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/*-
* #%L
* MSO
* %%
* Copyright (C) 2016 OPENECOMP - MSO
* %%
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* #L%
*/
package org.openecomp.mso.apihandlerinfra;
import org.openecomp.mso.apihandlerinfra.tasksbeans.*;
import java.util.ArrayList;
import java.util.List;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.Response;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.json.JSONArray;
import org.json.JSONObject;
import org.codehaus.jackson.map.ObjectMapper;
import org.openecomp.mso.apihandler.common.ErrorNumbers;
import org.openecomp.mso.apihandler.common.RequestClient;
import org.openecomp.mso.apihandler.common.RequestClientFactory;
import org.openecomp.mso.apihandler.common.ResponseHandler;
import org.openecomp.mso.logger.MessageEnum;
import org.openecomp.mso.logger.MsoAlarmLogger;
import org.openecomp.mso.logger.MsoLogger;
import org.openecomp.mso.utils.UUIDChecker;
import com.wordnik.swagger.annotations.Api;
import com.wordnik.swagger.annotations.ApiOperation;
@Path("/tasks")
@Api(value="/tasks/{version: [vV]1}",description="Queries of Manual Tasks")
public class TasksHandler {
private static MsoAlarmLogger alarmLogger = new MsoAlarmLogger ();
private static MsoLogger msoLogger = MsoLogger.getMsoLogger (MsoLogger.Catalog.APIH);
public final static String MSO_PROP_APIHANDLER_INFRA = "MSO_PROP_APIHANDLER_INFRA";
public final static String requestUrl = "mso/task/";
@Path("/{version:[vV]1}")
@GET
@ApiOperation(value="Finds Manual Tasks",response=Response.class)
public Response queryFilters (@QueryParam("taskId") String taskId,
@QueryParam("originalRequestId") String originalRequestId,
@QueryParam("subscriptionServiceType") String subscriptionServiceType,
@QueryParam("nfRole") String nfRole,
@QueryParam("buildingBlockName") String buildingBlockName,
@QueryParam("originalRequestDate") String originalRequestDate,
@QueryParam("originalRequestorId") String originalRequestorId,
@PathParam("version") String version) {
Response responseBack = null;
long startTime = System.currentTimeMillis ();
String requestId = UUIDChecker.generateUUID(msoLogger);
MsoLogger.setServiceName ("ManualTasksQuery");
// Generate a Request Id
UUIDChecker.generateUUID(msoLogger);
msoLogger.debug ("Incoming request received for queryFilter with taskId:" + taskId
+ " originalRequestId:" + originalRequestId
+ " subscriptionServiceType:" + subscriptionServiceType
+ " nfRole:" + nfRole
+ " buildingBlockName:" + buildingBlockName
+ " originalRequestDate:" + originalRequestDate
+ " originalRequestorId: " + originalRequestorId);
// Prepare the query string to /task interface
TaskVariables tv = new TaskVariables();
List<TaskVariableValue> tvvList = new ArrayList<>();
if (originalRequestId != null) {
TaskVariableValue tvv = new TaskVariableValue();
tvv.setName("originalRequestId");
tvv.setValue(originalRequestId);
tvv.setOperator("eq");
tvvList.add(tvv);
}
if (subscriptionServiceType != null) {
TaskVariableValue tvv = new TaskVariableValue();
tvv.setName("subscriptionServiceType");
tvv.setValue(subscriptionServiceType);
tvv.setOperator("eq");
tvvList.add(tvv);
}
if (nfRole != null) {
TaskVariableValue tvv = new TaskVariableValue();
tvv.setName("nfRole");
tvv.setValue(nfRole);
tvv.setOperator("eq");
tvvList.add(tvv);
}
if (buildingBlockName != null) {
TaskVariableValue tvv = new TaskVariableValue();
tvv.setName("buildingBlockName");
tvv.setValue(buildingBlockName);
tvv.setOperator("eq");
tvvList.add(tvv);
}
if (originalRequestDate != null) {
TaskVariableValue tvv = new TaskVariableValue();
tvv.setName("originalRequestDate");
tvv.setValue(originalRequestDate);
tvv.setOperator("eq");
tvvList.add(tvv);
}
if (originalRequestorId != null) {
TaskVariableValue tvv = new TaskVariableValue();
tvv.setName("originalRequestorId");
tvv.setValue(originalRequestorId);
tvv.setOperator("eq");
tvvList.add(tvv);
}
tv.setTaskVariables(tvvList);
RequestClient requestClient = null;
MsoRequest msoRequest = new MsoRequest(requestId);
HttpResponse response = null;
long subStartTime = System.currentTimeMillis();
try {
requestClient = RequestClientFactory.getRequestClient (requestUrl, MsoPropertiesUtils.loadMsoProperties ());
