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Bug 1862523: Add migration controller #69

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merged 1 commit into from Aug 5, 2020

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jsafrane
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@jsafrane jsafrane commented Aug 3, 2020

OLMOperatorRemovalController removes CSI driver operator from OLM. It must run before CSO starts CSI driver operator to make sure only one operator / only one driver runs at a time.

It removes Subscription, CSV, waits for the old operator Deployment to get removed by OLM and finally it force-removes the old CR (by clearing all its finalizers).

It signalizes that it's finished with OLM removal by setting ManilaOLMOperatorRemovalAvailable: true. This is then recognized by CSIDriverStarterController that runs the new operator.

OLMOperatorRemovalController removes CSI driver operator from OLM. It
must run before CSO starts CSI driver operator to make sure only one
operator / only one driver runs at a time.
@jsafrane jsafrane changed the title Add migration controller Bug 1862523: Add migration controller Aug 3, 2020
@openshift-ci-robot openshift-ci-robot added bugzilla/severity-high Referenced Bugzilla bug's severity is high for the branch this PR is targeting. bugzilla/valid-bug Indicates that a referenced Bugzilla bug is valid for the branch this PR is targeting. labels Aug 3, 2020
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@jsafrane: This pull request references Bugzilla bug 1862523, which is valid. The bug has been moved to the POST state. The bug has been updated to refer to the pull request using the external bug tracker.

3 validation(s) were run on this bug
  • bug is open, matching expected state (open)
  • bug target release (4.6.0) matches configured target release for branch (4.6.0)
  • bug is in the state ASSIGNED, which is one of the valid states (NEW, ASSIGNED, ON_DEV, POST, POST)

In response to this:

Bug 1862523: Add migration controller

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

@openshift-ci-robot openshift-ci-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Aug 3, 2020
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jsafrane commented Aug 3, 2020

cc @openshift/storage

subNamespace, subName, csvName, found, err := c.findSubscription(ctx)
if err != nil {
return err
}
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@bertinatto bertinatto Aug 4, 2020

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Is there a way to short-circuit here in case everything has been deleted already?

Edit: CSI migration logic adds a "migrated" annotation to CSINode once the node has been migrated, would that work here?

Edit: to clarify: add an annotation to the CR so we can short-circuit here

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/lgtm

@openshift-ci-robot openshift-ci-robot added the lgtm Indicates that a PR is ready to be merged. label Aug 4, 2020
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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: bertinatto, jsafrane

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  • OWNERS [bertinatto,jsafrane]

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/retest

Please review the full test history for this PR and help us cut down flakes.

2 similar comments
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/retest

Please review the full test history for this PR and help us cut down flakes.

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/retest

Please review the full test history for this PR and help us cut down flakes.

@openshift-merge-robot openshift-merge-robot merged commit e14671a into openshift:master Aug 5, 2020
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@jsafrane: All pull requests linked via external trackers have merged: openshift/cluster-storage-operator#69. Bugzilla bug 1862523 has been moved to the MODIFIED state.

In response to this:

Bug 1862523: Add migration controller

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

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5 participants