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.heatresource;
  18
  19 import org.apache.commons.collections4.MapUtils;
  20 import org.openecomp.core.validation.ErrorMessageCode;
  21 import org.openecomp.core.validation.errors.ErrorMessagesFormatBuilder;
  22 import org.openecomp.core.validation.types.GlobalValidationContext;
  23 import org.openecomp.sdc.common.errors.Messages;
  24 import org.openecomp.sdc.datatypes.error.ErrorLevel;
  25 import org.openecomp.sdc.heat.datatypes.model.HeatResourcesTypes;
  26 import org.openecomp.sdc.heat.datatypes.model.PolicyTypes;
  27 import org.openecomp.sdc.heat.datatypes.model.Resource;
  28 import org.openecomp.sdc.logging.types.LoggerErrorDescription;
  29 import org.openecomp.sdc.logging.types.LoggerTragetServiceName;
  30 import org.openecomp.sdc.validation.ResourceValidator;
  31 import org.openecomp.sdc.validation.ValidationContext;
  32 import org.openecomp.sdc.validation.type.HeatResourceValidationContext;
  33 import org.openecomp.sdc.validation.type.ValidatorConstants;
  34
  35 import java.util.List;
  36 import java.util.Map;
  37 import java.util.Objects;
  38
  39 public class NovaServerGroupResourceValidator implements ResourceValidator {
  40   private static final ErrorMessageCode ERROR_CODE_HNG1 = new ErrorMessageCode("HNG1");
  41   private static final ErrorMessageCode ERROR_CODE_HNG2 = new ErrorMessageCode("HNG2");
  42   private static final ErrorMessageCode ERROR_CODE_HNG3 = new ErrorMessageCode("HNG3");
  43
  44   @Override
  45   public void validate(String fileName, Map.Entry<String, Resource> resourceEntry,
  46                        GlobalValidationContext globalContext, ValidationContext validationContext) {
  47     validateNovaServerGroupPolicy(fileName, resourceEntry, globalContext);
  48     validateServerGroupIsUsed(fileName, resourceEntry, globalContext,
  49             (HeatResourceValidationContext) validationContext);
  50   }
  51
  52   @SuppressWarnings("unchecked")
  53   private static void validateNovaServerGroupPolicy(String fileName,
  54                                                     Map.Entry<String, Resource> resourceEntry,
  55                                                     GlobalValidationContext globalContext) {
  56     Resource resource = resourceEntry.getValue();
  57     Object policies =
  58             resource.getProperties() == null ? null : resource.getProperties().get("policies");
  59
  60     if (Objects.nonNull(policies) && policies instanceof List) {
  61       List<Object> policiesList = (List<Object>) policies;
  62       if (policiesList.size() == 1) {
  63         Object policy = policiesList.get(0);
  64         if (!isGivenPolicyValid(policy)) {
  65           globalContext.addMessage(fileName, ErrorLevel.ERROR, ErrorMessagesFormatBuilder
  66                           .getErrorWithParameters(
  67                                   ERROR_CODE_HNG1, Messages.WRONG_POLICY_IN_SERVER_GROUP.getErrorMessage(),
  68                                   resourceEntry.getKey()),
  69                   LoggerTragetServiceName.VALIDATE_NOVA_SEVER_GROUP_POLICY,
  70                   LoggerErrorDescription.WRONG_POLICY_SERVER_GROUP);
  71         }
  72       } else {
  73         globalContext.addMessage(fileName, ErrorLevel.ERROR, ErrorMessagesFormatBuilder
  74                         .getErrorWithParameters(ERROR_CODE_HNG1,
  75                                 Messages.WRONG_POLICY_IN_SERVER_GROUP.getErrorMessage(),
  76                                 resourceEntry.getKey()),
  77                 LoggerTragetServiceName.VALIDATE_NOVA_SEVER_GROUP_POLICY,
  78                 LoggerErrorDescription.WRONG_POLICY_SERVER_GROUP);
  79       }
  80     }
  81   }
  82
  83   private static boolean isGivenPolicyValid(Object policy) {
  84     if (policy instanceof Map) {
  85       return true;
  86     }
  87     if (policy instanceof String) {
  88       return PolicyTypes.isGivenPolicyValid((String) policy);
  89     }
  90     return false;
  91   }
  92
  93   public void validateServerGroupIsUsed(String fileName,
  94                                         Map.Entry<String, Resource> resourceEntry,
  95                                         GlobalValidationContext globalContext,
  96                                         HeatResourceValidationContext validationContext) {
  97
  98     Map<String, Map<String, List<String>>> pointedServerGroups =
  99             validationContext.getFileLevelResourceDependencies().get(HeatResourcesTypes
 100                     .NOVA_SERVER_GROUP_RESOURCE_TYPE.getHeatResource());
 101
 102     if (MapUtils.isEmpty(pointedServerGroups)) {
 103       globalContext
 104               .addMessage(
 105                       fileName,
 106                       ErrorLevel.WARNING,
 107                       ErrorMessagesFormatBuilder
 108                               .getErrorWithParameters(
 109                                       ERROR_CODE_HNG2, Messages.RESOURCE_NOT_IN_USE.getErrorMessage(),
 110                                       ValidatorConstants.Server_Group, resourceEntry.getKey()),
 111                       LoggerTragetServiceName.VALIDATE_ALL_SERVER_GROUP_OR_SECURITY_GROUP_IN_USE,
 112                       LoggerErrorDescription.SERVER_GROUP_SECURITY_GROUP_NOT_IN_USE);
 113       return;
 114     }
 115
 116     handleServerGroupReferences(fileName, resourceEntry, pointedServerGroups, globalContext);
 117   }
 118
 119   private void handleServerGroupReferences(String fileName, Map.Entry<String, Resource>
 120           resourceEntry, Map<String, Map<String, List<String>>> pointedServerGroups,
 121                                            GlobalValidationContext globalContext) {
 122     Map<String, List<String>> resourcesPointingToCurrServerGroup =
 123             pointedServerGroups.get(resourceEntry.getKey());
 124
 125     if (MapUtils.isEmpty(resourcesPointingToCurrServerGroup)) {
 126       globalContext
 127               .addMessage(
 128                       fileName,
 129                       ErrorLevel.WARNING,
 130                       ErrorMessagesFormatBuilder
 131                               .getErrorWithParameters(
 132                                       ERROR_CODE_HNG3, Messages.RESOURCE_NOT_IN_USE.getErrorMessage(),
 133                                       ValidatorConstants.Server_Group, resourceEntry.getKey()),
 134                       LoggerTragetServiceName.VALIDATE_ALL_SERVER_GROUP_OR_SECURITY_GROUP_IN_USE,
 135                       LoggerErrorDescription.SERVER_GROUP_SECURITY_GROUP_NOT_IN_USE);
 136     }
 137
 138   }
 139 }