On Wed, 2016-02-24 at 19:49 +0100, Patrick Ohly wrote: > On Wed, 2016-02-24 at 16:09 +0000, Lock, Joshua G wrote: > > > > On Wed, 2016-02-24 at 16:37 +0100, Patrick Ohly wrote: > > > > > > Hello! > > > > > > I haven't had a chance to play with the actual code yet and I > > > don't > > > know > > > yet when I'll be able to. Let me ask for some clarifications > > > about > > > the > > > approach first anyway. > > > > > > On Wed, 2016-02-24 at 14:52 +0000, Joshua Lock wrote: > > > > > > > > > > > > Approach: > > > > An image that inherits the swupd-image bbclass will > > > > automatically > > > > have bundle > > > > 'chroots' created which contain the filesystem contents of the > > > > specified > > > > bundles, with the contents of the inheriting image forming the > > > > default os-core > > > > bundle. > > > > > > > > The mechanism to achieve this is that several virtual image > > > > recipes > > > > are created > > > > using the swupdbundle class, one for each defined bundle plus a > > > > 'mega' image > > > > recipe. The 'mega' image contains the base image plus the > > > > contents > > > > of all of the > > > > bundles, whilst bundle images contain only the base image plus > > > > the > > > > contents of a > > > > single bundle. > > > Just to be sure, the actual "content" (a term that is a bit too > > > overloaded to be used precisely in all cases) of a file and its > > > meta > > > attributes will come from the mega image, and the virtual image > > > recipes, > > > including the base image, are merely used to generate file lists? > > That's not currently true, no — the file contents for a bundle come > > from the bundle image and the file contents for os-core come from > > the > > base image. It shouldn't be too difficult a change to make, I'll > > take a > > look now. > The prime example that needs to be handled correctly is where > installing > additional packages for one of the extra bundles adds a system user > to /etc/passwd (*). The content of /etc/passwd must come from the > mega > rootfs.
Indeed, I'm working on that issue now and have filed a ticket to keep track: https://bugzilla.yoctoproject.org/show_bug.cgi?id=9193 > (*) Except that swupd assumes that the distro is stateless and thus > automatically excludes /etc from bundles. The example is still valid > because preparing bundles does not need to care about that. One of the patches I developed for swupd was to turn this into a configure time option for swupd-server, see: http://git.yoctoproject.org/cgit/cgit.cgi/meta-swupd/tree/recipes-core/ swupd-server/swupd-server/0002-Add-configure-option-to-re-enable- config-files-in-ma.patch Regards, Joshua -- _______________________________________________ Openembedded-core mailing list [email protected] http://lists.openembedded.org/mailman/listinfo/openembedded-core
