e0c09499a6
This patch fixes a database migration for SQLAlchemy 1.4.
In tacker repository following issues are encounter:
1. Replace deprecated SQLAlchemy "with_lockmode" method.
The method was deprecated in SQLAlchemy 0.9 [1][2]
and finally removed in version 1.4.
This patch replaces "with_lockmode" with new method
"with_for_update", which has no end-user impact.
2. The clause column IN, in the new version it requires parameters
passed to operator either be a list of literal value
or a tuple, or an empty list [3].
3. Observe an argument error in 'update' query.
Error: sqlalchemy.exc.ArgumentError: subject table for an INSERT,
UPDATE or DELETE expected, got Column('id', Uuid(length=36),
table=<vnf_software_images>, primary_key=True, nullable=False,
default=ColumnDefault(<function generate_uuid at 0x7fb5be371d30>))
4. The INSERT statement requires values to add in table as a list,
tuple or dictionary [4].
Error: sqlalchemy.exc.ArgumentError: mapping or sequence expected
for parameters
This patch creates a dictionary of fields to be insert in
VnfLcmOpOccs table.
5. Query fails on applying filters.
When applying query to list vnf package or vnf instance using
apply_filters() method exported from sqlalchemy_filters,
it failed.
AttributeError: 'Query' object has no attribute '_join_entities'
In SQLAlchemy 1.4 unification of "query" and "select" construct
took place [5][6].
The issue observe in tacker is an open bug of SQLAlchemy [7].
This patch drops "sqlalchemy_filters" and add customize method
to apply filters in query.
Note: This patch address sqlalchemy errors, SAWarnings will be resolve
in future patches.
[1] https://docs.sqlalchemy.org/en/13/changelog/migration_09.html?highlight=with_lockmode#new-for-update-support-on-select-query
[2] https://docs.sqlalchemy.org/en/13/orm/query.html#sqlalchemy.orm.query.Query.with_lockmode
[3] https://docs.sqlalchemy.org/en/14/core/sqlelement.html#sqlalchemy.sql.expression.ColumnElement.in_
[4] https://docs.sqlalchemy.org/en/14/core/dml.html#dml-class-documentation-constructors
[5] https://github.com/sqlalchemy/sqlalchemy/issues/5159
[6] https://gerrit.sqlalchemy.org/c/sqlalchemy/sqlalchemy/+/1599/
[7] https://github.com/juliotrigo/sqlalchemy-filters/issues/61
Co-Authored-By: Ayumu Ueha <ueha.ayumu@fujitsu.com>
Change-Id: Ifd1ae2753c639f22fc1afa020222416fe79469ef
Tacker
Welcome!
Tacker is an OpenStack based NFV Orchestrator service with built-in general purpose VNF Manager to deploy and operate Virtual Network Functions (VNFs) on an OpenStack based NFV Platform. It is based on ETSI MANO Architectural Framework and provides a fully functional stack to orchestrate VNFs end-to-end.
Installation:
Installation instructions and user guides can be found at: https://docs.openstack.org/tacker/
Tacker code base supports OpenStack master and other releases. Please follow the instructions in the above address for a successful installation of corresponding release.
Code:
Tacker code is available in following repositories:
- Tacker server: https://opendev.org/openstack/tacker
- Tacker Python client: https://opendev.org/openstack/python-tackerclient
- Tacker Horizon UI: https://opendev.org/openstack/tacker-horizon
Bugs:
Please report bugs at: https://bugs.launchpad.net/tacker
External Resources:
- Tacker Wiki: https://wiki.openstack.org/wiki/Tacker
- Tacker Blueprints: https://blueprints.launchpad.net/tacker
- For help on usage and hacking of Tacker, please send an email to OpenStack-dev Mailing List <mailto:openstack-discuss@lists.openstack.org> with [openstack-dev] [Tacker] tag.
- To get release notes: Tacker Release Notes