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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 org.camunda.bpm.engine.delegate.DelegateExecution;
import org.onap.so.etsi.nfvo.ns.lcm.bpmn.flows.CamundaVariableNameConstants;
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;
import java.util.ArrayList;
import java.util.List;
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.FINISHED;
import static org.onap.so.etsi.nfvo.ns.lcm.database.beans.JobStatusEnum.IN_PROGRESS;
import static org.onap.so.etsi.nfvo.ns.lcm.database.beans.JobStatusEnum.STARTED;
/**
* @author Andrew Lamb (andrew.a.lamb@est.tech)
*
*/
@Component
public class TerminateNsTask extends AbstractNetworkServiceTask {
private static final String IS_NS_TERMINATION_SUCCESSFUL_PARAM_NAME = "isNsTerminationSuccessful";
private static final Logger logger = LoggerFactory.getLogger(TerminateNsTask.class);
@Autowired
public TerminateNsTask(final DatabaseServiceProvider databaseServiceProvider) {
super(databaseServiceProvider);
}
public void setJobStatusToStarted(final DelegateExecution execution) {
setJobStatus(execution, STARTED, "Terminate NS workflow process started");
}
public void setJobStatusToFinished(final DelegateExecution execution) {
setJobStatus(execution, FINISHED, "Terminate NS workflow process finished");
}
public void setJobStatusToError(final DelegateExecution execution) {
updateNsInstanceStatus(execution, State.FAILED);
setJobStatusToError(execution, "Terminate NS workflow process failed");
}
public void updateNsInstanceStatusToTerminating(final DelegateExecution execution) {
logger.info("Executing updateNsInstanceStatusToTerminating");
setJobStatus(execution, IN_PROGRESS, "Updating NfvoNsInst Status to " + State.TERMINATING);
updateNsInstanceStatus(execution, State.TERMINATING);
logger.info("Finished executing updateNsInstanceStatusToTerminating ...");
}
public void updateNsInstanceStatusToNotInstantiated(final DelegateExecution execution) {
logger.info("Executing updateNsInstanceStatusToNotInstantiated");
setJobStatus(execution, IN_PROGRESS, "Updating NfvoNsInst Status to " + State.NOT_INSTANTIATED);
updateNsInstanceStatus(execution, State.NOT_INSTANTIATED);
logger.info("Finished executing updateNsInstanceStatusToNotInstantiated ...");
}
public void getVnfIdsInNs(final DelegateExecution execution) {
logger.info("Executing getVnfIdsInNs ...");
setJobStatus(execution, IN_PROGRESS, "Getting Each VnfId In Ns");
final List<String> nfvoNfInstIds = getNfvoNfInstIds(execution);
execution.setVariable(CamundaVariableNameConstants.NFVO_NF_INST_IDS_PARAM_NAME, nfvoNfInstIds);
logger.info("Finished executing getVnfIdsInNs ...");
}
public void checkIfVnfTerminationWasSuccessful(final DelegateExecution execution) {
logger.info("Executing checkIfVnfTerminationWasSuccessful");
final String nsInstId = (String) execution.getVariable(NS_INSTANCE_ID_PARAM_NAME);
final List<NfvoNfInst> nfInstances = databaseServiceProvider.getNfvoNfInstByNsInstId(nsInstId);
if ((nfInstances != null) && !(nfInstances.isEmpty())) {
final String message = "Found NF Instances";
nfInstances.stream().forEach(instance -> {
logger.error("VNF : {} {} termination failed", instance.getNfInstId(), instance.getName());
execution.setVariable(IS_NS_TERMINATION_SUCCESSFUL_PARAM_NAME, false);
});
abortOperation(execution, message);
}
execution.setVariable(IS_NS_TERMINATION_SUCCESSFUL_PARAM_NAME, true);
logger.info("Finished executing checkIfVnfTerminationWasSuccessful");
}
public void logTimeOut(final DelegateExecution execution) {
logger.error("Vnf termination timedOut ...");
final String nsInstId = (String) execution.getVariable(NS_INSTANCE_ID_PARAM_NAME);
final List<NfvoNfInst> nfInstances = databaseServiceProvider.getNfvoNfInstByNsInstId(nsInstId);
if (nfInstances != null) {
nfInstances.stream().forEach(instance -> {
logger.info("Current status {} of vnf: {}", instance.getStatus(), instance.getName());
});
}
}
private void updateNsInstanceStatus(final DelegateExecution execution, final State nsStatus) {
final NfvoNsInst nfvoNsInst = getNfvoNsInst(execution);
logger.info("Updating NfvoNsInst Status to {} and saving to DB", nsStatus);
nfvoNsInst.setStatus(nsStatus);
databaseServiceProvider.saveNfvoNsInst(nfvoNsInst);
}
private List<String> getNfvoNfInstIds(final DelegateExecution execution) {
final String nsInstId = (String) execution.getVariable(NS_INSTANCE_ID_PARAM_NAME);
logger.info("Getting NfvoNfInstList using nsInstId: {}", nsInstId);
final List<NfvoNfInst> nfvoNfInstList = databaseServiceProvider.getNfvoNfInstByNsInstId(nsInstId);
if (nfvoNfInstList.size() == 0) {
final String message = "Unable to find NF Instances in database using id: " + nsInstId;
abortOperation(execution, message);
}
final List<String> vnfIdsList = new ArrayList<>();
nfvoNfInstList.stream().forEach(nfvoNfInst -> {
vnfIdsList.add(nfvoNfInst.getNfInstId());
});
return vnfIdsList;
}
}
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