As someone who unfortunately works with high levels of government, I can say I genuinely don't believe Putin would be willing to risk it all for a country he can't control without causing a gigantic nightmare.
I fully believe hes willing to fight for places like Kazakhstan, where he has very little threat of losing it all or some other shitbox who gives a shit country that won't fight Russia well anyway, IE Georgia.
I really think this is a test to see with what Putin can get away with. I fully expect to see a slow but steady wind down now that more people are realizing and responding. We should have had plenty of troops on the ground weeks or months ago to give a definitive middle finger, but the current administration is run by crack-pipe dealing retards so I don't expect anything less but embarrassing incompetence.