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package org.onap.svnfm.simulator.services;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
import javax.ws.rs.core.MediaType;
import org.apache.commons.codec.binary.Base64;
import org.modelmapper.ModelMapper;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.ApiResponse;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.model.GrantRequest;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.model.GrantsAddResources;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.model.GrantsLinks;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.model.GrantsLinksVnfLcmOpOcc;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.model.InlineResponse201;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.lcn.ApiClient;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.lcn.ApiException;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.lcn.api.DefaultApi;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.lcn.model.LcnVnfLcmOperationOccurrenceNotificationAffectedVnfcs;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.lcn.model.LcnVnfLcmOperationOccurrenceNotificationAffectedVnfcs.ChangeTypeEnum;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.lcn.model.LcnVnfLcmOperationOccurrenceNotificationLinks;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.lcn.model.LcnVnfLcmOperationOccurrenceNotificationLinksVnfInstance;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.lcn.model.VnfLcmOperationOccurrenceNotification;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.lcn.model.VnfLcmOperationOccurrenceNotification.NotificationStatusEnum;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.lcn.model.VnfLcmOperationOccurrenceNotification.NotificationTypeEnum;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.lcn.model.VnfLcmOperationOccurrenceNotification.OperationEnum;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.lcn.model.VnfLcmOperationOccurrenceNotification.OperationStateEnum;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.InlineResponse200;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.InlineResponse201InstantiatedVnfInfoVnfcResourceInfo;
import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.SubscriptionsAuthenticationParamsBasic;
import org.onap.svnfm.simulator.config.ApplicationConfig;
import org.onap.svnfm.simulator.model.VnfOperation;
import org.onap.svnfm.simulator.model.Vnfds;
import org.onap.svnfm.simulator.repository.VnfOperationRepository;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public abstract class OperationProgressor implements Runnable {
private static final Logger LOGGER = LoggerFactory.getLogger(OperationProgressor.class);
protected final VnfOperation operation;
protected final SvnfmService svnfmService;
private final VnfOperationRepository vnfOperationRepository;
private final ApplicationConfig applicationConfig;
protected final Vnfds vnfds;
private final SubscriptionService subscriptionService;
private final DefaultApi notificationClient;
private final org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.api.DefaultApi grantClient;
public OperationProgressor(final VnfOperation operation, final SvnfmService svnfmService,
final VnfOperationRepository vnfOperationRepository, final ApplicationConfig applicationConfig,
final Vnfds vnfds, final SubscriptionService subscriptionService) {
this.operation = operation;
this.svnfmService = svnfmService;
this.vnfOperationRepository = vnfOperationRepository;
this.applicationConfig = applicationConfig;
this.vnfds = vnfds;
this.subscriptionService = subscriptionService;
final ApiClient apiClient = new ApiClient();
String callBackUrl = subscriptionService.getSubscriptions().iterator().next().getCallbackUri();
callBackUrl = callBackUrl.substring(0, callBackUrl.indexOf("/lcn/"));
apiClient.setBasePath(callBackUrl);
notificationClient = new DefaultApi(apiClient);
final org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.ApiClient grantApiClient =
new org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.ApiClient();
grantApiClient.setBasePath(callBackUrl);
grantClient = new org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.api.DefaultApi(grantApiClient);
}
@Override
public void run() {
try {
final VnfLcmOperationOccurrenceNotification notificationOfStarting =
buildNotification(NotificationStatusEnum.START, OperationStateEnum.STARTING);
sendNotification(notificationOfStarting);
sleep(2000);
setState(InlineResponse200.OperationStateEnum.PROCESSING);
final VnfLcmOperationOccurrenceNotification notificationOfProcessing =
buildNotification(NotificationStatusEnum.START, OperationStateEnum.PROCESSING);
sendNotification(notificationOfProcessing);
final GrantRequest grantRequest = buildGrantRequest();
final InlineResponse201 grantResponse = sendGrantRequest(grantRequest);
final List<InlineResponse201InstantiatedVnfInfoVnfcResourceInfo> vnfcs = handleGrantResponse(grantResponse);
svnfmService.getVnf(operation.getVnfInstanceId()).getInstantiatedVnfInfo();
sleep(10000);
setState(InlineResponse200.OperationStateEnum.COMPLETED);
final VnfLcmOperationOccurrenceNotification notificationOfCompleted =
buildNotification(NotificationStatusEnum.RESULT, OperationStateEnum.COMPLETED);
notificationOfCompleted.setAffectedVnfcs(getVnfcs(vnfcs));
sendNotification(notificationOfCompleted);
} catch (final Exception exception) {
LOGGER.error("Error in OperationProgressor ", exception);
}
}
private void sleep(final long milliSeconds) {
try {
Thread.sleep(milliSeconds);
} catch (final InterruptedException e) {
operation.setOperationState(InlineResponse200.OperationStateEnum.FAILED);
