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  1. OpenShift Bugs
  2. OCPBUGS-31466

oc-mirror's new defaultChannel property breaks after initial sync


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    • CLID Sprint 251, CLID Sprint 252
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      *Cause*: What actions or circumstances cause this bug to present.
      *Consequence*: What happens when the bug presents.
      *Fix*: What was done to fix the bug.
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      *Cause*: What actions or circumstances cause this bug to present. *Consequence*: What happens when the bug presents. *Fix*: What was done to fix the bug. *Result*: Bug doesn’t present anymore.
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      Description of problem:

      It seems something might be wrong with the logic for the new defaultChannel property. After initially syncing an operator to a tarball, subsequent runs complain the catalog is invalid, as if defaultChannel was never set.

      Version-Release number of selected component (if applicable):

      I tried oc-mirror v4.14.16 and v4.15.2

      How reproducible:


      Steps to Reproduce:

      1. Write this yaml config to an isc.yaml file in an empty dir. (It is worth noting that right now the default channel for this operator is of course something else – currently `latest`.)

      kind: ImageSetConfiguration
      apiVersion: mirror.openshift.io/v1alpha2
          path: ./operator-images
          - catalog: registry.redhat.io/redhat/redhat-operator-index:v4.14
              - name: openshift-pipelines-operator-rh
                defaultChannel: pipelines-1.11
                  - name: pipelines-1.11
                    minVersion: 1.11.3
                    maxVersion: 1.11.3

      2. Using oc-mirror v4.14.16 or v4.15.2, run:

      oc-mirror -c ./isc.yaml file://operator-images

      3. Without the defaultChannel property and a recent version of oc-mirror, that would have failed. Assuming it succeeds, run the same command a second time (with or without the --dry-run option) and note that it now fails. It seems nothing can be done. oc-mirror says the catalog is invalid.

      Actual results:

      $ oc-mirror -c ./isc.yaml file://operator-images
      Creating directory: operator-images/oc-mirror-workspace/src/publish
      Creating directory: operator-images/oc-mirror-workspace/src/v2
      Creating directory: operator-images/oc-mirror-workspace/src/charts
      Creating directory: operator-images/oc-mirror-workspace/src/release-signatures
      No metadata detected, creating new workspace
      wrote mirroring manifests to operator-images/oc-mirror-workspace/operators.1711523827/manifests-redhat-operator-indexTo upload local images to a registry, run:        oc adm catalog mirror file://redhat/redhat-operator-index:v4.14 REGISTRY/REPOSITORY
            registry.redhat.io/openshift-pipelines/pipelines-chains-controller-rhel8 sha256:b06cce9e748bd5e1687a8d2fb11e5e01dd8b901eeeaa1bece327305ccbd62907 11.51KiB
            registry.redhat.io/openshift-pipelines/pipelines-chains-controller-rhel8 sha256:e5897b8264878f1f63f6eceed870b939ff39993b05240ce8292f489e68c9bd19 11.52KiB
        stats: shared=12 unique=274 size=24.71GiB ratio=0.98
      info: Mirroring completed in 9m45.86s (45.28MB/s)
      Creating archive operator-images/mirror_seq1_000000.tar
      $ oc-mirror -c ./isc.yaml file://operator-images
      Found: operator-images/oc-mirror-workspace/src/publish
      Found: operator-images/oc-mirror-workspace/src/v2
      Found: operator-images/oc-mirror-workspace/src/charts
      Found: operator-images/oc-mirror-workspace/src/release-signatures
      The current default channel was not valid, so an attempt was made to automatically assign a new default channel, which has failed.
      The failure occurred because none of the remaining channels contain an "olm.channel" priority property, so it was not possible to establish a channel to use as the default channel.
      This can be resolved by one of the following changes:
      1) assign an "olm.channel" property on the appropriate channels to establish a channel priority
      2) modify the default channel manually in the catalog
      3) by changing the ImageSetConfiguration to filter channels or packages in such a way that it will include a package version that exists in the current default channel
      The rendered catalog is invalid.
      Run "oc-mirror list operators --catalog CATALOG-NAME --package PACKAGE-NAME" for more information.
      error: error generating diff: the current default channel "latest" for package "openshift-pipelines-operator-rh" could not be determined... ensure that your ImageSetConfiguration filtering criteria results in a package version that exists in the current default channel or use the 'defaultChannel' field

      Expected results:

      It should NOT throw that error and instead should either update (if you've added more to the imagesetconfig) or gracefully print the "No new images" message.


            luzuccar@redhat.com Luigi Mario Zuccarelli
            rhn-support-rsawhill Ryan Sawhill
            ying zhou ying zhou
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