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[Steven Hardy <shardy@xxxxxxxxxx>]

Public bug reported:

I'm testing upgrades on TripleO, and hit this problem, discussion with
owalsh indicates it may be a nova bug related to backport migration
numbering:

14:44 < owalsh> shardy: it's a nova bug, 028 needs to be renamed to 021_build_requests_instance_mediumtext.py in ocata & 
                master

This is the error:

"ScriptError: You can only have one Python script per version, but you
have: /usr/lib/python2.7/site-
packages/nova/db/sqlalchemy/api_migrations/migrate_repo/versions/021_build_requests_instance_mediumtext.py
and /usr/lib/python2.7/site-
packages/nova/db/sqlalchemy/api_migrations/migrate_repo/versions/021_placeholder.py"],
"warnings": []}

I'm testing this version:

[root@overcloud-controller-0 ~]# rpm -qf /usr/lib/python2.7/site-packages/nova/db/sqlalchemy/api_migrations/migrate_repo/versions/021_placeholder.py
python-nova-15.0.0-0.20170215034806.bdeb05d.el7.centos.noarch

So upgrading to:
https://github.com/openstack/nova/commit/bdeb05dfb0f727654ac0b0bae14341fd87b5cbb7

>From stable/newton commit:
https://github.com/openstack/nova/commit/c6743ca709d45334cf25332aa834f86a9d91f1a5

[root@overcloud-controller-0 ~]# rpm -qa --last | grep python-nova
python-nova-15.0.0-0.20170215034806.bdeb05d.el7.centos.noarch Wed 15 Feb 2017 07:02:12 PM UTC
python-nova-14.0.4-0.20170117154931.c6743ca.el7.centos.noarch Mon 23 Jan 2017 01:45:50 PM UTC

** Affects: nova
     Importance: Undecided
         Status: New

** Affects: tripleo
     Importance: Critical
     Assignee: Steven Hardy (shardy)
         Status: Triaged

** Also affects: tripleo
   Importance: Undecided
       Status: New

** Changed in: tripleo
    Milestone: None => ocata-rc1

** Changed in: tripleo
       Status: New => Triaged

** Changed in: tripleo
   Importance: Undecided => Critical

** Changed in: tripleo
     Assignee: (unassigned) => Steven Hardy (shardy)

-- 
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https://bugs.launchpad.net/bugs/1665370

Title:
  api db_sync fails on upgrade due to duplicate migration files

Status in OpenStack Compute (nova):
  New
Status in tripleo:
  Triaged

Bug description:
  I'm testing upgrades on TripleO, and hit this problem, discussion with
  owalsh indicates it may be a nova bug related to backport migration
  numbering:

  14:44 < owalsh> shardy: it's a nova bug, 028 needs to be renamed to 021_build_requests_instance_mediumtext.py in ocata & 
                  master

  This is the error:

  "ScriptError: You can only have one Python script per version, but you
  have: /usr/lib/python2.7/site-
  packages/nova/db/sqlalchemy/api_migrations/migrate_repo/versions/021_build_requests_instance_mediumtext.py
  and /usr/lib/python2.7/site-
  packages/nova/db/sqlalchemy/api_migrations/migrate_repo/versions/021_placeholder.py"],
  "warnings": []}

  I'm testing this version:

  [root@overcloud-controller-0 ~]# rpm -qf /usr/lib/python2.7/site-packages/nova/db/sqlalchemy/api_migrations/migrate_repo/versions/021_placeholder.py
  python-nova-15.0.0-0.20170215034806.bdeb05d.el7.centos.noarch

  So upgrading to:
  https://github.com/openstack/nova/commit/bdeb05dfb0f727654ac0b0bae14341fd87b5cbb7

  From stable/newton commit:
  https://github.com/openstack/nova/commit/c6743ca709d45334cf25332aa834f86a9d91f1a5

  [root@overcloud-controller-0 ~]# rpm -qa --last | grep python-nova
  python-nova-15.0.0-0.20170215034806.bdeb05d.el7.centos.noarch Wed 15 Feb 2017 07:02:12 PM UTC
  python-nova-14.0.4-0.20170117154931.c6743ca.el7.centos.noarch Mon 23 Jan 2017 01:45:50 PM UTC

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