catalog-be/src/main/java/org/openecomp/sdc/be/servlets/ServiceConsumptionServlet.java

   1 /*
   2  * Copyright © 2016-2018 European Support Limited
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.openecomp.sdc.be.servlets;
  18
  19 import static org.openecomp.sdc.be.tosca.utils.InterfacesOperationsToscaUtil.SELF;
  20
  21 import com.google.gson.Gson;
  22 import com.google.gson.JsonParseException;
  23 import com.jcabi.aspects.Loggable;
  24
  25 import java.util.ArrayList;
  26 import java.util.HashMap;
  27 import java.util.Iterator;
  28 import java.util.List;
  29 import java.util.Map;
  30 import java.util.Map.Entry;
  31 import java.util.stream.Collectors;
  32
  33 import fj.data.Either;
  34 import io.swagger.annotations.Api;
  35 import io.swagger.annotations.ApiOperation;
  36 import io.swagger.annotations.ApiParam;
  37 import io.swagger.annotations.ApiResponse;
  38 import io.swagger.annotations.ApiResponses;
  39 import org.apache.commons.lang3.StringUtils;
  40 import org.json.simple.JSONArray;
  41 import org.json.simple.parser.JSONParser;
  42 import org.json.simple.parser.ParseException;
  43 import org.openecomp.sdc.be.components.impl.InterfaceOperationBusinessLogic;
  44 import org.openecomp.sdc.be.components.impl.ServiceBusinessLogic;
  45 import org.openecomp.sdc.be.config.BeEcompErrorManager;
  46 import org.openecomp.sdc.be.dao.api.ActionStatus;
  47 import org.openecomp.sdc.be.datatypes.elements.OperationInputDefinition;
  48 import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
  49 import org.openecomp.sdc.be.model.Operation;
  50 import org.openecomp.sdc.be.model.OperationInput;
  51 import org.openecomp.sdc.be.model.User;
  52 import org.openecomp.sdc.be.model.tosca.ToscaFunctions;
  53 import org.openecomp.sdc.be.resources.data.auditing.AuditingActionEnum;
  54 import org.openecomp.sdc.be.types.ServiceConsumptionData;
  55 import org.openecomp.sdc.be.types.ServiceConsumptionSource;
  56 import org.openecomp.sdc.common.api.Constants;
  57 import org.openecomp.sdc.exception.ResponseFormat;
  58 import org.slf4j.Logger;
  59 import org.slf4j.LoggerFactory;
  60
  61 import javax.inject.Singleton;
  62 import javax.servlet.ServletContext;
  63 import javax.servlet.http.HttpServletRequest;
  64 import javax.ws.rs.Consumes;
  65 import javax.ws.rs.GET;
  66 import javax.ws.rs.HeaderParam;
  67 import javax.ws.rs.POST;
  68 import javax.ws.rs.Path;
  69 import javax.ws.rs.PathParam;
  70 import javax.ws.rs.Produces;
  71 import javax.ws.rs.core.Context;
  72 import javax.ws.rs.core.MediaType;
  73 import javax.ws.rs.core.Response;
  74
  75 @Loggable(prepend = true, value = Loggable.DEBUG, trim = false)
  76 @Path("/v1/catalog")
  77 @Api(value = "Service Consumption Servlet", description = "Service Consumption Servlet")
  78 @Singleton
  79 public class ServiceConsumptionServlet extends BeGenericServlet {
  80
  81   private static final Logger log = LoggerFactory.getLogger(ServiceConsumptionServlet.class);
  82
  83   @POST
  84   @Path("/services/{serviceId}/consumption/{serviceInstanceId}")
  85   @Consumes(MediaType.APPLICATION_JSON)
  86   @Produces(MediaType.APPLICATION_JSON)
  87   @ApiOperation(value = "Service consumption on operation", httpMethod = "POST",
  88       notes = "Returns consumption data", response = Response.class)
  89       @ApiResponses(value = { @ApiResponse(code = 201, message = "Service property created"),
  90       @ApiResponse(code = 403, message = "Restricted operation"), @ApiResponse(code = 400, message = "Invalid content / Missing content"),
  91       @ApiResponse(code = 409, message = "Service property already exist") })
  92   public Response addInputToServiceOperation(@PathParam("serviceId")final String serviceId,
  93                                              @PathParam("serviceInstanceId")final String serviceInstanceId,
  94                                              @ApiParam(value = "Service Consumption Data", required = true) String data,
  95                                              @Context final HttpServletRequest request,
  96                                              @HeaderParam(value = Constants.USER_ID_HEADER) String userId) {
  97     ServletContext context = request.getSession().getServletContext();
  98
  99     String url = request.getMethod() + " " + request.getRequestURI();
 100     log.debug("Start handle request of {} modifier id is {} data is {}", url, userId, data);
 101     User modifier = new User();
 102     modifier.setUserId(userId);
 103
 104     try {
 105
