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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.namingconvention;
import static java.util.Objects.nonNull;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.regex.Pattern;
import org.apache.commons.collections4.CollectionUtils;
import org.apache.commons.collections4.MapUtils;
import org.apache.commons.lang3.tuple.ImmutablePair;
import org.apache.commons.lang3.tuple.Pair;
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.Resource;
import org.openecomp.sdc.validation.ResourceValidator;
import org.openecomp.sdc.validation.ValidationContext;
import org.openecomp.sdc.validation.util.ValidationUtil;
public class ContrailServiceTemplateNamingConventionValidator implements ResourceValidator {
private static final ErrorMessageCode ERROR_CODE_NST1 = new ErrorMessageCode("NST1");
private static final ErrorMessageCode ERROR_CODE_NST2 = new ErrorMessageCode("NST2");
private static final ErrorMessageCode ERROR_CODE_NST3 = new ErrorMessageCode("NST3");
@Override
public void validate(String fileName, Map.Entry<String, Resource> resourceEntry, GlobalValidationContext globalContext,
ValidationContext validationContext) {
validateServiceTemplateImageAndFlavor(fileName, resourceEntry, globalContext);
}
private void validateServiceTemplateImageAndFlavor(String fileName, Map.Entry<String, Resource> entry, GlobalValidationContext globalContext) {
if (MapUtils.isEmpty(entry.getValue().getProperties())) {
return;
}
Pair<String, String> imagePair = new ImmutablePair<>("image_name", ".*_image_name");
Pair<String, String> flavorPair = new ImmutablePair<>("flavor", ".*_flavor_name");
List<Pair<String, String>> imageFlavorPairs = Arrays.asList(imagePair, flavorPair);
Map<String, Object> propertiesMap = entry.getValue().getProperties();
boolean errorExistValidatingImageOrFlavor = false;
for (Pair<String, String> imageOrFlavor : imageFlavorPairs) {
boolean errorExistWhenValidatingImageOrFlavorNames = isErrorExistWhenValidatingImageOrFlavorNames(fileName, imageOrFlavor, entry,
propertiesMap, globalContext);
errorExistValidatingImageOrFlavor = errorExistValidatingImageOrFlavor || errorExistWhenValidatingImageOrFlavorNames;
}
if (!errorExistValidatingImageOrFlavor) {
validateServiceTemplatePropertiesValuesVmtypesAreIdentical(fileName, entry, globalContext, propertiesMap);
}
}
private void validateServiceTemplatePropertiesValuesVmtypesAreIdentical(String fileName, Map.Entry<String, Resource> entry,
GlobalValidationContext globalContext,
Map<String, Object> propertiesMap) {
Pair<String, String> vmTypeImagePair = new ImmutablePair<>("image_name", "\\_image\\_name");
Pair<String, String> vmTypeFlavorPair = new ImmutablePair<>("flavor", "\\_flavor\\_name");
validatePropertiesValuesVmtypesAreIdentical(Arrays.asList(vmTypeImagePair, vmTypeFlavorPair), fileName, entry, propertiesMap, globalContext);
}
private void validatePropertiesValuesVmtypesAreIdentical(List<Pair> propertiesToMatch, String fileName, Map.Entry<String, Resource> resourceEntry,
Map<String, Object> propertiesMap, GlobalValidationContext globalContext) {
if (CollectionUtils.isEmpty(propertiesToMatch)) {
return;
}
String previousPropertyValueValue = null;
for (Pair propertyToMatch : propertiesToMatch) {
Optional<String> propertyVmType = extractVmTypeFromProperty(fileName, resourceEntry, propertiesMap, globalContext, propertyToMatch);
if (propertyVmType.isPresent()) {
String currentPropVmType = propertyVmType.get();
previousPropertyValueValue = handleFirstIteration(previousPropertyValueValue, currentPropVmType);
if (addWarningIfCurrentVmTypeIsDifferentFromPrevious(fileName, resourceEntry, globalContext, previousPropertyValueValue,
currentPropVmType)) {
return;
}
}
}
}
private boolean addWarningIfCurrentVmTypeIsDifferentFromPrevious(String fileName, Map.Entry<String, Resource> resourceEntry,
GlobalValidationContext globalContext, String previousPropertyValueValue,
String currentPropVmType) {
if (!Objects.equals(previousPropertyValueValue, currentPropVmType)) {
globalContext.addMessage(fileName, ErrorLevel.WARNING, ErrorMessagesFormatBuilder
.getErrorWithParameters(ERROR_CODE_NST1, Messages.CONTRAIL_VM_TYPE_NAME_NOT_ALIGNED_WITH_NAMING_CONVENSION.getErrorMessage(),
resourceEntry.getKey()));
return true;
}
return false;
}
private boolean isErrorExistWhenValidatingImageOrFlavorNames(String fileName, Pair<String, String> propertyNameAndRegex,
Map.Entry<String, Resource> resourceEntry, Map<String, Object> propertiesMap,
GlobalValidationContext globalContext) {
String propertyName = propertyNameAndRegex.getKey();
Object nameValue = propertiesMap.get(propertyName);
String[] regexList = new String[]{propertyNameAndRegex.getValue()};
if (nonNull(nameValue)) {
if (nameValue instanceof Map) {
globalContext.setMessageCode(ERROR_CODE_NST3);
if (ValidationUtil.validateMapPropertyValue(fileName, resourceEntry, globalContext, propertyName, nameValue, regexList)) {
return true;
}
} else {
globalContext.addMessage(fileName, ErrorLevel.WARNING, ErrorMessagesFormatBuilder
.getErrorWithParameters(ERROR_CODE_NST2, Messages.MISSING_GET_PARAM.getErrorMessage(), propertyName, resourceEntry.getKey()));
return true;
}
return false;
}
return false;
}
private Optional<String> extractVmTypeFromProperty(String fileName, Map.Entry<String, Resource> resourceEntry, Map<String, Object> propertiesMap,
GlobalValidationContext globalContext, Pair propertyKeyRegex) {
String propertyName = (String) propertyKeyRegex.getKey();
Object propertyVal = propertiesMap.get(propertyName);
if (nonNull(propertyVal)) {
if (propertyVal instanceof Map) {
String propertyValFromGetParam = ValidationUtil.getWantedNameFromPropertyValueGetParam(propertyVal);
if (nonNull(propertyValFromGetParam)) {
Pattern pattern = Pattern.compile("" + propertyKeyRegex.getValue());
return Optional.ofNullable(pattern.split(propertyValFromGetParam)[0]);
}
} else {
globalContext.addMessage(fileName, ErrorLevel.WARNING, ErrorMessagesFormatBuilder
.getErrorWithParameters(ERROR_CODE_NST2, Messages.MISSING_GET_PARAM.getErrorMessage(), propertyName, resourceEntry.getKey()));
return Optional.empty();
}
}
return Optional.empty();
}
private String handleFirstIteration(String previousPropertyValueValue, String currentPropVmType) {
String previousPropertyValue;
if (Objects.isNull(previousPropertyValueValue)) {
previousPropertyValue = currentPropVmType;
return previousPropertyValue;
}
return previousPropertyValueValue;
}
}
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