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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.sdc.translator.services.heattotosca.impl.resourcetranslation;
import org.apache.commons.collections4.CollectionUtils;
import org.openecomp.sdc.heat.datatypes.model.Resource;
import org.openecomp.sdc.tosca.datatypes.ToscaGroupType;
import org.openecomp.sdc.tosca.datatypes.ToscaPolicyType;
import org.openecomp.sdc.tosca.datatypes.model.GroupDefinition;
import org.openecomp.sdc.tosca.datatypes.model.PolicyDefinition;
import org.openecomp.sdc.tosca.datatypes.ToscaTopologyTemplateElements;
import org.openecomp.sdc.tosca.services.DataModelUtil;
import org.openecomp.sdc.translator.datatypes.heattotosca.to.TranslateTo;
import org.openecomp.sdc.translator.services.heattotosca.mapping.TranslatorHeatToToscaPropertyConverter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
public class ResourceTranslationNovaServerGroupsImpl extends ResourceTranslationBase {
private static final String AFFINITY = "affinity";
private static final String ANTI_AFFINITY = "anti-affinity";
private static List<String> supportedPolicies = Arrays.asList(AFFINITY, ANTI_AFFINITY);
@Override
protected String generateTranslatedId(TranslateTo translateTo) {
return isEssentialRequirementsValid(translateTo) ? getTranslatedGroupId(
translateTo.getResourceId()) : null;
}
@Override
protected boolean isEssentialRequirementsValid(TranslateTo translateTo) {
return validatePolicyType(translateTo);
}
@Override
protected Optional<ToscaTopologyTemplateElements> getTranslatedToscaTopologyElement(
TranslateTo translateTo) {
if (isEssentialRequirementsValid(translateTo)) {
return Optional.of(ToscaTopologyTemplateElements.GROUP);
} else {
return Optional.empty();
}
}
private boolean validatePolicyType(TranslateTo translateTo) {
Map<String, Object> properties = translateTo.getResource().getProperties();
if (Objects.isNull(properties) || Objects.isNull(properties.get("policies"))) {
return true;
}
Object policies = properties.get("policies");
if (!(policies instanceof List)) {
return false;
}
for (Object policy : (List) policies) {
if (!isValidPolicyType(policy, translateTo.getResourceId(), translateTo.getResource())) {
return false;
}
}
return true;
}
private boolean isValidPolicyType(Object policy, String resourceId, Resource resource) {
if (!(policy instanceof String)) {
return false;
}
if ((policy instanceof String) && !supportedPolicies.contains(policy)) {
logger.warn("Resource '" + resourceId + "'(" + resource.getType()
+ ") contains unsupported policy '" + policy.toString()
+ "'. This resource is been ignored during the translation");
return false;
}
return true;
}
@Override
protected void translate(TranslateTo translateTo) {
mdcDataDebugMessage.debugEntryMessage(null, null);
String resourceId = translateTo.getResourceId();
List<String> toscaPolicyTypes = getToscaPolicies(translateTo.getResource(), resourceId);
if (!CollectionUtils.isEmpty(toscaPolicyTypes)) {
String translatedGroupId = addGroupToTopology(translateTo, resourceId);
addPoliciesToTopology(translateTo, translatedGroupId, toscaPolicyTypes);
}
mdcDataDebugMessage.debugExitMessage(null, null);
}
private void addPoliciesToTopology(TranslateTo translateTo, String policyTargetEntityId,
List<String> toscaPolicyTypes) {
mdcDataDebugMessage.debugEntryMessage(null, null);
logger.info("******** Start creating policies for resource '%s' ********",
translateTo.getResourceId());
for (int i = 0; i < toscaPolicyTypes.size(); i++) {
String policy = toscaPolicyTypes.get(i);
logger.info("******** Creating policy '%s' ********", policy);
PolicyDefinition policyDefinition = new PolicyDefinition();
policyDefinition.setType(policy);
policyDefinition.setTargets(Arrays.asList(policyTargetEntityId));
policyDefinition.setProperties(TranslatorHeatToToscaPropertyConverter
.getToscaPropertiesSimpleConversion(translateTo.getServiceTemplate(),
translateTo.getResourceId(),translateTo.getResource().getProperties(),
policyDefinition.getProperties(), translateTo.getHeatFileName(),
translateTo.getHeatOrchestrationTemplate(), translateTo.getResource().getType(),
policyDefinition, translateTo.getContext()));
policyDefinition.getProperties().put(
policy.equals(ToscaPolicyType.PLACEMENT_ANTILOCATE) ? "container_type"
: AFFINITY, "host");
String policyId = getTranslatedPolicyId(translateTo, toscaPolicyTypes, i);
DataModelUtil
.addPolicyDefinition(translateTo.getServiceTemplate(), policyId, policyDefinition);
logger.info("******** Policy '%s' created ********", policy);
}
logger
.info("******** All policies for resource '%s' created successfully ********",
translateTo.getResourceId());
mdcDataDebugMessage.debugExitMessage(null, null);
}
private String getTranslatedPolicyId(TranslateTo translateTo, List<String> toscaPolicyTypes,
int policyIndex) {
mdcDataDebugMessage.debugEntryMessage(null, null);
mdcDataDebugMessage.debugExitMessage(null, null);
return translateTo.getResourceId() + (toscaPolicyTypes.size() > 1 ? policyIndex : "")
+ "_policy";
}
private String addGroupToTopology(TranslateTo translateTo, String resourceId) {
mdcDataDebugMessage.debugEntryMessage(null, null);
logger.info("******** Start creating group for resource '%s' ********", resourceId);
GroupDefinition group = new GroupDefinition();
group.setMembers(new ArrayList<>());
group.setType(ToscaGroupType.NATIVE_ROOT);
String translatedGroupId = getTranslatedGroupId(resourceId);
DataModelUtil
.addGroupDefinitionToTopologyTemplate(translateTo.getServiceTemplate(),
translatedGroupId, group);
logger.info("******** Creating group '%s' for resource '%s' ********", resourceId, resourceId);
mdcDataDebugMessage.debugExitMessage(null, null);
return translatedGroupId;
}
private String getTranslatedGroupId(String resourceId) {
return resourceId + "_group";
}
private List<String> getToscaPolicies(Resource resource, String resourceId) {
mdcDataDebugMessage.debugEntryMessage(null, null);
Map<String, Object> properties = resource.getProperties();
if (Objects.isNull(properties) || Objects.isNull(properties.get("policies"))) {
return Arrays.asList(ToscaPolicyType.PLACEMENT_ANTILOCATE);
}
List<Object> policies = (List) properties.get("policies");
List<String> retList = new ArrayList<>();
policies.forEach(policy -> {
if (isValidPolicyType(policy, resourceId, resource)) {
retList.add(getToscaPolicyByHotPolicy(policy));
}
});
mdcDataDebugMessage.debugExitMessage(null, null);
return retList;
}
private String getToscaPolicyByHotPolicy(Object policy) {
if (Objects.equals(policy, AFFINITY)) {
return ToscaPolicyType.PLACEMENT_COLOCATE;
} else {
return ToscaPolicyType.PLACEMENT_ANTILOCATE;
}
}
}
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