Normally K3s will import all tarballs in the image dir on startup, and
re-import any tarballs that change while it is running.
This change allows users to opt into only importing tarballs that have
changed since they were last imported, even across restarts.
This behavior is opted into by touching a `.cache.json` file in the
images dir. This file is used to track the size and mtime of the image
files when they are imported.
Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
We are not making use of the stack traces that these functions capture, so we should avoid using them as unnecessary overhead.
Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
Brad Davidson
Vitor Savian