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  1. OpenShift Bugs
  2. OCPBUGS-1437

OLM Reports ResolutionFailed when there are multiple upgrade paths between channel entries

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Details

    • Bug
    • Resolution: Done
    • Undefined
    • None
    • 4.10
    • OLM
    • Moderate
    • [OLM-225] FBC - Qubernetes
    • 1
    • False
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    Description

      This is to backprop OCPBUGS-1087 to 4.10 release.
      Since this was committed to OCP 4.11 already (commit: https://github.com/openshift/operator-framework-olm/commit/f42891859d429ee92da04869ecca56917afccaf2, downstream PR: https://github.com/openshift/operator-framework-olm/pull/300) moving this directly to ON_QA state after setting up release links

       

      -------------------------------------------------------------------------------------------------------

       

      Description of problem:

      Catalog affected : icr.io/cpopen/datapower-operator-catalog:1.6.2

      opm render icr.io/cpopen/datapower-operator-catalog:1.6.2 -o yaml > catalog.yaml
      
       yq 'select(.schema == "olm.channel") | select(.name=="v1.6")' catalog.yaml
      entries:
        - name: datapower-operator.v1.6.0
          skipRange: '>=1.0.0 <1.6.0'
        - name: datapower-operator.v1.6.1
          replaces: datapower-operator.v1.6.0
          skipRange: '>=1.0.0 <1.6.1'
        - name: datapower-operator.v1.6.2
          replaces: datapower-operator.v1.6.1
          skipRange: '>=1.0.0 <1.6.2'
      name: v1.6
      package: datapower-operator
      schema: olm.channel
      
      

      This have worked fine untill 4.10 resolver changes. Also using both the replaces and skiprange seems to be okay the way it was explained here
      https://v0-18-z.olm.operatorframework.io/docs/concepts/olm-architecture/operator-catalog/creating-an-update-graph/#skiprange

      How reproducible:
      use following subscription, install 1.6.0 and then upgrade to 1.6.2

      apiVersion: operators.coreos.com/v1alpha1
      kind: Subscription
      metadata:
        labels:
          operators.coreos.com/datapower-operator.openshift-operators: ""
        name: datapower-operator
        namespace: openshift-operators
      spec:
        channel: v1.6
        installPlanApproval: Manual
        name: datapower-operator
        source: datapower
        sourceNamespace: openshift-marketplace
        startingCSV: datapower-operator.v1.6.0
      
      

      Error n subscription yaml :

        conditions:
        - lastTransitionTime: "2022-09-09T13:42:08Z"
          message: all available catalogsources are healthy
          reason: AllCatalogSourcesHealthy
          status: "False"
          type: CatalogSourcesUnhealthy
        - message: 'a unique replacement chain within a channel is required to determine
            the relative order between channel entries, but 2 replacement chains were found
            in channel "v1.6" of package "datapower-operator": datapower-operator.v1.6.2...datapower-operator.v1.6.0,
            datapower-operator.v1.6.1...datapower-operator.v1.6.0'
          reason: ErrorPreventedResolution
          status: "True"
          type: ResolutionFailed
      
      

      Logs

      I0909 13:43:51.492784       1 event.go:282] Event(v1.ObjectReference{Kind:"Namespace", Namespace:"", Name:"openshift-operators", UID:"aacda32d-748f-4408-88df-f895e74a23fe", APIVersion:"v1", ResourceVersion:"1260", FieldPath:""}): type: 'Warning' reason: 'ResolutionFailed' a unique replacement chain within a channel is required to determine the relative order between channel entries, but 2 replacement chains were found in channel "v1.6" of package "datapower-operator": datapower-operator.v1.6.2...datapower-operator.v1.6.0, datapower-operator.v1.6.1...datapower-operator.v1.6.0
      E0909 13:43:52.095288       1 queueinformer_operator.go:290] sync "openshift-operators" failed: a unique replacement chain within a channel is required to determine the relative order between channel entries, but 2 replacement chains were found in channel "v1.6" of package "datapower-operator": datapower-operator.v1.6.2...datapower-operator.v1.6.0, datapower-operator.v1.6.1...datapower-operator.v1.6.0
      
      

      Expected results:

      if this upgrade strategy which has worked fine before is still okay, this error should not be there. As per affected catalog maintainer, this seems to affecting reconciling of other resources.

       

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              rh-ee-jkeister Jordan Keister
              rhn-support-roarora Rohan Arora (Inactive)
              Xia Zhao Xia Zhao
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                Updated:
                Resolved: