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/*
* Copyright © 2016-2017 European Support Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.openecomp.sdc.validation.impl.validators.heatresource;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import org.apache.commons.collections4.MapUtils;
import org.openecomp.core.validation.ErrorMessageCode;
import org.openecomp.core.validation.errors.ErrorMessagesFormatBuilder;
import org.openecomp.core.validation.types.GlobalValidationContext;
import org.openecomp.sdc.common.errors.Messages;
import org.openecomp.sdc.datatypes.error.ErrorLevel;
import org.openecomp.sdc.heat.datatypes.model.HeatResourcesTypes;
import org.openecomp.sdc.heat.datatypes.model.PolicyTypes;
import org.openecomp.sdc.heat.datatypes.model.Resource;
import org.openecomp.sdc.validation.ResourceValidator;
import org.openecomp.sdc.validation.ValidationContext;
import org.openecomp.sdc.validation.type.HeatResourceValidationContext;
import org.openecomp.sdc.validation.type.ValidatorConstants;
public class NovaServerGroupResourceValidator implements ResourceValidator {
private static final ErrorMessageCode ERROR_CODE_HNG1 = new ErrorMessageCode("HNG1");
private static final ErrorMessageCode ERROR_CODE_HNG2 = new ErrorMessageCode("HNG2");
private static final ErrorMessageCode ERROR_CODE_HNG3 = new ErrorMessageCode("HNG3");
@SuppressWarnings("unchecked")
private static void validateNovaServerGroupPolicy(String fileName, Map.Entry<String, Resource> resourceEntry,
GlobalValidationContext globalContext) {
Resource resource = resourceEntry.getValue();
Object policies = resource.getProperties() == null ? null : resource.getProperties().get("policies");
if (Objects.nonNull(policies) && policies instanceof List) {
List<Object> policiesList = (List<Object>) policies;
if (policiesList.size() == 1) {
Object policy = policiesList.get(0);
if (!isGivenPolicyValid(policy)) {
globalContext.addMessage(fileName, ErrorLevel.ERROR, ErrorMessagesFormatBuilder
.getErrorWithParameters(ERROR_CODE_HNG1, Messages.WRONG_POLICY_IN_SERVER_GROUP.getErrorMessage(), resourceEntry.getKey()));
}
} else {
globalContext.addMessage(fileName, ErrorLevel.ERROR, ErrorMessagesFormatBuilder
.getErrorWithParameters(ERROR_CODE_HNG1, Messages.WRONG_POLICY_IN_SERVER_GROUP.getErrorMessage(), resourceEntry.getKey()));
}
}
}
private static boolean isGivenPolicyValid(Object policy) {
if (policy instanceof Map) {
return true;
}
if (policy instanceof String) {
return PolicyTypes.isGivenPolicyValid((String) policy);
}
return false;
}
@Override
public void validate(String fileName, Map.Entry<String, Resource> resourceEntry, GlobalValidationContext globalContext,
ValidationContext validationContext) {
validateNovaServerGroupPolicy(fileName, resourceEntry, globalContext);
validateServerGroupIsUsed(fileName, resourceEntry, globalContext, (HeatResourceValidationContext) validationContext);
}
public void validateServerGroupIsUsed(String fileName, Map.Entry<String, Resource> resourceEntry, GlobalValidationContext globalContext,
HeatResourceValidationContext validationContext) {
Map<String, Map<String, List<String>>> pointedServerGroups = validationContext.getFileLevelResourceDependencies()
.get(HeatResourcesTypes.NOVA_SERVER_GROUP_RESOURCE_TYPE.getHeatResource());
if (MapUtils.isEmpty(pointedServerGroups)) {
globalContext.addMessage(fileName, ErrorLevel.WARNING, ErrorMessagesFormatBuilder
.getErrorWithParameters(ERROR_CODE_HNG2, Messages.RESOURCE_NOT_IN_USE.getErrorMessage(), ValidatorConstants.Server_Group,
resourceEntry.getKey()));
return;
}
handleServerGroupReferences(fileName, resourceEntry, pointedServerGroups, globalContext);
}
private void handleServerGroupReferences(String fileName, Map.Entry<String, Resource> resourceEntry,
Map<String, Map<String, List<String>>> pointedServerGroups, GlobalValidationContext globalContext) {
Map<String, List<String>> resourcesPointingToCurrServerGroup = pointedServerGroups.get(resourceEntry.getKey());
if (MapUtils.isEmpty(resourcesPointingToCurrServerGroup)) {
globalContext.addMessage(fileName, ErrorLevel.WARNING, ErrorMessagesFormatBuilder
.getErrorWithParameters(ERROR_CODE_HNG3, Messages.RESOURCE_NOT_IN_USE.getErrorMessage(), ValidatorConstants.Server_Group,
resourceEntry.getKey()));
}
}
}
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