// Restore interrupted state
Thread.currentThread().interrupt();
}
}
private void setState(final InlineResponse200.OperationStateEnum state) {
LOGGER.info("Setting state to {} for operation {}", state, operation.getId());
operation.setOperationState(state);
vnfOperationRepository.save(operation);
}
private VnfLcmOperationOccurrenceNotification buildNotification(final NotificationStatusEnum status,
final OperationStateEnum operationState) {
final VnfLcmOperationOccurrenceNotification notification = new VnfLcmOperationOccurrenceNotification();
notification.setId(UUID.randomUUID().toString());
notification.setNotificationType(NotificationTypeEnum.VNFLCMOPERATIONOCCURRENCENOTIFICATION);
notification.setNotificationStatus(status);
notification.setOperationState(operationState);
notification.setOperation(OperationEnum.fromValue(operation.getOperation().toString()));
notification.setVnfInstanceId(operation.getVnfInstanceId());
notification.setVnfLcmOpOccId(operation.getId());
final LcnVnfLcmOperationOccurrenceNotificationLinks links = new LcnVnfLcmOperationOccurrenceNotificationLinks();
final LcnVnfLcmOperationOccurrenceNotificationLinksVnfInstance vnfInstanceLink =
new LcnVnfLcmOperationOccurrenceNotificationLinksVnfInstance();
vnfInstanceLink.setHref(getVnfLink());
links.setVnfInstance(vnfInstanceLink);
final LcnVnfLcmOperationOccurrenceNotificationLinksVnfInstance operationLink =
new LcnVnfLcmOperationOccurrenceNotificationLinksVnfInstance();
operationLink.setHref(getOperationLink());
links.setVnfLcmOpOcc(operationLink);
notification.setLinks(links);
return notification;
}
private List<LcnVnfLcmOperationOccurrenceNotificationAffectedVnfcs> getVnfcs(
final List<InlineResponse201InstantiatedVnfInfoVnfcResourceInfo> instantiatedVnfcs) {
final List<LcnVnfLcmOperationOccurrenceNotificationAffectedVnfcs> vnfcs = new ArrayList<>();
if (instantiatedVnfcs != null) {
for (final InlineResponse201InstantiatedVnfInfoVnfcResourceInfo instantiatedVnfc : instantiatedVnfcs) {
LOGGER.info("VNFC TO BE CONVERTED: {}", instantiatedVnfc);
final ModelMapper mapper = new ModelMapper();
final LcnVnfLcmOperationOccurrenceNotificationAffectedVnfcs vnfc =
mapper.map(instantiatedVnfc, LcnVnfLcmOperationOccurrenceNotificationAffectedVnfcs.class);
LOGGER.info("VNFC FROM CONVERSION: {}", vnfc);
vnfc.setChangeType(getVnfcChangeType());
vnfcs.add(vnfc);
}
}
return vnfcs;
}
private void sendNotification(final VnfLcmOperationOccurrenceNotification notification) {
LOGGER.info("Sending notification: {}", notification);
try {
final SubscriptionsAuthenticationParamsBasic subscriptionAuthentication =
subscriptionService.getSubscriptions().iterator().next().getAuthentication().getParamsBasic();
final String auth =
subscriptionAuthentication.getUserName() + ":" + subscriptionAuthentication.getPassword();
final byte[] encodedAuth = Base64.encodeBase64(auth.getBytes(StandardCharsets.ISO_8859_1));
final String authHeader = "Basic " + new String(encodedAuth);
notificationClient.lcnVnfLcmOperationOccurrenceNotificationPostWithHttpInfo(notification,
MediaType.APPLICATION_JSON, authHeader);
} catch (final ApiException exception) {
LOGGER.error("Error sending notification: " + notification, exception);
}
}
public GrantRequest buildGrantRequest() {
final GrantRequest grantRequest = new GrantRequest();
grantRequest.setVnfInstanceId(operation.getVnfInstanceId());
final String vnfdId = svnfmService.getVnf(operation.getVnfInstanceId()).getVnfdId();
grantRequest.setVnfdId(vnfdId);
grantRequest.setAddResources(getAddResources(vnfdId));
grantRequest.setRemoveResources(getRemoveResources(vnfdId));
grantRequest.setVnfLcmOpOccId(operation.getId());
grantRequest
.setOperation(org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.model.GrantRequest.OperationEnum
.fromValue(operation.getOperation().getValue()));
grantRequest.setIsAutomaticInvocation(false);
final GrantsLinksVnfLcmOpOcc vnfInstanceLink = new GrantsLinksVnfLcmOpOcc();
vnfInstanceLink.setHref(getVnfLink());
final GrantsLinksVnfLcmOpOcc operationInstanceLink = new GrantsLinksVnfLcmOpOcc();
operationInstanceLink.setHref(getOperationLink());
final GrantsLinks links = new GrantsLinks();
links.setVnfInstance(vnfInstanceLink);
links.setVnfLcmOpOcc(operationInstanceLink);
grantRequest.setLinks(links);
return grantRequest;
}
protected abstract List<GrantsAddResources> getAddResources(final String vnfdId);
protected abstract List<GrantsAddResources> getRemoveResources(final String vnfdId);
protected abstract List<InlineResponse201InstantiatedVnfInfoVnfcResourceInfo> handleGrantResponse(
InlineResponse201 grantResponse);
protected abstract ChangeTypeEnum getVnfcChangeType();
private InlineResponse201 sendGrantRequest(final GrantRequest grantRequest) {
LOGGER.info("Sending grant request: {}", grantRequest);
try {
final ApiResponse<InlineResponse201> response = grantClient.grantsPostWithHttpInfo(grantRequest,
MediaType.APPLICATION_JSON, MediaType.APPLICATION_JSON, "Basic dm5mbTpwYXNzd29yZDEk");
LOGGER.info("Grant Response: {}", response);
return response.getData();
} catch (final org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.ApiException exception) {
LOGGER.error("Error sending notification: " + grantRequest, exception);
return null;
}
}
private String getVnfLink() {
return getLinkBaseUrl() + "/vnf_instances/" + operation.getVnfInstanceId();
}
private String getOperationLink() {
return getLinkBaseUrl() + "/vnf_lcm_op_occs/" + operation.getId();
}
private String getLinkBaseUrl() {
return applicationConfig.getBaseUrl() + "/vnflcm/v1";
}
}
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