[openstack-dev] [nova] Metadata API cross joining "instance_metadata" and "instance_system_metadata"

Sergio A. de Carvalho Jr. scarvalhojr at gmail.com
Mon Oct 22 21:05:24 UTC 2018


On Mon, Oct 22, 2018 at 9:15 PM Sergio A. de Carvalho Jr. <
scarvalhojr at gmail.com> wrote:

> Cool, I'll open a bug then.
> I was wondering if, before joining the metadata tables with the rest of
> instance data, we could do a UNION, since both tables are structurally
> identical.
> On Mon, Oct 22, 2018 at 9:04 PM Dan Smith <dms at danplanet.com> wrote:
>> > Do you guys see an easy fix here?
>> >
>> > Should I open a bug report?
>> Definitely open a bug. IMHO, we should just make the single-instance
>> load work like the multi ones, where we load the metadata separately if
>> requested. We might be able to get away without sysmeta these days, but
>> we needed it for the flavor details back when the join was added. But,
>> user metadata is controllable by the user and definitely of interest in
>> that code, so just dropping sysmeta from the explicit required_attrs
>> isn't enough, IMHO.
>> --Dan
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