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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2020 Nordix Foundation.
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.so.etsi.nfvo.ns.lcm.bpmn.flows.tasks;
import static org.onap.so.etsi.nfvo.ns.lcm.bpmn.flows.CamundaVariableNameConstants.NS_INSTANCE_ID_PARAM_NAME;
import static org.onap.so.etsi.nfvo.ns.lcm.database.beans.JobStatusEnum.ERROR;
import static org.onap.so.etsi.nfvo.ns.lcm.database.beans.JobStatusEnum.FINISHED;
import static org.onap.so.etsi.nfvo.ns.lcm.database.beans.JobStatusEnum.IN_PROGRESS;
import java.time.LocalDateTime;
import java.util.Optional;
import org.camunda.bpm.engine.delegate.DelegateExecution;
import org.onap.aai.domain.yang.GenericVnf;
import org.onap.so.adapters.etsisol003adapter.lcm.v1.model.CreateVnfRequest;
import org.onap.so.adapters.etsisol003adapter.lcm.v1.model.CreateVnfResponse;
import org.onap.so.adapters.etsisol003adapter.lcm.v1.model.Tenant;
import org.onap.so.etsi.nfvo.ns.lcm.bpmn.flows.extclients.aai.AaiServiceProvider;
import org.onap.so.etsi.nfvo.ns.lcm.bpmn.flows.extclients.vnfm.Sol003AdapterServiceProvider;
import org.onap.so.etsi.nfvo.ns.lcm.database.beans.JobStatusEnum;
import org.onap.so.etsi.nfvo.ns.lcm.database.beans.NfvoNfInst;
import org.onap.so.etsi.nfvo.ns.lcm.database.beans.NfvoNsInst;
import org.onap.so.etsi.nfvo.ns.lcm.database.beans.State;
import org.onap.so.etsi.nfvo.ns.lcm.database.service.DatabaseServiceProvider;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
/**
* @author Waqas Ikram (waqas.ikram@est.tech)
*/
@Component
public class CreateInstantiateVnfTask extends AbstractNetworkServiceTask {
private static final String CREATE_INSTANTIATE_REQUEST_PARAM_NAME = "request";
private static final Logger logger = LoggerFactory.getLogger(CreateInstantiateVnfTask.class);
private static final String NF_INST_ID_PARAM_NAME = "NF_INST_ID";
public static final String CREATE_VNF_RESPONSE_PARAM_NAME = "createVnfResponse";
private final AaiServiceProvider aaiServiceProvider;
private final Sol003AdapterServiceProvider sol003AdapterServiceProvider;
@Autowired
public CreateInstantiateVnfTask(final DatabaseServiceProvider databaseServiceProvider,
final AaiServiceProvider aaiServiceProvider,
final Sol003AdapterServiceProvider sol003AdapterServiceProvider) {
super(databaseServiceProvider);
this.aaiServiceProvider = aaiServiceProvider;
this.sol003AdapterServiceProvider = sol003AdapterServiceProvider;
}
public void checkIfNfInstanceExistsInDb(final DelegateExecution execution) {
logger.info("Executing checkIfNfInstanceInDb");
final CreateInstantiateRequest request =
(CreateInstantiateRequest) execution.getVariable(CREATE_INSTANTIATE_REQUEST_PARAM_NAME);
logger.info("request: {}", request);
addJobStatus(execution, JobStatusEnum.IN_PROGRESS, "Checking if NF Instance record exists in database for "
+ request.getNsInstId() + " and " + request.getVnfName());
if (!databaseServiceProvider.isNsInstExists(request.getNsInstId(), request.getVnfName())) {
abortOperation(execution,
request.getNsInstId() + " " + request.getVnfName() + " VNF instance already exists");
}
logger.info("Finished executing checkIfNfInstanceInDb ...");
}
public void createNfInstanceInDb(final DelegateExecution execution) {
logger.info("Executing createNfInstanceInDb");
final CreateInstantiateRequest request =
(CreateInstantiateRequest) execution.getVariable(CREATE_INSTANTIATE_REQUEST_PARAM_NAME);
logger.info("request: {}", request);
addJobStatus(execution, IN_PROGRESS, "Creating NF Instance record in database for " + request.getVnfName());
final Optional<NfvoNsInst> optional = databaseServiceProvider.getNfvoNsInst(request.getNsInstId());
if (optional.isEmpty()) {
abortOperation(execution, "NfvoNsInst: " + request.getNsInstId() + "not founda");
}
final NfvoNsInst nfvoNsInst = optional.get();
final LocalDateTime now = LocalDateTime.now();
final NfvoNfInst nfvoNfInst = new NfvoNfInst().status(State.NOT_INSTANTIATED).createTime(now)
.lastUpdateTime(now).name(request.getVnfName()).vnfdId(request.getVnfdId())
.packageId(request.getVnfPkgId()).nfvoNsInst(nfvoNsInst);
databaseServiceProvider.saveNfvoNfInst(nfvoNfInst);
execution.setVariable(NF_INST_ID_PARAM_NAME, nfvoNfInst.getNfInstId());
logger.info("Finished executing createNfInstanceInDb ...");
}
public void createGenericVnfInAai(final DelegateExecution execution) {
logger.info("Executing createGenericVnfInAai");
try {
final CreateInstantiateRequest request =
(CreateInstantiateRequest) execution.getVariable(CREATE_INSTANTIATE_REQUEST_PARAM_NAME);
