feat(uptime-kuma): snapshot the volume nightly with Longhorn - #75
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PragalvaXFREZ wants to merge 1 commit into
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PragalvaXFREZ wants to merge 1 commit into
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Declare a RecurringJob that takes a daily snapshot and retains seven, bound to the claim through the recurring-job label Longhorn copies onto the volume. Snapshots stay on the volume's disks; off-cluster copies remain the on-demand Velero path. Signed-off-by: Pragalva Sapkota <sapkotapragalva@gmail.com>
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Stacked on #73. Base retargets to
mainonce that merges.What
RecurringJobuptime-kuma-dailyinlonghorn-system: tasksnapshot, cron15 3 * * *, retain 7, concurrency 1. Declared beside the workload because the workload owns its lifecycle; Argo applies it to the namespace the manifest names.recurring-job.longhorn.io/uptime-kuma-daily: enabled, which is how Longhorn binds a volume to a named job.Why a Longhorn snapshot and not a Velero schedule
kubernetes/infra/storage/velero/README.mdrecords that no unattendedScheduleexists because R2 has a 1 GB ceiling and no provider-side quota. That contract is left intact. A Longhorn snapshot costs a few MB on disks with hundreds of GB free, runs inside the existing instance managers with no new pods, and covers the realistic failure for this workload: a corrupt SQLite file or a bad chart upgrade. It does not cover losing both workers. Off-cluster stays on-demand.Validation
kubeconform -strictpasses on the resources directory; the RecurringJob validates against the datreelonghorn.iocatalog schema.v1beta2.python3 scripts/check-docs.pypasses.After merge
The Kuma volume must carry the
recurring-job.longhorn.io/uptime-kuma-dailylabel. After the first 03:15 run, the Longhorn UI shows one snapshot on the volume.