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/*
* Copyright © 2018 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;
import org.apache.commons.collections4.MapUtils;
import org.onap.sdc.tosca.services.YamlUtil;
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.manifest.FileData;
import org.openecomp.sdc.heat.datatypes.manifest.ManifestContent;
import org.openecomp.sdc.heat.datatypes.model.HeatOrchestrationTemplate;
import org.openecomp.sdc.heat.datatypes.model.Resource;
import org.openecomp.sdc.heat.services.HeatConstants;
import org.openecomp.sdc.heat.services.manifest.ManifestUtil;
import org.openecomp.sdc.logging.api.Logger;
import org.openecomp.sdc.logging.api.LoggerFactory;
import org.openecomp.sdc.validation.Validator;
import org.openecomp.sdc.validation.tos.ContrailResourcesMappingTo;
import org.openecomp.sdc.validation.util.ValidationUtil;
import java.io.InputStream;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
public class ContrailValidator implements Validator {
private static final Logger LOGGER = LoggerFactory.getLogger(ContrailValidator.class);
private static final ErrorMessageCode ERROR_CODE_CTL_1 = new ErrorMessageCode("CTL1");
private static final ErrorMessageCode ERROR_CODE_CTL_2 = new ErrorMessageCode("CTL2");
private static final ErrorMessageCode ERROR_CODE_CTL_3 = new ErrorMessageCode("CTL3");
private static final ErrorMessageCode ERROR_CODE_CTL_4 = new ErrorMessageCode("CTL4");
@Override
public void validate(GlobalValidationContext globalContext) {
ManifestContent manifestContent;
try {
manifestContent = ValidationUtil.validateManifest(globalContext);
} catch (Exception exception) {
LOGGER.error("Failed to validate manifest file", exception);
return;
}
Map<String, FileData.Type> fileTypeMap = ManifestUtil.getFileTypeMap(manifestContent);
ContrailResourcesMappingTo contrailResourcesMappingTo = new ContrailResourcesMappingTo();
globalContext.getFiles().stream()
.filter(fileName -> FileData.isHeatFile(fileTypeMap.get(fileName)))
.forEach(fileName -> validate(fileName,
contrailResourcesMappingTo, globalContext));
}
private void validate(String fileName,
ContrailResourcesMappingTo contrailResourcesMappingTo,
GlobalValidationContext globalContext) {
handleContrailV1AndContrailV2ResourceMerging(fileName, contrailResourcesMappingTo,
globalContext);
validateNoContrailResourceTypeIsInUse(fileName, globalContext);
}
private void handleContrailV1AndContrailV2ResourceMerging(String fileName,
ContrailResourcesMappingTo contrailResourcesMappingTo,
GlobalValidationContext globalContext) {
Optional<ContrailResourcesMappingTo> fileContrailResourcesMappingTo =
collectHeatFileContrailResources(globalContext, fileName);
fileContrailResourcesMappingTo.ifPresent(contrailResourcesMappingTo::addAll);
addContrailMergeValidationMessageToGlobalContext(globalContext, contrailResourcesMappingTo);
}
private void addContrailMergeValidationMessageToGlobalContext(
GlobalValidationContext globalContext,
ContrailResourcesMappingTo contrailResourcesMappingTo) {
if (!MapUtils.isEmpty(contrailResourcesMappingTo.getContrailV1Resources())
&& !MapUtils.isEmpty(contrailResourcesMappingTo.getContrailV2Resources())) {
globalContext.addMessage(
contrailResourcesMappingTo.getContrailV1Resources().keySet().iterator().next(),
ErrorLevel.WARNING, ErrorMessagesFormatBuilder.getErrorWithParameters(
ERROR_CODE_CTL_2, Messages.MERGE_OF_CONTRAIL2_AND_CONTRAIL3_RESOURCES.getErrorMessage(),
contrailResourcesMappingTo.fetchContrailV1Resources(),
contrailResourcesMappingTo.fetchContrailV2Resources()));
}
}
private Optional<ContrailResourcesMappingTo> collectHeatFileContrailResources(
GlobalValidationContext globalContext, String fileName) {
Optional<InputStream> fileContent = globalContext.getFileContent(fileName);
if (!fileContent.isPresent()) {
globalContext.addMessage(fileName, ErrorLevel.ERROR, ErrorMessagesFormatBuilder
.getErrorWithParameters(ERROR_CODE_CTL_1, Messages.INVALID_HEAT_FORMAT_REASON
.getErrorMessage(),
"The file '" + fileName + "' has no content"));
return Optional.empty();
}
return fetchContrailResourcesMapping(fileName, fileContent.get());
}
private Optional<ContrailResourcesMappingTo> fetchContrailResourcesMapping(String fileName,
InputStream fileContent ) {
ContrailResourcesMappingTo contrailResourcesMappingTo = new ContrailResourcesMappingTo();
HeatOrchestrationTemplate heatOrchestrationTemplate;
try {
heatOrchestrationTemplate =
new YamlUtil().yamlToObject(fileContent, HeatOrchestrationTemplate.class);
} catch (Exception ignored) {
LOGGER.error("Invalid file content : " + fileContent, ignored);
// the HeatValidator should handle file that is failing to parse
return Optional.empty();
}
if( !MapUtils.isEmpty(heatOrchestrationTemplate.getResources())) {
heatOrchestrationTemplate.getResources().entrySet()
.forEach(entry -> {
if (entry.getValue().getType().startsWith(HeatConstants.CONTRAIL_RESOURCE_PREFIX)) {
contrailResourcesMappingTo.addContrailV1Resource(fileName, entry.getKey());
} else if (entry.getValue().getType()
.startsWith(HeatConstants.CONTRAIL_V2_RESOURCE_PREFIX)) {
contrailResourcesMappingTo.addContrailV2Resource(fileName, entry.getKey());
}
});
}
return Optional.of(contrailResourcesMappingTo);
}
private void validateNoContrailResourceTypeIsInUse(String fileName,
GlobalValidationContext globalContext) {
globalContext.setMessageCode(ERROR_CODE_CTL_4);
HeatOrchestrationTemplate heatOrchestrationTemplate =
ValidationUtil.checkHeatOrchestrationPreCondition(fileName, globalContext);
if (heatOrchestrationTemplate == null) {
return;
}
validateResourcePrefix(fileName, globalContext, heatOrchestrationTemplate);
}
private void validateResourcePrefix(String fileName, GlobalValidationContext globalContext,
HeatOrchestrationTemplate heatOrchestrationTemplate) {
Map<String, Resource> resourcesMap = heatOrchestrationTemplate.getResources();
if(!MapUtils.isEmpty(resourcesMap)) {
for (Map.Entry<String, Resource> resourceEntry : resourcesMap.entrySet()) {
String type = resourceEntry.getValue().getType();
if (Objects.nonNull(type) && type.startsWith(HeatConstants.CONTRAIL_RESOURCE_PREFIX)) {
globalContext.addMessage(fileName, ErrorLevel.WARNING, ErrorMessagesFormatBuilder
.getErrorWithParameters(ERROR_CODE_CTL_3, Messages.CONTRAIL_2_IN_USE.getErrorMessage(),
resourceEntry.getKey()));
}
}
}
}
}
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