training Upstream Tranining in Japan 過去の Etherpad https://etherpad.openstack.org/p/upstream-training-ja-2014-fall https://etherpad.openstack.org/p/upstream-training-jp-2015-winter https://etherpad.openstack.org/p/upstream-training-jp-2015-summer https://etherpad.openstack.org/p/upstream-training-jp-2016-summer