// Capture audit event
msoLogger.debug ("MSO API Handler Post call to Camunda engine for url: " + requestClient.getUrl ());
System.out.println("URL : " + requestClient.getUrl ());
ObjectMapper mapper = new ObjectMapper();
String camundaJsonReq = mapper.writeValueAsString(tv);
msoLogger.debug("Camunda Json Request: " + camundaJsonReq);
response = requestClient.post(camundaJsonReq);
msoLogger.recordMetricEvent (subStartTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc, "Successfully received response from BPMN engine", "BPMN", requestUrl, null);
} catch (Exception e) {
msoLogger.recordMetricEvent (subStartTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.CommunicationError, "Exception while communicate with BPMN engine", "BPMN", requestUrl, null);
msoRequest.setStatus (org.openecomp.mso.apihandlerinfra.vnfbeans.RequestStatusType.FAILED);
Response resp = msoRequest.buildServiceErrorResponse (HttpStatus.SC_BAD_GATEWAY,
MsoException.ServiceException,
"Failed calling bpmn " + e.getMessage (),
ErrorNumbers.SVC_NO_SERVER_RESOURCES,
null);
alarmLogger.sendAlarm ("MsoConfigurationError",
MsoAlarmLogger.CRITICAL,
Messages.errors.get (ErrorNumbers.NO_COMMUNICATION_TO_BPEL));
msoRequest.updateFinalStatus (Status.FAILED);
msoLogger.error (MessageEnum.APIH_BPEL_COMMUNICATE_ERROR, MSO_PROP_APIHANDLER_INFRA, "", "", MsoLogger.ErrorCode.AvailabilityError, "Exception while communicate with BPMN engine");
msoLogger.recordAuditEvent (startTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.CommunicationError, "Exception while communicate with BPMN engine");
msoLogger.debug ("End of the transaction, the final response is: " + (String) resp.getEntity (),e);
return resp;
}
TasksGetResponse trr = new TasksGetResponse();
List<TaskList> taskList = new ArrayList<>();
ResponseHandler respHandler = new ResponseHandler (response, requestClient.getType ());
int bpelStatus = respHandler.getStatus ();
if (bpelStatus == HttpStatus.SC_NO_CONTENT || bpelStatus == HttpStatus.SC_ACCEPTED) {
msoLogger.debug ("Received good response from Camunda");
msoLogger.recordAuditEvent (startTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc, "BPMN completed the request");
String respBody = respHandler.getResponseBody();
if (respBody != null) {
JSONArray data = new JSONArray(respBody);
for (int i=0; i<data.length();i++) {
JSONObject taskEntry = data.getJSONObject(i);
String id = taskEntry.getString("id");
msoLogger.debug("taskId is: " + id);
if (taskId != null && !taskId.equals(id)) {
continue;
}
// Get variables info for each task ID
TaskList taskListEntry = null;
try {
taskListEntry = getTaskInfo(id);
msoLogger.recordMetricEvent (subStartTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc, "Successfully received response from BPMN engine", "BPMN", requestUrl, null);
} catch (Exception e) {
msoLogger.recordMetricEvent (subStartTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.CommunicationError, "Exception while communicate with BPMN engine", "BPMN", requestUrl, null);
msoRequest.setStatus (org.openecomp.mso.apihandlerinfra.vnfbeans.RequestStatusType.FAILED);
Response resp = msoRequest.buildServiceErrorResponse (HttpStatus.SC_BAD_GATEWAY,
MsoException.ServiceException,
"Failed calling bpmn " + e.getMessage (),
ErrorNumbers.SVC_NO_SERVER_RESOURCES,
null);
alarmLogger.sendAlarm ("MsoConfigurationError",
MsoAlarmLogger.CRITICAL,
Messages.errors.get (ErrorNumbers.NO_COMMUNICATION_TO_BPEL));
msoLogger.error (MessageEnum.APIH_BPEL_COMMUNICATE_ERROR, MSO_PROP_APIHANDLER_INFRA, "", "", MsoLogger.ErrorCode.AvailabilityError, "Exception while communicate with BPMN engine");
msoLogger.recordAuditEvent (startTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.CommunicationError, "Exception while communicate with BPMN engine");
msoLogger.debug ("End of the transaction, the final response is: " + (String) resp.getEntity (),e);
return resp;
}
taskList.add(taskListEntry);
}
trr.setTaskList(taskList);
}
} else {
msoRequest.setStatus (org.openecomp.mso.apihandlerinfra.vnfbeans.RequestStatusType.FAILED);
Response resp = msoRequest.buildServiceErrorResponse(bpelStatus,
MsoException.ServiceException,
"Request Failed due to BPEL error with HTTP Status= %1" ,
