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  1. OpenShift Bugs
  2. OCPBUGS-57964

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

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    • CLID Sprint 272
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    • Bug Fix
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      * Before this update, the `oc-mirror v2` plugin was not using the correct filtered catalog during its operations. As a consequence, unspecified operators were included in the configuration, and the plugin tried 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-57964[OCPBUGS-57964])
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      * Before this update, the `oc-mirror v2` plugin was not using the correct filtered catalog during its operations. As a consequence, unspecified operators were included in the configuration, and the plugin tried 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-57964 [ OCPBUGS-57964 ])
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      This is a clone of issue OCPBUGS-57784. The following is the description of the original issue:
      —
      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: