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  1. OpenShift Bugs
  2. OCPBUGS-57784

oc-mirror errors out showing it trying to fetch from registry.redhat.io, in air-gapped env.

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    • 4.18.z
    • oc-mirror
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    • CLID Sprint 272
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    • Bug Fix
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      The `oc-mirror v2` was not using the correct filtered catalog during its operations leading to errors such as including more operators than specified in the configuration, and trying to connect to the catalog registry during disk-to-mirror workflows even in air-gapped environments. With this release, the correct filtered catalog is used. (link:https://issues.redhat.com/browse/OCPBUGS-57784[OCPBUGS-57784])
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      The `oc-mirror v2` was not using the correct filtered catalog during its operations leading to errors such as including more operators than specified in the configuration, and trying to connect to the catalog registry during disk-to-mirror workflows even in air-gapped environments. With this release, the correct filtered catalog is used. (link: https://issues.redhat.com/browse/OCPBUGS-57784 [ OCPBUGS-57784 ])
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      This is a clone of issue OCPBUGS-57461. The following is the description of the original issue:
      —
      Description of problem:

      Run oc-mirror d2m in an air-gapped env. 

oc-mirror shows error:

2025/06/13 18:43:09 [ERROR] : collection error: collect catalog “registry.redhat.io/redhat/redhat-operator-index:v4.17”: initializing source docker://registry.redhat.io/redhat/redhat-operator-index:v4.17: pinging container registry registry.redhat.io: Get “http://registry.redhat.io/v2/”: net/http: HTTP/1.x transport connection broken: unexpected EOF

       

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

          4.18.0-202506021034.p0.g1b20848.assembly.stream.el9-1b20848

      How reproducible:

          Always

      Steps to Reproduce:

          1. Do m2d
    2. Copy ISC and tar file into the air-gapped env.
    3. Load the tar file using d2m

Config:

kind: ImageSetConfiguration
apiVersion: mirror.openshift.io/v2alpha1
mirror:
  platform:
    channels:
    - name: stable-4.17
      minVersion: 4.17.16
      maxVersion: 4.17.16
      type: ocp
    graph: true
  operators:
  - catalog: registry.redhat.io/redhat/redhat-operator-index:v4.17
    packages:
    - name: kiali-ossm
      channels:
      - name: stable
    - name: web-terminal
      channels:
      - name: fast
    

$ ls -l 
total 28464656
-rw-------.  1 steve steve         828 Jun 14 11:41 imageset-config-save.yaml
-rw-r--r--.  1 steve steve 29147250688 Jun 13 13:40 mirror_000001.tar
drwxr-xr-x. 10 steve steve         165 Jun 14 11:42 working-dir

Debug output:
https://redhat-internal.slack.com/archives/C02JW6VCYS1/p1749872435013999?thread_ts=1749811523.774629&cid=C02JW6VCYS1

       

      Actual results:

          https://redhat-internal.slack.com/archives/C02JW6VCYS1/p1749872435013999?thread_ts=1749811523.774629&cid=C02JW6VCYS1

      Expected results:

          I would expect oc-mirror to load all images from d2m without error.

      Additional info:

          https://redhat-internal.slack.com/archives/C02JW6VCYS1/p1749811523774629

              rdossant Rafael Fonseca dos Santos
              openshift-crt-jira-prow OpenShift Prow Bot
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              May Xu May Xu
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                Created:
                Updated:
                Resolved: