Provide mapping from a debian distros versions and codenames

[andrewschoen]

For example, these two urls should provide the same output:

https://chacra.ceph.com/binaries/ceph/jewel/HEAD/ubuntu/xenial/ https://chacra.ceph.com/binaries/ceph/jewel/HEAD/ubuntu/16.04/

I don't think we care about this for rpm-based distros.

[andrewschoen]

I think we'd want to actually store distro_version and distro_codename on the Binary and Repo models as well.

[dmick]

It could be useful for RPM as well; RHEL seems to actually use codename, and if it can be supported by the same mechanism without huge effort. CentOS seems to be the standout. No idea about others (Fedora?....SUSE?...)

[alfredodeza]

I don't think we need to provide the naming shim for chacra. Everything/anything that will be consumed is already provided by shaman. URLs in chacra could very well be a url using a short/unique sha1 (bit.ly style) and it would still be OK.

The main consumer of these will be teuthology, but teuthology will not need to ever contact a chacra API at all. The end goal is to provide a single API for asking for repos. Chacra is out of scope for that.

[andrewschoen]

Yeah, I can see the point in only doing this in Shaman as it's going to be what people are going to use to query for the status of repos, not Chacra.