NervesHubLink.UpdateManager (nerves_hub_link v2.9.0)

GenServer responsible for brokering messages between:

Should be started in a supervision tree

Summary

status()

Must be called when an update payload is dispatched from NervesHub. the map must contain a "firmware_url" key.

Change Updater used for the next firmware update.

Returns the UUID of the currently downloading firmware, or nil.

Returns the current status of the update manager

@type status() :: :idle | :updating

@spec apply_update(GenServer.server(), NervesHubLink.Message.UpdateInfo.t(), [
  String.t()
]) :: status()

Must be called when an update payload is dispatched from NervesHub. the map must contain a "firmware_url" key.

@spec change_updater(GenServer.server(), NervesHubLink.UpdateManager.Updater.t()) ::
  :ok

Change Updater used for the next firmware update.

Updaters orchestrate firmware downloads and installation.

@spec currently_downloading_uuid(GenServer.server()) :: uuid :: String.t() | nil

Returns the UUID of the currently downloading firmware, or nil.

@spec status(GenServer.server()) :: status()

Returns the current status of the update manager