Yes, plant them outside and let them come inside via a hole in the wall or the glass.
I wouldn't allow it to flower and fruit in the first year, it's a waste of energy.
In subsequent years I would remove almost all of the bunches of flowers so that you leave only 4-5 bunches. This will hopefully give you quality fruit, as opposed to lots of middling fruit. As the grapes swell you may want to thin the bunches, again, less grapes of better quality.
Make sure the house is well ventilated as they can be a bugger for mildew.
Is your greenhouse able to hold wires for training the vine? If so then try to train it laterally in tiers.
Make sure that you water well at the roots during spring and summer.
As the plant gets old the bark will go all gnarly, this is a great hiding place for mealy bug, so in early February you can peel it all off, it's very therapeutic.