On Sun, 12.01.14 06:32, Tom Gundersen ([email protected]) wrote:
> + r = mkdir_safe_label("/run/systemd/network", 0755, 0, 0);
> + if (r < 0)
> + return r;
> +
> + r = fopen_temporary("/run/systemd/network/resolv.conf", &f,
> &temp_path);
> + if (r < 0)
> + return r;
> +
> + fchmod(fileno(f), 0644);
> +
> + fputs("# This file is managed by systemd-networkd(8). Do not
> edit.\n", f);
I'd propose we add a longer comment here, explaining the situation. For
example, we should tell admins that the way to edit this file is to
replace the symlink in /etc by a real file, and edit that, thus opting
out of the automatic handling of networkd.
Also, we should make clear in the comment I think, that the real file is
not API other programs should ever reference, i.e. people should not
assume that we simply moved /etc/resolv.conf to /run and kept all other
semantics, and they can just happily read that file directly. They
should not do that, they should always use the /etc/resolv.conf name and
nothing else...
LLennart
--
Lennart Poettering, Red Hat
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