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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2021 Samsung Electronics Co. Ltd. All rights reserved.
* Modifications Copyright (C) 2021 Orange.
* ================================================================================
* 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.adapters.cnf.util;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import org.onap.aaiclient.client.aai.AAIResourcesClient;
import org.onap.aaiclient.client.aai.AAITransactionalClient;
import org.onap.aaiclient.client.aai.AAIVersion;
import org.onap.aaiclient.client.aai.entities.uri.AAIResourceUri;
import org.onap.aaiclient.client.aai.entities.uri.AAIUriFactory;
import org.onap.aaiclient.client.generated.fluentbuilders.AAIFluentTypeBuilder;
import org.onap.aaiclient.client.generated.fluentbuilders.AAIFluentTypeBuilder.Types;
import org.onap.aaiclient.client.generated.fluentbuilders.K8sResource;
import org.onap.aaiclient.client.graphinventory.exceptions.BulkProcessFailed;
import org.onap.so.adapters.cnf.model.instantiation.AaiRequest;
import org.onap.so.adapters.cnf.service.aai.KubernetesResource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;
public class AaiRepository implements IAaiRepository {
private final static Logger logger = LoggerFactory.getLogger(IAaiRepository.class);
private final static Gson gson = new GsonBuilder().disableHtmlEscaping().create();
private final AAIResourcesClient aaiClient;
private final ObjectMapper objectMapper;
private AAITransactionalClient transaction;
public static IAaiRepository instance() {
return new AaiRepository();
}
private AaiRepository() {
aaiClient = new AAIResourcesClient(AAIVersion.LATEST);
this.objectMapper = new ObjectMapper();
}
private AAITransactionalClient getTransaction() {
if (transaction == null)
transaction = aaiClient.beginTransaction();
return transaction;
}
@Override
public void commit(boolean dryrun) {
try {
if (transaction != null)
transaction.execute(dryrun);
else
logger.info("Nothing to commit in AAI");
} catch (BulkProcessFailed bulkProcessFailed) {
throw new RuntimeException("Failed to exectute transaction", bulkProcessFailed);
}
}
@Override
public void update(KubernetesResource resource, AaiRequest aaiRequest) {
logger.info("updating AAI with resource {} and request {}", resource, aaiRequest);
K8sResource k8sResource = AAIFluentTypeBuilder.cloudInfrastructure()
.cloudRegion(aaiRequest.getCloudOwner(), aaiRequest.getCloudRegion())
.tenant(aaiRequest.getTenantId())
.k8sResource(resource.getId());
AAIResourceUri k8sResourceUri =
AAIUriFactory.createResourceUri(k8sResource.build(), aaiRequest.getCloudOwner(), aaiRequest.getCloudRegion(), aaiRequest.getTenantId(), resource.getId());
var k8sResourceInstance = aaiClient.get(k8sResourceUri);
boolean updateK8sResource = true;
if (!k8sResourceInstance.isEmpty()) {
try {
KubernetesResource resourceReference = objectMapper.readValue(k8sResourceInstance.getJson(), KubernetesResource.class);
updateK8sResource = !resourceReference.compare(resource);
if (updateK8sResource)
resource.setResourceVersion(resourceReference.getResourceVersion());
} catch (JsonProcessingException e) {
throw new RuntimeException(e);
}
}
if (updateK8sResource) {
String payload = null;
try {
payload = objectMapper.writeValueAsString(resource);
} catch (JsonProcessingException e) {
throw new RuntimeException(e);
}
logger.debug("K8s resource URI: " + k8sResourceUri + " with payload [" + payload + "]");
getTransaction().create(k8sResourceUri, payload);
}
final String genericVnfId = aaiRequest.getGenericVnfId();
final String vfModuleId = aaiRequest.getVfModuleId();
if (genericVnfId == null || vfModuleId == null) {
logger.debug("No genericVnfId or vfModuleId to create relations for payload [\" + payload + \"]\");");
return;
}
var vfModuleUri = AAIUriFactory.createResourceUri(
AAIFluentTypeBuilder.network().genericVnf(genericVnfId).vfModule(vfModuleId));
var instance = aaiClient.get(vfModuleUri);
if (instance.isEmpty())
logger.error("Specified VfModule [" + vfModuleId + "] does not exist in AAI");
else if (k8sResourceInstance.isEmpty() || !k8sResourceInstance.hasRelationshipsTo(Types.VF_MODULE)) {
getTransaction().connect(k8sResourceUri, vfModuleUri);
}
var genericVnfUri = AAIUriFactory.createResourceUri(
AAIFluentTypeBuilder.network().genericVnf(genericVnfId));
instance = aaiClient.get(genericVnfUri);
if (instance.isEmpty())
logger.error("Specified GenericVnf [" + genericVnfId + "] does not exist in AAI");
else if (k8sResourceInstance.isEmpty() || !k8sResourceInstance.hasRelationshipsTo(Types.GENERIC_VNF)) {
getTransaction().connect(k8sResourceUri, genericVnfUri);
}
}
@Override
public void delete(AaiRequest aaiRequest, List<KubernetesResource> excludedList) {
logger.info("deleting from AAI resource {}", aaiRequest);
final String genericVnfId = aaiRequest.getGenericVnfId();
final String vfModuleId = aaiRequest.getVfModuleId();
final List<String> excludedIds = excludedList == null ? List.of() :
excludedList.stream().map(KubernetesResource::getId).collect(Collectors.toList());
if (genericVnfId == null || vfModuleId == null) {
logger.debug("No genericVnfId or vfModuleId to delete k8s-resources");
return;
}
var vfModuleUri = AAIUriFactory.createResourceUri(
AAIFluentTypeBuilder.network().genericVnf(genericVnfId).vfModule(vfModuleId));
var instance = aaiClient.get(vfModuleUri);
if (instance.hasRelationshipsTo(Types.K8S_RESOURCE) && instance.getRelationships().isPresent()) {
List<KubernetesResource> resources = instance.getRelationships().get().getByType(Types.K8S_RESOURCE)
.stream()
.map(r -> r.asBean(KubernetesResource.class))
.filter(r -> r.isPresent() && !excludedIds.contains(r.get().getId()))
.map(Optional::get)
.collect(Collectors.toList());
resources.stream().map(r -> {
K8sResource k8sResource = AAIFluentTypeBuilder.cloudInfrastructure()
.cloudRegion(aaiRequest.getCloudOwner(), aaiRequest.getCloudRegion())
.tenant(aaiRequest.getTenantId())
.k8sResource(r.getId());
return AAIUriFactory.createResourceUri(k8sResource.build(), aaiRequest.getCloudOwner(), aaiRequest.getCloudRegion(), aaiRequest.getTenantId(), r.getId());
}).forEach(uri -> getTransaction().delete(uri));
}
}
}
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