Uploads your local database to the server.

    You can create a local dump with ``fab export_db`` first.

    In order to import the database on the server you still need to SSH into
    the server.

    Usage::

        fab prod run_upload_db
        fab prod run_upload_db:filename=foobar.dump

def run_upload_db(filename=None):
    """
    Uploads your local database to the server.

    You can create a local dump with ``fab export_db`` first.

    In order to import the database on the server you still need to SSH into
    the server.

    Usage::

        fab prod run_upload_db
        fab prod run_upload_db:filename=foobar.dump

    """
    if not filename:
        filename = settings.DB_DUMP_FILENAME
    if env.key_filename:
        ssh = settings.PROJECT_NAME
    else:
        ssh = '{0}@{1}'.format(env.user, env.host_string)
    local('scp {0} {1}:{3}'.format(
        filename, ssh, settings.FAB_SETTING('SERVER_DB_BACKUP_DIR')))