As a user, I can sync a distribution unit with the existing yum_importer without requiring yum metadata
This comes from a need by katello to sync kickstart trees for Project Atomic. For all of pulp's life, it has assumed that a "distribution" unit must be part of a yum repository. Atomic has proven that to not be true.
In the face of some unfortunate work-arounds, I did a quick investigation to see how close the current yum_importer is to being able to sync a distribution with no yum metadata present. It turned out to be very easy, and I had a working PoC in about 10 minutes.
The existing logic for skipping yum-related steps was easy to use. We just need to change the error handling when repomd.xml can't be found, so that instead of failing the task, it sets the "skip_repomd_steps" flag and allows the distribution sync to continue.
Turning the PoC into a PR will be very easy.
Here is a repo to test with that does not have yum metadata: https://ci.centos.org/artifacts/sig-atomic/centos-continuous/images-alpha/installer/latest/images/
And here is one that does have yum metadata (the case we've always handled): http://mirror.cs.vt.edu/pub/CentOS/7/os/x86_64/
- create a yum repo in pulp with a feed to the above repo, or a similar one
- sync the repo
- verify that the repo contains 1 distribution unit after the sync runs
#5 Updated by mhrivnak about 5 years ago
- Checklist item When no yum metadata is present but a kickstart tree is, the yum importer will create a distribution unit. set to Done
- Checklist item When no yum metadata is present, and no treeinfo file is present, the error handling remains the same as before. set to Done
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