gerrit.onap Code Review - sdc.git/blob

   1 /*
   2  * Copyright © 2016-2017 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.validation.impl.validators.namingconvention;
  18
  19 import static java.util.Objects.nonNull;
  20
  21 import java.util.ArrayList;
  22 import java.util.Arrays;
  23 import java.util.Collection;
  24 import java.util.Comparator;
  25 import java.util.HashMap;
  26 import java.util.LinkedList;
  27 import java.util.List;
  28 import java.util.Map;
  29 import java.util.Objects;
  30 import java.util.TreeMap;
  31
  32 import org.apache.commons.collections4.MapUtils;
  33 import org.apache.commons.lang3.tuple.ImmutablePair;
  34 import org.apache.commons.lang3.tuple.Pair;
  35 import org.openecomp.core.validation.ErrorMessageCode;
  36 import org.openecomp.core.validation.errors.ErrorMessagesFormatBuilder;
  37 import org.openecomp.core.validation.types.GlobalValidationContext;
  38 import org.openecomp.sdc.common.errors.Messages;
  39 import org.openecomp.sdc.datatypes.error.ErrorLevel;
  40 import org.openecomp.sdc.heat.datatypes.DefinedHeatParameterTypes;
  41 import org.openecomp.sdc.heat.datatypes.model.Environment;
  42 import org.openecomp.sdc.heat.datatypes.model.HeatOrchestrationTemplate;
  43 import org.openecomp.sdc.heat.datatypes.model.HeatResourcesTypes;
  44 import org.openecomp.sdc.heat.datatypes.model.Resource;
  45 import org.openecomp.sdc.heat.datatypes.model.ResourceReferenceFunctions;
  46 import org.openecomp.sdc.heat.services.HeatStructureUtil;
  47 import org.openecomp.sdc.validation.ResourceValidator;
  48 import org.openecomp.sdc.validation.ValidationContext;
  49 import org.openecomp.sdc.validation.type.NamingConventionValidationContext;
  50 import org.openecomp.sdc.validation.util.ValidationUtil;
  51
  52 public class NovaServerNamingConventionGuideLineValidator implements ResourceValidator {
  53   private static final String AVAILABILITY_ZONE = "availability_zone";
  54   private static final String SERVER = "Server";
  55   private static final ErrorMessageCode ERROR_CODE_NNS1 = new ErrorMessageCode("NNS1");
  56   private static final ErrorMessageCode ERROR_CODE_NNS2 = new ErrorMessageCode("NNS2");
  57   private static final ErrorMessageCode ERROR_CODE_NNS3 = new ErrorMessageCode("NNS3");
  58   private static final ErrorMessageCode ERROR_CODE_NNS4 = new ErrorMessageCode("NNS4");
  59   private static final ErrorMessageCode ERROR_CODE_NNS5 = new ErrorMessageCode("NNS5");
  60   private static final ErrorMessageCode ERROR_CODE_NNS6 = new ErrorMessageCode("NNS6");
  61   private static final ErrorMessageCode ERROR_CODE_NNS7 = new ErrorMessageCode("NNS7");
  62   private static final ErrorMessageCode ERROR_CODE_NNS8 = new ErrorMessageCode("NNS8");
  63   private static final ErrorMessageCode ERROR_CODE_NNS9 = new ErrorMessageCode("NNS9");
  64   private static final ErrorMessageCode ERROR_CODE_NNS10 = new ErrorMessageCode("NNS10");
  65   private static final ErrorMessageCode ERROR_CODE_NNS11 = new ErrorMessageCode("NNS11");
  66   private static final ErrorMessageCode ERROR_CODE_NNS12 = new ErrorMessageCode("NNS12");
  67   private static final ErrorMessageCode ERROR_CODE_NNS13 = new ErrorMessageCode("NNS13");
  68   private static final ErrorMessageCode ERROR_CODE_NNS14 = new ErrorMessageCode("NNS14");
  69
  70   @Override
  71   public void validate(String fileName, Map.Entry<String, Resource> resourceEntry,
  72                        GlobalValidationContext globalContext, ValidationContext validationContext) {
  73
  74     NamingConventionValidationContext namingConventionValidationContext =
  75             (NamingConventionValidationContext)validationContext;
  76     validateHeatNovaResource(fileName, namingConventionValidationContext.getEnvFileName(),
  77             namingConventionValidationContext.getHeatOrchestrationTemplate(),
  78             globalContext);
  79   }
  80
  81   private void validateHeatNovaResource(String fileName, String envFileName,
  82                                         HeatOrchestrationTemplate heatOrchestrationTemplate,
