OpenTransaction opens an atomic DB transaction.

Close the connection to the leveldb and allow reconnect.

Connect to the leveldb, opening the database at the specified path.

Delete a model from the database.

Get a value from the database by the key and unmarshal it into the specified model.

Because service status keys are ordered by time using ULIDs, it is possible to fetch the last service status for a service ID by using the ID as a prefix to iterate over the keys and return the last item; unmarshaling it into the specified model.

Create a new iterator - note that it is possible to close the DB connection during iteration, which will cause the iterator to return a leveldb.ErrClosed error.

Put a value into the database by marshaling it from the specified model.