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  1. Product Technical Learning
  2. PTL-9124

DO280-375: DO280 lab 7: docker-registry might become unavailable

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    • Icon: Story Story
    • Resolution: Done
    • Icon: Major Major
    • DO280 - OCP 3.5 1 20170829
    • DO280
    • None
    • ILT, ROLE, VT
    • en-US (English)

      URL:
      Reporter RHNID: olafbohlen
      Section: Lab - Managing Application Deployments
      Language: en-US (English)
      Workaround: Fix in the lab: oc login -u admin

      oc project default

      oc edit dc docker-registry

      (fix region=applications)

      wait till docker-registry is back up

      change back to the project:

      oc project schedule-review (which should be manage-review as stated in other issues)

      oc rollout latest version

      check that pods are running.

      At clean-up do not forget to change back the region tag in docker-registry's dc to infra!

      Description: If delegates follow the instructions for the lab of chapter 7 and they have unfortunately running their docker-registry pod on node2, which will be drained, OpenShift cannot redeploy the pod. The reason is that the nodeSelector in the docker-registry dc requires region=infra, which no nodes have at this point (both are set to applications at this point).

       

            rht-mjarrett Michael Jarrett
            olafbohlen Olaf Bohlen (Inactive)
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              Created:
              Updated:
              Resolved: