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fixed helm chart regression with kerberos in kubernetes - #70688

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Nataneljpwd wants to merge 4 commits into
apache:mainfrom
Nataneljpwd:feature/helm-fix-kinit-for-worker
Draft

fixed helm chart regression with kerberos in kubernetes#70688
Nataneljpwd wants to merge 4 commits into
apache:mainfrom
Nataneljpwd:feature/helm-fix-kinit-for-worker

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Fixed helm chart regression introduced in #38815

Due to the PR mentioned above, any task that used kerberos and ran kinit by itself has failed due to permission errors, which were caused due to a readonly mount for the kerberos cache on k8s pod template.
The pod template has been adjusted so that when there is a kerberos init container, the mount is readonly for the worker, otherwise, when no kerberos sidecar / init container is set, allow the base container to write to the cache directory

Also added a patch that we use locally for celery to allow for manual kinit per task.

@boring-cyborg boring-cyborg Bot added the area:helm-chart Airflow Helm Chart label Jul 29, 2026
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