There are scenes in Star Wars that provide a certain subtext that suggests to me, that dear Old Ben may have had a drinking problem. Or, at the least, may have been a regular at the local bar.
First, in Attack of the Clones (quote source here):
Anakin Skywalker: I think he's a she... and I think she's a Changeling.
Obi-Wan Kenobi: In that case be extra careful. Go and find her.
[He heads towards the bar]
Anakin Skywalker: Where are you going, Master?
Obi-Wan Kenobi: For a drink.
Obi-Wan then proceeds to comfortably get a (presumably hard) beverage and use a Jedi mind-trick to make a dealer go away as if he's done this several times before.
He also gets a drink in Dex's diner.
In A New Hope, Obi-Wan has a suspicious knowledge of Mos Eisley and the local scene there. In addition, the first thing he does is immediately go to the bar. Of course, he tells Luke that it's to find a pilot to take them to Alderaan, but who says you can't knock out two birds with one stone?
Now, much of the above is fairly tongue-in-cheek, but here is the primary question:
Is there any canon evidence to suggest that Obi-Wan Kenobi may have had a drinking problem?
You may give your answer from Disney Canon or from Legends Canon, but please specify which in your answer.
EDIT NOTE: This question has been changed. The original wording of the question was: "Is there sufficient canon evidence to suggest that Obi-Wan Kenobi may have had a drinking problem?" (emphasis on the changed word)
EDIT 2: Someone in the comments suggested that perhaps none of the beverages Obi-Wan drank may have been alcoholic and requested evidence that the drinks were indeed alcoholic. The answer to this question confirms that at least one of them was.