 106       Either<Map<String, List<ServiceConsumptionData>>, ResponseFormat> dataFromJson =
 107           getServiceConsumptionData(data, modifier);
 108       if(dataFromJson.isRight()) {
 109         return buildErrorResponse(dataFromJson.right().value());
 110       }
 111
 112       Map<String, List<ServiceConsumptionData>> serviceConsumptionDataMap = dataFromJson.left().value();
 113       ServiceBusinessLogic serviceBL = getServiceBL(context);
 114
 115       for(Entry<String, List<ServiceConsumptionData>> consumptionEntry : serviceConsumptionDataMap.entrySet()) {
 116         List<ServiceConsumptionData> consumptionList = consumptionEntry.getValue();
 117         Either<List<Operation>, ResponseFormat> operationEither =
 118             serviceBL.addServiceConsumptionData(serviceId, serviceInstanceId,
 119                 consumptionEntry.getKey(), consumptionList, userId);
 120         if (operationEither.isRight()) {
 121           return buildErrorResponse(operationEither.right().value());
 122         }
 123       }
 124
 125       return buildOkResponse(serviceConsumptionDataMap);
 126
 127     }
 128     catch (Exception e) {
 129       BeEcompErrorManager.getInstance().logBeRestApiGeneralError("Create Operation Inputs");
 130       log.debug("Create Operation Inputs failed with exception", e);
 131       ResponseFormat responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.GENERAL_ERROR);
 132       return buildErrorResponse(responseFormat);
 133     }
 134
 135   }
 136
 137   @GET
 138   @Path("/services/{serviceId}/consumption/{serviceInstanceId}/interfaces/{interfaceId}/operations/{operationId}/inputs")
 139   @Consumes(MediaType.APPLICATION_JSON)
 140   @Produces(MediaType.APPLICATION_JSON)
 141   public Response getInputsListOfOperation(@PathParam("serviceId")final String serviceId,
 142                                            @PathParam("serviceInstanceId")final String serviceInstanceId,
 143                                            @PathParam("interfaceId")final String interfaceId,
 144                                            @PathParam("operationId")final String operationId,
 145                                            @Context final HttpServletRequest request,
 146                                            @HeaderParam(value = Constants.USER_ID_HEADER) String userId) {
 147
 148     ServletContext context = request.getSession().getServletContext();
 149
 150     String url = request.getMethod() + " " + request.getRequestURI();
 151     log.debug("Start handle request of {} modifier id is {}", url, userId);
 152     User user = new User();
 153     user.setUserId(userId);
 154
 155     try {
 156       InterfaceOperationBusinessLogic interfaceOperationBL = getInterfaceOperationBL(context);
 157       Either<List<OperationInputDefinition>, ResponseFormat> inputsEither =
 158           interfaceOperationBL.getInputsListForOperation(serviceId, serviceInstanceId, interfaceId, operationId, user);
 159
 160       if(inputsEither.isRight()) {
 161         return buildErrorResponse(inputsEither.right().value());
 162       }
 163
 164       List<OperationInputDefinition> inputs = inputsEither.left().value();
 165                 return buildOkResponse(updateOperationInputListForUi(inputs, interfaceOperationBL));
 166     }
 167     catch (Exception e) {
 168       BeEcompErrorManager.getInstance().logBeRestApiGeneralError("Get Operation Inputs");
 169       log.debug("Get Operation Inputs failed with exception", e);
 170       ResponseFormat responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.GENERAL_ERROR);
 171       return buildErrorResponse(responseFormat);
 172     }
 173   }
 174
 175         private List<OperationInput> updateOperationInputListForUi(List<OperationInputDefinition> inputsList,
 176                                                                                                                            InterfaceOperationBusinessLogic interfaceOperationBL) {
 177                 List<OperationInput> operationInputs = new ArrayList<>();
 178                 for(OperationInputDefinition input : inputsList) {
 179
 180                         String value = input.getValue();
 181
 182                         // Additional UI mapping needed for other sources
 183                         if (StringUtils.isNotBlank(value)
 184                                         && !ServiceConsumptionSource.STATIC.getSource().equals(input.getSource())) {
 185                                 uiMappingForOtherSources(value, input);
