[OE-core] [PATCH 1/5] RFC image_types.bbclass: add image size limit for tar image type

[Richard Purdie]

On Thu, 2018-11-29 at 14:21 +0200, Mikko Rapeli wrote:
> If IMAGE_ROOTFS_SIZE_LIMIT is defined in image configuration, then
> build will fail if for tar image type the uncompressed tar ball size
> exceeds the value, as reported by 'du -ks'.
> 
> This check could be extended to other image types as well.
> 
> There already exists a check with IMAGE_ROOTFS_SIZE variable
> but I could not figure out how to actually use it. It does
> some quite complex overhead calculations which did not seem
> to work for me on sumo.
> 
> When the image size is exceeded, build fails like this:
> 
> ERROR: image-1.0-r0 do_image_tar: Image size 170712 of
> /home/builder/src/base/build/tmp/work/linux/image/1.0-r0/deploy-
> image-complete/image.rootfs.tar reported by 'du -ks' is larger than
> limit IMAGE_ROOTFS_SIZE_LIMIT 170000

What about IMAGE_ROOTFS_MAXSIZE?

I think IMAGE_ROOTFS_SIZE is about adding extra space to the image, not
limiting its size...

Cheers,

Richard