openecomp-be/lib/openecomp-sdc-translator-lib/openecomp-sdc-translator-core/src/main/java/org/openecomp/sdc/translator/services/heattotosca/helper/VolumeTranslationHelper.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * SDC
   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
  21 package org.openecomp.sdc.translator.services.heattotosca.helper;
  22
  23 import org.apache.commons.collections4.CollectionUtils;
  24 import org.openecomp.core.utilities.yaml.YamlUtil;
  25 import org.openecomp.sdc.heat.datatypes.manifest.FileData;
  26 import org.openecomp.sdc.heat.datatypes.model.HeatOrchestrationTemplate;
  27 import org.openecomp.sdc.heat.datatypes.model.HeatResourcesTypes;
  28 import org.openecomp.sdc.heat.datatypes.model.Output;
  29 import org.openecomp.sdc.heat.datatypes.model.Resource;
  30 import org.openecomp.sdc.translator.datatypes.heattotosca.AttachedResourceId;
  31 import org.openecomp.sdc.translator.datatypes.heattotosca.to.ResourceFileDataAndIDs;
  32 import org.openecomp.sdc.translator.datatypes.heattotosca.to.TranslateTo;
  33 import org.openecomp.sdc.translator.services.heattotosca.HeatToToscaUtil;
  34 import org.openecomp.sdc.translator.services.heattotosca.TranslationContext;
  35 import org.openecomp.sdc.translator.services.heattotosca.impl.ResourceTranslationBase;
  36 import org.slf4j.Logger;
  37
  38 import java.util.ArrayList;
  39 import java.util.List;
  40 import java.util.Map;
  41 import java.util.Objects;
  42 import java.util.Optional;
  43 import java.util.function.Predicate;
  44 import java.util.stream.Collectors;
  45
  46 public class VolumeTranslationHelper {
  47   private final Logger logger;
  48
  49   public VolumeTranslationHelper(Logger logger) {
  50     this.logger = logger;
  51   }
  52
  53   /**
  54    * Gets file data containing volume.
  55    *
  56    * @param filesToSearch the files to search
  57    * @param resourceId    the resource id
  58    * @param translateTo   the translate to
  59    * @param types         the types
  60    * @return the file data containing volume
  61    */
  62   public Optional<ResourceFileDataAndIDs> getFileDataContainingVolume(List<FileData> filesToSearch,
  63                                                                       String resourceId,
  64                                                                       TranslateTo translateTo,
  65                                                                       FileData.Type... types) {
  66     if (CollectionUtils.isEmpty(filesToSearch)) {
  67       return Optional.empty();
  68     }
  69
  70     List<FileData> fileDatas = Objects.isNull(types) ? filesToSearch
  71         : HeatToToscaUtil.getFilteredListOfFileDataByTypes(filesToSearch, types);
  72     Optional<ResourceFileDataAndIDs> fileDataAndIDs =
  73         getResourceFileDataAndIDsForVolumeConnection(resourceId, translateTo, fileDatas);
  74     if (fileDataAndIDs.isPresent()) {
  75       return fileDataAndIDs;
  76     }
  77     return Optional.empty();
  78   }
  79
  80   private Optional<ResourceFileDataAndIDs> getResourceFileDataAndIDsForVolumeConnection(
  81       String resourceId, TranslateTo translateTo, List<FileData> fileDatas) {
  82     for (FileData data : fileDatas) {
  83       HeatOrchestrationTemplate heatOrchestrationTemplate = new YamlUtil()
  84           .yamlToObject(translateTo.getContext().getFiles().getFileContent(data.getFile()),
  85               HeatOrchestrationTemplate.class);
  86       Map<String, Output> outputs = heatOrchestrationTemplate.getOutputs();
  87       if (Objects.isNull(outputs)) {
  88         continue;
  89       }
  90       Output output = outputs.get(resourceId);
  91       if (Objects.nonNull(output)) {
  92         Optional<AttachedResourceId> attachedOutputId = HeatToToscaUtil
  93             .extractAttachedResourceId(data.getFile(), heatOrchestrationTemplate,
  94                 translateTo.getContext(), output.getValue());
