def restart(repo, batch='5'):
    '''
    Restart the service associated with this repo. If no service is associated
    this call will do nothing.
    '''
    grain = __get_conf(repo, 'deployment_repo_grains')
    if not grain:
        return "No grain defined for this repo."
    grain = "deployment_target:" + grain
    client = salt.client.LocalClient(__opts__['conf_file'])
    cmd = 'deploy.restart'
    # comma in the tuple is a workaround for a bug in salt
    arg = (repo,)
    for test in client.cmd_batch(grain, cmd, expr_form='grain', arg=arg,
                                 timeout=10, ret='deploy_redis', batch=batch):
        print "{}".format(test)