openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/heatresource/NeutronPortResourceValidator.java

   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.heatresource;
  18
  19 import java.util.ArrayList;
  20 import java.util.Collection;
  21 import java.util.List;
  22 import java.util.Map;
  23 import java.util.Objects;
  24 import java.util.Set;
  25
  26 import org.apache.commons.collections4.CollectionUtils;
  27 import org.apache.commons.collections4.MapUtils;
  28 import org.openecomp.core.validation.ErrorMessageCode;
  29 import org.openecomp.core.validation.errors.ErrorMessagesFormatBuilder;
  30 import org.openecomp.core.validation.types.GlobalValidationContext;
  31 import org.openecomp.sdc.common.errors.Messages;
  32 import org.openecomp.sdc.datatypes.error.ErrorLevel;
  33 import org.openecomp.sdc.heat.datatypes.model.HeatResourcesTypes;
  34 import org.openecomp.sdc.heat.datatypes.model.Resource;
  35 import org.openecomp.sdc.heat.datatypes.model.ResourceReferenceFunctions;
  36 import org.openecomp.sdc.heat.services.HeatStructureUtil;
  37 import org.openecomp.sdc.validation.ResourceValidator;
  38 import org.openecomp.sdc.validation.ValidationContext;
  39 import org.openecomp.sdc.validation.type.HeatResourceValidationContext;
  40
  41 public class NeutronPortResourceValidator implements ResourceValidator {
  42   private static final ErrorMessageCode ERROR_HPRODE_HPR1 = new ErrorMessageCode("HPR1");
  43   private static final ErrorMessageCode ERROR_HPRODE_HPR2 = new ErrorMessageCode("HPR2");
  44   private static final ErrorMessageCode ERROR_HPRODE_HPR3 = new ErrorMessageCode("HPR3");
  45
  46   @Override
  47   public void validate(String fileName, Map.Entry<String, Resource> resourceEntry,
  48                        GlobalValidationContext globalContext, ValidationContext validationContext) {
  49
  50     validateNovaServerPortBinding(fileName,
  51             resourceEntry, (HeatResourceValidationContext) validationContext, globalContext);
  52   }
  53
  54
  55   @SuppressWarnings("unchecked")
  56   private static void validateNovaServerPortBinding(String fileName,
  57                                                     Map.Entry<String, Resource> resourceEntry,
  58                                                     HeatResourceValidationContext heatResourceValidationContext,
  59                                                     GlobalValidationContext globalContext) {
  60     Map<String, Map<String, List<String>>> portIdToPointingResources =
  61             heatResourceValidationContext.getFileLevelResourceDependencies()
  62                     .get(HeatResourcesTypes.NEUTRON_PORT_RESOURCE_TYPE.getHeatResource());
  63
  64     String portResourceId = resourceEntry.getKey();
  65     if (MapUtils.isEmpty(portIdToPointingResources)) {
  66       globalContext
  67               .addMessage(fileName, ErrorLevel.WARNING,
  68                       ErrorMessagesFormatBuilder
  69                               .getErrorWithParameters(
  70                                       ERROR_HPRODE_HPR1, Messages.PORT_NO_BIND_TO_ANY_NOVA_SERVER.getErrorMessage(),
  71                                       portResourceId));
  72
  73       return;
  74     }
  75
  76     Map<String, List<String>> pointingResourcesToCurrPort =
  77             portIdToPointingResources.get(portResourceId);
  78     checkPortBindingFromMap(
  79             fileName, portResourceId, pointingResourcesToCurrPort, globalContext);
  80   }
  81
  82   private static void checkPortBindingFromMap(String fileName,
  83                                               String portResourceId,
  84                                               Map<String, List<String>> resourcesPointingToCurrPort,
  85                                               GlobalValidationContext globalContext) {
  86     List<String> pointingNovaServers =
  87             MapUtils.isEmpty(resourcesPointingToCurrPort) ? new ArrayList<>()
  88                     : resourcesPointingToCurrPort.get(HeatResourcesTypes.NOVA_SERVER_RESOURCE_TYPE.getHeatResource());
  89
  90     handleErrorEventsForPortBinding(
  91             fileName, portResourceId, globalContext, pointingNovaServers);
  92
  93
  94   }
  95
  96   private static void handleErrorEventsForPortBinding(String fileName,
  97                                                       String portResourceId,
  98                                                       GlobalValidationContext globalContext,
  99                                                       List<String> pointingNovaServers) {
 100     if (isThereMoreThanOneBindFromNovaToPort(pointingNovaServers)) {
 101       globalContext
 102               .addMessage(fileName, ErrorLevel.ERROR,
 103                       ErrorMessagesFormatBuilder
 104                               .getErrorWithParameters(
 105                                       ERROR_HPRODE_HPR2,
 106                                       Messages.MORE_THAN_ONE_BIND_FROM_NOVA_TO_PORT.getErrorMessage(),
 107                                       portResourceId));
 108     }
 109
 110     if (isNoNovaPointingToPort(pointingNovaServers)) {
 111       globalContext
 112               .addMessage(fileName, ErrorLevel.WARNING,
 113                       ErrorMessagesFormatBuilder
 114                               .getErrorWithParameters(
 115                                       ERROR_HPRODE_HPR3, Messages.PORT_NO_BIND_TO_ANY_NOVA_SERVER.getErrorMessage(),
 116                                       portResourceId));
 117     }
 118   }
 119
 120   private static boolean isNoNovaPointingToPort(List<String> pointingNovaServers) {
 121     return CollectionUtils.isEmpty(pointingNovaServers);
 122   }
 123
 124   private static boolean isThereMoreThanOneBindFromNovaToPort(List<String> pointingNovaServers) {
 125     return CollectionUtils.isNotEmpty(pointingNovaServers)
 126             && pointingNovaServers.size() > 1;
 127   }
 128
 129   @SuppressWarnings("unchecked")
 130   private static void validateAllSecurityGroupsAreUsed(String filename,
 131                                                        Map.Entry<String, Resource> resourceEntry,
 132                                                        List<String> securityGroupResourceNameList,
 133                                                        GlobalValidationContext globalContext) {
 134     Map<String, Object> propertiesMap = resourceEntry.getValue().getProperties();
 135
 136     if (MapUtils.isEmpty(propertiesMap)) {
 137       return;
 138     }
 139
 140     Object securityGroupsValue = propertiesMap.get("security_groups");
 141
 142     if (Objects.isNull(securityGroupsValue)) {
 143       return;
 144     }
 145
 146     if (securityGroupsValue instanceof List) {
 147       List<Object> securityGroupsListFromCurrResource =
 148               (List<Object>) propertiesMap.get("security_groups");
 149       for (Object securityGroup : securityGroupsListFromCurrResource) {
 150         removeSecurityGroupNamesFromListByGivenFunction(filename,
 151                 ResourceReferenceFunctions.GET_RESOURCE.getFunction(), securityGroup,
 152                 securityGroupResourceNameList, globalContext);
 153       }
 154     }
 155   }
 156
 157   private static void removeSecurityGroupNamesFromListByGivenFunction(String filename,
 158                                                                       String functionName,
 159                                                                       Object securityGroup,
 160                                                                       Collection<String>
 161                                                                               securityGroupResourceNameList,
 162                                                                       GlobalValidationContext globalContext) {
 163     Set<String> securityGroupsNamesFromFunction = HeatStructureUtil
 164             .getReferencedValuesByFunctionName(filename, functionName, securityGroup, globalContext);
 165     securityGroupsNamesFromFunction.forEach(securityGroupResourceNameList::remove);
 166   }
 167 }