Comment 23 for bug 1838659

Reviewed: https://review.opendev.org/705382
Committed: https://git.openstack.org/cgit/starlingx/config/commit/?id=31ce7c575f182e96db9f513843253ab3737ec2d1
Submitter: Zuul
Branch: r/stx.2.0

commit 31ce7c575f182e96db9f513843253ab3737ec2d1
Author: Mingyuan Qi <email address hidden>
Date: Thu Dec 12 05:57:59 2019 +0000

    Add k8s cert rotation script to sysinv pkg

    This commit is derived from https://review.opendev.org/#/c/692276

    This script checks the cert expiration date and rotates them if they
    expires within 90 days. After cert renewed, all the k8s master
    component configurations will be updated.

    An alarm will be sent to fm to notify the administrator to
    reboot the controllers or renew the certs manually if the automatic
    process fails.

    Change-Id: I286c38758ded2f661498367c7adf4dd59e603b83
    Partial-Bug: 1838659
    Signed-off-by: Mingyuan Qi <email address hidden>
    (cherry picked from commit 7b64d87a26fac2a5bcb2fce31ffa31b92b0e6f17)