 186                         }
 187
 188                         // Add Constraint for UI
 189                         OperationInput operationInput = new OperationInput(input);
 190                         operationInput.setConstraints(interfaceOperationBL.setInputConstraint(input));
 191                         operationInputs.add(operationInput);
 192                 }
 193
 194                 return operationInputs;
 195         }
 196
 197         private void uiMappingForOtherSources(String value, OperationInputDefinition input) {
 198                 try {
 199                         Map<String, Object> valueAsMap = (new Gson()).fromJson(value, Map.class);
 200                         String toscaFunction = valueAsMap.keySet().iterator().next();
 201                         Object consumptionValueName = valueAsMap.values().iterator().next();
 202                         if(consumptionValueName instanceof List) {
 203                                 List<Object> toscaFunctionList = (List<Object>) consumptionValueName;
 204                                 String consumptionInputValue = null;
 205                                 if (ToscaFunctions.GET_PROPERTY.getFunctionName().equals(toscaFunction)) {
 206                                         String propertyValue = toscaFunctionList.stream()
 207                                                         .map(Object::toString)
 208                                                         .filter(val -> !val.equals(SELF))
 209                                                         .collect(Collectors.joining("_"));
 210                                         consumptionInputValue = String.valueOf(propertyValue);
 211                                 } else if (ToscaFunctions.GET_OPERATION_OUTPUT.getFunctionName().equals(toscaFunction)) {
 212                                         //Return full output name
 213                                         consumptionInputValue =
 214                                                         toscaFunctionList.get(1) + "." + toscaFunctionList.get(2) + "." +toscaFunctionList.get(3);
 215                                 }
 216                                 input.setValue(consumptionInputValue);
 217                         } else {
 218                                 input.setValue(String.valueOf(consumptionValueName));
 219                         }
 220                 }
 221                 catch(JsonParseException ex){
 222                         log.info("This means it is static value for which no changes are needed");
 223                 }
 224         }
 225
 226   private Either<Map<String, List<ServiceConsumptionData>>, ResponseFormat> getServiceConsumptionData(String data,
 227                                                                                                       User user) {
 228     JSONParser parser = new JSONParser();
 229     Map<String, List<ServiceConsumptionData>> serviceConsumptionDataMap = new HashMap<>();
 230
 231     try {
 232       JSONArray operationsArray = (JSONArray) parser.parse(data);
 233       Iterator iterator = operationsArray.iterator();
 234       while (iterator.hasNext()) {
 235         Map next = (Map) iterator.next();
 236         Entry consumptionEntry = (Entry) next.entrySet().iterator().next();
 237         String operationId = (String) consumptionEntry.getKey();
 238         Object value = consumptionEntry.getValue();
 239
 240         JSONArray inputsArray = (JSONArray) parser.parse(value.toString());
 241         serviceConsumptionDataMap.putIfAbsent(operationId, new ArrayList<>());
 242         for(Object consumptionObject : inputsArray) {
 243           Either<ServiceConsumptionData, ResponseFormat> serviceDataEither =
 244               getComponentsUtils()
 245                   .convertJsonToObjectUsingObjectMapper(consumptionObject.toString(), user, ServiceConsumptionData
 246                       .class, AuditingActionEnum.CREATE_RESOURCE, ComponentTypeEnum.SERVICE);
 247           if(serviceDataEither.isRight()) {
 248             return Either.right(serviceDataEither.right().value());
 249           }
 250
 251           serviceConsumptionDataMap.get(operationId).add(serviceDataEither.left().value());
 252         }
 253       }
 254     }
 255     catch (ParseException e) {
 256       log.info("Conetnt is invalid - {}", data);
 257       return Either.right(getComponentsUtils().getResponseFormat(ActionStatus.INVALID_CONTENT));
 258     }
 259     return Either.left(serviceConsumptionDataMap);
 260   }
 261 }