def role_delete(role_id=None, name=None, profile=None,
                **connection_args):
    '''
    Delete a role (keystone role-delete)


    CLI Examples:

    .. code-block:: bash

        salt '*' keystone.role_delete c965f79c4f864eaaa9c3b41904e67082
        salt '*' keystone.role_delete role_id=c965f79c4f864eaaa9c3b41904e67082
        salt '*' keystone.role_delete name=admin
    '''
    kstone = auth(profile, **connection_args)

    if name:
        for role in kstone.roles.list():
            if role.name == name:
                role_id = role.id
                break
    if not role_id:
        return {'Error': 'Unable to resolve role id'}

    role = kstone.roles.get(role_id)
    kstone.roles.delete(role)

    ret = 'Role ID {0} deleted'.format(role_id)
    if name:
        ret += ' ({0})'.format(name)
    return ret