Comment 0 for bug 1506380

Steps to reproduce:
1. Deploy cluster on 7.0
2. Download upgrade arch from here: HTTP_TORRENT=http://srv89-bud.infra.mirantis.net/fuelweb-iso/fuel-8.0-upgrade-28-2015-10-14_19-42-00.tar.lrz.torrent
3. Extract arch, execute ./upgrade.sh

Expected result:
Upgraded cluster to 8.0

Actual result:
2015-10-15 08:21:12 ERROR 20558 (cli) Cannot upgrade from Fuel 7.0. You can upgrade only from one of next versions: 6.1
Traceback (most recent call last):
  File "/var/tmp/upgrade/.fuel-upgrade-venv/lib/python2.6/site-packages/fuel_upgrade/cli.py", line 182, in main
    run_upgrade(parse_args(sys.argv[1:]))
  File "/var/tmp/upgrade/.fuel-upgrade-venv/lib/python2.6/site-packages/fuel_upgrade/cli.py", line 166, in run_upgrade
    checker_manager.check()
  File "/var/tmp/upgrade/.fuel-upgrade-venv/lib/python2.6/site-packages/fuel_upgrade/checker_manager.py", line 82, in check
    checker.check()
  File "/var/tmp/upgrade/.fuel-upgrade-venv/lib/python2.6/site-packages/fuel_upgrade/before_upgrade_checker.py", line 256, in check
    self.from_version, ', '.join(self.can_upgrade_from)))
WrongVersionError: Cannot upgrade from Fuel 7.0. You can upgrade only from one of next versions: 6.1
==================================================
Upgrade failed