Dante Catalfamo
3a2a689796
#25406 The `last_seen_times` table is only updates when osquery hits one of its authenticated endpoints, meaning it isn't updated when devices without osquery, like iphones, are enrolled. I've left a [comment](https://github.com/fleetdm/fleet/issues/25406#issuecomment-2590637318) on the original issue explaining how this happens. Originally, if there was no `last_seen_time`, the fallback value would be the `created_at` value on the `hosts` table, so ios devices would always get deleted once they were added X number of days ago. In its place, I've added the `detail_updated_at` column on the `hosts` table as the fallback value, and only use `created_at` if that is also empty. `detail_updated_at` is updated every time a full detail refetch completes. In the case of ios/ipados, [this is done using MDM](https://github.com/fleetdm/fleet/blob/cd5c0e8aed10664458f597b5d9600dd20bf3fdac/server/service/apple_mdm.go#L3101). `detail_updated_at` is updated less frequently than `last_seen_times`, only once every hour or so instead of every 30 seconds, but since expiration policies are set on the scale of days instead of hours, this should be fine. The way I've QA'd this is by adding an iOS device to my fleet instance, waited 24 hours, and set the expiration policy to 24 hours.
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Open-source platform for IT and security teams with thousands of computers. Designed for APIs, GitOps, webhooks, YAML, and humans.
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