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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2021 Nokia
* ================================================================================
* Modifications Copyright (c) 2019 Samsung
* ================================================================================
* Modifications Copyright (c) 2021 Nokia
* ================================================================================
* Modifications Copyright (c) 2020 Tech Mahindra
* ================================================================================
* 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.onap.so.bpmn.infrastructure.workflow.tasks.ebb.loader;
import org.camunda.bpm.engine.delegate.DelegateExecution;
import org.javatuples.Pair;
import org.onap.aaiclient.client.aai.AAICommonObjectMapperProvider;
import org.onap.aaiclient.client.aai.entities.AAIResultWrapper;
import org.onap.aaiclient.client.aai.entities.Relationships;
import org.onap.so.bpmn.infrastructure.workflow.tasks.Resource;
import org.onap.so.bpmn.infrastructure.workflow.tasks.WorkflowActionExtractResourcesAAI;
import org.onap.so.bpmn.infrastructure.workflow.tasks.WorkflowType;
import org.onap.so.bpmn.servicedecomposition.bbobjects.Configuration;
import org.onap.so.bpmn.servicedecomposition.bbobjects.GenericVnf;
import org.onap.so.bpmn.servicedecomposition.bbobjects.ServiceInstance;
import org.onap.so.bpmn.servicedecomposition.bbobjects.VfModule;
import org.onap.so.bpmn.servicedecomposition.bbobjects.VolumeGroup;
import org.onap.so.bpmn.servicedecomposition.tasks.BBInputSetup;
import org.onap.so.bpmn.servicedecomposition.tasks.BBInputSetupUtils;
import org.onap.so.client.exception.ExceptionBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import java.util.List;
import java.util.Optional;
import static org.onap.so.bpmn.infrastructure.workflow.tasks.WorkflowActionConstants.WORKFLOW_ACTION_ERROR_MESSAGE;
@Component
public class VnfEBBLoader {
private static final Logger logger = LoggerFactory.getLogger(VnfEBBLoader.class);
private final BBInputSetupUtils bbInputSetupUtils;
private final BBInputSetup bbInputSetup;
private final WorkflowActionExtractResourcesAAI workflowActionUtils;
private final ExceptionBuilder exceptionBuilder;
VnfEBBLoader(BBInputSetupUtils bbInputSetupUtils, BBInputSetup bbInputSetup,
WorkflowActionExtractResourcesAAI workflowActionUtils, ExceptionBuilder exceptionBuilder) {
this.bbInputSetupUtils = bbInputSetupUtils;
this.bbInputSetup = bbInputSetup;
this.workflowActionUtils = workflowActionUtils;
this.exceptionBuilder = exceptionBuilder;
}
public void traverseAAIVnf(DelegateExecution execution, List<Resource> resourceList, String serviceId, String vnfId,
List<Pair<WorkflowType, String>> aaiResourceIds) {
try {
org.onap.aai.domain.yang.ServiceInstance serviceInstanceAAI =
bbInputSetupUtils.getAAIServiceInstanceById(serviceId);
ServiceInstance serviceInstanceMSO = bbInputSetup.getExistingServiceInstance(serviceInstanceAAI);
resourceList.add(new Resource(WorkflowType.SERVICE, serviceInstanceMSO.getServiceInstanceId(), false));
if (serviceInstanceMSO.getVnfs() != null) {
findVnfWithGivenId(serviceInstanceMSO, vnfId, aaiResourceIds, resourceList, execution);
}
} catch (Exception ex) {
logger.error("Exception in traverseAAIVnf", ex);
buildAndThrowException(execution,
"Could not find existing Vnf or related Instances to execute the request on.");
}
}
public void customTraverseAAIVnf(DelegateExecution execution, List<Resource> resourceList, String serviceId,
String vnfId, List<Pair<WorkflowType, String>> aaiResourceIds) {
try {
org.onap.aai.domain.yang.ServiceInstance serviceInstanceAAI =
bbInputSetupUtils.getAAIServiceInstanceById(serviceId);
ServiceInstance serviceInstanceMSO = bbInputSetup.getExistingServiceInstance(serviceInstanceAAI);
resourceList.add(new Resource(WorkflowType.SERVICE, serviceInstanceMSO.getServiceInstanceId(), false));
if (serviceInstanceMSO.getVnfs() != null) {
findVnfWithGivenIdAndAddCustomizationUUID(serviceInstanceMSO, vnfId, aaiResourceIds, resourceList,
