ee5e92c0ed
The panel could not show the storage ring or the transfer trend because nothing measured them. instance_traffic keeps one row per billing period — right for an allowance, useless as a series — and storage consumption was never sampled at all, so the card could only ever state what was sold rather than what is used. instance_metrics holds one row per instance per day, written by the traffic collector on the visit it already makes. A second scheduler entry against the same Proxmox API would have doubled the load and the failure modes for no gain. Disk usage comes from `df` inside the guest rather than from Proxmox's own disk figure, which reports the allocated image: that would show every customer a full 500 GB from their first day. The rule the whole thing is built on: a reading that could not be taken is not a reading of zero. The disk columns are nullable and left untouched when the guest agent does not answer, so yesterday's figure stands instead of the ring dropping to empty — which would tell a customer their data had vanished. Missing days stay missing in the series rather than being filled with zeroes, which would draw an outage that never happened. Both are covered by tests. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> |
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