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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.extclients.aai.AaiServiceProvider;
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.onap.so.etsi.nfvo.ns.lcm.model.InlineResponse400;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import java.util.Optional;
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.bpmn.flows.CamundaVariableNameConstants.NS_WORKFLOW_PROCESSING_EXCEPTION_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;
import static org.onap.so.etsi.nfvo.ns.lcm.database.beans.State.NOT_INSTANTIATED;
/**
* @author Andrew Lamb (andrew.a.lamb@est.tech)
*
*/
@Component
public class DeleteNsTask extends AbstractNetworkServiceTask {
private static final String NS_INSTANCE_EXISTS_PARAM_NAME = "nsInstanceExists";
private static final String NS_INSTANCE_IS_IN_NOT_INSTANTIATED_STATE_PARAM_NAME = "isInNotInstantiatedState";
private static final Logger logger = LoggerFactory.getLogger(DeleteNsTask.class);
private final AaiServiceProvider aaiServiceProvider;
@Autowired
public DeleteNsTask(final DatabaseServiceProvider databaseServiceProvider,
final AaiServiceProvider aaiServiceProvider) {
super(databaseServiceProvider);
this.aaiServiceProvider = aaiServiceProvider;
}
public void setJobStatusToStarted(final DelegateExecution execution) {
setJobStatus(execution, STARTED, "Delete NS workflow process started");
}
public void setJobStatusToFinished(final DelegateExecution execution) {
setJobStatus(execution, FINISHED, "Delete NS workflow process finished");
}
public void setJobStatusInProgress(final DelegateExecution execution, final String message) {
setJobStatus(execution, IN_PROGRESS, message);
}
public void setJobStatusToError(final DelegateExecution execution) {
setJobStatusToError(execution, "Delete NS workflow process failed");
}
public void checkIfNsInstanceExistsInDb(final DelegateExecution execution) {
logger.info("Executing checkIfNsInstanceExistsInDb ...");
setJobStatusInProgress(execution, "Checking that NS Instance Exists in DB");
final String nsInstId = (String) execution.getVariable(NS_INSTANCE_ID_PARAM_NAME);
final Optional<NfvoNsInst> optionalNfvoNsInst = databaseServiceProvider.getNfvoNsInst(nsInstId);
final boolean nsInstanceExists = optionalNfvoNsInst.isPresent();
logger.info("NS Instance entry with id: {} {} exist in database", nsInstId,
nsInstanceExists ? "does" : "doesn't");
execution.setVariable(NS_INSTANCE_EXISTS_PARAM_NAME, nsInstanceExists);
if (!nsInstanceExists) {
final String message =
"NS Instance with id: " + nsInstId + " does not exist in database, so will not be deleted.";
logger.info(message);
execution.setVariable(NS_WORKFLOW_PROCESSING_EXCEPTION_PARAM_NAME, new InlineResponse400().detail(message));
}
logger.info("Finished executing checkIfNsInstanceExistsInDb ...");
}
public void checkthatNsInstanceInDbIsInNotInstantiatedState(final DelegateExecution execution) {
logger.info("Executing checkthatNsInstanceInDbIsInNotInstantiatedState ...");
setJobStatusInProgress(execution, "Checking that NS Instance is in NOT_INSTANTIATED state in Db");
final String nsInstId = (String) execution.getVariable(NS_INSTANCE_ID_PARAM_NAME);
final NfvoNsInst nfvoNsInst = getNfvoNsInst(execution, nsInstId);
final State nfvoNsInstState = nfvoNsInst.getStatus();
final boolean nsInstanceIsNotInstantiated = NOT_INSTANTIATED.equals(nfvoNsInstState);
logger.info("Ns Instance entry with nsInstId: {} is in state: {}", nsInstId, nfvoNsInstState);
execution.setVariable(NS_INSTANCE_IS_IN_NOT_INSTANTIATED_STATE_PARAM_NAME, nsInstanceIsNotInstantiated);
if (!nsInstanceIsNotInstantiated) {
final String message =
"Cannot Delete NS Instance with id: " + nsInstId + " in the state: " + nfvoNsInstState;
logger.info(message);
execution.setVariable(NS_WORKFLOW_PROCESSING_EXCEPTION_PARAM_NAME, new InlineResponse400().detail(message));
}
logger.info("Finished executing checkthatNsInstanceInDbIsInNotInstantiatedState ...");
}
public void deleteNsInstanceFromAai(final DelegateExecution execution) {
logger.info("Executing deleteNsInstanceFromAAI ...");
setJobStatusInProgress(execution, "Deleting NS Instance from AAI");
final String nsInstId = (String) execution.getVariable(NS_INSTANCE_ID_PARAM_NAME);
final NfvoNsInst nfvoNsInst = getNfvoNsInst(execution, nsInstId);
final String globalCustomerId = nfvoNsInst.getGlobalCustomerId();
final String serviceType = nfvoNsInst.getServiceType();
aaiServiceProvider.deleteServiceInstance(globalCustomerId, serviceType, nsInstId);
logger.info("Finished executing deleteNsInstanceFromAAI ...");
}
public void deleteNsInstanceFromDb(final DelegateExecution execution) {
logger.info("Executing deleteNsInstanceFromDb ...");
setJobStatusInProgress(execution, "Deleting NS Instance from Db");
final String nsInstId = (String) execution.getVariable(NS_INSTANCE_ID_PARAM_NAME);
databaseServiceProvider.deleteNfvoNsInst(nsInstId);
logger.info("Finished executing deleteNsInstanceFromDb ...");
}
}
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