Introduces an ability to pass custom environment that
has the highest precedence from job definition for
airshipctl-gate-runner playbook, e.g.:
job:
name: test-job
playbook: run: playbooks/airshipctl-gate-runner.yaml
vars:
job_environment:
FOO: BAR
Defined environment variables complete/replace default playbook variables.
Change-Id: Ib11480068141315126a80f3952b6882cdb7439ae
Signed-off-by: Andrii Ostapenko <andrii.ostapenko@att.com>