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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 org.apache.commons.collections4.CollectionUtils;
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.Resource;
import org.openecomp.sdc.heat.datatypes.model.ResourceReferenceFunctions;
import org.openecomp.sdc.heat.services.HeatStructureUtil;
import org.openecomp.sdc.logging.context.impl.MdcDataDebugMessage;
import org.openecomp.sdc.logging.types.LoggerErrorDescription;
import org.openecomp.sdc.logging.types.LoggerTragetServiceName;
import org.openecomp.sdc.validation.ResourceValidator;
import org.openecomp.sdc.validation.ValidationContext;
import org.openecomp.sdc.validation.type.HeatResourceValidationContext;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
public class NeutronPortResourceValidator implements ResourceValidator {
private static final MdcDataDebugMessage MDC_DATA_DEBUG_MESSAGE = new MdcDataDebugMessage();
private static final ErrorMessageCode ERROR_HPRODE_HPR1 = new ErrorMessageCode("HPR1");
private static final ErrorMessageCode ERROR_HPRODE_HPR2 = new ErrorMessageCode("HPR2");
private static final ErrorMessageCode ERROR_HPRODE_HPR3 = new ErrorMessageCode("HPR3");
@Override
public void validate(String fileName, Map.Entry<String, Resource> resourceEntry,
GlobalValidationContext globalContext, ValidationContext validationContext) {
validateNovaServerPortBinding(fileName,
resourceEntry, (HeatResourceValidationContext) validationContext, globalContext);
}
@SuppressWarnings("unchecked")
private static void validateNovaServerPortBinding(String fileName,
Map.Entry<String, Resource> resourceEntry,
HeatResourceValidationContext heatResourceValidationContext,
GlobalValidationContext globalContext) {
MDC_DATA_DEBUG_MESSAGE.debugEntryMessage("file", fileName);
Map<String, Map<String, List<String>>> portIdToPointingResources =
heatResourceValidationContext.getFileLevelResourceDependencies()
.get(HeatResourcesTypes.NEUTRON_PORT_RESOURCE_TYPE.getHeatResource());
String portResourceId = resourceEntry.getKey();
if (MapUtils.isEmpty(portIdToPointingResources)) {
globalContext
.addMessage(fileName, ErrorLevel.WARNING,
ErrorMessagesFormatBuilder
.getErrorWithParameters(
ERROR_HPRODE_HPR1, Messages.PORT_NO_BIND_TO_ANY_NOVA_SERVER.getErrorMessage(),
portResourceId), LoggerTragetServiceName.CHECK_FOR_ORPHAN_PORTS,
LoggerErrorDescription.NO_BIND_FROM_PORT_TO_NOVA);
return;
}
Map<String, List<String>> pointingResourcesToCurrPort =
portIdToPointingResources.get(portResourceId);
checkPortBindingFromMap(
fileName, portResourceId, pointingResourcesToCurrPort, globalContext);
MDC_DATA_DEBUG_MESSAGE.debugExitMessage("file", fileName);
}
private static void checkPortBindingFromMap(String fileName,
String portResourceId,
Map<String, List<String>> resourcesPointingToCurrPort,
GlobalValidationContext globalContext) {
List<String> pointingNovaServers =
MapUtils.isEmpty(resourcesPointingToCurrPort) ? new ArrayList<>()
: resourcesPointingToCurrPort.get(HeatResourcesTypes.NOVA_SERVER_RESOURCE_TYPE.getHeatResource());
handleErrorEventsForPortBinding(
fileName, portResourceId, globalContext, pointingNovaServers);
}
private static void handleErrorEventsForPortBinding(String fileName,
String portResourceId,
GlobalValidationContext globalContext,
List<String> pointingNovaServers) {
if (isThereMoreThanOneBindFromNovaToPort(pointingNovaServers)) {
globalContext
.addMessage(fileName, ErrorLevel.ERROR,
ErrorMessagesFormatBuilder
.getErrorWithParameters(
ERROR_HPRODE_HPR2, Messages.MORE_THAN_ONE_BIND_FROM_NOVA_TO_PORT.getErrorMessage(),
portResourceId),
LoggerTragetServiceName.VALIDATE_NOVA_SERVER_PORT_BINDING,
LoggerErrorDescription.PORT_BINDS_MORE_THAN_ONE_NOVA);
}
if (isNoNovaPointingToPort(pointingNovaServers)) {
globalContext
.addMessage(fileName, ErrorLevel.WARNING,
ErrorMessagesFormatBuilder
.getErrorWithParameters(
ERROR_HPRODE_HPR3, Messages.PORT_NO_BIND_TO_ANY_NOVA_SERVER.getErrorMessage(),
portResourceId), LoggerTragetServiceName.CHECK_FOR_ORPHAN_PORTS,
LoggerErrorDescription.NO_BIND_FROM_PORT_TO_NOVA);
}
}
private static boolean isNoNovaPointingToPort(List<String> pointingNovaServers) {
return CollectionUtils.isEmpty(pointingNovaServers);
}
private static boolean isThereMoreThanOneBindFromNovaToPort(List<String> pointingNovaServers) {
return CollectionUtils.isNotEmpty(pointingNovaServers)
&& pointingNovaServers.size() > 1;
}
@SuppressWarnings("unchecked")
private static void validateAllSecurityGroupsAreUsed(String filename,
Map.Entry<String, Resource> resourceEntry,
List<String> securityGroupResourceNameList,
GlobalValidationContext globalContext) {
MDC_DATA_DEBUG_MESSAGE.debugEntryMessage("file", filename);
Map<String, Object> propertiesMap = resourceEntry.getValue().getProperties();
if (MapUtils.isEmpty(propertiesMap)) {
return;
}
Object securityGroupsValue = propertiesMap.get("security_groups");
if (Objects.isNull(securityGroupsValue)) {
return;
}
if (securityGroupsValue instanceof List) {
List<Object> securityGroupsListFromCurrResource =
(List<Object>) propertiesMap.get("security_groups");
for (Object securityGroup : securityGroupsListFromCurrResource) {
removeSecurityGroupNamesFromListByGivenFunction(filename,
ResourceReferenceFunctions.GET_RESOURCE.getFunction(), securityGroup,
securityGroupResourceNameList, globalContext);
}
}
MDC_DATA_DEBUG_MESSAGE.debugExitMessage("file", filename);
}
private static void removeSecurityGroupNamesFromListByGivenFunction(String filename,
String functionName,
Object securityGroup,
Collection<String>
securityGroupResourceNameList,
GlobalValidationContext globalContext) {
Set<String> securityGroupsNamesFromFunction = HeatStructureUtil
.getReferencedValuesByFunctionName(filename, functionName, securityGroup, globalContext);
securityGroupsNamesFromFunction.forEach(securityGroupResourceNameList::remove);
}
}
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