Publishing a new Content View version fails inside lookup_distributor_id method

Environment

Red Hat Satellite 6.9 or older

Issue

• publishing a new Content View version fails in dynflow step Actions::Pulp::Repository::DistributorPublish with error per Diagnostic Steps
• any attempt to republish the CV fails

Resolution

First, Skip the paused step in dynflow console and then click to Resume on top of the page, to let the task complete.

Then, go to the CV versions page - some version (most probably the newest one) should be promoted to Library. Just in case there is no such version, do another publish, skip any failed state, resume etc, to have a CV version in Library (though after an erroneous Publish).

Now, delete the CV version that is promoted to Library. If some step would fail, skip & resume it.

Then try a new CV publish - it should succeed.

For more KB articles/solutions related to Red Hat Satellite 6.x Content View Issues, please refer to the Red Hat Satellite Consolidated Troubleshooting Article for Red Hat Satellite 6.x Content View Issues.

Root Cause

There was a missing pulp repository for the CV in Library - while katello thought the pulp repository exists.

Removing the CV version that is promoted to Library will delete also the katello repository record and thus a new CV publish will create all relevant entries properly.

Diagnostic Steps

• Dynflow step Actions::Pulp::Repository::DistributorPublish has output:

 Error:

NoMethodError

undefined method `[]' for nil:NilClass

---
- "/opt/theforeman/tfm/root/usr/share/gems/gems/katello-3.16.0.26/app/services/katello/pulp/repository.rb:199:in
  `lookup_distributor_id'"
- "/opt/theforeman/tfm/root/usr/share/gems/gems/katello-3.16.0.26/app/services/katello/pulp/repository.rb:193:in
  `block in distributor_publish'"
- "/opt/theforeman/tfm/root/usr/share/gems/gems/katello-3.16.0.26/app/services/katello/pulp/repository.rb:191:in
  `each'"
- "/opt/theforeman/tfm/root/usr/share/gems/gems/katello-3.16.0.26/app/services/katello/pulp/repository.rb:191:in
  `map'"
- "/opt/theforeman/tfm/root/usr/share/gems/gems/katello-3.16.0.26/app/services/katello/pulp/repository.rb:191:in
  `distributor_publish'"
..

• /var/log/messages has errors from the same time like:

Jul 28 16:11:02 satellite007 pulp: django.request:WARNING: Not Found: /pulp/api/v2/repositories/1-CV_Label-Library-347a4b77-02d8-49e8-95d5-e41a7cd6311d/

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