  83                                         GlobalValidationContext globalContext) {
  84     Map<String, String> uniqueResourcePortNetworkRole = new HashMap<>();
  85     //if no resources exist return
  86     if (MapUtils.isEmpty(heatOrchestrationTemplate.getResources())) {
  87       return;
  88     }
  89
  90     heatOrchestrationTemplate
  91             .getResources()
  92             .entrySet()
  93             .stream()
  94             .filter(entry -> entry.getValue().getType()
  95                     .equals(HeatResourcesTypes.NOVA_SERVER_RESOURCE_TYPE.getHeatResource()))
  96             .forEach( entry -> validateNovaServerResourceType(entry.getKey(), fileName, envFileName,
  97                     entry, uniqueResourcePortNetworkRole, heatOrchestrationTemplate, globalContext));
  98   }
  99
 100   private void validateNovaServerResourceType(String resourceId, String fileName,
 101                                               String envFileName,
 102                                               Map.Entry<String, Resource> resourceEntry,
 103                                               Map<String, String> uniqueResourcePortNetworkRole,
 104                                               HeatOrchestrationTemplate heatOrchestrationTemplate,
 105                                               GlobalValidationContext globalContext) {
 106     validateNovaServerResourceMetaData(fileName, resourceId,
 107             heatOrchestrationTemplate.getResources().get(resourceId), globalContext);
 108     validateNovaServerResourceNetworkUniqueRole(fileName, resourceId, uniqueResourcePortNetworkRole,
 109             heatOrchestrationTemplate, globalContext);
 110     validateAvailabilityZoneName(fileName, resourceEntry, globalContext);
 111     validateNovaServerNameImageAndFlavor(fileName, envFileName, resourceEntry, globalContext);
 112   }
 113
 114   @SuppressWarnings("unchecked")
 115   private void validateNovaServerResourceMetaData(String fileName, String resourceId,
 116                                                   Resource resource,
 117                                                   GlobalValidationContext globalValidationContext) {
 118     Map<String, Object> novaServerProp = resource.getProperties();
 119     Object novaServerPropMetadata;
 120     if (MapUtils.isNotEmpty(novaServerProp)) {
 121       novaServerPropMetadata = novaServerProp.get("metadata");
 122       if (novaServerPropMetadata == null) {
 123         globalValidationContext.addMessage(
 124                 fileName,
 125                 ErrorLevel.WARNING,
 126                 ErrorMessagesFormatBuilder
 127                         .getErrorWithParameters(
 128                                 ERROR_CODE_NNS1, Messages.MISSING_NOVA_SERVER_METADATA.getErrorMessage(),
 129                                 resourceId));
 130       } else if (novaServerPropMetadata instanceof Map) {
 131         TreeMap<String, Object> propertyMap = new TreeMap((Comparator<String>) String::compareToIgnoreCase);
 132         propertyMap.putAll((Map) novaServerPropMetadata);
 133         if (!propertyMap.containsKey("vf_module_id")) {
 134           globalValidationContext.addMessage(
 135                   fileName,
 136                   ErrorLevel.WARNING,
 137                   ErrorMessagesFormatBuilder.getErrorWithParameters(
 138                           ERROR_CODE_NNS2, Messages.MISSING_NOVA_SERVER_VF_MODULE_ID.getErrorMessage(),
 139                           resourceId));
 140         }
 141         if (!propertyMap.containsKey("vnf_id")) {
 142           globalValidationContext.addMessage(
 143                   fileName, ErrorLevel.WARNING,
 144                   ErrorMessagesFormatBuilder
 145                           .getErrorWithParameters(
 146                                   ERROR_CODE_NNS3, Messages.MISSING_NOVA_SERVER_VNF_ID.getErrorMessage(),
 147                                   resourceId));
 148         }
 149       }
 150     }
 151   }
 152
 153   private void validateNovaServerResourceNetworkUniqueRole(String fileName, String resourceId,
 154                                                            Map<String, String> uniqueResourcePortNetworkRole,
 155                                                            HeatOrchestrationTemplate heatOrchestrationTemplate,
 156                                                            GlobalValidationContext globalValidationContext) {
 157       if (MapUtils.isEmpty(heatOrchestrationTemplate.getResources().get(resourceId).getProperties())) {
 158           return;
 159       }
 160     Object propertyNetworkValue =
 161             heatOrchestrationTemplate.getResources().get(resourceId).getProperties().get("networks");
 162     if (propertyNetworkValue != null && propertyNetworkValue instanceof List) {
 163       List<String> portResourceIdList =
 164               getNovaNetworkPortResourceList(fileName, (List) propertyNetworkValue,
 165                       globalValidationContext);
 166       for (String portResourceId : portResourceIdList) {
 167         Resource portResource = heatOrchestrationTemplate.getResources().get(portResourceId);
 168
 169         if (portResource != null && portResource.getType()
 170                 .equals(HeatResourcesTypes.NEUTRON_PORT_RESOURCE_TYPE.getHeatResource())) {
 171           validateUniqueResourcePortNetworkRole(fileName, resourceId,
 172                   uniqueResourcePortNetworkRole, globalValidationContext,
 173                   portResourceId, portResource);
 174         }
 175       }
 176     }
 177   }
 178
 179   private void validateUniqueResourcePortNetworkRole(String fileName, String resourceId,
 180                                       Map<String, String> uniqueResourcePortNetworkRole,
 181                                       GlobalValidationContext globalValidationContext,
 182                                       String portResourceId, Resource portResource) {
 183     String role = null;
 184     Object network;
 185     Map portNetwork =
 186             getPortNetwork(fileName, resourceId, portResource, globalValidationContext);
 187     if (Objects.nonNull(portNetwork)) {
 188       network = portNetwork.get("get_param");
 189       if (Objects.nonNull(network)) {
 190         if (network instanceof String ){
 191           role = getNetworkRole((String)network);
 192         }else if (network instanceof List){
 193           role = getNetworkRole((String)((List) network).get(0));
 194         }
 195         if (role != null && uniqueResourcePortNetworkRole.containsKey(role)) {
 196           globalValidationContext.addMessage(
 197                   fileName,
 198                   ErrorLevel.WARNING,
 199                   ErrorMessagesFormatBuilder.getErrorWithParameters(
 200                           ERROR_CODE_NNS12, Messages.RESOURCE_CONNECTED_TO_TWO_EXTERNAL_NETWORKS_WITH_SAME_ROLE
 201                                   .getErrorMessage(), resourceId, role));
 202         } else {
 203           uniqueResourcePortNetworkRole.put(role, portResourceId);
 204         }
 205       }
 206     }
 207   }
 208
 209   private List<String> getNovaNetworkPortResourceList(String filename, List propertyNetworkValue,
 210                                                       GlobalValidationContext globalContext) {
 211     globalContext.setMessageCode(ERROR_CODE_NNS14);
 212     List<String> portResourceIdList = new ArrayList<>();
 213     for (Object propValue : propertyNetworkValue) {
 214       Object portPropValue = ((Map) propValue).get("port");
 215       Collection<String> portResourceIds = HeatStructureUtil
 216               .getReferencedValuesByFunctionName(filename, "get_resource", portPropValue,
 217                       globalContext);
 218       if (portResourceIds != null) {
 219         portResourceIdList.addAll(portResourceIds);
 220       }
 221     }
 222
 223     return portResourceIdList;
 224   }
 225
 226   private String getNetworkRole(String network) {
 227     if (network == null) {
 228       return null;
 229     }
