How do you get EC2 instance's ssh user using boto?

Question

On AWS console, after clicking an instance, I can use Connect to see what user the instance can be connected with (although this may not be accurate).

For rough estimation, I want to know if I can get this using boto or not (I know I can guess the username based on the popular image/OS).

garnaat · Accepted Answer · 2014-10-20 13:15:12Z

4

There is no direct way to do this. There is no API from EC2 that provides this information. I suppose you could come up with some heuristics based on the underlying AMI that would be right most of the time. For example, lookup the image_id associated with an instance and then look at the name, location, and description values and compare to some table of data and make a guess. As far as I know, nothing like that exists right now.

edited Oct 20, 2014 at 13:15

answered Oct 20, 2014 at 10:52

garnaat

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3 Comments

CppLearner Over a year ago

Yeah :( wish they would expose this even at the guess level. Thanks.

garnaat Over a year ago

Its one of many, many bits of metadata that I wish I could get programmatically from AWS. Maybe one of these days.

Mr. Pundir Over a year ago

you can use tags, example: i usually create all instances by tag user = ec2-user by default , exceptionally i rename the user if required.

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