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[Matt Riedemann <mriedem@xxxxxxxxxx>]

I'd be OK with adding a newton-only online database migration, which
gets run when you upgrade to newton anyway, to sniff out build requests
without an instance_uuid set and delete them.

** Changed in: nova
       Status: New => Confirmed

** Also affects: nova/newton
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1633734

Title:
  ValueError: Field `instance_uuid' cannot be None

Status in OpenStack Compute (nova):
  Confirmed
Status in OpenStack Compute (nova) newton series:
  New

Bug description:
  I "accidentally" upgraded from Mitaka to Newton a few days ago and I'm
  still cleaning up "the mess" that introduced (to used to Debian
  GNU/Linux packages takes care of all that for me).

  Anyway, I'm now getting

      ValueError: Field `instance_uuid' cannot be None

  in the nova-api log.

  I've been looking at
  http://docs.openstack.org/releasenotes/nova/newton.html#upgrade-notes
  but I'm not sure what to do.

  I've run

      nova-manage db online_data_migrations
      => ERROR nova.db.sqlalchemy.api [req-c08dbccb-d841-4e38-a895-26768f24222b - - - - -] Data migrations for PciDevice are not safe, likely because not all services that access the DB directly are updated to the latest version

      nova-manage db sync
      => ERROR: could not access cell mapping database - has api db been created?

      nova-manage api_db sync
      => Seems to run ok

      nova-manage cell_v2 discover_hosts
      => error: 'module' object has no attribute 'session'

      nova-manage cell_v2 map_cell0
      => Seemed like it ran ok

      nova-manage cell_v2 simple_cell_setup --transport-url rabbit://blabla/
      => Seemed like it ran ok

      nova-manage db null_instance_uuid_scan
      => There were no records found where instance_uuid was NULL.

  Other than that, I'm not sure what the problem is.

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