def METHOD_NAME(name, safety_on=True):
    """
    Deletes a device from Vistara based on DNS name or partial name. By default,
    delete_device will only perform the delete if a single host is returned. Set
    safety_on=False to delete all matches (up to default API search page size)
    CLI Example:
    .. code-block:: bash
        salt-run vistara.delete_device 'hostname-101.mycompany.com'
        salt-run vistara.delete_device 'hostname-101'
        salt-run vistara.delete_device 'hostname-1' safety_on=False
    """
    config = _get_vistara_configuration()
    if not config:
        return False
    access_token = _get_oath2_access_token(
        config["client_key"], config["client_secret"]
    )
    if not access_token:
        return "Vistara access token not available"
    query_string = "dnsName:{}".format(name)
    devices = _search_devices(query_string, config["client_id"], access_token)
    if not devices:
        return "No devices found"
    device_count = len(devices)
    if safety_on and device_count != 1:
        return (
            "Expected to delete 1 device and found {}. "
            "Set safety_on=False to override.".format(device_count)
        )
    delete_responses = []
    for device in devices:
        device_id = device["id"]
        log.debug(device_id)
        delete_response = _delete_resource(device_id, config["client_id"], access_token)
        if not delete_response:
            return False
        delete_responses.append(delete_response)
    return delete_responses