The inverse of service.available.
    Returns ``True`` if the specified service is not available, otherwise returns
    ``False``.

    CLI Example:

    .. code-block:: bash

        salt '*' service.missing net-snmp

def missing(name):
    '''
    The inverse of service.available.
    Returns ``True`` if the specified service is not available, otherwise returns
    ``False``.

    CLI Example:

    .. code-block:: bash

        salt '*' service.missing net-snmp
    '''
    cmd = '/usr/bin/svcs -H -o FMRI {0}'.format(name)
    name = __salt__['cmd.run'](cmd, python_shell=False)
    return name not in get_all()