Return the connection status with the remote device.

    .. versionadded:: 2017.7.0

def alive(opts):
    '''
    Return the connection status with the remote device.

    .. versionadded:: 2017.7.0
    '''
    if salt.utils.napalm.not_always_alive(opts):
        return True  # don't force reconnection for not-always alive proxies
        # or regular minion
    is_alive_ret = call('is_alive', **{})
    if not is_alive_ret.get('result', False):
        log.debug(
            '[%s] Unable to execute `is_alive`: %s',
            opts.get('id'), is_alive_ret.get('comment')
        )
        # if `is_alive` is not implemented by the underneath driver,
        # will consider the connection to be still alive
        # we don't want overly request connection reestablishment
        # NOTE: revisit this if IOS is still not stable
        #       and return False to force reconnection
        return True
    flag = is_alive_ret.get('out', {}).get('is_alive', False)
    log.debug('Is %s still alive? %s', opts.get('id'), 'Yes.' if flag else 'No.')
    return flag