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.DefaultServerFactory;
  22 import io.dropwizard.server.SimpleServerFactory;
  23 import io.dropwizard.setup.Bootstrap;
  24 import io.dropwizard.setup.Environment;
  25 import io.swagger.jaxrs.config.BeanConfig;
  26 import io.swagger.jaxrs.listing.ApiListingResource;
  27
  28 import java.net.InetAddress;
  29 import java.net.UnknownHostException;
  30 import java.util.ArrayList;
  31 import java.util.List;
  32
  33 import org.apache.commons.logging.Log;
  34 import org.apache.commons.logging.LogFactory;
  35 import org.onap.vfc.nfvo.emsdriver.commons.constant.Constant;
  36 import org.onap.vfc.nfvo.emsdriver.commons.utils.DriverThread;
  37 import org.onap.vfc.nfvo.emsdriver.northbound.service.CommandResource;
  38 import org.onap.vfc.nfvo.emsdriver.serviceregister.MsbConfiguration;
  39 import org.onap.vfc.nfvo.emsdriver.serviceregister.MsbRestServiceProxy;
  40 import org.onap.vfc.nfvo.emsdriver.serviceregister.model.MsbRegisterVo;
  41 import org.onap.vfc.nfvo.emsdriver.serviceregister.model.ServiceNodeVo;
  42 import org.springframework.context.ApplicationContext;
  43 import org.springframework.context.support.FileSystemXmlApplicationContext;
  44
  45 import com.fasterxml.jackson.annotation.JsonInclude;
  46
  47 public class EmsDriverApplication extends Application<EmsDriverConfiguration> {
  48
  49         protected static Log log = LogFactory.getLog(EmsDriverApplication.class);
  50         public static ApplicationContext context = null;
  51
  52         public static void main(String[] args) throws Exception {
  53         new EmsDriverApplication().run(args);
  54     }
  55
  56     @Override
  57     public String getName() {
  58         return "ems-driver";
  59     }
  60
  61     @Override
  62     public void initialize(Bootstrap<EmsDriverConfiguration> bootstrap) {
  63         // nothing to do yet
  64         context = new FileSystemXmlApplicationContext("file:" + Constant.SYS_CFG+ "spring.xml");
  65         bootstrap.addBundle(new AssetsBundle("/api-doc", "/api-doc", "index.html", "api-doc"));
  66     }
  67
  68     @Override
  69     public void run(EmsDriverConfiguration configuration,Environment environment) {
  70         // register CommandResource
  71         environment.jersey().register(new CommandResource());
  72         MsbConfiguration.setMsbAddress(configuration.getMsbAddress());
  73         //MSB register
  74         String registerFlag = configuration.getAutoServiceRegister();
  75         if(registerFlag.equalsIgnoreCase("false")){
  76                 this.msbRegisteEmsDriverService(configuration);
  77         }
  78         //Start workThread
  79         this.startThread();
  80         initSwaggerConfig(environment, configuration);
  81     }
  82
  83     private void startThread(){
  84         String[] allThreadName = context.getBeanNamesForType(DriverThread.class);
  85                 log.info("worker num :" + allThreadName.length);
  86                 for (String threadName : allThreadName) {
  87                         DriverThread thread = (DriverThread) context.getBean(threadName);
  88                         if (thread == null) {
  89                                 log.error(threadName + "Thread start error,system exit");
  90                                 System.exit(1);
  91                         }
  92                         thread.setName(threadName);
  93                         thread.start();
  94                 }
  95     }
  96     // init swagger
  97     private void initSwaggerConfig(Environment environment, EmsDriverConfiguration configuration)
  98     {
  99         environment.jersey().register(new ApiListingResource());
 100         environment.getObjectMapper().setSerializationInclusion(JsonInclude.Include.NON_NULL);
 101
 102         BeanConfig config = new BeanConfig();
 103         config.setTitle(" Console Service rest API");
 104         config.setVersion("1.0.0");
 105         config.setResourcePackage("org.onap.vfc.nfvo.emsdriver.northbound.service");
 106         //swagger rest api basepath
 107         SimpleServerFactory simpleServerFactory = (SimpleServerFactory)configuration.getServerFactory();
 108         String basePath = simpleServerFactory.getApplicationContextPath();
 109         String rootPath = simpleServerFactory.getJerseyRootPath().get();
 110         rootPath = rootPath.substring(0, rootPath.indexOf("/*"));
 111         basePath = basePath.equals("/") ? rootPath : (new StringBuilder()).append(basePath).append(rootPath).toString();
 112         config.setBasePath(basePath);
 113         config.setScan(true);
 114     }
 115
 116         private void msbRegisteEmsDriverService(EmsDriverConfiguration configuration) {
 117                 SimpleServerFactory simpleServerFactory = (SimpleServerFactory)configuration.getServerFactory();
 118                 HttpConnectorFactory connector = (HttpConnectorFactory)simpleServerFactory.getConnector();
 119                 MsbRegisterVo registerVo = new MsbRegisterVo();
 120                 ServiceNodeVo serviceNode = new ServiceNodeVo();
 121                 String ip = "";
 122                 try {
 123                         ip = InetAddress.getLocalHost().getHostAddress();
 124                 } catch (UnknownHostException e) {
 125                         log.error("Unable to get host ip: " + e.getMessage());
 126                 }
 127                 if(ip.equals("")){
 128                         ip = connector.getBindHost();
 129                 }
 130                 serviceNode.setIp(ip);
 131                 serviceNode.setPort(String.valueOf(connector.getPort()));
 132                 serviceNode.setTtl(0);
 133
 134                 List<ServiceNodeVo> nodeList =  new ArrayList<ServiceNodeVo>();
 135                 nodeList.add(serviceNode);
 136                 registerVo.setServiceName("emsdriver");
 137                 registerVo.setUrl("/api/emsdriver/v1");
 138                 registerVo.setNodes(nodeList);
 139
 140                 MsbRestServiceProxy.registerService(registerVo);
 141                 log.info("register vfc-emsdriver service to msb finished.");
 142
 143         }
 144
 145
 146 }