Open Stack

We have proposed that the allowed characters for all resource names in Nova
(flavors, aggregates, etc.) be expanded to all printable unicode characters
and horizontal spaces: https://review.openstack.org/#/c/119741

Currently, the only allowed characters in most resource names are
alphanumeric, space, and [.-_].

We have proposed this change for two principal reasons:

1. We have customers who have migrated data forward since Essex, when no
restrictions were in place, and thus have characters in resource names that
are disallowed in the current version of OpenStack. This is only likely to
be useful to people migrating from Essex or earlier, since the current
restrictions were added in Folsom.

2. It's pretty much always a bad idea to add unnecessary restrictions
without a good reason. While we don't have an immediate need to use, for
example, the ever-useful http://codepoints.net/U+1F4A9 in a flavor name,
it's hard to come up with a reason people *shouldn't* be allowed to use it.

That said, apparently people have had a need to not be allowed to use some
characters, but it's not clear why:
https://bugs.launchpad.net/nova/+bug/977187

So I guess if anyone knows any reason why these printable characters should
not be joined in holy resource naming, speak now or forever hold your peace.

Thanks!

-- 
Chris St. Pierre
Senior Software Engineer
metacloud.com
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