What facts does ec2_facts actually provide?

[Mark Casey]

I've been looking around for a while now but unlike ec2.py which lists a lot of what information it returns at the top of the file, I have no idea where to find a list of what facts ec2_facts actually provides.

Looking at the source, not even the example of ansible_ec2_instance_type appears anywhere else in the source, so I don't think looking there will illuminate what is available. I'm assuming its pulling them all in and just bulk-renaming them?

Any insights appreciated!

Thank you,
Mark

[Michael DeHaan]

You just need to run ansible-what-the-facts-say

ansible what-the-facts-say ec2 --help

Ring-ding-ding-ding-dingeringeding!
Gering-ding-ding-ding-dingeringeding!
Gering-ding-ding-ding-dingeringeding!

Ok, that's totally not a thing and I apologize for meme insertion on the list :)

Yeah, it's not clear from the module source, I agree!  One thing we want to do for all modules is show a basic example of what they all return -- that's pending.

The super easy way to do this is call the module

ansible hostname -m ec2_facts

(or "setup" for the stock setup module)

Yes, they are all provided by the metadata server and then given the "ansible_" prefix.

You can also just run the playbook with -v and see all the output.

The ec2 dynamic inventory plugin also provides some useful variables.

You can watch this by

./ec2.py --list

./ec2.py --host hostname

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Michael DeHaan <mic...@ansibleworks.com>
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[Mark Casey]

No worries, I genuinely lol'ed.

Of course I found this right after I posted: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AESDG-chapter-instancedata.html#instancedata-data-categories

However I definitely prefer the native options you listed. Thanks for the tips!

[Michael DeHaan]

I should point out our existing EC2 guide in the docs needs a *ton* of work.

It's on our list (likely something in the coming month or so), but I'd also welcome those interested in contributing to the rst files in the source tree that comprise it too.

[knope]

this may be helpful https://github.com/lorin/ansible-quickref/blob/master/ec2.rst#ec2-instance-dicts