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  1. Machine Config Operator
  2. MCO-838

[TechPreview] Pin and pre-load images

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    • OCPSTRAT-763 - [TechPreview]Disconnected Cluster Update and Boot without local image registry - phase 1
    • OCPSTRAT-763[TechPreview]Disconnected Cluster Update and Boot without local image registry - phase 1
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      Given enhancement - https://github.com/openshift/enhancements/pull/1481

      Design Review Doc: https://docs.google.com/document/d/1-XuHN6_jvJMLULFwwAThfIcHqY32s32lU6m4bx7BiBE/edit

      We want to allow the relevant APIs to pin images and make sure those don't get garbage collected.

      Here is a summary of what will be required:

      1. CRI-O will need to be changed so that it doesn't remove pinned images, regardless of the version_file_persist setting.
      2. Add the new PinnedImageSet custom resource definition to the API.
      3. Initial proposal: #1609
      4. Add a new PinnedIMageSetController to the machine-config-controller.
      5. Add the logic to pin and pull the images to the machine-config-daemon.
      6. Update the documentation of recovery procedures to explain that pinned images shouldn't be removed.

              sbatschelet Sam Batschelet
              oourfali Oved Ourfali
              Sergio Regidor de la Rosa Sergio Regidor de la Rosa
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