 230     if (network.contains("_net_id")) {
 231       return network.substring(0, network.indexOf("_net_id"));
 232     } else if (network.contains("_net_name")) {
 233       return network.substring(0, network.indexOf("_net_name"));
 234     } else if (network.contains("_net_fqdn")) {
 235       return network.substring(0, network.indexOf("_net_fqdn"));
 236     }
 237     return null;
 238   }
 239
 240   private Map getPortNetwork(String fileName, String resourceId, Resource portResource,
 241                              GlobalValidationContext globalValidationContext) {
 242     Object portNetwork = portResource.getProperties().get("network_id");
 243     if (portNetwork == null) {
 244       portNetwork = portResource.getProperties().get("network");
 245     }
 246     if (!(portNetwork instanceof Map)) {
 247       globalValidationContext.addMessage(
 248               fileName,
 249               ErrorLevel.WARNING,
 250               ErrorMessagesFormatBuilder
 251                       .getErrorWithParameters(
 252                               ERROR_CODE_NNS4, Messages.MISSING_GET_PARAM.getErrorMessage(),
 253                               "network or network_id", resourceId));
 254       return null;
 255     }
 256     return (Map) portNetwork;
 257   }
 258
 259   private void validateAvailabilityZoneName(String fileName,
 260                                             Map.Entry<String, Resource> resourceEntry,
 261                                             GlobalValidationContext globalContext) {
 262     String[] regexList = new String[]{"availability_zone_(\\d+)"};
 263
 264     if (MapUtils.isEmpty(resourceEntry.getValue().getProperties())) {
 265       return;
 266     }
 267
 268     Object availabilityZoneMap =  resourceEntry.getValue().getProperties()
 269             .get(AVAILABILITY_ZONE);
 270
 271     if (nonNull(availabilityZoneMap)) {
 272       if (availabilityZoneMap instanceof Map) {
 273         String availabilityZoneName = ValidationUtil.getWantedNameFromPropertyValueGetParam
 274                 (availabilityZoneMap);
 275
 276           if (availabilityZoneName != null && !ValidationUtil
 277                   .evalPattern(availabilityZoneName, regexList)) {
 278             globalContext.addMessage(
 279                     fileName,
 280                     ErrorLevel.WARNING, ErrorMessagesFormatBuilder.getErrorWithParameters(
 281                             ERROR_CODE_NNS5, Messages.PARAMETER_NAME_NOT_ALIGNED_WITH_GUIDELINES.getErrorMessage(),
 282                             ValidationUtil.getMessagePartAccordingToResourceType(resourceEntry),
 283                             "Availability Zone", availabilityZoneName, resourceEntry.getKey()));
 284           }
 285       } else {
 286         globalContext.addMessage(
 287                 fileName,
 288                 ErrorLevel.WARNING, ErrorMessagesFormatBuilder
 289                         .getErrorWithParameters(
 290                                 ERROR_CODE_NNS6, Messages.MISSING_GET_PARAM.getErrorMessage(),
 291                                 AVAILABILITY_ZONE, resourceEntry.getKey()));
 292       }
 293     }
 294   }
 295
 296   private void validateNovaServerNameImageAndFlavor(String fileName, String envFileName,
 297                                                     Map.Entry<String, Resource> resourceEntry,
 298                                                     GlobalValidationContext globalContext) {
 299     String novaName =
 300             validateNovaServerNamingConvention(fileName, envFileName, resourceEntry, globalContext);
 301     Map<String, String> legalNovaNamingConventionMap =
 302             validateImageAndFlavorFromNovaServer(fileName, resourceEntry, globalContext);
 303
 304     if (Objects.nonNull(novaName)) {
 305       legalNovaNamingConventionMap.put("name", novaName);
 306     }
 307
 308     if (legalNovaNamingConventionMap.keySet().size() > 1) {
 309       validateNovaServerNameImageAndFlavorSync(fileName, resourceEntry,
