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Thanks Kevin,
We will also need https://review.openstack.org/#/c/453048/ in some way or form.

From: Kevin Benton <kevin at benton.pub>
Reply-To: OpenStack List <openstack-dev at lists.openstack.org>
Date: Tuesday, April 4, 2017 at 1:18 PM
To: OpenStack List <openstack-dev at lists.openstack.org>
Subject: Re: [openstack-dev] [neutron] Engine facade

I worked with Gary on IRC and discovered that we aren't making use of the flag added in [1], which makes adoption harder. I've proposed a patch to neutron-lib[2] that should alleviate some of these issues.

1. https://bugs.launchpad.net/oslo.db/+bug/1664643
2. https://review.openstack.org/#/c/453063/

On Tue, Apr 4, 2017 at 3:11 AM, Anna Taraday <akamyshnikova at mirantis.com<mailto:akamyshnikova at mirantis.com>> wrote:
Hi!

This errors does not mean that foreign key usage is broken. This means that there is a mess with transactions. As you paste small piece of trace it is hard to say why this happen, but during my work I saw such errors and resolve them. And probably you need to revisit your unit tests.

Please, send me email directly with links for traces, does this happen on master branch, does it happen on one of your changes - it is hard to guess.


On Tue, Apr 4, 2017 at 11:16 AM Gary Kotton <gkotton at vmware.com<mailto:gkotton at vmware.com>> wrote:
Hi,
The problem that we have is that any foreign key usage under transactions is now broken. An example of an exception that is raised is:

    DBReferenceError: (sqlite3.IntegrityError) FOREIGN KEY constraint failed [SQL: u'INSERT INTO neutron_nsx_firewall_section_mappings (created_at, updated_at, neutron_id, nsx_id) VALUES (?, ?, ?, ?)'] [parameters: ('2017-04-04 06:48:25.595118', None, '6a086bf1-b1c9-495f-bfca-810d6638e3fa', '2563cd05-edd9-4c7f-9708-857a129e2642')]

This is a major refactor in the plugin (which I guess is part and parcel of rolling with the punches). I am just concerned if we are the only folks that have affected by this.
Thanks
Gary

From: Gary Kotton <gkotton at vmware.com<mailto:gkotton at vmware.com>>
Reply-To: OpenStack List <openstack-dev at lists.openstack.org<mailto:openstack-dev at lists.openstack.org>>
Date: Monday, April 3, 2017 at 3:14 PM

To: OpenStack List <openstack-dev at lists.openstack.org<mailto:openstack-dev at lists.openstack.org>>
Subject: Re: [openstack-dev] [neutron] Engine facade

Hi,
We needed to make all of those changes to just get the plugin to pass unit tests and CI. We are still seeing lots of issues and need to look deeper. The façade changes have caused a lot of instability issues. I am not 100% sure why. Issues that we have seen:
1. object creation under a transaction broke
2. deleting DB entries under transaction also broke
Thanks
Gary


From: Anna Taraday <akamyshnikova at mirantis.com<mailto:akamyshnikova at mirantis.com>>
Reply-To: OpenStack List <openstack-dev at lists.openstack.org<mailto:openstack-dev at lists.openstack.org>>
Date: Monday, April 3, 2017 at 11:53 AM
To: OpenStack List <openstack-dev at lists.openstack.org<mailto:openstack-dev at lists.openstack.org>>
Subject: Re: [openstack-dev] [neutron] Engine facade

Hi!

I'm a little confused change https://review.openstack.org/#/c/452539/ is about switching for new facade, does the master branch fails the same?

On Mon, Apr 3, 2017 at 8:35 AM Gary Kotton <gkotton at vmware.com<mailto:gkotton at vmware.com>> wrote:
Yes, sorry my bad for not adding it - http://logs.openstack.org/39/452539/2/check/gate-vmware-nsx-python27-ubuntu-xenial/14c019c/testr_results.html.gz
Please see the test test_create_port_dns_name
Thanks
Gary

From: Kevin Benton <kevin at benton.pub>
Reply-To: OpenStack List <openstack-dev at lists.openstack.org<mailto:openstack-dev at lists.openstack.org>>
Date: Monday, April 3, 2017 at 12:56 AM
To: OpenStack List <openstack-dev at lists.openstack.org<mailto:openstack-dev at lists.openstack.org>>
Subject: Re: [openstack-dev] [neutron] Engine facade

Do you have a link to a traceback?

On Apr 2, 2017 09:25, "Gary Kotton" <gkotton at vmware.com<mailto:gkotton at vmware.com>> wrote:
Hi,
The change https://review.openstack.org/#/c/402750/ has broken the vmware-nsx plugin. I am not sure if this has had effect on any other decomposed plugins.
One of the issues that we have is when we create a PortDNS object under a transaction we get an exception: DBReferenceError: (sqlite3.IntegrityError) FOREIGN KEY constraint failed [SQL: u'INSERT INTO portdnses (port_id, current_dns_name, current_dns_domain, previous_dns_name, previous_dns_domain, dns_name) VALUES (?, ?, ?, ?, ?, ?)'] [parameters: ('2f2039ac-e7e6-4cc3-a8a0-3298089d4afb', u'', u'', u'', u'', u'port-dns-name')]
Any ideas?
Thanks
Gary

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