OCPBUGS-17157: *: filter informers when preconditions are met #3021
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@stevekuznetsov: This pull request references Jira Issue OCPBUGS-17157, which is valid. 3 validation(s) were run on this bug
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should we add some unit tests around this package?
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What would you like to see? I held off since most of the logic in here is very thin implementation on top of client calls and seemed like it could be validated by inspection.
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| func Validate(ctx context.Context, logger *logrus.Logger, metadataClient metadata.Interface) (bool, error) { |
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Will it be safe to remove this check at some point, e.g. after we know everything has been labeled?
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Yes, whenever we are at a version where all upgrade paths have gone through some state that has the labeling controller in, we can remove this precondition, the label controllers, etc, and just filter by default.
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Would it be useful to place a sentinel ConfigMap somewhere that indicates 100% labeling, and check for that, so we don't have to list all the things each time we startup?
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There's no capital C consistent way to ensure that is always correct, since storage can be sharded by resource. We're only doing partial object metadata lists here, so I think it should be ok?
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Actually ... for Jobs we need the spec 🤦
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Found a workaround for jobs that does not need the spec.
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When we can detect at startup time that all of the objects we're about to look at have the labels we're expecting, we can filter our informer factories upfront. Signed-off-by: Steve Kuznetsov <[email protected]>
Signed-off-by: Steve Kuznetsov <[email protected]>
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/retest |
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I can't get any of the fail-forward e2e tests to fail locally :| |
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: stevekuznetsov, tmshort The full list of commands accepted by this bot can be found here. The pull request process is described here
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@stevekuznetsov: Jira Issue OCPBUGS-17157: Some pull requests linked via external trackers have merged:
The following pull requests linked via external trackers have not merged: These pull request must merge or be unlinked from the Jira bug in order for it to move to the next state. Once unlinked, request a bug refresh with Jira Issue OCPBUGS-17157 has not been moved to the MODIFIED state. In response to this:
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*: filter informers when preconditions are met
When we can detect at startup time that all of the objects we're about
to look at have the labels we're expecting, we can filter our informer
factories upfront.
Signed-off-by: Steve Kuznetsov [email protected]
depends on #3020