[Bug 1841907] Re: Neutron bootstrap failing on Ubuntu bionic with Cannot change column 'network_id

Thu Jun 25 05:56:30 UTC 2020

Seems to only be hitting kolla-ansible-ubuntu-binary jobs - according to
http://reqorts.qa.ubuntu.com/reports/ubuntu-server/cloud-
archive/stein_versions.html - neutron 14.2.0 version that has the fix -
is in staging, not yet in updates.

** Also affects: cloud-archive
   Importance: Undecided
       Status: New

** No longer affects: kolla/stein

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https://bugs.launchpad.net/bugs/1841907

Title:
  Neutron bootstrap failing on Ubuntu bionic with Cannot change column
  'network_id

Status in Ubuntu Cloud Archive:
  New
Status in kolla:
  Fix Released
Status in kolla train series:
  Fix Released
Status in neutron:
  Confirmed

Bug description:
  Neutron bootstrap is currently failing on Ubuntu bionic (kolla-
  ansible-ubuntu-source jobs) with the following error:

  INFO  [alembic.runtime.migration] Running upgrade 63fd95af7dcd -> c613d0b82681
  Traceback (most recent call last):
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/sqlalchemy/engine/base.py", line 1244, in _execute_context
      cursor, statement, parameters, context
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/sqlalchemy/engine/default.py", line 552, in do_execute
      cursor.execute(statement, parameters)
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/pymysql/cursors.py", line 170, in execute
      result = self._query(query)
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/pymysql/cursors.py", line 328, in _query
      conn.query(q)
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/pymysql/connections.py", line 517, in query
      self._affected_rows = self._read_query_result(unbuffered=unbuffered)
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/pymysql/connections.py", line 732, in _read_query_result
      result.read()
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/pymysql/connections.py", line 1075, in read
      first_packet = self.connection._read_packet()
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/pymysql/connections.py", line 684, in _read_packet
      packet.check_error()
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/pymysql/protocol.py", line 220, in check_error
      err.raise_mysql_exception(self._data)
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/pymysql/err.py", line 109, in raise_mysql_exception
      raise errorclass(errno, errval)
  pymysql.err.InternalError: (1832, "Cannot change column 'network_id': used in a foreign key constraint 'subnets_ibfk_1'")

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

  Traceback (most recent call last):
    File "/var/lib/kolla/venv/bin/neutron-db-manage", line 10, in <module>
      sys.exit(main())
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/neutron/db/migration/cli.py", line 657, in main
      return_val |= bool(CONF.command.func(config, CONF.command.name))
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/neutron/db/migration/cli.py", line 181, in do_upgrade
      desc=branch, sql=CONF.command.sql)
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/neutron/db/migration/cli.py", line 82, in do_alembic_command
      getattr(alembic_command, cmd)(config, *args, **kwargs)
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/alembic/command.py", line 276, in upgrade
      script.run_env()
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/alembic/script/base.py", line 475, in run_env
      util.load_python_file(self.dir, "env.py")
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/alembic/util/pyfiles.py", line 90, in load_python_file
      module = load_module_py(module_id, path)
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/alembic/util/compat.py", line 177, in load_module_py
      spec.loader.exec_module(module)
    File "<frozen importlib._bootstrap_external>", line 678, in exec_module
    File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/neutron/db/migration/alembic_migrations/env.py", line 120, in <module>
      run_migrations_online()
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/neutron/db/migration/alembic_migrations/env.py", line 114, in run_migrations_online
      context.run_migrations()
    File "<string>", line 8, in run_migrations
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/alembic/runtime/environment.py", line 839, in run_migrations
      self.get_context().run_migrations(**kw)
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/alembic/runtime/migration.py", line 362, in run_migrations
      step.migration_fn(**kw)
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/neutron/db/migration/alembic_migrations/versions/train/expand/c613d0b82681_subnet_force_network_id.py", line 35, in upgrade
      existing_type=sa.String(36))
    File "<string>", line 8, in alter_column
    File "<string>", line 3, in alter_column
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/alembic/operations/ops.py", line 1775, in alter_column
      return operations.invoke(alt)
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/alembic/operations/base.py", line 345, in invoke
      return fn(self, operation)
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/alembic/operations/toimpl.py", line 56, in alter_column
      **operation.kw
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/alembic/ddl/mysql.py", line 96, in alter_column
      else existing_comment,
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/alembic/ddl/impl.py", line 134, in _exec
      return conn.execute(construct, *multiparams, **params)
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/sqlalchemy/engine/base.py", line 988, in execute
      return meth(self, multiparams, params)
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/sqlalchemy/sql/ddl.py", line 72, in _execute_on_connection
      return connection._execute_ddl(self, multiparams, params)
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/sqlalchemy/engine/base.py", line 1050, in _execute_ddl
      compiled,
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/sqlalchemy/engine/base.py", line 1248, in _execute_context
      e, statement, parameters, cursor, context
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/sqlalchemy/engine/base.py", line 1464, in _handle_dbapi_exception
      util.raise_from_cause(newraise, exc_info)
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/sqlalchemy/util/compat.py", line 398, in raise_from_cause
      reraise(type(exception), exception, tb=exc_tb, cause=cause)
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/sqlalchemy/util/compat.py", line 152, in reraise
      raise value.with_traceback(tb)
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/sqlalchemy/engine/base.py", line 1244, in _execute_context
      cursor, statement, parameters, context
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/sqlalchemy/engine/default.py", line 552, in do_execute
      cursor.execute(statement, parameters)
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/pymysql/cursors.py", line 170, in execute
      result = self._query(query)
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/pymysql/cursors.py", line 328, in _query
      conn.query(q)
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/pymysql/connections.py", line 517, in query
      self._affected_rows = self._read_query_result(unbuffered=unbuffered)
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/pymysql/connections.py", line 732, in _read_query_result
      result.read()
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/pymysql/connections.py", line 1075, in read
      first_packet = self.connection._read_packet()
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/pymysql/connections.py", line 684, in _read_packet
      packet.check_error()
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/pymysql/protocol.py", line 220, in check_error
      err.raise_mysql_exception(self._data)
    File "/var/lib/kolla/venv/lib/python3.6/site-packages/pymysql/err.py", line 109, in raise_mysql_exception
      raise errorclass(errno, errval)
  oslo_db.exception.DBError: (pymysql.err.InternalError) (1832, "Cannot change column 'network_id': used in a foreign key constraint 'subnets_ibfk_1'")
  [SQL: ALTER TABLE subnets MODIFY network_id VARCHAR(36) NOT NULL]
  (Background on this error at: http://sqlalche.me/e/2j85)"

  CentOS jobs are not affected. One major difference between these is
  that Ubuntu uses Mariadb 10.1, whereas CentOS uses MariaDB 10.3.

  Example:
  https://storage.bhs1.cloud.ovh.net/v1/AUTH_dcaab5e32b234d56b626f72581e3644c/logs_58/675658/8/check
  /kolla-ansible-ubuntu-source/712c02b/primary/logs/ansible/deploy

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