On 02/23/2017 02:26 PM, Steve Langasek wrote: > Hi Kyle, > > On Thu, Feb 23, 2017 at 01:58:07PM -0800, Kyle Fazzari wrote: >> Hey all. > >> I've received a bug report on a snap where the user was running a 16.10 >> Server install with the snap in question, and getting DNS errors. I've >> distilled the problem as much as I can but I cannot for the life of me >> figure out what's happening, so I thought maybe the list could point me >> in the right direction. > >> Prerequisites >> ============= >> >> I have a demo snap (a standalone snapcraft.yaml) that will demonstrate >> this issue[1]. >> >> Ubuntu 16.10 Server uses systemd-resolved, which means its >> /etc/resolv.conf contains a single nameserver: >> >> nameserver 127.0.0.53 >> >> If you have others there, comment them out for the time being. >> >> >> Steps to reproduce >> ================== >> >> 1. Build and install the `resolved-test` snap[1]. It exposes two apps, >> `test` (which is a python2 script uses the requests lib) and `host` >> which is just the `host` utility from bind9-host. >> >> 2. With 127.0.0.53 as the only nameserver, run `resolved-test.test`. >> Note that it fails with "Name or service not known." > > acme-staging.api.letsencrypt.org is a CNAME. You are hitting bug #1647031, > which we encountered when trying to roll out systemd-resolved by default for > 17.04. This took a while to work through, but the fix has finally landed in > zesty as of a week ago; we should now SRU the upstream change back to > yakkety. (We should also SRU it back to xenial, but xenial needs a more > complete backport of fixes to resolved, not just a cherry-pick of this one > fix.) > > Dimitri, could you handle this backport to yakkety? Since unlike the > Desktop, Ubuntu Server does not use dnsmasq by default (which would override > resolved), this is a rather important bug there.
Hey guys, this still seems to be an issue for Yakkety. Any idea of the timeframe we're looking at for this SRU? -- Kyle Fazzari (kyrofa) Software Engineer Canonical Ltd. k...@canonical.com
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