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 javax.inject.Inject;
  40 import org.apache.commons.lang3.StringUtils;
  41 import org.json.simple.JSONArray;
  42 import org.json.simple.parser.JSONParser;
  43 import org.json.simple.parser.ParseException;
  44 import org.openecomp.sdc.be.components.impl.ComponentInstanceBusinessLogic;
  45 import org.openecomp.sdc.be.components.impl.GroupBusinessLogic;
  46 import org.openecomp.sdc.be.components.impl.InterfaceOperationBusinessLogic;
  47 import org.openecomp.sdc.be.components.impl.ServiceBusinessLogic;
  48 import org.openecomp.sdc.be.config.BeEcompErrorManager;
  49 import org.openecomp.sdc.be.dao.api.ActionStatus;
  50 import org.openecomp.sdc.be.datatypes.elements.OperationInputDefinition;
  51 import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
  52 import org.openecomp.sdc.be.impl.ComponentsUtils;
  53 import org.openecomp.sdc.be.model.Operation;
  54 import org.openecomp.sdc.be.model.OperationInput;
  55 import org.openecomp.sdc.be.model.User;
  56 import org.openecomp.sdc.be.model.tosca.ToscaFunctions;
  57 import org.openecomp.sdc.be.resources.data.auditing.AuditingActionEnum;
  58 import org.openecomp.sdc.be.types.ServiceConsumptionData;
  59 import org.openecomp.sdc.be.types.ServiceConsumptionSource;
  60 import org.openecomp.sdc.be.user.UserBusinessLogic;
  61 import org.openecomp.sdc.common.api.Constants;
  62 import org.openecomp.sdc.exception.ResponseFormat;
  63 import org.slf4j.Logger;
  64 import org.slf4j.LoggerFactory;
  65
  66 import javax.inject.Singleton;
  67 import javax.servlet.ServletContext;
  68 import javax.servlet.http.HttpServletRequest;
  69 import javax.ws.rs.Consumes;
  70 import javax.ws.rs.GET;
  71 import javax.ws.rs.HeaderParam;
  72 import javax.ws.rs.POST;
  73 import javax.ws.rs.Path;
  74 import javax.ws.rs.PathParam;
  75 import javax.ws.rs.Produces;
  76 import javax.ws.rs.core.Context;
  77 import javax.ws.rs.core.MediaType;
  78 import javax.ws.rs.core.Response;
  79
  80 @Loggable(prepend = true, value = Loggable.DEBUG, trim = false)
  81 @Path("/v1/catalog")
  82 @Api(value = "Service Consumption Servlet", description = "Service Consumption Servlet")
  83 @Singleton
  84 public class ServiceConsumptionServlet extends BeGenericServlet {
  85
  86   private static final Logger log = LoggerFactory.getLogger(ServiceConsumptionServlet.class);
  87   private final InterfaceOperationBusinessLogic interfaceOperationBusinessLogic;
  88     private final ServiceBusinessLogic serviceBusinessLogic;
  89
  90     @Inject
  91     public ServiceConsumptionServlet(UserBusinessLogic userBusinessLogic,
  92         ComponentsUtils componentsUtils,
  93         InterfaceOperationBusinessLogic interfaceOperationBusinessLogic,
  94         ServiceBusinessLogic serviceBusinessLogic) {
  95         super(userBusinessLogic, componentsUtils);
  96         this.interfaceOperationBusinessLogic = interfaceOperationBusinessLogic;
  97         this.serviceBusinessLogic = serviceBusinessLogic;
  98     }
  99
 100   @POST
 101   @Path("/services/{serviceId}/consumption/{serviceInstanceId}")
 102   @Consumes(MediaType.APPLICATION_JSON)
 103   @Produces(MediaType.APPLICATION_JSON)
 104   @ApiOperation(value = "Service consumption on operation", httpMethod = "POST",
 105       notes = "Returns consumption data", response = Response.class)
 106       @ApiResponses(value = { @ApiResponse(code = 201, message = "Service property created"),
 107       @ApiResponse(code = 403, message = "Restricted operation"), @ApiResponse(code = 400, message = "Invalid content / Missing content"),
 108       @ApiResponse(code = 409, message = "Service property already exist") })
 109   public Response addInputToServiceOperation(@PathParam("serviceId")final String serviceId,
 110                                              @PathParam("serviceInstanceId")final String serviceInstanceId,
 111                                              @ApiParam(value = "Service Consumption Data", required = true) String data,
 112                                              @Context final HttpServletRequest request,
 113                                              @HeaderParam(value = Constants.USER_ID_HEADER) String userId) {
 114     ServletContext context = request.getSession().getServletContext();
 115
 116     String url = request.getMethod() + " " + request.getRequestURI();
 117     log.debug("Start handle request of {} modifier id is {} data is {}", url, userId, data);
 118     User modifier = new User();
 119     modifier.setUserId(userId);
 120
 121     try {
 122
 123       Either<Map<String, List<ServiceConsumptionData>>, ResponseFormat> dataFromJson =
 124           getServiceConsumptionData(data, modifier);
 125       if(dataFromJson.isRight()) {
 126         return buildErrorResponse(dataFromJson.right().value());
 127       }
 128
 129       Map<String, List<ServiceConsumptionData>> serviceConsumptionDataMap = dataFromJson.left().value();
 130
 131       for(Entry<String, List<ServiceConsumptionData>> consumptionEntry : serviceConsumptionDataMap.entrySet()) {
 132         List<ServiceConsumptionData> consumptionList = consumptionEntry.getValue();
 133         Either<List<Operation>, ResponseFormat> operationEither =
 134             serviceBusinessLogic.addServiceConsumptionData(serviceId, serviceInstanceId,
 135                 consumptionEntry.getKey(), consumptionList, userId);
 136         if (operationEither.isRight()) {
 137           return buildErrorResponse(operationEither.right().value());
 138         }
 139       }
 140
 141       return buildOkResponse(serviceConsumptionDataMap);
 142
 143     }
 144     catch (Exception e) {
 145       BeEcompErrorManager.getInstance().logBeRestApiGeneralError("Create Operation Inputs");
 146       log.debug("Create Operation Inputs failed with exception", e);
 147       ResponseFormat responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.GENERAL_ERROR);
 148       return buildErrorResponse(responseFormat);
 149     }
 150
 151   }
 152
 153   @GET
 154   @Path("/services/{serviceId}/consumption/{serviceInstanceId}/interfaces/{interfaceId}/operations/{operationId}/inputs")
 155   @Consumes(MediaType.APPLICATION_JSON)
 156   @Produces(MediaType.APPLICATION_JSON)
 157   public Response getInputsListOfOperation(@PathParam("serviceId")final String serviceId,
 158                                            @PathParam("serviceInstanceId")final String serviceInstanceId,
 159                                            @PathParam("interfaceId")final String interfaceId,
 160                                            @PathParam("operationId")final String operationId,
 161                                            @Context final HttpServletRequest request,
 162                                            @HeaderParam(value = Constants.USER_ID_HEADER) String userId) {
 163
 164     String url = request.getMethod() + " " + request.getRequestURI();
 165     log.debug("Start handle request of {} modifier id is {}", url, userId);
 166     User user = new User();
 167     user.setUserId(userId);
 168
 169     try {
 170       Either<List<OperationInputDefinition>, ResponseFormat> inputsEither =
 171           interfaceOperationBusinessLogic.getInputsListForOperation(serviceId, serviceInstanceId, interfaceId, operationId, user);
 172
 173       if(inputsEither.isRight()) {
 174         return buildErrorResponse(inputsEither.right().value());
 175       }
 176
 177       List<OperationInputDefinition> inputs = inputsEither.left().value();
 178                 return buildOkResponse(updateOperationInputListForUi(inputs, interfaceOperationBusinessLogic));
 179     }
 180     catch (Exception e) {
 181       BeEcompErrorManager.getInstance().logBeRestApiGeneralError("Get Operation Inputs");
 182       log.debug("Get Operation Inputs failed with exception", e);
 183       ResponseFormat responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.GENERAL_ERROR);
 184       return buildErrorResponse(responseFormat);
 185     }
 186   }
 187
 188         private List<OperationInput> updateOperationInputListForUi(List<OperationInputDefinition> inputsList,
 189                                                                                                                            InterfaceOperationBusinessLogic interfaceOperationBL) {
 190                 List<OperationInput> operationInputs = new ArrayList<>();
 191                 for(OperationInputDefinition input : inputsList) {
 192
 193                         String value = input.getValue();
 194
 195                         // Additional UI mapping needed for other sources
 196                         if (StringUtils.isNotBlank(value)
 197                                         && !ServiceConsumptionSource.STATIC.getSource().equals(input.getSource())) {
 198                                 uiMappingForOtherSources(value, input);
 199                         }
 200
