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I need to pull a build from S3 on my target machine. Therefore I need to pass the S3 key and secret to the ansible playbook somehow.

I know that I could define them in

  • the inventory
  • the playbook itself

but I really don't want to store credentials there.

Can I use environment variables from the local machine (or something similar) in an ansible playbook?

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2 Answers 2

up vote 2 down vote accepted

$ENV(SOMEVAR) or {{ lookup('env', 'SOMEVAR') }} (1.1+) should work. You could also use vars_prompt to request it at playbook runtime.

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Check out ansible-vault (http://docs.ansible.com/playbooks_vault.html) it allows you to encrypt variables into a file and then "unlock" that file at run-time.

Failing that, you can also specify extra variables at runtime with the "-e" flag:

ansible-playbook -i inv/production myplaybook.yml -e s3_key=<value here> s3_secret=<secret here>
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