  95         if (attachedOutputId.isPresent()) {
  96           AttachedResourceId attachedResourceId = attachedOutputId.get();
  97           if (!isOutputIsGetResource(resourceId, data, attachedResourceId)) {
  98             continue;
  99           }
 100           String translatedId = (String) attachedResourceId.getTranslatedId();
 101           if (isOutputOfTypeCinderVolume(translateTo, data, heatOrchestrationTemplate,
 102               translatedId)) {
 103             ResourceFileDataAndIDs fileDataAndIDs =
 104                 new ResourceFileDataAndIDs((String) attachedResourceId.getEntityId(),
 105                     translatedId,
 106                     data);
 107             return Optional.of(fileDataAndIDs);
 108           } else {
 109             logger.warn(
 110                 "output: '" + resourceId + "' in file '" + data.getFile() + "' is not of type '"
 111                     + HeatResourcesTypes.CINDER_VOLUME_RESOURCE_TYPE.getHeatResource() + "'");
 112           }
 113         }
 114       } else {
 115         logger.warn("output: '" + resourceId + "' in file '" + data.getFile() + "' is not found");
 116       }
 117     }
 118     return Optional.empty();
 119   }
 120
 121   private boolean isOutputOfTypeCinderVolume(TranslateTo translateTo, FileData data,
 122                                              HeatOrchestrationTemplate heatOrchestrationTemplate,
 123                                              String translatedId) {
 124     return getResourceByTranslatedResourceId(data.getFile(), heatOrchestrationTemplate,
 125         translatedId, translateTo,
 126             HeatResourcesTypes.CINDER_VOLUME_RESOURCE_TYPE.getHeatResource())
 127             .isPresent();
 128   }
 129
 130   private Optional<List<Map.Entry<String, Resource>>> getResourceByTranslatedResourceId(
 131       String fileName, HeatOrchestrationTemplate heatOrchestrationTemplate,
 132       String translatedResourceId, TranslateTo translateTo, String heatResourceType) {
 133     List<Map.Entry<String, Resource>> list = heatOrchestrationTemplate.getResources().entrySet()
 134         .stream()
 135         .filter(
 136             entry -> getPredicatesForTranslatedIdToResourceId(fileName, heatOrchestrationTemplate,
 137                 translatedResourceId, translateTo.getContext(), heatResourceType)
 138                 .stream()
 139                     .allMatch(p -> p.test(entry)))
 140         .collect(Collectors.toList());
 141     if (CollectionUtils.isEmpty(list)) {
 142       return Optional.empty();
 143     } else {
 144       return Optional.of(list);
 145     }
 146   }
 147
 148   private List<Predicate<Map.Entry<String, Resource>>> getPredicatesForTranslatedIdToResourceId(
 149       String fileName, HeatOrchestrationTemplate heatOrchestrationTemplate,
 150       String translatedResourceId, TranslationContext context, String heatResourceType) {
 151     List<Predicate<Map.Entry<String, Resource>>> list = new ArrayList<>();
 152     list.add(entry -> entry.getValue().getType().equals(heatResourceType));
 153     list.add(entry -> {
 154       Optional<String> resourceTranslatedId = ResourceTranslationBase
 155           .getResourceTranslatedId(fileName, heatOrchestrationTemplate, entry.getKey(), context);
 156       return resourceTranslatedId.isPresent()
 157           && resourceTranslatedId.get().equals(translatedResourceId);
 158     });
 159     return list;
 160   }
 161
 162   private boolean isOutputIsGetResource(String resourceId, FileData data,
 163                                         AttachedResourceId attachedResourceId) {
 164     if (attachedResourceId.isGetResource()) {
 165       return true;
 166     } else {
 167       logger.warn("output: '" + resourceId + "' in file '" + data.getFile()
 168           + "' is not defined as get_resource and therefor not supported.");
 169       return false;
 170     }
 171   }
 172 }