holmes-actions/src/main/java/org/openo/holmes/common/utils/MSBRegisterUtil.java

   1 /**\r
   2  * Copyright 2017 ZTE Corporation.\r
   3  *\r
   4  * Licensed under the Apache License, Version 2.0 (the "License");\r
   5  * you may not use this file except in compliance with the License.\r
   6  * You may obtain a copy of the License at\r
   7  *\r
   8  *     http://www.apache.org/licenses/LICENSE-2.0\r
   9  *\r
  10  * Unless required by applicable law or agreed to in writing, software\r
  11  * distributed under the License is distributed on an "AS IS" BASIS,\r
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  13  * See the License for the specific language governing permissions and\r
  14  * limitations under the License.\r
  15  */\r
  16 \r
  17 package org.openo.holmes.common.utils;\r
  18 \r
  19 import com.fasterxml.jackson.databind.ObjectMapper;\r
  20 import java.io.IOException;\r
  21 import lombok.extern.slf4j.Slf4j;\r
  22 import org.apache.commons.lang3.StringUtils;\r
  23 import org.apache.http.HttpResponse;\r
  24 import org.apache.http.client.methods.HttpPost;\r
  25 import org.apache.http.client.methods.HttpRequestBase;\r
  26 import org.apache.http.entity.ByteArrayEntity;\r
  27 import org.apache.http.impl.client.CloseableHttpClient;\r
  28 import org.apache.http.impl.client.HttpClients;\r
  29 import org.apache.http.util.EntityUtils;\r
  30 import org.jvnet.hk2.annotations.Service;\r
  31 import org.openo.holmes.common.api.entity.ServiceRegisterEntity;\r
  32 import org.openo.holmes.common.config.MicroServiceConfig;\r
  33 import org.openo.holmes.common.constant.AlarmConst;\r
  34 \r
  35 @Slf4j\r
  36 @Service\r
  37 public class MSBRegisterUtil {\r
  38 \r
  39     public void register(ServiceRegisterEntity entity) throws IOException {\r
  40             log.info("start inventory micro service register");\r
  41             boolean flag = false;\r
  42             int retry = 0;\r
  43             while (!flag && retry < 20) {\r
  44                 log.info("inventory micro service register.retry:" + retry);\r
  45                 retry++;\r
  46                 flag = inner_register(entity);\r
  47                 if (!flag) {\r
  48                     log.warn("micro service register failed, sleep 30S and try again.");\r
  49                     threadSleep(30000);\r
  50                 } else {\r
  51                     log.info("micro service register success!");\r
  52                     break;\r
  53                 }\r
  54             }\r
  55             log.info("holmes micro service register end.");\r
  56     }\r
  57 \r
  58     private void setHeader(HttpRequestBase httpRequestBase) {\r
  59         httpRequestBase.setHeader("Content-Type", "text/html;charset=UTF-8");\r
  60         httpRequestBase.setHeader("Accept", "application/json");\r
  61         httpRequestBase.setHeader("Content-Type", "application/json");\r
  62     }\r
  63 \r
  64     private boolean inner_register(ServiceRegisterEntity entity) {\r
  65         CloseableHttpClient httpClient = HttpClients.createDefault();\r
  66         try {\r
  67             ObjectMapper mapper = new ObjectMapper();\r
  68             String content = mapper.writeValueAsString(entity);\r
  69             HttpPost httpPost = new HttpPost(\r
  70                     MicroServiceConfig.getMsbServerAddr() + "/api/microservices/v1/services?createOrUpdate=false");\r
  71             if (StringUtils.isNotEmpty(content)) {\r
  72                 httpPost.setEntity(new ByteArrayEntity(content.getBytes()));\r
  73             }\r
  74             this.setHeader(httpPost);\r
  75             HttpResponse response;\r
  76             try {\r
  77                 response = httpClient.execute(httpPost);\r
  78             } catch (Exception e) {\r
  79                 log.warn("Registering the service to the bus failure", e);\r
  80                 return false;\r
  81             }\r
  82             if (response.getStatusLine().getStatusCode() == AlarmConst.MICRO_SERVICE_STATUS_SUCCESS) {\r
  83                 log.info("Registration successful service to the bus :" + EntityUtils.toString(response.getEntity()));\r
  84                 return true;\r
  85             } else {\r
  86                 log.warn(\r
  87                         "Registering the service to the bus failure:" + response.getStatusLine().getStatusCode() + " " +\r
  88                                 response.getStatusLine().getReasonPhrase());\r
  89                 return false;\r
  90             }\r
  91         } catch (IOException e) {\r
  92             log.warn("ServiceRegisterEntity:" + entity + " parse failed",e);\r
  93         } finally {\r
  94             try {\r
  95                 httpClient.close();\r
  96             } catch (IOException e) {\r
  97                 log.warn("At the time of registering service httpclient close failure",e);\r
  98             }\r
  99         }\r
 100         return false;\r
 101     }\r
 102 \r
 103     private void threadSleep(int second) {\r
 104         log.info("start sleep ....");\r
 105         try {\r
 106             Thread.sleep(second);\r
 107         } catch (InterruptedException error) {\r
 108             log.error("thread sleep error.errorMsg:" + error.getMessage());\r
 109         }\r
 110         log.info("sleep end .");\r
 111     }\r
 112 }