return the power status for the passed module

    CLI Example:

    .. code-block:: bash

        salt dell drac.server_powerstatus

def server_powerstatus(host=None,
                       admin_username=None,
                       admin_password=None,
                       module=None):
    '''
    return the power status for the passed module

    CLI Example:

    .. code-block:: bash

        salt dell drac.server_powerstatus
    '''
    ret = __execute_ret('serveraction powerstatus',
                        host=host, admin_username=admin_username,
                        admin_password=admin_password,
                        module=module)

    result = {'retcode': 0}
    if ret['stdout'] == 'ON':
        result['status'] = True
        result['comment'] = 'Power is on'
    if ret['stdout'] == 'OFF':
        result['status'] = False
        result['comment'] = 'Power is on'
    if ret['stdout'].startswith('ERROR'):
        result['status'] = False
        result['comment'] = ret['stdout']

    return result