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  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20 package org.openecomp.mso.adapters.workflowmessage;
  21
  22 import javax.servlet.http.HttpServletResponse;
  23 import javax.ws.rs.Consumes;
  24 import javax.ws.rs.GET;
  25 import javax.ws.rs.HEAD;
  26 import javax.ws.rs.POST;
  27 import javax.ws.rs.Path;
  28 import javax.ws.rs.HeaderParam;
  29 import javax.ws.rs.PathParam;
  30 import javax.ws.rs.Produces;
  31 import javax.ws.rs.QueryParam;
  32 import javax.ws.rs.core.Context;
  33 import javax.ws.rs.core.HttpHeaders;
  34 import javax.ws.rs.core.MediaType;
  35 import javax.ws.rs.core.Response;
  36
  37 import org.apache.http.entity.ContentType;
  38
  39 import org.openecomp.mso.HealthCheckUtils;
  40 import org.openecomp.mso.logger.MessageEnum;
  41 import org.openecomp.mso.logger.MsoAlarmLogger;
  42 import org.openecomp.mso.logger.MsoLogger;
  43 import org.openecomp.mso.utils.UUIDChecker;
  44
  45 /**
  46  * Workflow Message Adapter interface added in 1707.  Supports delivery of
  47  * callbacks from external systems to waiting BPMN workflows.
  48  */
  49 @Path("/")
  50 public class WMAdapterRest {
  51         private static final MsoLogger LOGGER = MsoLogger.getMsoLogger(MsoLogger.Catalog.RA);
  52         private static final MsoAlarmLogger ALARMLOGGER = new MsoAlarmLogger();
  53
  54         @HEAD
  55         @GET
  56         @Path("/healthcheck")
  57         @Produces(MediaType.TEXT_HTML)
  58         public Response healthcheck(@QueryParam("requestId") String requestId) {
  59                 long startTime = System.currentTimeMillis();
  60                 MsoLogger.setServiceName("Healthcheck");
  61                 UUIDChecker.verifyOldUUID(requestId, LOGGER);
  62                 HealthCheckUtils healthCheck = new HealthCheckUtils();
  63
  64                 if (!healthCheck.siteStatusCheck(LOGGER, startTime)) {
  65                         return HealthCheckUtils.HEALTH_CHECK_NOK_RESPONSE;
  66                 }
  67
  68                 if (!healthCheck.configFileCheck(LOGGER, startTime, WMAdapterConstants.MSO_PROPERTIES_ID)) {
  69                         return HealthCheckUtils.NOT_STARTED_RESPONSE;
  70                 }
  71
  72                 LOGGER.debug("healthcheck - Successful");
  73                 return HealthCheckUtils.HEALTH_CHECK_RESPONSE;
  74         }
  75
  76         /**
  77          * Receives a message from a remote system.
  78          * @param content the message content
  79          */
  80         @POST
  81         @Path("/message/{messageType}/{correlator}")
  82         @Consumes("*/*")
  83         @Produces({MediaType.TEXT_PLAIN})
  84         public Response receiveWorkflowMessage(
  85                         @HeaderParam("Content-Type") String contentTypeHeader,
  86                         @PathParam("messageType") String messageType,
  87                         @PathParam("correlator") String correlator,
  88                         String content) {
  89
  90                 String path= "workflow/" + messageType + "/" + correlator;
  91                 LOGGER.info(MessageEnum.RA_RECEIVE_WORKFLOW_MESSAGE, content, "WorkflowMessageAdapter", path);
  92
  93                 long startTime = System.currentTimeMillis();
  94
  95                 ContentType contentType = null;
  96
  97                 if (contentTypeHeader != null) {
  98                         try {
  99                                 contentType = ContentType.parse(contentTypeHeader);
 100                         } catch (Exception e) {
 101                                 // If we don't get a valid one, we handle it below.
 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 }