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Re: can't get db_sync to work

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I made a bad assumption, it is using 0.7.8 and still gets the error:

[root@glance site-packages]# glance-manage -v db_sync
2013-04-10 22:08:09.970 2966 INFO glance.db.sqlalchemy.migration [-] Upgrading database to version latest 2013-04-10 22:08:10.019 2966 CRITICAL glance [-] 'PGSchemaChanger' object has no attribute '_validate_identifier' 
2013-04-10 22:08:10.019 2966 TRACE glance Traceback (most recent call last):
2013-04-10 22:08:10.019 2966 TRACE glance File "/usr/bin/glance-manage", line 134, in <module> 
2013-04-10 22:08:10.019 2966 TRACE glance     main()
2013-04-10 22:08:10.019 2966 TRACE glance File "/usr/bin/glance-manage", line 128, in main 
2013-04-10 22:08:10.019 2966 TRACE glance     CONF.command.func()
2013-04-10 22:08:10.019 2966 TRACE glance File "/usr/bin/glance-manage", line 80, in do_db_sync 
2013-04-10 22:08:10.019 2966 TRACE glance CONF.command.current_version)
2013-04-10 22:08:10.019 2966 TRACE glance File "/usr/lib/python2.6/site-packages/glance/db/sqlalchemy/migration.py", line 127, in db_sync 
2013-04-10 22:08:10.019 2966 TRACE glance upgrade(version=version)
2013-04-10 22:08:10.019 2966 TRACE glance File "/usr/lib/python2.6/site-packages/glance/db/sqlalchemy/migration.py", line 66, in upgrade 2013-04-10 22:08:10.019 2966 TRACE glance return versioning_api.upgrade(sql_connection, repo_path, version) 2013-04-10 22:08:10.019 2966 TRACE glance File "/usr/lib/python2.6/site-packages/migrate/versioning/api.py", line 185, in upgrade 2013-04-10 22:08:10.019 2966 TRACE glance return _migrate(url, repository, version, upgrade=True, err=err, **opts) 2013-04-10 22:08:10.019 2966 TRACE glance File "<string>", line 2, in _migrate 2013-04-10 22:08:10.019 2966 TRACE glance File "/usr/lib/python2.6/site-packages/migrate/versioning/util/__init__.py", line 160, in with_engine 
2013-04-10 22:08:10.019 2966 TRACE glance     return f(*a, **kw)
2013-04-10 22:08:10.019 2966 TRACE glance File "/usr/lib/python2.6/site-packages/migrate/versioning/api.py", line 364, in _migrate 2013-04-10 22:08:10.019 2966 TRACE glance schema.runchange(ver, change, changeset.step) 2013-04-10 22:08:10.019 2966 TRACE glance File "/usr/lib/python2.6/site-packages/migrate/versioning/schema.py", line 90, in runchange 
2013-04-10 22:08:10.019 2966 TRACE glance change.run(self.engine, step)
2013-04-10 22:08:10.019 2966 TRACE glance File "/usr/lib/python2.6/site-packages/migrate/versioning/script/py.py", line 145, in run 
2013-04-10 22:08:10.019 2966 TRACE glance     script_func(engine)
2013-04-10 22:08:10.019 2966 TRACE glance File "/usr/lib/python2.6/site-packages/glance/db/sqlalchemy/migrate_repo/versions/006_key_to_name.py", line 85, in upgrade 2013-04-10 22:08:10.019 2966 TRACE glance index.rename('ix_image_properties_image_id_name') 2013-04-10 22:08:10.019 2966 TRACE glance File "/usr/lib/python2.6/site-packages/migrate/changeset/schema.py", line 620, in rename 2013-04-10 22:08:10.019 2966 TRACE glance engine._run_visitor(visitorcallable, self, connection, **kwargs) 2013-04-10 22:08:10.019 2966 TRACE glance File "/usr/lib64/python2.6/site-packages/SQLAlchemy-0.7.8-py2.6-linux-x86_64.egg/sqlalchemy/engine/base.py", line 2303, in _run_visitor 2013-04-10 22:08:10.019 2966 TRACE glance conn._run_visitor(visitorcallable, element, **kwargs) 2013-04-10 22:08:10.019 2966 TRACE glance File "/usr/lib64/python2.6/site-packages/SQLAlchemy-0.7.8-py2.6-linux-x86_64.egg/sqlalchemy/engine/base.py", line 1973, in _run_visitor 
2013-04-10 22:08:10.019 2966 TRACE glance **kwargs).traverse_single(element)
2013-04-10 22:08:10.019 2966 TRACE glance File "/usr/lib/python2.6/site-packages/migrate/changeset/ansisql.py", line 55, in traverse_single 2013-04-10 22:08:10.019 2966 TRACE glance ret = super(AlterTableVisitor, self).traverse_single(elem) 2013-04-10 22:08:10.019 2966 TRACE glance File "/usr/lib64/python2.6/site-packages/SQLAlchemy-0.7.8-py2.6-linux-x86_64.egg/sqlalchemy/sql/visitors.py", line 106, in traverse_single 
2013-04-10 22:08:10.019 2966 TRACE glance     return meth(obj, **kw)
2013-04-10 22:08:10.019 2966 TRACE glance File "/usr/lib/python2.6/site-packages/migrate/changeset/ansisql.py", line 172, in visit_index 2013-04-10 22:08:10.019 2966 TRACE glance (self.preparer.quote(self._validate_identifier(index.name, 2013-04-10 22:08:10.019 2966 TRACE glance AttributeError: 'PGSchemaChanger' object has no attribute '_validate_identifier' 
2013-04-10 22:08:10.019 2966 TRACE glance

I'll keep digging, but any help is appreciated.

Greg

On 04/10/2013 01:56 PM, Greg Hill wrote:
Trying to get openstack going with postgresql 9.2 as the database. Started with glance. I got all the grizzly RPMs from this repo: 

http://repos.fedorapeople.org/repos/openstack/openstack-grizzly/epel-6/
The database is created and the connection seems to work fine, but I get this error: 

[root@glance site-packages]# glance-manage db_sync
2013-04-10 20:36:47.482 2786 CRITICAL glance [-] 'PGSchemaChanger' object has no attribute '_validate_identifier'
I googled that and found a reference that it was an upstream SQLAlchemy bug that was fixed in 0.7.1.
Luckily, the repo above provides version 0.7.8 of SQLAlchemy. I noticed that both version 0.5.5 and 0.7.8 of SQLAlchemy are installed: 

[root@glance glance]# yum list installed python-sqlalchemy*
Installed Packages
python-sqlalchemy.noarch 0.5.5-3.el6_2 @system-base
python-sqlalchemy0.7.x86_64 0.7.8-1.el6 @epel
But forcing removal of 0.5.5 and restarting everything does not cause the issue to go away. Is there something else I can check? Is there some way to just dump the SQL commands to manually create the database? Is there some way to force glance to use the 0.7.8 version of SQLAlchemy?
Not that I believe it's relevant, but here's the connection string from the config file (scrubbed). Both the api and registry configs have this set, and it's the only config value I changed from the default. 

sql_connection = postgresql://$user:$pass@$ip/glance

Greg

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