<div dir="ltr">The documentation on sharing writable data was updated last week, notably saying this works in version 2.19.1 and later. There is also a recommendation to not use subfolders. 2.20.1 is available from xenial proposed. <div> </div><div><a href="https://github.com/snapcore/snapd/wiki/Content-Interface" rel="noreferrer" target="_blank" style="font-size:12.8px">https://github.com/snapcore/snapd/wiki/Content-Interface</a> </div><div> </div><div>Hope it helps</div><div>Pat</div></div><div class="gmail_extra"> <div class="gmail_quote">On Wed, Dec 21, 2016 at 11:48 AM, Jacek Nykis <<a href="mailto:jacek.nykis@canonical.com" target="_blank">jacek.nykis@canonical.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi, I'm also affected by this problem, I can see that there is a bug in Launchpad now: <a href="https://bugs.launchpad.net/snappy/+bug/1650671" rel="noreferrer" target="_blank">https://bugs.launchpad.net/snappy/+bug/1650671</a> Does anybody know how to troubleshoot this? There is nothing interesting in /var/log/syslog Jacek <div class="HOEnZb"><div class="h5"> On 09/12/16 22:53, Tim Kuhlman wrote: > I had an opportunity to experiment some more unfortunately it still isn't working but I can provide more details. > > I was pointed to some documentation at <a href="https://github.com/snapcore/snapd/wiki/Content-Interface" rel="noreferrer" target="_blank">https://github.com/snapcore/snapd/wiki/Content-Interface</a> and used that > to update a bit of naming in the config. I have been running on yakety with the version of snapd and other > tools from yakety but in my debugging I updated to the latest snapd from the snappy edge ppa because I > discovered that without that $SNAP* prefixes in the config don't work otherwise. > > I'm working with the promreg charm which is the producer, it has this config: > slots: > content: > content: promreg > read: [$SNAP_COMMON/promreg] > > The consumer is the prometheus charm which has this config. > plugs: > content: > content: promreg > target: etc/prometheus/promreg > > After creating the charms and installing them then linking with the command `snap connect prometheus:content > promreg:content` I ran `sudo snap run --shell prometheus` initially I would get path errors, which I solved > with the upgraded snapd. > > The directory '/var/snap/promreg/common/promreg' does exist and has data in it. The destination directory in > the prometheus snap didn't originally exist but I tried creating it after reading > <a href="http://askubuntu.com/questions/841004/cannot-get-basic-content-interface-example-working-with-snapcraft" rel="noreferrer" target="_blank">http://askubuntu.com/questions/841004/cannot-get-basic-content-interface-example-working-with-snapcraft</a> > > After getting a shell with the command `sudo snap run --shell prometheus` I see that the destination dir is > empty if the destination dir was pre-existing and it doesn't exist at all if dir wasn't pre-existing. > > Any details I am missing? other debug steps? > > Tim > > On 12/05/2016 12:25 AM, Didier Roche wrote: >> Le 02/12/2016 à 19:34, Tim Kuhlman a écrit : >>> I have a snap that writes data to $SNAP_COMMON as it runs and I want to make that data available to another >>> snap. Unfortunately when I setup the content interface and set the plug side to share >>> '/var/snap/snap-name/common/subdir' it fails. >>> >>> I can share data in $SNAP with the content interface but of course the daemon running in that snap can't >>> write there. Am I missing anything? Is there any way to share dynamically created data from one snap with another? >>> >>> Thanks for the help. >> >> Hey Tim, >> >> I know that was supposed to be supported, but I don't know the >> implementation status of this. >> >> Zygmunt, can you shed some lights to us there? >> Cheers, >> Didier >> >> > </div></div> -- Snapcraft mailing list <a href="mailto:Snapcraft@lists.snapcraft.io">Snapcraft@lists.snapcraft.io</a> Modify settings or unsubscribe at: <a href="https://lists.ubuntu.com/mailman/listinfo/snapcraft" rel="noreferrer" target="_blank">https://lists.ubuntu.com/mailman/listinfo/snapcraft</a> </blockquote></div> </div>