kernelkit
Handle breaking changes (backup/restore)
Infix recently gained support for handling breaking model changes, with a JSON transformation framework for startup-config at boot.
However, many users want to be able to keep backups of device configurations to restore when, e.g., replacing a faulty unit, replicating a setup elsewhere, or during troubleshooting. These backups may not be compatible with the device's firmware version.
To improve the UX of this possible mess, dedicated RPCs for backup/restore are proposed. The backup RPC is more for symmetry, the real action is behind the restore of a possibly incompatible old backup configuration, where the same JSON transformations need to be done, and handled properly on failure.
Another use-case: user can verify an older .cfg file can be "played forward" and migrated to the latest syntax.
This is, quite possibly, the rollback/roll-back support feature we've been talking about AFK.