Comment 4 for bug 1850714

Reviewed: https://review.opendev.org/693246
Committed: https://git.openstack.org/cgit/starlingx/ansible-playbooks/commit/?id=2f7062ffa9055c1ca4885699c0ac262a50f46fea
Submitter: Zuul
Branch: master

commit 2f7062ffa9055c1ca4885699c0ac262a50f46fea
Author: Ovidiu Poncea <email address hidden>
Date: Wed Nov 6 21:57:24 2019 +0200

    B&R: Fix ssl server-cert for standby controller

    Copy server-cert.pem from backup archive to shared filesystem
    so that mate controller can find it and allow unlock to
    proceed.

    Change-Id: I96c7dd11797fcd3a463db1c6a266c2860c35c5ab
    Closes-Bug: 1850714
    Signed-off-by: Ovidiu Poncea <email address hidden>