On Mon, 03.07.17 16:28, Reindl Harald ([email protected]) wrote: > > > Am 03.07.2017 um 16:20 schrieb Lennart Poettering: > > On Mon, 03.07.17 16:12, Reindl Harald ([email protected]) wrote: > > > > > Am 03.07.2017 um 15:59 schrieb Lennart Poettering: > > > > On Mon, 03.07.17 15:53, Reindl Harald ([email protected]) wrote: > > > > > > > > > Jul 3 15:48:01 backup-arrakis systemd: named.service: Failed at step > > > > > NAMESPACE spawning /usr/libexec/setup-named-chroot.sh: No such file or > > > > > directory > > > > > > > > > > by all repsect, this output is completly nonsense when the reason is > > > > > some > > > > > "InaccessibleDirectories" no longer exists and is not prefixed with a > > > > > dash > > > > > because it's not helpful to mention the binary with a "no such file" > > > > > > > > Yes, we can certainly improve the log message in this case, please > > > > file an RFE bug for that. > > > > > > > > Do note though, that fixing this specific issue is not as trivial as > > > > it sounds, as the namespacing operations happen very shortly before we > > > > actually execve() the service binary, at a time where the usual > > > > logging channels are already gone... Or to say this differently: that > > > > late in the game the only obvious way to report an error back to PID 1 > > > > is through process exit codes, which you see, and everything else is > > > > not entirely trivial. > > > > > > but how do you handle the "InaccessibleDirectories=-/non-exists" case > > > which > > > don't fail the service for *only* that specific line? > > > > Well, if a line is configured to to ignore errors, then we do just > > that, and proceed, and don't log about it. > > > > I mean, the issue is that logging is hard at that point... > > but if *one* out of many lines is prefixed by a dash you still know which > one to ignore and not ignore anything which fails and so at that point - > well - you know what failed
The code that sets up the namespace gets a list of paths to make innaccessible plus a boolean for each, that tells it whether it shall propagate ENOENT up or just eat it up immediately, proceeding with the next item in the list. Lennart -- Lennart Poettering, Red Hat _______________________________________________ systemd-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/systemd-devel
