private void handle(final ExpungeImageMsg msg) {
final ExpungeImageReply reply = new ExpungeImageReply();
final ImageBackupStorageRefVO ref =
CollectionUtils.find(
self.getBackupStorageRefs(),
new Function<ImageBackupStorageRefVO, ImageBackupStorageRefVO>() {
@Override
public ImageBackupStorageRefVO call(ImageBackupStorageRefVO arg) {
return arg.getBackupStorageUuid().equals(msg.getBackupStorageUuid()) ? arg : null;
}
});
if (ref == null) {
logger.debug(
String.format(
"cannot find reference for the image[uuid:%s] on the backup storage[uuid:%s], assume it's been deleted",
self.getUuid(), msg.getBackupStorageUuid()));
bus.reply(msg, reply);
return;
}
DeleteBitsOnBackupStorageMsg dmsg = new DeleteBitsOnBackupStorageMsg();
dmsg.setBackupStorageUuid(ref.getBackupStorageUuid());
dmsg.setInstallPath(ref.getInstallPath());
bus.makeTargetServiceIdByResourceUuid(
dmsg, BackupStorageConstant.SERVICE_ID, dmsg.getBackupStorageUuid());
bus.send(
dmsg,
new CloudBusCallBack(msg) {
@Override
public void run(MessageReply r) {
if (!r.isSuccess()) {
// TODO
logger.warn(
String.format(
"failed to delete image[uuid:%s, name:%s] from backup storage[uuid:%s] because %s, need to garbage collect it",
self.getUuid(), self.getName(), r.getError(), ref.getBackupStorageUuid()));
reply.setError(r.getError());
} else {
returnBackupStorageCapacity(ref.getBackupStorageUuid(), self.getSize());
dbf.remove(ref);
logger.debug(
String.format(
"successfully expunged the image[uuid: %s, name: %s] on the backup storage[uuid: %s]",
self.getUuid(), self.getName(), ref.getBackupStorageUuid()));
self = dbf.findByUuid(self.getUuid(), ImageVO.class);
if (self.getBackupStorageRefs().isEmpty()) {
logger.debug(
String.format(
"the image[uuid:%s, name:%s] has been expunged on all backup storage, remove it from database",
self.getUuid(), self.getName()));
dbf.remove(self);
}
}
bus.reply(msg, reply);
}
});
}
