Comment 3 for bug 1958885

Reviewed: https://review.opendev.org/c/starlingx/ansible-playbooks/+/826110
Committed: https://opendev.org/starlingx/ansible-playbooks/commit/3c30097321208e480a234309681a6db80325dc72
Submitter: "Zuul (22348)"
Branch: master

commit 3c30097321208e480a234309681a6db80325dc72
Author: Rei Oliveira <email address hidden>
Date: Mon Jan 24 12:49:34 2022 -0300

    Playbook fails at alarm check task

    This commit adds retry for the alarm check in order to make it more
    resilient to temporary alarms.

    It also includes some minor improvements regarding certificate backups.

    Test Plan:
    PASS: Trigger temporary alarm and run the playbook. It should be
          resilient enough to wait for about 2 minutes for alarm to clear.
    PASS: Trigger a persistent alarm and check that playbook waits for
          about 2 minutes for alarm to clear and fails when it does not.

    Closes-Bug: 1958885
    Signed-off-by: Rei Oliveira <email address hidden>
    Change-Id: I44d3a885d0f470263fd9feb8947755b4cb67326b