 310               legalNovaNamingConventionMap, globalContext);
 311     }
 312   }
 313
 314   private String validateNovaServerNamingConvention(String fileName, String envFileName,
 315                                                     Map.Entry<String, Resource> resourceEntry,
 316                                                     GlobalValidationContext globalContext) {
 317     if (MapUtils.isEmpty(resourceEntry.getValue().getProperties())) {
 318       return null;
 319     }
 320     return checkIfNovaNameByGuidelines(fileName, envFileName, resourceEntry, globalContext);
 321   }
 322
 323   private Map<String, String> validateImageAndFlavorFromNovaServer(String fileName,
 324                                                                    Map.Entry<String, Resource> resourceEntry,
 325                                                                    GlobalValidationContext globalContext) {
 326       Map<String, String> imageAndFlavorLegalNames = new HashMap<>();
 327
 328     if (MapUtils.isEmpty(resourceEntry.getValue().getProperties())) {
 329       return imageAndFlavorLegalNames;
 330     }
 331
 332     Pair<String, String> imagePair = new ImmutablePair<>("image", ".*_image_name");
 333     Pair<String, String> flavorPair = new ImmutablePair<>("flavor", ".*_flavor_name");
 334     List<Pair<String, String>> imageFlavorPairs = Arrays.asList(imagePair, flavorPair);
 335     Map<String, Object> propertiesMap = resourceEntry.getValue().getProperties();
 336
 337     for (Pair<String, String> imageOrFlavor : imageFlavorPairs) {
 338       boolean isErrorInImageOrFlavor =
 339               isErrorExistWhenValidatingImageOrFlavorNames(fileName, imageOrFlavor, resourceEntry,
 340                       propertiesMap, globalContext);
 341       if (!isErrorInImageOrFlavor) {
 342         Object nameValue = propertiesMap.get(imageOrFlavor.getKey());
 343         String imageOrFlavorName = ValidationUtil.getWantedNameFromPropertyValueGetParam
 344                 (nameValue);
 345         imageAndFlavorLegalNames.put(imageOrFlavor.getKey(), imageOrFlavorName);
 346       }
 347     }
 348     return imageAndFlavorLegalNames;
 349   }
 350
 351   private String checkIfNovaNameByGuidelines(String fileName, String envFileName,
 352                                              Map.Entry<String, Resource> resourceEntry,
 353                                              GlobalValidationContext globalContext) {
 354     if (MapUtils.isEmpty(resourceEntry.getValue().getProperties())) {
 355       return null;
 356     }
 357     Object novaNameGetParam = getNovaServerName(resourceEntry);
 358     String novaName = null;
 359     if (nonNull(novaNameGetParam)) {
 360       novaName =
 361               checkNovaNameGetParamValueMap(fileName, novaNameGetParam, resourceEntry, globalContext);
 362       checkIfNovaNameParameterInEnvIsStringOrList(fileName, envFileName, novaName, resourceEntry,
 363               globalContext);
 364     } else {
 365       globalContext.addMessage(
 366               fileName,
 367               ErrorLevel.WARNING, ErrorMessagesFormatBuilder
 368                       .getErrorWithParameters(
 369                               ERROR_CODE_NNS7, Messages.MISSING_GET_PARAM.getErrorMessage(),
 370                               "nova server name", resourceEntry.getKey()));
 371     }
 372
 373     return novaName;
 374   }
 375
 376   private boolean isErrorExistWhenValidatingImageOrFlavorNames(String fileName,
 377                                                                Pair<String, String> propertyNameAndRegex,
 378                                                                Map.Entry<String, Resource> resourceEntry,
 379                                                                Map<String, Object> propertiesMap,
 380                                                                GlobalValidationContext globalContext) {
 381     String propertyName = propertyNameAndRegex.getKey();
 382     Object nameValue = propertiesMap.get(propertyName);
 383     String[] regexList = new String[]{propertyNameAndRegex.getValue()};
