Issue #971: Remove yum dependence - koji

koji

#971 Remove yum dependence

Closed: Fixed 4 years ago by dgregor. Opened 5 years ago by mikem.

It should be possible to run any part of Koji without yum present, possibly with reduced functionality.

Here are the places we are currently importing yum:

In the cli: yum.comps
- this one is ok, we try libcomps first and do not require the import to work
In builder/mergerepos
- we import yum and yum.misc
- this code can be avoided with use_createrepo_c, so this is less of a priority
in builder/kojid, for dist repos
- we import yum.packages and yum.Errors
- yum.Errors appears to be unused
- yum.packages is only used for dist repos, so as a temporary step, we could make this a
  soft dep and disable multilib distrepo functionality
in builder/koji to find the pkgorigin data added to the repo by mergerepos
- used any time a task generates a buildroot that involves an external repo
- not really feasible to make this a soft dep

ngompa commented 5 years ago

kojid also uses repoMDObject from yum for external repo processing.

The drop-in alternative for this is pyrpmmd.

An alternative module (that offers a different API and is Python 3 only) is repomd from @carlwgeorge.

Edited 5 years ago by ngompa

tkopecek commented 5 years ago

I'm also using librepo from dnf in my testing branch for kojid conversion to py3.

mikem commented 5 years ago

kojid also uses repoMDObject from yum for external repo processing.

That is the fourth case, i.e. finding pkgorigin data.

ngompa commented 5 years ago

The multilib logic should be ported to python-multilib. That's the module used for multilibbing in Pungi, and it should suffice for Koji's needs too.