Updater

An OreSat application has the ability to update the board it is running on thru update archives.

Update Archive

• Update Archive
  • Compression
  • Tar Name
  • Tar Contents
  • instructions.txt

Basics

• Sending a update archive to the node will not trigger an update, only when the update subindex in the object dictionary is set an update will start.

• Can also generate status file that can be used to make future updates and to know what is install on the board.

• If a update fails the update file cache will be clear as it is assume all future updates require older updates.

States

class olaf._internals.updater.UpdaterState(value)

The integer value Updater’s update() will return

UPDATE_SUCCESSFUL = 0

The last update was successfully installed. Default State.

PRE_UPDATE_FAILED = 1

The last update failed during the inital non critical section. Either the was an error using the file cache, when opening tarfile, or reading the instructions file.

UPDATE_FAILED = 2

The update failed during the critical section. The updater fail while following the instructions.

UPDATING = 255

Updater is updating