 384
 385
 386     if (nonNull(nameValue)) {
 387       if (nameValue instanceof Map) {
 388         globalContext.setMessageCode(ERROR_CODE_NNS13);
 389         if (ValidationUtil.validateMapPropertyValue(fileName, resourceEntry, globalContext,
 390                 propertyName,
 391                 nameValue, regexList)) {
 392           return true;
 393         }
 394       } else {
 395         globalContext.addMessage(
 396                 fileName,
 397                 ErrorLevel.WARNING, ErrorMessagesFormatBuilder
 398                         .getErrorWithParameters(
 399                                 ERROR_CODE_NNS8, Messages.MISSING_GET_PARAM.getErrorMessage(),
 400                                 propertyName, resourceEntry.getKey()));
 401         return true;
 402       }
 403
 404       return false;
 405     }
 406     return false;
 407   }
 408
 409   private Object getNovaServerName(Map.Entry<String, Resource> resourceEntry) {
 410     Object novaServerName = resourceEntry.getValue().getProperties().get("name");
 411     Map novaNameMap;
 412       if (nonNull(novaServerName) && novaServerName instanceof Map) {
 413         novaNameMap = (Map) novaServerName;
 414         return novaNameMap.get(ResourceReferenceFunctions.GET_PARAM.getFunction());
 415       }
 416
 417     return null;
 418   }
 419
 420   @SuppressWarnings("unchecked")
 421   private String checkNovaNameGetParamValueMap(String fileName, Object getParamValue,
 422                                                Map.Entry<String, Resource> resourceEntry,
 423                                                GlobalValidationContext globalContext) {
 424     if (getParamValue instanceof List) {
 425       List<Object> getParamNameList = (List) getParamValue;
 426       String[] regexName = new String[]{".*_names"};
 427       return isNovaNameAsListLegal(fileName, regexName, getParamNameList, resourceEntry,
 428               globalContext);
 429     } else if (getParamValue instanceof String) {
 430       String[] regexName = new String[]{".*_name_(\\d+)"};
 431       return isNovaNameAsStringLegal(fileName, (String) getParamValue, regexName, resourceEntry,
 432               globalContext);
 433     }
 434
 435     return null;
 436   }
 437
 438   private void checkIfNovaNameParameterInEnvIsStringOrList(String fileName,
 439                                                            String envFileName,
 440                                                            String novaServerName,
 441                                                            Map.Entry<String, Resource> resourceEntry,
 442                                                            GlobalValidationContext globalContext) {
 443     if (nonNull(envFileName)) {
 444       Environment environment = ValidationUtil.validateEnvContent(envFileName, globalContext);
 445
 446       if (environment != null && MapUtils.isNotEmpty(environment.getParameters())) {
 447         Object novaServerNameEnvValue = environment.getParameters()
 448                         .get(novaServerName);
 449           if (Objects.nonNull(novaServerNameEnvValue) && !DefinedHeatParameterTypes
 450                   .isNovaServerEnvValueIsFromRightType(novaServerNameEnvValue)) {
 451             globalContext.addMessage(
 452                     fileName,
 453                     ErrorLevel.WARNING, ErrorMessagesFormatBuilder.getErrorWithParameters(
 454                             ERROR_CODE_NNS9, Messages.PARAMETER_NAME_NOT_ALIGNED_WITH_GUIDELINES.getErrorMessage(),
 455                             SERVER, "Name",
 456                             novaServerNameEnvValue.toString(), resourceEntry.getKey()));
 457           }
 458       }
 459     }
 460   }
 461
 462   private String isNovaNameAsListLegal(String fileName,
 463                                        String[] regexName,
 464                                        List<Object> getParamNameList,
 465                                        Map.Entry<String, Resource> resourceEntry,
