gerrit.onap Code Review - so.git/blob

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP - SO
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * Copyright (C) 2017 Huawei Technologies Co., Ltd. All rights reserved.
   7  * ================================================================================
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  * ============LICENSE_END=========================================================
  20  */
  21 package org.openecomp.mso.adapters.workflowmessage;
  22
  23 import javax.servlet.http.HttpServletResponse;
  24 import javax.ws.rs.Consumes;
  25 import javax.ws.rs.GET;
  26 import javax.ws.rs.HEAD;
  27 import javax.ws.rs.POST;
  28 import javax.ws.rs.Path;
  29 import javax.ws.rs.HeaderParam;
  30 import javax.ws.rs.PathParam;
  31 import javax.ws.rs.Produces;
  32 import javax.ws.rs.QueryParam;
  33 import javax.ws.rs.core.Context;
  34 import javax.ws.rs.core.HttpHeaders;
  35 import javax.ws.rs.core.MediaType;
  36 import javax.ws.rs.core.Response;
  37
  38 import org.apache.http.entity.ContentType;
  39
  40 import org.openecomp.mso.HealthCheckUtils;
  41 import org.openecomp.mso.logger.MessageEnum;
  42 import org.openecomp.mso.logger.MsoAlarmLogger;
  43 import org.openecomp.mso.logger.MsoLogger;
  44 import org.openecomp.mso.utils.UUIDChecker;
  45
  46 /**
  47  * Workflow Message Adapter interface added in 1707.  Supports delivery of
  48  * callbacks from external systems to waiting BPMN workflows.
  49  */
  50 @Path("/")
  51 public class WMAdapterRest {
  52         private static final MsoLogger LOGGER = MsoLogger.getMsoLogger(MsoLogger.Catalog.RA);
  53         private static final MsoAlarmLogger ALARMLOGGER = new MsoAlarmLogger();
  54
  55         @HEAD
  56         @GET
  57         @Path("/healthcheck")
  58         @Produces(MediaType.TEXT_HTML)
  59         public Response healthcheck(@QueryParam("requestId") String requestId) {
  60                 long startTime = System.currentTimeMillis();
  61                 MsoLogger.setServiceName("Healthcheck");
  62                 UUIDChecker.verifyOldUUID(requestId, LOGGER);
  63                 HealthCheckUtils healthCheck = new HealthCheckUtils();
  64
  65                 if (!healthCheck.siteStatusCheck(LOGGER, startTime)) {
  66                         return HealthCheckUtils.HEALTH_CHECK_NOK_RESPONSE;
  67                 }
  68
  69                 if (!healthCheck.configFileCheck(LOGGER, startTime, WMAdapterConstants.MSO_PROPERTIES_ID)) {
  70                         return HealthCheckUtils.NOT_STARTED_RESPONSE;
  71                 }
  72
  73                 LOGGER.debug("healthcheck - Successful");
  74                 return HealthCheckUtils.HEALTH_CHECK_RESPONSE;
  75         }
  76
  77         /**
  78          * Receives a message from a remote system.
  79          * @param content the message content
  80          */
  81         @POST
  82         @Path("/message/{messageType}/{correlator}")
  83         @Consumes("*/*")
  84         @Produces({MediaType.TEXT_PLAIN})
  85         public Response receiveWorkflowMessage(
  86                         @HeaderParam("Content-Type") String contentTypeHeader,
  87                         @PathParam("messageType") String messageType,
  88                         @PathParam("correlator") String correlator,
  89                         String content) {
  90
  91                 String path= "workflow/" + messageType + "/" + correlator;
  92                 LOGGER.info(MessageEnum.RA_RECEIVE_WORKFLOW_MESSAGE, content, "WorkflowMessageAdapter", path);
  93
  94                 long startTime = System.currentTimeMillis();
  95
  96                 ContentType contentType = null;
  97
  98                 if (contentTypeHeader != null) {
  99                         try {
 100                                 contentType = ContentType.parse(contentTypeHeader);
 101                         } catch (Exception e) {
 102                                 // If we don't get a valid one, we handle it below.
 103                                 LOGGER.debug("Exception :",e);
 104                         }
 105                 }
 106
 107                 if (contentType == null && content != null) {
 108                         String error = "Missing or Invalid Content-Type";
 109                         LOGGER.error(MessageEnum.RA_PARSING_REQUEST_ERROR, error, "WorkflowMessageAdapter", path,
 110                                 MsoLogger.ErrorCode.DataError, "Bad Request");
 111                         ALARMLOGGER.sendAlarm("MsoInternalError", MsoAlarmLogger.CRITICAL, error);
 112                         return Response.status(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE).entity(error).build();
 113                 }
 114
 115                 String bpUrl = WMAdapterProperties.getProperty(WMAdapterConstants.BPEL_URL_PROP, null);
 116
 117                 if (bpUrl == null) {
 118                         String error = "Missing configuration for: " + WMAdapterConstants.BPEL_URL_PROP;
 119                         LOGGER.error(MessageEnum.RA_CONFIG_EXC, error, "WorkflowMessageAdapter", path,
 120                                 MsoLogger.ErrorCode.DataError, "Configuration Error");
 121                         ALARMLOGGER.sendAlarm("MsoInternalError", MsoAlarmLogger.CRITICAL, error);
 122                         return Response.status(HttpServletResponse.SC_INTERNAL_SERVER_ERROR).entity(error).build();
 123                 }
 124
 125                 long bpStartTime = System.currentTimeMillis();
 126                 BPRestCallback callback = new BPRestCallback();
 127                 boolean callbackSuccess = callback.send(bpUrl, messageType, correlator, contentType, content);
 128
 129                 if (callbackSuccess) {
 130                         LOGGER.recordMetricEvent(bpStartTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc,
 131                                 "Sent notification", "BPMN", bpUrl, null);
 132                         LOGGER.recordAuditEvent(startTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc, "Successful");
 133                 } else {
 134                         LOGGER.recordMetricEvent(bpStartTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.CommunicationError,
 135                                 "Failed to send notification", "BPMN", bpUrl, null);
 136                         LOGGER.recordAuditEvent(startTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.CommunicationError,
 137                                 "Failed to send notification");
 138                 }
 139
 140                 return Response.status(204).build();
 141         }
 142 }