Created
November 8, 2017 16:16
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ansible dynamic inventory from environment vars
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| #!/usr/bin/env python | |
| ''' | |
| This file is an ansible dynamic inventory script used to help discover | |
| inventory from environment variables | |
| ''' | |
| import json | |
| from os import environ | |
| def gen_inv(): | |
| # look for these words in the environment variable name | |
| triggers = ['_SERVER', '_HOST'] | |
| # default inventory json | |
| inv = { | |
| '_meta': { | |
| 'hostvars': {} | |
| } | |
| } | |
| # discover the inventory | |
| [inv.update({k: v.split()}) for k, v in environ.items() if | |
| any([t in k for t in triggers])] | |
| # return | |
| print json.dumps(inv, sort_keys=True, indent=2) | |
| if __name__ == '__main__': | |
| gen_inv() |
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