[Upgrade] Upgrade to 6.1 failed with IndexError: list index out of range

[Andrey Sledzinskiy]

VERSION:
  feature_groups:
    - mirantis
  production: "docker"
  release: "6.1"
  api: "1.0"
  build_number: "55"
  build_id: "2015-01-11_22-54-45"
  astute_sha: "18be5cd3b819f3cad4c970ce5f72d3fb211a0969"
  fuellib_sha: "129d4644b636c24e6535c66794717a04c73ca5f7"
  ostf_sha: "47b82d5130b00af85313125bdd19f0866d9e61cc"
  nailgun_sha: "aa904598b3071540a07e0403906ea37adb01b7b6"
  fuelmain_sha: "16e5e39a8fad6793667864af1b156e47ff7c3d48"

Steps:
1. Install 6.0-58 fuel
2. Deploy any simple cluster
3. Upload 6.1 upgrade script to fuel master
4. Run upgrade

Actual - it failed with
Traceback (most recent call last):
  File "/var/upgrade/.fuel-upgrade-venv/lib/python2.6/site-packages/fuel_upgrade/cli.py", line 179, in main
    run_upgrade(parse_args(sys.argv[1:]))
  File "/var/upgrade/.fuel-upgrade-venv/lib/python2.6/site-packages/fuel_upgrade/cli.py", line 152, in run_upgrade
    config = build_config(args.src, args.password)
  File "/var/upgrade/.fuel-upgrade-venv/lib/python2.6/site-packages/fuel_upgrade/config.py", line 90, in build_config
    return Config(config(update_path, admin_password))
  File "/var/upgrade/.fuel-upgrade-venv/lib/python2.6/site-packages/fuel_upgrade/config.py", line 620, in config
    host_system = get_host_system(update_path, new_version)
  File "/var/upgrade/.fuel-upgrade-venv/lib/python2.6/site-packages/fuel_upgrade/config.py", line 201, in get_host_system
    openstack_version = sorted(openstack_versions, reverse=True)[0]
IndexError: list index out of range

Logs are attached

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/146432

[OpenStack Infra (hudson-openstack)]

Change abandoned by Igor Kalnitsky (<email address hidden>) on branch: master
Review: https://review.openstack.org/146432
Reason: There's another patch - https://review.openstack.org/#/c/144459/

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/147199

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/147199
Committed: https://git.openstack.org/cgit/stackforge/fuel-web/commit/?id=85a6132c20bd18e6ea5d121d14e6ea9e32cef056
Submitter: Jenkins
Branch: master

commit 85a6132c20bd18e6ea5d121d14e6ea9e32cef056
Author: Igor Kalnitsky <email address hidden>
Date: Wed Jan 14 17:16:55 2015 +0200

    fuel_upgrade: increment can_upgrade_version

    We need to increment can_upgrade_version since otherwise upgrade will
    fail.

    Change-Id: Ie1f0f443194d8790b8333199ddfdc3637e1386e8
    Partial-Bug: #1409695

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/144459
Committed: https://git.openstack.org/cgit/stackforge/fuel-web/commit/?id=cb2b681283ebbb766e07d7d07519f4232e11ae40
Submitter: Jenkins
Branch: master

commit cb2b681283ebbb766e07d7d07519f4232e11ae40
Author: Aleksandra Fedorova <email address hidden>
Date: Tue Dec 30 16:32:48 2014 +0300

    Bump version to 6.1

    Leave OpenStack version unchanged.

    Related-Bug: #1409695

    Change-Id: Ib8b49f56c73307e01b79e357aed170a7361e28ee