addJobStatus(execution, IN_PROGRESS, "Creating GenericVnf record in AAI for " + request.getVnfName());
final String nfInstId = (String) execution.getVariable(NF_INST_ID_PARAM_NAME);
final String nsInstId = (String) execution.getVariable(NS_INSTANCE_ID_PARAM_NAME);
final NfvoNsInst nfvoNsInst = getNfvoNsInst(execution, nsInstId);
final GenericVnf genericVnf = new GenericVnf();
genericVnf.setVnfId(nfInstId);
genericVnf.setVnfName(request.getVnfName());
genericVnf.setVnfType(nfvoNsInst.getName() + "/" + request.getVnfName());
genericVnf.setServiceId(request.getNsInstId());
genericVnf.setNfType(request.getNfType());
genericVnf.setOperationalStatus("Created");
genericVnf.setIsClosedLoopDisabled(false);
aaiServiceProvider.createGenericVnfAndConnectServiceInstance(nsInstId, nfInstId, genericVnf);
final Tenant tenant = request.getTenant();
aaiServiceProvider.connectGenericVnfToTenant(nfInstId, tenant.getCloudOwner(), tenant.getRegionName(),
tenant.getTenantId());
} catch (final Exception exception) {
final String message = "Unable to Create GenericVnf in AAI";
logger.error(message, exception);
abortOperation(execution, message);
}
logger.info("Finished executing createGenericVnfInAai ...");
}
public void invokeCreateInstantiationRequest(final DelegateExecution execution) {
logger.info("Executing invokeCreateInstantiationRequest");
try {
final CreateInstantiateRequest request =
(CreateInstantiateRequest) execution.getVariable(CREATE_INSTANTIATE_REQUEST_PARAM_NAME);
logger.info("request: {}", request);
addJobStatus(execution, IN_PROGRESS,
"Invoking SOL003 adapter for creating and instantiating VNF: " + request.getVnfName());
final CreateVnfRequest vnfRequest = new CreateVnfRequest();
vnfRequest.setTenant(request.getTenant());
vnfRequest.setName(request.getVnfName());
vnfRequest.setPkgId(request.getVnfPkgId());
vnfRequest.setAdditionalParams(request.getAdditionalParams());
final String vnfId = (String) execution.getVariable(NF_INST_ID_PARAM_NAME);
final Optional<CreateVnfResponse> optional =
sol003AdapterServiceProvider.invokeCreateInstantiationRequest(vnfId, vnfRequest);
if (!optional.isPresent()) {
final String errorMessage = "Unexpected error while processing create and instantiation request";
logger.error(errorMessage);
abortOperation(execution, errorMessage);
}
final CreateVnfResponse vnfResponse = optional.get();
logger.info("Vnf instantiation response: {}", vnfResponse);
execution.setVariable(CREATE_VNF_RESPONSE_PARAM_NAME, vnfResponse);
addJobStatus(execution, IN_PROGRESS, "Successfully invoked SOL003 adapater creating and instantiating VNF: "
+ request.getVnfName() + " CreaetVnfResponse Job Id: " + vnfResponse.getJobId());
logger.debug("Finished executing invokeCreateInstantiationRequest ...");
} catch (final Exception exception) {
final String message = "Unable to invoke create and instantiation request";
logger.error(message, exception);
abortOperation(execution, message);
}
}
public void updateNfInstanceStatusToInstantiated(final DelegateExecution execution) {
logger.info("Executing updateNfInstanceStatusToInstantiated");
updateNfInstanceStatus(execution, State.INSTANTIATED);
final CreateInstantiateRequest request =
(CreateInstantiateRequest) execution.getVariable(CREATE_INSTANTIATE_REQUEST_PARAM_NAME);
addJobStatus(execution, FINISHED, "Successfully created and Instantiated VNF: " + request.getVnfName()
+ " will set status to " + State.INSTANTIATED);
logger.info("Finished executing updateNfInstanceStatusToInstantiated ...");
}
public void updateNfInstanceStatusToFailed(final DelegateExecution execution) {
logger.info("Executing updateNfInstanceStatusToFailed");
updateNfInstanceStatus(execution, State.FAILED);
final CreateInstantiateRequest request =
(CreateInstantiateRequest) execution.getVariable(CREATE_INSTANTIATE_REQUEST_PARAM_NAME);
addJobStatus(execution, ERROR, "Failed to create and instantiate VNF: " + request.getVnfName()
+ " will set status to " + State.FAILED);
logger.info("Finished executing updateNfInstanceStatusToFailed ...");
}
private void updateNfInstanceStatus(final DelegateExecution execution, final State vnfStatus) {
final String nfInstId = (String) execution.getVariable(NF_INST_ID_PARAM_NAME);
final boolean isSuccessful = databaseServiceProvider.updateNfInstState(nfInstId, vnfStatus);
if (!isSuccessful) {
final String message =
"Unable to update NfvoNfInst " + nfInstId + " status to" + vnfStatus + " in database";
logger.error(message);
abortOperation(execution, message);
}
}
}
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