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  1. OpenShift Bugs
  2. OCPBUGS-56043

[v2] helm repo mirroring is failing with Docker references with both a tag and digest are currently not supported

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      Previously, helm repo mirroring was failing for helm charts containing image references with both a tag and digest.
      With this fix, oc-mirror will use the image digest as the source of the mirroring, and will use the tag to reference the destination image.
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      Previously, helm repo mirroring was failing for helm charts containing image references with both a tag and digest. With this fix, oc-mirror will use the image digest as the source of the mirroring, and will use the tag to reference the destination image.
    • Bug Fix
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      This is a clone of issue OCPBUGS-54891. The following is the description of the original issue:
      —
      Description of problem:

      helm repo mirroring is failing with Docker references with both a tag and digest are currently not supported

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

      4.18

      How reproducible:

       100%

      Steps to Reproduce:

      1- Create below imageset to mirror helm repo

      kind: ImageSetConfiguration
apiVersion: mirror.openshift.io/v2alpha1
mirror:
  helm:
    repositories:
      - name: nginx-helm-charts
        url: https://kubernetes.github.io/ingress-nginx
        charts:
          - name: ingress-nginx
            version: 4.12.1

      2- Try to mirror to disk and observe below error

      # ./oc-mirror --config=./helmimageset.yaml file:///opt/testnginx/ --v2

1 / 1 () [=====================================================================================================================================================================================================] 100 %
 ✗   () controller:v1.12.1@sha256:d2fbc4ec70d8aa2050dd91a91506e998765e86c96f32cffb56c503c9c34eed5b ➡️  cache 
2025/04/11 11:25:01  [INFO]   : === Results ===
2025/04/11 11:25:01  [INFO]   :  ✗  0 / 1 helm images mirrored: Some helm images failed to be mirrored - please check the logs
2025/04/11 11:25:01  [ERROR]  : [Worker] error mirroring image registry.k8s.io/ingress-nginx/controller:v1.12.1@sha256:d2fbc4ec70d8aa2050dd91a91506e998765e86c96f32cffb56c503c9c34eed5b error: invalid source name docker://registry.k8s.io/ingress-nginx/controller:v1.12.1@sha256:d2fbc4ec70d8aa2050dd91a91506e998765e86c96f32cffb56c503c9c34eed5b: Docker references with both a tag and digest are currently not supported
2025/04/11 11:25:01  [INFO]   : 📦 Preparing the tarball archive...
2025/04/11 11:25:01  [INFO]   : mirror time     : 17.856017384s
2025/04/11 11:25:01  [WARN]   : [Worker] some errors occurred during the mirroring.

      3- The same mirroring is completed if i use v1

      Actual results:

      Mirroring image is failing

      Expected results:

      Mirroring should be completed as the same is working with v1

      Additional info:

              skhoury@redhat.com Sherine Khoury
              openshift-crt-jira-prow OpenShift Prow Bot
              Nidan Gavali Nidan Gavali
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                Created:
                Updated:
                Resolved: