Janek Bevendorff created YUNIKORN-2768:
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Summary: Add support for AppID label selector instead of hardcoded
label names
Key: YUNIKORN-2768
URL: https://issues.apache.org/jira/browse/YUNIKORN-2768
Project: Apache YuniKorn
Issue Type: Improvement
Reporter: Janek Bevendorff
I find it kind of weird that the only way to set an AppID on my pods is via the
{{applicationId}} label or the {{yunikorn.apache.org/app-id}} annotation, and
(for some reason) the {{spark-app-selector}} label.
Instead of hard-coding support for Spark (and only Spark), it'd be great if
there were a general purpose {{matchLabels}} / {{matchExpressions}} label
selector
(https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#resources-that-support-set-based-requirements)
for specifying which labels on a pod are treated as an application ID. This
would alleviate the need for a hard-coded set of external labels for specific
frameworks inside YuniKorn (such as {{spark-app-selector}}) and more flexibly
allow me to properly schedule any kind of application, even if the application
itself does not support YuniKorn as a scheduler.
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