Lieberman's buddy Putin signed on to the deal, so alliance with Russia instead of the US is not a viable option. Israel's one apparent ally on this issue is Saudi Arabia. The one complication, of course,is that they would want the Arab League peace plan, which King Abdullah proposed, accepted as part of the deal.
Yemen's Houthi rebels commit to peace plan in letter to UN chief, BBC reports (Haaretz)
from the article: Netanyahu: Iran nuclear deal endangers Israel, we will defend ourselves