execution);
}
} catch (Exception ex) {
logger.error("Exception in customTraverseAAIVnf", ex);
buildAndThrowException(execution,
"Could not find existing Vnf or related Instances to execute the request on.");
}
}
private void findVnfWithGivenId(ServiceInstance serviceInstanceMSO, String vnfId,
List<Pair<WorkflowType, String>> aaiResourceIds, List<Resource> resourceList, DelegateExecution execution) {
for (GenericVnf vnf : serviceInstanceMSO.getVnfs()) {
if (vnf.getVnfId().equals(vnfId)) {
aaiResourceIds.add(new Pair<>(WorkflowType.VNF, vnf.getVnfId()));
resourceList.add(new Resource(WorkflowType.VNF, vnf.getVnfId(), false));
processVfModules(vnf, aaiResourceIds, resourceList, execution);
processVolumeGroups(vnf, aaiResourceIds, resourceList);
break;
}
}
}
private void findVnfWithGivenIdAndAddCustomizationUUID(ServiceInstance serviceInstanceMSO, String vnfId,
List<Pair<WorkflowType, String>> aaiResourceIds, List<Resource> resourceList, DelegateExecution execution) {
for (GenericVnf vnf : serviceInstanceMSO.getVnfs()) {
if (vnf.getVnfId().equals(vnfId)) {
aaiResourceIds.add(new Pair<>(WorkflowType.VNF, vnf.getVnfId()));
resourceList.add(new Resource(WorkflowType.VNF,
bbInputSetupUtils.getAAIGenericVnf(vnfId).getModelCustomizationId(), false));
processVfModules(vnf, aaiResourceIds, resourceList, execution);
processVolumeGroups(vnf, aaiResourceIds, resourceList);
break;
}
}
}
private void findConfigurationsInsideVfModule(DelegateExecution execution, String vnfId, String vfModuleId,
List<Resource> resourceList, List<Pair<WorkflowType, String>> aaiResourceIds) {
try {
org.onap.aai.domain.yang.VfModule aaiVfModule = bbInputSetupUtils.getAAIVfModule(vnfId, vfModuleId);
AAIResultWrapper vfModuleWrapper = new AAIResultWrapper(
new AAICommonObjectMapperProvider().getMapper().writeValueAsString(aaiVfModule));
Optional<Relationships> relationshipsOp;
relationshipsOp = vfModuleWrapper.getRelationships();
if (relationshipsOp.isPresent()) {
relationshipsOp = workflowActionUtils.extractRelationshipsVnfc(relationshipsOp.get());
addConfigToResources(relationshipsOp, resourceList, aaiResourceIds);
}
} catch (Exception ex) {
logger.error("Exception in findConfigurationsInsideVfModule", ex);
buildAndThrowException(execution, "Failed to find Configuration object from the vfModule.");
}
}
private void processVfModules(GenericVnf vnf, List<Pair<WorkflowType, String>> aaiResourceIds,
List<Resource> resourceList, DelegateExecution execution) {
if (vnf.getVfModules() != null) {
for (VfModule vfModule : vnf.getVfModules()) {
aaiResourceIds.add(new Pair<>(WorkflowType.VFMODULE, vfModule.getVfModuleId()));
resourceList.add(new Resource(WorkflowType.VFMODULE, vfModule.getVfModuleId(), false));
findConfigurationsInsideVfModule(execution, vnf.getVnfId(), vfModule.getVfModuleId(), resourceList,
aaiResourceIds);
}
}
}
private void processVolumeGroups(GenericVnf vnf, List<Pair<WorkflowType, String>> aaiResourceIds,
List<Resource> resourceList) {
if (vnf.getVolumeGroups() != null) {
for (VolumeGroup volumeGroup : vnf.getVolumeGroups()) {
aaiResourceIds.add(new Pair<>(WorkflowType.VOLUMEGROUP, volumeGroup.getVolumeGroupId()));
resourceList.add(new Resource(WorkflowType.VOLUMEGROUP, volumeGroup.getVolumeGroupId(), false));
}
}
}
private void addConfigToResources(Optional<Relationships> relationshipsOp, List<Resource> resourceList,
List<Pair<WorkflowType, String>> aaiResourceIds) {
if (relationshipsOp.isPresent()) {
Optional<Configuration> config =
workflowActionUtils.extractRelationshipsConfiguration(relationshipsOp.get());
if (config.isPresent()) {
aaiResourceIds.add(new Pair<>(WorkflowType.CONFIGURATION, config.get().getConfigurationId()));
resourceList.add(new Resource(WorkflowType.CONFIGURATION, config.get().getConfigurationId(), false));
}
}
}
private void buildAndThrowException(DelegateExecution execution, String msg) {
logger.error(msg);
execution.setVariable(WORKFLOW_ACTION_ERROR_MESSAGE, msg);
exceptionBuilder.buildAndThrowWorkflowException(execution, 7000, msg);
}
}
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