For Armenia itself, it has been a wake up call for the citizens that Russia can't be relied on and there is now a Western pivot. This will pay dividends in the long run but you can expect Armenian food and drink products to be banned in Russia under some safety or quarantine grounds- the same happened with Georgia- as a form of punishment. This would be dire news for the Armenian economy that is so reliant on Russia. The West can pick up the slack but it won't be immediate so Armenia can expect a difficult time. The one thing Armenia does have is a politically active Diaspora. That might allow aid and trade to flow more quickly.