[DOCS] Add reno for bootstrap skip envvars

Add a reno covering the environment variables added in
I96d73cf196fb4ede8ec163cac2971a45c757106f.

Change-Id: Iffce9e6730e4861bb9e73fd6a2eb1b87f9ab8423
This commit is contained in:
Logan V 2019-05-12 16:39:02 -05:00
parent fda2de4eb6
commit 80c2b7a420

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features:
- |
Several environment variables have been added in the bootstrapping functions
used by the gate-check-commit script. These variables can be used to skip
various phases of the bootstrap during the gate-check-commit or
bootstrap-ansible script execution.
The environment variables added are:
* ``SKIP_OSA_RUNTIME_VENV_BUILD``: Skip bootstrapping of the OSA ansible venv
in bootstrap-ansible.sh
* ``SKIP_OSA_BOOTSTRAP_AIO``: Skip execution of the bootstrap-aio playbook
in gate-check-commit
* ``SKIP_OSA_ROLE_CLONE``: Skip execution of the
get-role-requirements-playbook in the bootstrap-ansible.sh script