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