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Thanks for the inspiration!
I used the same logic, with a tweak: I run mount
in a (privileged) initContainer and place my umount
in a sidecar (privileged) container that sleeps forever until preStop.
Compared to the approach documented here, mine seems a tad more complex. But there’s no readinessProbe
or setup_complete
dummy file. (My app requires the mounts during startup; readinessProbe doesn’t delay startup, so I needed another approach.)