Alex Schultz 279543d7c9 Use pyyaml to output group vars
Because the ansible group vars can be more complex structures than
strings and ints, we should use yaml to output the groupvars files. This
will allow list or dict values to be correctly represented in the
ansible vars files.

Change-Id: I79b3e6a5e7acb5f95d65034a2908a005d9a343db
Closes-Bug: #1801162
2018-11-01 15:43:30 -06:00
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