 466                                        GlobalValidationContext globalContext) {
 467
 468     if (getParamNameList.size() != 2 || !ValidationUtil.evalPattern(getParamNameList.get(0),
 469             regexName)) {
 470       globalContext.addMessage(
 471               fileName,
 472               ErrorLevel.WARNING,
 473               ErrorMessagesFormatBuilder.getErrorWithParameters(
 474                       ERROR_CODE_NNS10, Messages.PARAMETER_NAME_NOT_ALIGNED_WITH_GUIDELINES.getErrorMessage(),
 475                       SERVER,
 476                       "name", getParamNameList.toString(), resourceEntry.getKey()));
 477       return null;
 478     }
 479
 480     return (String) getParamNameList.get(0);
 481   }
 482
 483   private String isNovaNameAsStringLegal(String fileName,
 484                                          String novaName,
 485                                          String[] regexName,
 486                                          Map.Entry<String, Resource> resourceEntry,
 487                                          GlobalValidationContext globalContext) {
 488     if (!ValidationUtil.evalPattern(novaName, regexName)) {
 489       globalContext.addMessage(
 490               fileName,
 491               ErrorLevel.WARNING,
 492               ErrorMessagesFormatBuilder.getErrorWithParameters(
 493                       ERROR_CODE_NNS10, Messages.PARAMETER_NAME_NOT_ALIGNED_WITH_GUIDELINES.getErrorMessage(),
 494                       SERVER,
 495                       "name", novaName, resourceEntry.getKey()));
 496       return null;
 497     }
 498     return novaName;
 499   }
 500
 501   private void validateNovaServerNameImageAndFlavorSync(String fileName,
 502                                                         Map.Entry<String, Resource> resourceEntry,
 503                                                         Map<String, String> legalNovaNamingConventionNames,
 504                                                         GlobalValidationContext globalContext) {
 505     List<String> vmNames = new LinkedList<>();
 506
 507     for (Map.Entry<String, String> nameEntry : legalNovaNamingConventionNames.entrySet()) {
 508       vmNames.add(getVmName(nameEntry.getValue(), nameEntry.getKey()));
 509     }
 510
 511     vmNames.removeIf(Objects::isNull);
 512
 513     if (!isVmNameSync(vmNames)) {
 514       globalContext.addMessage(
 515               fileName,
 516               ErrorLevel.WARNING,
 517               ErrorMessagesFormatBuilder.getErrorWithParameters(
 518                       ERROR_CODE_NNS11, Messages.NOVA_NAME_IMAGE_FLAVOR_NOT_CONSISTENT.getErrorMessage(),
 519                       resourceEntry.getKey()));
 520     }
 521   }
 522
 523   private String getVmName(String nameToGetVmNameFrom, String stringToGetIndexOf) {
 524     int vmIndex =
 525             nameToGetVmNameFrom == null ? -1 : nameToGetVmNameFrom.indexOf(stringToGetIndexOf);
 526     String vmName = null;
 527     if (nameToGetVmNameFrom != null) {
 528       vmName = vmIndex < 0 ? null
 529               : trimNonAlphaNumericCharactersFromEndOfString(nameToGetVmNameFrom.substring(0, vmIndex));
 530     }
 531     return vmName;
 532   }
 533
 534   private boolean isVmNameSync(List<String> namesToCompare) {
 535     int size = namesToCompare.size();
 536     for (int i = 0; i < size - 1; i++) {
 537       if (!namesToCompare.get(i).equals(namesToCompare.get(i + 1))) {
 538         return false;
 539       }
 540     }
 541     return true;
 542   }
 543
 544   private String trimNonAlphaNumericCharactersFromEndOfString(String toTrim) {
 545     int stringSize = toTrim.length();
 546     int stringLength = stringSize - 1;
 547     String[] regexList = new String[]{"[^a-zA-Z0-9]"};
 548
 549     while (stringLength >= 0) {
 550       if (!ValidationUtil.evalPattern(String.valueOf(toTrim.charAt(stringLength)), regexList)) {
 551         break;
 552       }
 553       stringLength--;
 554     }
 555
 556     return toTrim.substring(0, stringLength + 1);
 557   }
 558 }