ErrorNumbers.SVC_DETAILED_SERVICE_ERROR,
null);
msoLogger.error (MessageEnum.APIH_BPEL_RESPONSE_ERROR, requestClient.getUrl (), "", "", MsoLogger.ErrorCode.BusinessProcesssError, "Response from BPEL engine is empty");
msoLogger.recordAuditEvent (startTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.InternalError, "Response from BPEL engine is empty");
msoLogger.debug ("End of the transaction, the final response is: " + (String) resp.getEntity ());
return resp;
}
String jsonResponse = null;
try {
ObjectMapper mapper = new ObjectMapper();
jsonResponse = mapper.writeValueAsString(trr);
}
catch (Exception e) {
msoLogger.debug("Unable to format response",e);
Response resp = msoRequest.buildServiceErrorResponse(500,
MsoException.ServiceException,
"Request Failed due to bad response format" ,
ErrorNumbers.SVC_DETAILED_SERVICE_ERROR,
null);
msoLogger.error (MessageEnum.APIH_BPEL_RESPONSE_ERROR, requestClient.getUrl (), "", "", MsoLogger.ErrorCode.BusinessProcesssError, "Bad response format");
msoLogger.recordAuditEvent (startTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.InternalError, "Bad response format");
msoLogger.debug ("End of the transaction, the final response is: " + (String) resp.getEntity ());
return resp;
}
msoLogger.recordAuditEvent (startTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc, "Successful");
responseBack = Response.status (HttpStatus.SC_ACCEPTED).entity (jsonResponse).build ();
return responseBack;
}
protected MsoLogger getMsoLogger () {
return msoLogger;
}
// Makes a GET call to Camunda to get variables for this task
private TaskList getTaskInfo(String taskId) throws Exception {
TaskList taskList;
String getRequestUrl = requestUrl + taskId + "/variables";
HttpResponse getResponse;
long subStartTime = System.currentTimeMillis();
RequestClient requestClient = RequestClientFactory.getRequestClient (getRequestUrl, MsoPropertiesUtils.loadMsoProperties ());
// Capture audit event
msoLogger.debug ("MSO API Handler Get call to Camunda engine for url: " + requestClient.getUrl ());
getResponse = requestClient.get();
ResponseHandler respHandler = new ResponseHandler (getResponse, requestClient.getType ());
int bpelStatus = respHandler.getStatus ();
if (bpelStatus == HttpStatus.SC_ACCEPTED) {
msoLogger.debug ("Received good response from Camunda");
msoLogger.recordAuditEvent (subStartTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc, "BPMN completed the request");
String respBody = respHandler.getResponseBody();
if (respBody != null) {
taskList = buildTaskList(taskId, respBody);
}
else {
throw new Exception("Null task info from Camunda");
}
}
else {
throw new Exception ("Bad GET response from Camunda. Status is " + bpelStatus);
}
return taskList;
}
private TaskList buildTaskList(String taskId, String respBody) {
TaskList taskList = new TaskList();
JSONObject variables = new JSONObject(respBody);
taskList.setTaskId(taskId);
taskList.setType(getOptVariableValue(variables, "type"));
taskList.setNfRole(getOptVariableValue(variables, "nfRole"));
taskList.setSubscriptionServiceType(getOptVariableValue(variables, "subscriptionServiceType"));
taskList.setOriginalRequestId(getOptVariableValue(variables, "originalRequestId"));
taskList.setOriginalRequestorId(getOptVariableValue(variables, "originalRequestorId"));
taskList.setErrorSource(getOptVariableValue(variables, "errorSource"));
taskList.setErrorCode(getOptVariableValue(variables, "errorCode"));
taskList.setErrorMessage(getOptVariableValue(variables, "errorMessage"));
taskList.setBuildingBlockName(getOptVariableValue(variables, "buildingBlockName"));
taskList.setBuildingBlockStep(getOptVariableValue(variables, "buildingBlockStep"));
taskList.setValidResponses(new JSONArray("[" + getOptVariableValue(variables, "validResponses").toLowerCase() + "]"));
return taskList;
}
private String getOptVariableValue(JSONObject variables, String name) {
String variableEntry = variables.optString(name);
String value = "";
if (!variableEntry.isEmpty()) {
JSONObject variableEntryJson = new JSONObject(variableEntry);
value = variableEntryJson.optString("value");
}
return value;
}
}
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