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[Anton Troyanov <1880495@xxxxxxxxxxxxxxxxxx>]

** Changed in: maas
    Milestone: 3.5.x => 3.6.x

** Also affects: maas/3.5
   Importance: Undecided
       Status: New

** Changed in: maas/3.5
       Status: New => Won't Fix

** Changed in: maas/3.5
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/1880495

Title:
  Upgrade from 1.95 to 2.35 failure because column maasserver_domain.ttl
  does not exist

Status in MAAS:
  Triaged
Status in MAAS 3.3 series:
  Won't Fix
Status in MAAS 3.4 series:
  Won't Fix
Status in MAAS 3.5 series:
  Won't Fix
Status in maas package in Ubuntu:
  New
Status in maas source package in Xenial:
  New

Bug description:
  Upgrading an older Trusty based Maas (1.9.5) to Xenial (2.3.5)
  resulted in a traceback during the do-release-upgrade procedure:

    Applying maasserver.0011_domain_data...Traceback (most recent call last):
    File "/usr/lib/python3/dist-packages/django/db/backends/utils.py", line 64, in execute
      return self.cursor.execute(sql, params)
  psycopg2.ProgrammingError: column maasserver_domain.ttl does not exist
  LINE 1: ...ain"."name", "maasserver_domain"."authoritative", "maasserve...
                                                               ^

  
  The above exception was the direct cause of the following exception:

  Traceback (most recent call last):
    File "/usr/lib/python3.5/runpy.py", line 184, in _run_module_as_main
      "__main__", mod_spec)
    File "/usr/lib/python3.5/runpy.py", line 85, in _run_code
      exec(code, run_globals)
    File "/usr/lib/python3/dist-packages/maasserver/__main__.py", line 9, in <module>
      raise SystemExit(execute_from_command_line())
    File "/usr/lib/python3/dist-packages/maasserver/__init__.py", line 73, in execute_from_command_line
      management.execute_from_command_line()
    File "/usr/lib/python3/dist-packages/django/core/management/__init__.py", line 354, in execute_from_command_line
      utility.execute()
    File "/usr/lib/python3/dist-packages/django/core/management/__init__.py", line 346, in execute
      self.fetch_command(subcommand).run_from_argv(self.argv)
    File "/usr/lib/python3/dist-packages/django/core/management/base.py", line 394, in run_from_argv
      self.execute(*args, **cmd_options)
    File "/usr/lib/python3/dist-packages/django/core/management/base.py", line 445, in execute
      output = self.handle(*args, **options)
    File "/usr/lib/python3/dist-packages/maasserver/management/commands/dbupgrade.py", line 426, in handle
      fake_initial=self._south_was_performed(database))
    File "/usr/lib/python3/dist-packages/django/core/management/__init__.py", line 120, in call_command
      return command.execute(*args, **defaults)
    File "/usr/lib/python3/dist-packages/django/core/management/base.py", line 445, in execute
      output = self.handle(*args, **options)
    File "/usr/lib/python3/dist-packages/django/core/management/commands/migrate.py", line 222, in handle
      executor.migrate(targets, plan, fake=fake, fake_initial=fake_initial)
    File "/usr/lib/python3/dist-packages/django/db/migrations/executor.py", line 110, in migrate
      self.apply_migration(states[migration], migration, fake=fake, fake_initial=fake_initial)
    File "/usr/lib/python3/dist-packages/django/db/migrations/executor.py", line 148, in apply_migration
      state = migration.apply(state, schema_editor)
    File "/usr/lib/python3/dist-packages/django/db/migrations/migration.py", line 115, in apply
      operation.database_forwards(self.app_label, schema_editor, old_state, project_state)
    File "/usr/lib/python3/dist-packages/django/db/migrations/operations/special.py", line 183, in database_forwards
      self.code(from_state.apps, schema_editor)
    File "/usr/lib/python3/dist-packages/maasserver/migrations/builtin/maasserver/0011_domain_data.py", line 109, in migrate_staticipaddress_hostname
      domain_id = maasserver.models.dnsresource.get_default_domain()
    File "/usr/lib/python3/dist-packages/maasserver/models/dnsresource.py", line 57, in get_default_domain
      return Domain.objects.get_default_domain().id
    File "/usr/lib/python3/dist-packages/maasserver/models/domain.py", line 108, in get_default_domain
      'updated': now,
    File "/usr/lib/python3/dist-packages/django/db/models/manager.py", line 127, in manager_method
      return getattr(self.get_queryset(), name)(*args, **kwargs)
    File "/usr/lib/python3/dist-packages/django/db/models/query.py", line 405, in get_or_create
      return self.get(**lookup), False
    File "/usr/lib/python3/dist-packages/django/db/models/query.py", line 328, in get
      num = len(clone)
    File "/usr/lib/python3/dist-packages/django/db/models/query.py", line 144, in __len__
      self._fetch_all()
    File "/usr/lib/python3/dist-packages/django/db/models/query.py", line 965, in _fetch_all
      self._result_cache = list(self.iterator())
    File "/usr/lib/python3/dist-packages/django/db/models/query.py", line 238, in iterator
      results = compiler.execute_sql()
    File "/usr/lib/python3/dist-packages/django/db/models/sql/compiler.py", line 840, in execute_sql
      cursor.execute(sql, params)
    File "/usr/lib/python3/dist-packages/django/db/backends/utils.py", line 64, in execute
      return self.cursor.execute(sql, params)
    File "/usr/lib/python3/dist-packages/django/db/utils.py", line 98, in __exit__
      six.reraise(dj_exc_type, dj_exc_value, traceback)
    File "/usr/lib/python3/dist-packages/django/utils/six.py", line 685, in reraise
      raise value.with_traceback(tb)
    File "/usr/lib/python3/dist-packages/django/db/backends/utils.py", line 64, in execute
      return self.cursor.execute(sql, params)
  django.db.utils.ProgrammingError: column maasserver_domain.ttl does not exist
  LINE 1: ...ain"."name", "maasserver_domain"."authoritative", "maasserve...
                                                               ^

  dpkg: error processing package maas-region-controller (--configure):
   subprocess installed post-installation script returned error exit status 1
  No apport report written because the error message indicates its a followup error from a previous failure.
                                                                                                            dpkg: dependency problems prevent configuration of maas:
   maas depends on maas-region-controller (= 2.3.5-6511-gf466fdb-0ubuntu1); however:
    Package maas-region-controller is not configured yet.

  To reproduce, install Maas on Trusty, with a working database, and run
  do-release-upgrade.

  I suspect there's some edge case in this particular database, working
  now on trying to identify it.  The particular database has been around
  for at least 3 years now.

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