Paul Howarth wrote: > On Fri, 23 Feb 2018 15:04:44 +0000 > Tom Hughes <tom@xxxxxxxxxx> wrote: > >> On 23/02/18 14:33, Paul Howarth wrote: >>> On Thu, 22 Feb 2018 18:49:02 +0100 >>> Marek Polacek <polacek@xxxxxxxxxx> wrote: >>>> proftpd: timeouts in tests, but in koji it's fine >>> >>> I get this too. If I build with mock --old-chroot then it works >>> fine. >> >> So the obvious difference is that mock with --old-chroot has >> networking enabled while the default (ie --new-chroot) does not. >> >> Does --enable-network also make it work? > > Yes, it does. > >> That doesn't explain koji though, as that has networking disabled. You likely know, koji doesn't run the current mock. It's got mock-1.3.4 which used the old-style chroot rather than systemd-nspawn. I'm not sure how exactly networking is disabled on the builders. > Indeed. It looks like it's the combination of using nspawn and no > network that breaks it. A fedpkg mockbuild of proftpd works with nspawn if you add the '--private-network' option in site-defaults.cfg, i.e.: config_opts['nspawn_args'] = ['--private-network'] Without that option the way networking is disbled can cause problems like this. If you want to use the old-style chroot with fedpkg mockbuild, it can be set in site-defaults.cfg via: config_opts['use_nspawn'] = False Working out the issues with mock's use of systemd-nspawn would be ideal. I left off looking at it by setting the '--private-network' option, but I didn't feel that I had enough evidence that was the only/best solution to propose it as a patch (particularly because it was used in a previous iteration of the changes in the issue below). As I mentioned in a previous reply, more discussion of this can be found in mock issue #113: https://github.com/rpm-software-management/mock/issues/113 I remember thinking part of the issue seemed to be that the solution currently implemented in mock sets the default route to 127.0.0.1 but copies /etc/resolv.conf from the host system -- regardless of the use_host_resolv setting because systemd-nspawn overrides mock and copies the system /etc/resolv.conf to the container. If someone has some time to poke around with this and perhaps open a new mock issue, that would be great. -- Todd ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Wisdom has two parts: (1) having a lot to say and (2) not saying it.
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