mso-api-handlers/mso-api-handler-infra/src/main/java/org/openecomp/mso/apihandlerinfra/ManualTasks.java

   1 /*-\r
   2  * ============LICENSE_START=======================================================\r
   3  * ONAP - SO\r
   4  * ================================================================================\r
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.\r
   6  * Copyright (C) 2017 Huawei Technologies Co., Ltd. All rights reserved.\r
   7  * ================================================================================\r
   8  * Licensed under the Apache License, Version 2.0 (the "License");\r
   9  * you may not use this file except in compliance with the License.\r
  10  * You may obtain a copy of the License at\r
  11  *\r
  12  *      http://www.apache.org/licenses/LICENSE-2.0\r
  13  *\r
  14  * Unless required by applicable law or agreed to in writing, software\r
  15  * distributed under the License is distributed on an "AS IS" BASIS,\r
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  17  * See the License for the specific language governing permissions and\r
  18  * limitations under the License.\r
  19  * ============LICENSE_END=========================================================\r
  20  */\r
  21 package org.openecomp.mso.apihandlerinfra;\r
  22 \r
  23 import org.openecomp.mso.logger.MessageEnum;\r
  24 import org.openecomp.mso.logger.MsoAlarmLogger;\r
  25 import org.openecomp.mso.logger.MsoLogger;\r
  26 import org.openecomp.mso.utils.UUIDChecker;\r
  27 \r
  28 import com.wordnik.swagger.annotations.ApiOperation;\r
  29 \r
  30 import org.apache.http.HttpResponse;\r
  31 import org.apache.http.HttpStatus;\r
  32 import org.openecomp.mso.apihandler.common.ValidationException;\r
  33 import org.openecomp.mso.apihandler.common.ErrorNumbers;\r
  34 import org.openecomp.mso.apihandler.common.RequestClient;\r
  35 import org.openecomp.mso.apihandler.common.RequestClientFactory;\r
  36 import org.openecomp.mso.apihandler.common.ResponseHandler;\r
  37 import org.openecomp.mso.apihandlerinfra.tasksbeans.*;\r
  38 \r
  39 import javax.ws.rs.Consumes;\r
  40 import javax.ws.rs.POST;\r
  41 import javax.ws.rs.Path;\r
  42 import javax.ws.rs.PathParam;\r
  43 import javax.ws.rs.Produces;\r
  44 import javax.ws.rs.core.MediaType;\r
  45 import javax.ws.rs.core.Response;\r
  46 \r
  47 import com.fasterxml.jackson.databind.ObjectMapper;\r
  48 import com.fasterxml.jackson.databind.SerializationFeature;\r
  49 \r
  50 \r
  51 @Path("/tasks")\r
  52 public class ManualTasks {\r
  53         private static MsoLogger msoLogger = MsoLogger.getMsoLogger (MsoLogger.Catalog.APIH);\r
  54         private static MsoAlarmLogger alarmLogger = new MsoAlarmLogger ();\r
  55         \r
  56         @POST\r
  57         @Path("/{version:[vV]1}/{taskId}/complete")\r
  58         @Consumes(MediaType.APPLICATION_JSON)\r
  59         @Produces(MediaType.APPLICATION_JSON)\r
  60         @ApiOperation(value="Complete specified task",response=Response.class)\r
  61         public Response completeTask(String request, @PathParam("version") String version, @PathParam("taskId") String taskId) {\r
  62                 \r
  63                 String requestId = UUIDChecker.generateUUID(msoLogger);\r
  64                 long startTime = System.currentTimeMillis ();\r
  65                 msoLogger.debug ("requestId is: " + requestId);\r
  66                 TasksRequest tr = null;\r
  67                 \r
  68                 MsoRequest msoRequest = new MsoRequest (requestId);\r
  69                 \r
  70                 try{\r
  71                         ObjectMapper mapper = new ObjectMapper();\r
  72                         tr= mapper.readValue(request, TasksRequest.class);\r
  73                         \r
  74                         if (tr.getRequestDetails() == null) {\r
  75                                 throw new ValidationException("requestDetails");                                \r
  76                         }\r
  77                         if (tr.getRequestDetails().getRequestInfo() == null) {\r
  78                                 throw new ValidationException("requestInfo");\r
  79                         }\r
  80                         if (empty(tr.getRequestDetails().getRequestInfo().getSource())) {\r
  81                                 throw new ValidationException("source");\r
  82                         }\r
  83                         if (empty(tr.getRequestDetails().getRequestInfo().getRequestorId())) {\r
  84                                 throw new ValidationException("requestorId");\r
  85                         }\r
  86 \r
  87                 } catch(Exception e){\r
  88                         msoLogger.debug ("Mapping of request to JSON object failed : ", e);\r
  89                         Response response = msoRequest.buildServiceErrorResponse(HttpStatus.SC_BAD_REQUEST, MsoException.ServiceException,\r
  90                                         "Mapping of request to JSON object failed.  " + e.getMessage(),\r
  91                                         ErrorNumbers.SVC_BAD_PARAMETER, null);\r
  92                         \r
  93                         msoLogger.error (MessageEnum.APIH_REQUEST_VALIDATION_ERROR, Constants.MSO_PROP_APIHANDLER_INFRA, "", "", MsoLogger.ErrorCode.SchemaError, request, e);\r
  94                         msoLogger.recordAuditEvent (startTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.SchemaError, "Mapping of request to JSON object failed");\r
  95                         msoLogger.debug ("End of the transaction, the final response is: " + (String) response.getEntity ());\r
