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package org.onap.so.apihandlerinfra.infra.rest;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;
import org.onap.aai.domain.yang.GenericVnf;
import org.onap.aai.domain.yang.L3Network;
import org.onap.aai.domain.yang.LInterface;
import org.onap.aai.domain.yang.Service;
import org.onap.aai.domain.yang.ServiceInstance;
import org.onap.aai.domain.yang.Tenant;
import org.onap.aai.domain.yang.VfModule;
import org.onap.aai.domain.yang.VfModules;
import org.onap.aai.domain.yang.VolumeGroup;
import org.onap.aai.domain.yang.VolumeGroups;
import org.onap.so.apihandlerinfra.infra.rest.exception.AAIEntityNotFound;
import org.onap.aaiclient.client.aai.AAIDSLQueryClient;
import org.onap.aaiclient.client.aai.AAIObjectPlurals;
import org.onap.aaiclient.client.aai.AAIObjectType;
import org.onap.aaiclient.client.aai.AAIResourcesClient;
import org.onap.aaiclient.client.aai.entities.AAIResultWrapper;
import org.onap.aaiclient.client.aai.entities.uri.AAIPluralResourceUri;
import org.onap.aaiclient.client.aai.entities.uri.AAIUriFactory;
import org.onap.aaiclient.client.graphinventory.entities.DSLQuery;
import org.onap.aaiclient.client.graphinventory.entities.DSLQueryBuilder;
import org.onap.aaiclient.client.graphinventory.entities.DSLStartNode;
import org.onap.aaiclient.client.graphinventory.entities.Node;
import org.onap.aaiclient.client.graphinventory.entities.Start;
import org.onap.aaiclient.client.graphinventory.entities.TraversalBuilder;
import org.onap.aaiclient.client.graphinventory.entities.__;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
@Component
public class AAIDataRetrieval {
private static final String VF_MODULE_NOT_FOUND_IN_INVENTORY_VNF_ID = "VF Module Not Found In Inventory, VnfId: ";
private AAIResourcesClient aaiResourcesClient;
private AAIDSLQueryClient aaiDslQueryClient;
private static final Logger logger = LoggerFactory.getLogger(AAIDataRetrieval.class);
public ServiceInstance getServiceInstance(String serviceInstanceId) {
return this.getAaiResourcesClient()
.get(ServiceInstance.class,
AAIUriFactory.createResourceUri(AAIObjectType.SERVICE_INSTANCE, serviceInstanceId))
.orElseGet(() -> {
logger.debug("No Service Instance found in A&AI ServiceInstanceId: {}", serviceInstanceId);
return null;
});
}
public VfModule getAAIVfModule(String vnfId, String vfModuleId) {
return this.getAaiResourcesClient()
.get(VfModule.class, AAIUriFactory.createResourceUri(AAIObjectType.VF_MODULE, vnfId, vfModuleId))
.orElseGet(() -> {
logger.debug("No Vf Module found in A&AI VnfId: {}" + ", VfModuleId: {}", vnfId, vfModuleId);
return null;
});
}
public GenericVnf getGenericVnf(String vnfId) {
return this.getAaiResourcesClient()
.get(GenericVnf.class, AAIUriFactory.createResourceUri(AAIObjectType.GENERIC_VNF, vnfId))
.orElseGet(() -> {
logger.debug("No Generic VNF found in A&AI VnfId: {}", vnfId);
return null;
});
}
public VolumeGroup getVolumeGroup(String vnfId, String volumeGroupId) throws AAIEntityNotFound {
AAIResultWrapper wrapper =
this.getAaiResourcesClient().get(AAIUriFactory.createResourceUri(AAIObjectType.GENERIC_VNF, vnfId)
.relatedTo(AAIObjectType.VOLUME_GROUP, volumeGroupId));
Optional<VolumeGroup> volume = wrapper.asBean(VolumeGroup.class);
if (volume.isPresent()) {
return volume.get();
} else {
logger.debug("No VolumeGroup in A&AI found: {}", vnfId);
return null;
}
}
public L3Network getNetwork(String networkId) {
return this.getAaiResourcesClient()
.get(L3Network.class, AAIUriFactory.createResourceUri(AAIObjectType.L3_NETWORK, networkId))
.orElseGet(() -> {
logger.debug("No Network found in A&AI NetworkId: {}", networkId);
return null;
});
}
public boolean isVolumeGroupRelatedToVFModule(String volumeGroupId) {
return this.getAaiResourcesClient().exists(AAIUriFactory
.createResourceUri(AAIObjectType.VOLUME_GROUP, volumeGroupId).relatedTo(AAIObjectPlurals.VF_MODULE));
}
public boolean isVnfRelatedToVolumes(String vnfId) {
return this.getAaiResourcesClient().exists(AAIUriFactory.createResourceUri(AAIObjectType.GENERIC_VNF, vnfId)
.relatedTo(AAIObjectPlurals.VOLUME_GROUP));
}
public boolean isNetworkRelatedToModules(String networkId) {
