Follow-up to the CronJob placement fix: a Pod cannot USE a ServiceAccount from
another namespace either (live drill: 'error looking up service account
minecraft/felis-reaper: serviceaccount not found'). Move the SA and its
RoleBinding subject to the Minecraft namespace alongside the CronJob.
A Pod can only mount PVCs from its own namespace; the CronJob referenced the
minecraft-namespace backup PVC while being rendered under ControlNamespace, so
it could never schedule — live drill: FailedScheduling 'persistentvolumeclaim
felis-backups not found'. The reaper Role/RoleBinding were already
minecraft-scoped (the objects it touches live there), so the CronJob was the
odd one out. The minecraft felis-config replica (felis setup, backup Job fix)
supplies its config mount.
The platform package that places servers across nodes and wires the operator, build, restore, and reaper subsystems, plus cmd/felis, the single binary that runs them.
Lemon-miaow
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