  96                         return response;\r
  97                 }               \r
  98                 \r
  99                 // Transform the request to Camunda-style Complete request\r
 100                 Variables variablesForComplete = new Variables();\r
 101                 Value sourceValue = new Value(); \r
 102                 sourceValue.setValue(tr.getRequestDetails().getRequestInfo().getSource());\r
 103                 Value responseValue = new Value(); \r
 104                 responseValue.setValue(tr.getRequestDetails().getRequestInfo().getResponseValue().name());\r
 105                 Value requestorIdValue = new Value(); \r
 106                 requestorIdValue.setValue(tr.getRequestDetails().getRequestInfo().getRequestorId());\r
 107                 variablesForComplete.setSource(sourceValue);\r
 108                 variablesForComplete.setResponseValue(responseValue);\r
 109                 variablesForComplete.setRequestorId(requestorIdValue);\r
 110                 \r
 111                 String camundaJsonReq = null;\r
 112                 try {\r
 113                         ObjectMapper mapper = new ObjectMapper();\r
 114                         mapper.configure(SerializationFeature.WRAP_ROOT_VALUE, true);\r
 115                         camundaJsonReq = mapper.writeValueAsString(variablesForComplete);\r
 116                         msoLogger.debug("Camunda Json Request: " + camundaJsonReq);\r
 117                 } catch(Exception e){\r
 118                         msoLogger.debug ("Mapping of JSON object to Camunda request failed : ", e);\r
 119                         Response response = msoRequest.buildServiceErrorResponse(HttpStatus.SC_INTERNAL_SERVER_ERROR, MsoException.ServiceException,\r
 120                                 "Mapping of JSON object to Camunda Request failed.  " + e.getMessage(),\r
 121                                 ErrorNumbers.SVC_GENERAL_SERVICE_ERROR, null);\r
 122                 \r
 123                         msoLogger.error (MessageEnum.APIH_GENERAL_EXCEPTION, Constants.MSO_PROP_APIHANDLER_INFRA, "", "", MsoLogger.ErrorCode.UnknownError, request, e);\r
 124                         msoLogger.recordAuditEvent (startTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.InternalError, "Mapping of JSON object to Camunda request failed");\r
 125                         msoLogger.debug ("End of the transaction, the final response is: " + (String) response.getEntity ());\r
 126                         return response;\r
 127                 }               \r
 128                 \r
 129                 RequestClient requestClient = null;\r
 130                 HttpResponse response = null;\r
 131                 long subStartTime = System.currentTimeMillis();\r
 132                 String requestUrl = "/mso/task/" + taskId + "/complete";\r
 133                 try {\r
 134                         requestClient = RequestClientFactory.getRequestClient (requestUrl, MsoPropertiesUtils.loadMsoProperties ());\r
 135                         // Capture audit event\r
 136                         msoLogger.debug ("MSO API Handler Posting call to Camunda engine for url: " + requestClient.getUrl ());\r
 137 \r
 138                         System.out.println("URL : " + requestClient.getUrl ());\r
 139                         msoLogger.recordAuditEvent (startTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.InternalError, "Mapping of JSON object to Camunda request failed");\r
 140                         \r
 141                         response = requestClient.post(camundaJsonReq);\r
 142 \r
 143                         msoLogger.recordMetricEvent (subStartTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc, "Successfully received response from BPMN engine", "BPMN", requestUrl, null);\r
 144                 } catch (Exception e) {\r
 145                     msoLogger.debug ("Exception:", e);\r
 146                         msoLogger.recordMetricEvent (subStartTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.CommunicationError, "Exception while communicate with BPMN engine", "BPMN", requestUrl, null);\r
 147                         msoRequest.setStatus (org.openecomp.mso.apihandlerinfra.vnfbeans.RequestStatusType.FAILED);\r
 148                         Response resp = msoRequest.buildServiceErrorResponse (HttpStatus.SC_BAD_GATEWAY,\r
 149                                         MsoException.ServiceException,\r
 150                                         "Failed calling bpmn " + e.getMessage (),\r
 151                                         ErrorNumbers.SVC_NO_SERVER_RESOURCES,\r
 152                                         null);\r
 153                         alarmLogger.sendAlarm ("MsoConfigurationError",\r
 154                                         MsoAlarmLogger.CRITICAL,\r
 155                                         Messages.errors.get (ErrorNumbers.NO_COMMUNICATION_TO_BPEL));\r
 156                         msoRequest.updateFinalStatus (Status.FAILED);\r
 157                         msoLogger.error (MessageEnum.APIH_BPEL_COMMUNICATE_ERROR, Constants.MSO_PROP_APIHANDLER_INFRA, "", "", MsoLogger.ErrorCode.AvailabilityError, "Exception while communicate with BPMN engine");\r
 158                         msoLogger.recordAuditEvent (startTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.CommunicationError, "Exception while communicate with BPMN engine");\r
 159                         msoLogger.debug ("End of the transaction, the final response is: " + (String) resp.getEntity ());\r
 160                         return resp;\r
