.class);
  86                 log.info("worker num :" + allThreadName.length);
  87                 for (String threadName : allThreadName) {
  88                         DriverThread thread = (DriverThread) context.getBean(threadName);
  89                         if (thread == null) {
  90                                 log.error(threadName + "Thread start error,system exit");
  91                                 System.exit(1);
  92                         }else{
  93                                 thread.setName(threadName);
  94                                 thread.start();
  95                         }
  96
  97                 }
  98     }
  99     // init swagger
 100     private void initSwaggerConfig(Environment environment, EmsDriverConfiguration configuration)
 101     {
 102         environment.jersey().register(new ApiListingResource());
 103         environment.getObjectMapper().setSerializationInclusion(JsonInclude.Include.NON_NULL);
 104
 105         BeanConfig config = new BeanConfig();
 106         config.setTitle(" Console Service rest API");
 107         config.setVersion("1.0.0");
 108         config.setResourcePackage("org.onap.vfc.nfvo.emsdriver.northbound.service");
 109         //swagger rest api basepath
 110         SimpleServerFactory simpleServerFactory = (SimpleServerFactory)configuration.getServerFactory();
 111         String basePath = simpleServerFactory.getApplicationContextPath();
 112         String rootPath = simpleServerFactory.getJerseyRootPath().get();
 113         rootPath = rootPath.substring(0, rootPath.indexOf("/*"));
 114         basePath = basePath.equals("/") ? rootPath : (new StringBuilder()).append(basePath).append(rootPath).toString();
 115         config.setBasePath(basePath);
 116         config.setScan(true);
 117     }
 118
 119         private void msbRegisteEmsDriverService(EmsDriverConfiguration configuration) {
 120                 SimpleServerFactory simpleServerFactory = (SimpleServerFactory)configuration.getServerFactory();
 121                 HttpConnectorFactory connector = (HttpConnectorFactory)simpleServerFactory.getConnector();
 122                 MsbRegisterVo registerVo = new MsbRegisterVo();
 123                 ServiceNodeVo serviceNode = new ServiceNodeVo();
 124                 String ip = "";
 125                 try {
 126                         ip = InetAddress.getLocalHost().getHostAddress();
 127                 } catch (UnknownHostException e) {
 128                         log.error("Unable to get host ip: ",e);
 129                 }
 130                 if(ip.equals("")){
 131                         ip = connector.getBindHost();
 132                 }
 133                 serviceNode.setIp(ip);
 134                 serviceNode.setPort(String.valueOf(connector.getPort()));
 135                 serviceNode.setTtl(0);
 136
 137                 List<ServiceNodeVo> nodeList =  new ArrayList<ServiceNodeVo>();
 138                 nodeList.add(serviceNode);
 139                 registerVo.setServiceName("emsdriver");
 140                 registerVo.setUrl("/api/emsdriver/v1");
 141                 registerVo.setNodes(nodeList);
 142
 143                 MsbRestServiceProxy.registerService(registerVo);
 144                 log.info("register vfc-emsdriver service to msb finished.");
 145
 146         }
 147
 148
 149 }