adapters/mso-workflow-message-adapter/src/main/java/org/openecomp/mso/adapters/workflowmessage/WMAdapterRest.java

   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.MediaType;
  34 import javax.ws.rs.core.Response;
  35
  36 import org.apache.http.entity.ContentType;
  37
  38 import org.openecomp.mso.HealthCheckUtils;
  39 import org.openecomp.mso.logger.MessageEnum;
  40 import org.openecomp.mso.logger.MsoAlarmLogger;
  41 import org.openecomp.mso.logger.MsoLogger;
  42 import org.openecomp.mso.utils.UUIDChecker;
  43
  44 /**
  45  * Workflow Message Adapter interface added in 1707.  Supports delivery of
  46  * callbacks from external systems to waiting BPMN workflows.
  47  */
  48 @Path("/")
  49 public class WMAdapterRest {
  50         private static final MsoLogger LOGGER = MsoLogger.getMsoLogger(MsoLogger.Catalog.RA);
  51         private static final MsoAlarmLogger ALARMLOGGER = new MsoAlarmLogger();
  52
  53         @HEAD
  54         @GET
  55         @Path("/healthcheck")
  56         @Produces(MediaType.TEXT_HTML)
  57         public Response healthcheck(@QueryParam("requestId") String requestId) {
  58                 long startTime = System.currentTimeMillis();
  59                 MsoLogger.setServiceName("Healthcheck");
  60                 UUIDChecker.verifyOldUUID(requestId, LOGGER);
  61                 HealthCheckUtils healthCheck = new HealthCheckUtils();
  62
  63                 if (!healthCheck.siteStatusCheck(LOGGER)) {
  64                         return HealthCheckUtils.HEALTH_CHECK_NOK_RESPONSE;
  65                 }
  66
  67                 if (!healthCheck.configFileCheck(LOGGER, startTime, WMAdapterConstants.MSO_PROPERTIES_ID)) {
  68                         return HealthCheckUtils.NOT_STARTED_RESPONSE;
  69                 }
  70
  71                 LOGGER.debug("healthcheck - Successful");
  72                 return HealthCheckUtils.HEALTH_CHECK_RESPONSE;
  73         }
  74
  75         /**
  76          * Receives a message from a remote system.
  77          * @param content the message content
  78          */
  79         @POST
  80         @Path("/message/{messageType}/{correlator}")
  81         @Consumes("*/*")
  82         @Produces({MediaType.TEXT_PLAIN})
  83         public Response receiveWorkflowMessage(
  84                         @HeaderParam("Content-Type") String contentTypeHeader,
  85                         @PathParam("messageType") String messageType,
  86                         @PathParam("correlator") String correlator,
  87                         String content) {
  88
  89                 String path= "workflow/" + messageType + "/" + correlator;
  90                 LOGGER.info(MessageEnum.RA_RECEIVE_WORKFLOW_MESSAGE, content, "WorkflowMessageAdapter", path);
  91
  92                 long startTime = System.currentTimeMillis();
  93
  94                 ContentType contentType = null;
  95
  96                 if (contentTypeHeader != null) {
  97                         try {
  98                                 contentType = ContentType.parse(contentTypeHeader);
  99                         } catch (Exception e) {
 100                                 // If we don't get a valid one, we handle it below.
 101                                 LOGGER.debug("Exception :",e);
 102                         }
 103                 }
 104
 105                 if (contentType == null && content != null) {
 106                         String error = "Missing or Invalid Content-Type";
 107                         LOGGER.error(MessageEnum.RA_PARSING_REQUEST_ERROR, error, "WorkflowMessageAdapter", path,
 108                                 MsoLogger.ErrorCode.DataError, "Bad Request");
 109                         ALARMLOGGER.sendAlarm("MsoInternalError", MsoAlarmLogger.CRITICAL, error);
 110                         return Response.status(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE).entity(error).build();
 111                 }
 112
 113                 String bpUrl = WMAdapterProperties.getProperty(WMAdapterConstants.BPEL_URL_PROP, null);
 114
 115                 if (bpUrl == null) {
 116                         String error = "Missing configuration for: " + WMAdapterConstants.BPEL_URL_PROP;
 117                         LOGGER.error(MessageEnum.RA_CONFIG_EXC, error, "WorkflowMessageAdapter", path,
 118                                 MsoLogger.ErrorCode.DataError, "Configuration Error");
 119                         ALARMLOGGER.sendAlarm("MsoInternalError", MsoAlarmLogger.CRITICAL, error);
 120                         return Response.status(HttpServletResponse.SC_INTERNAL_SERVER_ERROR).entity(error).build();
 121                 }
 122
 123                 long bpStartTime = System.currentTimeMillis();
 124                 BPRestCallback callback = new BPRestCallback();
 125                 boolean callbackSuccess = callback.send(bpUrl, messageType, correlator, contentType, content);
 126
 127                 if (callbackSuccess) {
 128                         LOGGER.recordMetricEvent(bpStartTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc,
 129                                 "Sent notification", "BPMN", bpUrl, null);
 130                         LOGGER.recordAuditEvent(startTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc, "Successful");
 131                 } else {
 132                         LOGGER.recordMetricEvent(bpStartTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.CommunicationError,
 133                                 "Failed to send notification", "BPMN", bpUrl, null);
 134                         LOGGER.recordAuditEvent(startTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.CommunicationError,
 135                                 "Failed to send notification");
 136                 }
 137
 138                 return Response.status(204).build();
 139         }
 140 }