 161                 }\r
 162 \r
 163                 if (response == null) {\r
 164                         msoRequest.setStatus (org.openecomp.mso.apihandlerinfra.vnfbeans.RequestStatusType.FAILED);\r
 165                         Response resp = msoRequest.buildServiceErrorResponse (HttpStatus.SC_BAD_GATEWAY,\r
 166                                         MsoException.ServiceException,\r
 167                                         "bpelResponse is null",\r
 168                                         ErrorNumbers.SVC_NO_SERVER_RESOURCES,\r
 169                                         null);\r
 170                         msoRequest.updateFinalStatus (Status.FAILED);\r
 171                         msoLogger.error (MessageEnum.APIH_BPEL_COMMUNICATE_ERROR, Constants.MSO_PROP_APIHANDLER_INFRA, "", "", MsoLogger.ErrorCode.BusinessProcesssError, "Null response from BPEL");\r
 172                         msoLogger.recordAuditEvent (startTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.InternalError, "Null response from BPMN");\r
 173                         msoLogger.debug ("End of the transaction, the final response is: " + (String) resp.getEntity ());\r
 174                         return resp;\r
 175                 }\r
 176 \r
 177                 ResponseHandler respHandler = new ResponseHandler (response, requestClient.getType ());\r
 178                 int bpelStatus = respHandler.getStatus ();\r
 179 \r
 180                 // BPEL accepted the request, the request is in progress\r
 181                 if (bpelStatus == HttpStatus.SC_NO_CONTENT || bpelStatus == HttpStatus.SC_ACCEPTED) {                   \r
 182                         msoLogger.debug ("Received good response from Camunda");\r
 183                         msoRequest.setStatus (org.openecomp.mso.apihandlerinfra.vnfbeans.RequestStatusType.IN_PROGRESS);                        \r
 184                         msoLogger.recordAuditEvent (startTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc, "BPMN completed the request");\r
 185                         TaskRequestReference trr = new TaskRequestReference();\r
 186                         trr.setTaskId(taskId);\r
 187                         String completeResp = null;\r
 188                         try {\r
 189                                 ObjectMapper mapper = new ObjectMapper();\r
 190                                 mapper.configure(SerializationFeature.WRAP_ROOT_VALUE, true);\r
 191                                 completeResp = mapper.writeValueAsString(trr);\r
 192                         }\r
 193                         catch (Exception e) {\r
 194                                 msoLogger.debug("Unable to format response",e);\r
 195                                 Response resp = msoRequest.buildServiceErrorResponse(bpelStatus,\r
 196                                                 MsoException.ServiceException,\r
 197                                                 "Request Failed due to bad response format" ,\r
 198                                                 ErrorNumbers.SVC_DETAILED_SERVICE_ERROR,\r
 199                                                 null);                          \r
 200                                 msoLogger.error (MessageEnum.APIH_BPEL_RESPONSE_ERROR, requestClient.getUrl (), "", "", MsoLogger.ErrorCode.BusinessProcesssError, "Bad response format");\r
 201                                 msoLogger.recordAuditEvent (startTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.InternalError, "Bad response format");\r
 202                                 msoLogger.debug ("End of the transaction, the final response is: " + (String) resp.getEntity ());\r
 203                                 return resp;\r
 204                         }\r
 205                         msoLogger.debug("Response to the caller: " + completeResp);                     \r
 206                         msoLogger.debug ("End of the transaction, the final response is: " + (String) completeResp);\r
 207                         return Response.status (HttpStatus.SC_ACCEPTED).entity (completeResp).build ();\r
 208                 } else {                        \r
 209                                 msoRequest.setStatus (org.openecomp.mso.apihandlerinfra.vnfbeans.RequestStatusType.FAILED);\r
 210                                 Response resp = msoRequest.buildServiceErrorResponse(bpelStatus,\r
 211                                                 MsoException.ServiceException,\r
 212                                                 "Request Failed due to BPEL error with HTTP Status= %1" ,\r
 213                                                 ErrorNumbers.SVC_DETAILED_SERVICE_ERROR,\r
 214                                                 null);                          \r
 215                                 msoLogger.error (MessageEnum.APIH_BPEL_RESPONSE_ERROR, requestClient.getUrl (), "", "", MsoLogger.ErrorCode.BusinessProcesssError, "Response from BPEL engine is empty");\r
 216                                 msoLogger.recordAuditEvent (startTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.InternalError, "Response from BPEL engine is empty");\r
 217                                 msoLogger.debug ("End of the transaction, the final response is: " + (String) resp.getEntity ());\r
 218                                 return resp;\r
 219                 }       \r
 220         \r
 221         }\r
 222         \r
 223         private static boolean empty(String s) {\r
 224           return (s == null || s.trim().isEmpty());\r
 225   }\r
 226                 \r
 227 }\r