 201                         // Add Constraint for UI
 202                         OperationInput operationInput = new OperationInput(input);
 203                         operationInput.setConstraints(interfaceOperationBL.setInputConstraint(input));
 204                         operationInputs.add(operationInput);
 205                 }
 206
 207                 return operationInputs;
 208         }
 209
 210         private void uiMappingForOtherSources(String value, OperationInputDefinition input) {
 211                 try {
 212                         Map<String, Object> valueAsMap = (new Gson()).fromJson(value, Map.class);
 213                         String toscaFunction = valueAsMap.keySet().iterator().next();
 214                         Object consumptionValueName = valueAsMap.values().iterator().next();
 215                         if(consumptionValueName instanceof List) {
 216                                 List<Object> toscaFunctionList = (List<Object>) consumptionValueName;
 217                                 String consumptionInputValue = null;
 218                                 if (ToscaFunctions.GET_PROPERTY.getFunctionName().equals(toscaFunction)) {
 219                                         String propertyValue = toscaFunctionList.stream()
 220                                                         .map(Object::toString)
 221                                                         .filter(val -> !val.equals(SELF))
 222                                                         .collect(Collectors.joining("_"));
 223                                         consumptionInputValue = String.valueOf(propertyValue);
 224                                 } else if (ToscaFunctions.GET_OPERATION_OUTPUT.getFunctionName().equals(toscaFunction)) {
 225                                         //Return full output name
 226                                         consumptionInputValue =
 227                                                         toscaFunctionList.get(1) + "." + toscaFunctionList.get(2) + "." +toscaFunctionList.get(3);
 228                                 }
 229                                 input.setValue(consumptionInputValue);
 230                         } else {
 231                                 input.setValue(String.valueOf(consumptionValueName));
 232                         }
 233                 }
 234                 catch(JsonParseException ex){
 235                         log.info("This means it is static value for which no changes are needed");
 236                 }
 237         }
 238
 239   private Either<Map<String, List<ServiceConsumptionData>>, ResponseFormat> getServiceConsumptionData(String data,
 240                                                                                                       User user) {
 241     JSONParser parser = new JSONParser();
 242     Map<String, List<ServiceConsumptionData>> serviceConsumptionDataMap = new HashMap<>();
 243
 244     try {
 245       JSONArray operationsArray = (JSONArray) parser.parse(data);
 246       Iterator iterator = operationsArray.iterator();
 247       while (iterator.hasNext()) {
 248         Map next = (Map) iterator.next();
 249         Entry consumptionEntry = (Entry) next.entrySet().iterator().next();
 250         String operationId = (String) consumptionEntry.getKey();
 251         Object value = consumptionEntry.getValue();
 252
 253         JSONArray inputsArray = (JSONArray) parser.parse(value.toString());
 254         serviceConsumptionDataMap.putIfAbsent(operationId, new ArrayList<>());
 255         for(Object consumptionObject : inputsArray) {
 256           Either<ServiceConsumptionData, ResponseFormat> serviceDataEither =
 257               getComponentsUtils()
 258                   .convertJsonToObjectUsingObjectMapper(consumptionObject.toString(), user, ServiceConsumptionData
 259                       .class, AuditingActionEnum.CREATE_RESOURCE, ComponentTypeEnum.SERVICE);
 260           if(serviceDataEither.isRight()) {
 261             return Either.right(serviceDataEither.right().value());
 262           }
 263
 264           serviceConsumptionDataMap.get(operationId).add(serviceDataEither.left().value());
 265         }
 266       }
 267     }
 268     catch (ParseException e) {
 269       log.info("Conetnt is invalid - {}", data);
 270       return Either.right(getComponentsUtils().getResponseFormat(ActionStatus.INVALID_CONTENT));
 271     }
 272     return Either.left(serviceConsumptionDataMap);
 273   }
 274 }