[fuel-octane stable/8.0] Octane changes the ntp and dns lists while upgrade the controllers node

[sryabin]

Detailed bug description:
 After upgrade controller, octane changes ntp and dns lists
Steps to reproduce:
 1. Install fuel 7.0 and create env
 2. Create backup
 3. Reinstall fuel master node with fuel 8.0
 4. Upgrade master node
 6. Upgrade controller
Expected results:
 NTP and DNS endpoints should be the same as before upgrade
Actual result:
 NTP and DNS endpoints configured to the fuel master ip
Reproducibility:
 100%
Workaround:
 No
Impact:
 Upgrade procedure 7->8
Description of the environment:
[root@nailgun ~]# rpm -qa | grep -i octane
fuel-octane-8.0.0-1.mos1216.git.fade569.noarch
[root@nailgun ~]# cat /etc/fuel/version.yaml
VERSION:
  feature_groups:
    - mirantis
  production: "docker"
  release: "8.0"
  api: "1.0"
  build_number: "570"
  build_id: "570"
  fuel-nailgun_sha: "558ca91a854cf29e395940c232911ffb851899c1"
  python-fuelclient_sha: "4f234669cfe88a9406f4e438b1e1f74f1ef484a5"
  fuel-agent_sha: "658be72c4b42d3e1436b86ac4567ab914bfb451b"
  fuel-nailgun-agent_sha: "b2bb466fd5bd92da614cdbd819d6999c510ebfb1"
  astute_sha: "b81577a5b7857c4be8748492bae1dec2fa89b446"
  fuel-library_sha: "c2a335b5b725f1b994f78d4c78723d29fa44685a"
  fuel-ostf_sha: "3bc76a63a9e7d195ff34eadc29552f4235fa6c52"
  fuel-mirror_sha: "fb45b80d7bee5899d931f926e5c9512e2b442749"
  fuelmenu_sha: "78ffc73065a9674b707c081d128cb7eea611474f"
  shotgun_sha: "63645dea384a37dde5c01d4f8905566978e5d906"
  network-checker_sha: "a43cf96cd9532f10794dce736350bf5bed350e9d"
  fuel-upgrade_sha: "616a7490ec7199f69759e97e42f9b97dfc87e85b"
  fuelmain_sha: "d605bcbabf315382d56d0ce8143458be67c53434"
Additional information:
ssh -q root@10.109.0.5 grep ^server /etc/ntp.conf <- old controller
server 0.fuel.pool.ntp.org iburst minpoll 3
server 1.fuel.pool.ntp.org iburst minpoll 3
server 2.fuel.pool.ntp.org iburst minpoll 3
ssh -q root@10.109.0.4 grep ^server /etc/ntp.conf <- old controller
server 0.fuel.pool.ntp.org iburst minpoll 3
server 1.fuel.pool.ntp.org iburst minpoll 3
server 2.fuel.pool.ntp.org iburst minpoll 3
ssh -q root@10.109.0.3 grep ^server /etc/ntp.conf <- upgraded controller
server 10.109.0.2 iburst minpoll 3

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/8.0
Review: https://review.openstack.org/387431

[Anton Matveev (amatveev)]

octane specific, moving to won't fix due to shifted priorities

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/387431
Committed: https://git.openstack.org/cgit/openstack/fuel-octane/commit/?id=fa6660f6820b2e7c8e53eefd651a743291eb33a8
Submitter: Jenkins
Branch: stable/8.0

commit fa6660f6820b2e7c8e53eefd651a743291eb33a8
Author: Sergey Abramov <email address hidden>
Date: Mon Oct 17 16:24:27 2016 +0300

    Setup public ssl, ntp and dns only if it not setup

    In fuel 5.0 and 5.1 this settings not setup and them required for
    upgrade for future versions

    Change-Id: Ifafb48bf94438bcab6b1762aa4278aca0802cf26
    Closes-Bug: 1620597