return this.getAaiResourcesClient().exists(AAIUriFactory.createResourceUri(AAIObjectType.L3_NETWORK, networkId)
.relatedTo(AAIObjectPlurals.VF_MODULE));
}
public boolean isServiceRelatedToNetworks(String serviceInstanceId) {
return this.getAaiResourcesClient()
.exists(AAIUriFactory.createResourceUri(AAIObjectType.SERVICE_INSTANCE, serviceInstanceId)
.relatedTo(AAIObjectPlurals.L3_NETWORK));
}
public boolean isServiceRelatedToGenericVnf(String serviceInstanceId) {
return this.getAaiResourcesClient()
.exists(AAIUriFactory.createResourceUri(AAIObjectType.SERVICE_INSTANCE, serviceInstanceId)
.relatedTo(AAIObjectPlurals.GENERIC_VNF));
}
public boolean isServiceRelatedToConfiguration(String serviceInstanceId) {
return this.getAaiResourcesClient()
.exists(AAIUriFactory.createResourceUri(AAIObjectType.SERVICE_INSTANCE, serviceInstanceId)
.relatedTo(AAIObjectPlurals.CONFIGURATION));
}
public Service getService(String serviceId) {
return this.getAaiResourcesClient()
.get(Service.class, AAIUriFactory.createResourceUri(AAIObjectType.SERVICE, serviceId)).orElseGet(() -> {
logger.debug("No Service found in A&AI ServiceId: {}", serviceId);
return null;
});
}
public Tenant getTenant(String cloudOwner, String cloudRegion, String tenantId) {
return this.getAaiResourcesClient()
.get(Tenant.class,
AAIUriFactory.createResourceUri(AAIObjectType.TENANT, cloudOwner, cloudRegion, tenantId))
.orElseGet(() -> {
logger.debug("No Tenant found in A&AI TenantId: {}", tenantId);
return null;
});
}
public List<LInterface> getLinterfacesOfVnf(String vnfId) {
DSLStartNode startNode = new DSLStartNode(AAIObjectType.GENERIC_VNF, __.key("vnf-id", vnfId));
DSLQueryBuilder<Start, Node> builder = TraversalBuilder.fragment(startNode)
.to(__.node(AAIObjectType.VSERVER).to(__.node(AAIObjectType.L_INTERFACE).output()));
List<LInterface> linterfaces =
getAAIDSLQueryClient().querySingleResource(new DSLQuery(builder.build()), LInterface.class);
return linterfaces;
}
private AAIDSLQueryClient getAAIDSLQueryClient() {
if (aaiDslQueryClient == null) {
aaiDslQueryClient = new AAIDSLQueryClient();
}
return aaiDslQueryClient;
}
protected AAIResourcesClient getAaiResourcesClient() {
if (aaiResourcesClient == null) {
aaiResourcesClient = new AAIResourcesClient();
}
return aaiResourcesClient;
}
public boolean isVnfRelatedToVFModule(String vnfId) {
return !getVfModulesOfVnf(vnfId).isEmpty();
}
public List<VfModule> getVfModulesOfVnf(String vnfId) {
List<VfModule> vfModuleList = new ArrayList<VfModule>();
AAIPluralResourceUri uri = AAIUriFactory.createResourceUri(AAIObjectPlurals.VF_MODULE, vnfId);
Optional<VfModules> vfModules = getAaiResourcesClient().get(VfModules.class, uri);
if (!vfModules.isPresent() || vfModules.get().getVfModule().isEmpty()) {
logger.debug("No VfModules attached to Vnf in AAI : {}", vnfId);
} else {
vfModuleList = vfModules.get().getVfModule();
}
return vfModuleList;
}
public Optional<String> getVfModuleIdsByVnfId(String vnfId) {
List<VfModule> vfModulesList = getVfModulesOfVnf(vnfId);
if (!vfModulesList.isEmpty()) {
return Optional.of(vfModulesList.stream().map(item -> item.getVfModuleId()).collect(Collectors.toList())
.stream().sorted().collect(Collectors.joining(",")));
} else {
return Optional.empty();
}
}
public List<VolumeGroup> getVolumeGroupsOfVnf(String vnfId) {
List<VolumeGroup> volumeGroupList = new ArrayList<VolumeGroup>();
AAIPluralResourceUri uri = AAIUriFactory.createResourceUri(AAIObjectType.GENERIC_VNF, vnfId)
.relatedTo(AAIObjectPlurals.VOLUME_GROUP);
Optional<VolumeGroups> volumeGroups = getAaiResourcesClient().get(VolumeGroups.class, uri);
if (!volumeGroups.isPresent() || volumeGroups.get().getVolumeGroup().isEmpty()) {
logger.debug("No VolumeGroups attached to Vnf in AAI : {}", vnfId);
} else {
volumeGroupList = volumeGroups.get().getVolumeGroup();
}
return volumeGroupList;
}
public Optional<String> getVolumeGroupIdsByVnfId(String vnfId) {
List<VolumeGroup> volumeGroupList = getVolumeGroupsOfVnf(vnfId);
if (!volumeGroupList.isEmpty()) {
return Optional.of(volumeGroupList.stream().map(item -> item.getVolumeGroupId())
.collect(Collectors.toList()).stream().sorted().collect(Collectors.joining(",")));
} else {
return Optional.empty();
}
}
}
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