The things so far that I've put together that makes it clear to me that Armand and Louis were still in a 24/7 D/s relationship in Dubai:
The fact that in 1x02, instead of saying a simple yes or no when Daniel asked if Armand and Louis were together, Armand took it in a completely different direction, saying "I serve a god. It is my honor to serve."
In 1x05, when Armand was getting sassy with Daniel about the fact that Daniel was doing the interview, Louis said sternly that Armand was choosing to share his opinion despite the fact that it was "unsolicited". And Armand in response lowered his eyes, even though he wasn't facing Louis. Then Louis told Daniel about Armand's diet, and offered Armand's blood to him, without bothering to ask how Armand would feel about it. And when Armand began to get sassy with Daniel again, Louis simply interrupted him, scolding him without actually scolding him. And, while Armand looked salty about it, he still fell silent and didn't speak again. Louis then proceeded to discuss Armand's body and routine with Daniel as if Armand wasn't even there, and then possessively called Armand "My Rashid", in a low purr.
In 2x05, when Louis was talking to Daniel about their lives in Paris, he said that he and Armand had established their "proper roles", indicating that those were roles they still inhabited, otherwise he wouldn't have called them their "proper roles".
And of course there were the whips that we NEVER GOT TO SEE(istfg I'll stop being bitter about that one day, really):
I'll add more if they come to me, but I'm pretty sure that's all of them.