Le jeu. 27 févr. 2020 à 16:30, Andreas Kempe <andreas.ke...@actia.se> a écrit :
> On Thu, Feb 27, 2020 at 10:04:37AM +0100, Jérémy ROSEN wrote: > > It is somewhat comforting knowing that others are seeing similar > issues. :) > > And not to far... you're a customer of ours :P (well... actia in Toulouse is...) > > I did a complete analysis of what's going on, with a patch that improves > > the situation here : https://github.com/systemd/systemd/pull/14135 > > I am not sure how to deal with it in your specific case. > > the simplest approch would be to mount your overlay in a initrd (or in a > > small script shell that is run before systemd and exec systemd as its > last > > step) > > > > I was contemplating whether it could be acceptable having the same > static machine-id file pre-generated for all systems. I'm not 100% sure > what it's used for, TBH; would it be a really bad idea? > As long as two machines with the same machine-id are never in contact you should be fine... Theoretically the machine-id should never cross the network, but you never know what individual apps might do The only place where that could be problematic is the journal : if you mix the logs of multiple machines with the same machine-id, you won't be able to tell them appart and that might have other side-effects I wouldn't know about... > > > My patch wouldn't really help in your case, but maybe you can "cheat" by > > having the underlying /etc/machine-id bein a symlink to the overlay > > directory... that could work. > > > > I had a look at your patch and as you said, it doesn't really solve > our use case. At the moment, we decided to remove the overlay from the > affected parts and simply require a new system image if one wants to > change /etc. > > We were planning on having signed read-only overlays for configuration > in the future so I guess we'll have to investigate this further at a > later date. > > Thank you for taking the time to respond! > Cordially, > Andreas Kempe -- [image: SMILE] <http://www.smile.eu/> 20 rue des Jardins 92600 Asnières-sur-Seine *Jérémy ROSEN* Architecte technique [image: email] jeremy.ro...@smile.fr [image: phone] +33 6 88 25 87 42 [image: url] http://www.smile.eu [image: Twitter] <https://twitter.com/GroupeSmile> [image: Facebook] <https://www.facebook.com/smileopensource> [image: LinkedIn] <https://www.linkedin.com/company/smile> [image: Github] <https://github.com/Smile-SA> [image: Découvrez l’univers Smile, rendez-vous sur smile.eu] <https://www.smile.eu/fr/publications/livres-blancs/yocto?utm_source=signature&utm_medium=email&utm_campaign=signature>
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