Hello,
I could write a patch for that case. What would the recommended config
format be?

Example:
hostname=(on/off) default is on

access_log syslog:server=unix:/var/log/nginx.sock,hostname=off;


Regards


On Tue, Oct 27, 2015 at 3:14 PM, Vladimir Homutov <vl@nginx.com> wrote:

> On Fri, Oct 23, 2015 at 08:51:56PM +0200, Nils Hermansson wrote:
> > # HG changeset patch
> > # User Nils Hermansson <3tnica@gmail.com>
> > # Date 1445625283 -7200
> > # Fri Oct 23 20:34:43 2015 +0200
> > # Node ID 868fc6b3bf69be611118c597578e749c65698b8c
> > # Parent ee16fb0db905cfb858a929374cf623cdf1a0f9d3
> > Most standard syslog facilicties do not expect hostname when logging to
> > Unix Sockets.
> > This patch removes hostname from syslog message when logging to Unix
> Socket.
> > Tested on rsyslog and syslog-ng
> >
> > diff -r ee16fb0db905 -r 868fc6b3bf69 src/core/ngx_syslog.c
> > --- a/src/core/ngx_syslog.c Tue Oct 20 21:28:38 2015 +0300
> > +++ b/src/core/ngx_syslog.c Fri Oct 23 20:34:43 2015 +0200
> > @@ -219,9 +219,17 @@
> > ngx_uint_t pri;
> >
> > pri = peer->facility * 8 + peer->severity;
> > -
> > - return ngx_sprintf(buf, "<%ui>%V %V %V: ", pri,
> > &ngx_cached_syslog_time,
> > +#if (NGX_HAVE_UNIX_DOMAIN)
> > + if (peer->server.sockaddr->sa_family == AF_UNIX) {
> > + return ngx_sprintf(buf, "<%ui>%V %V: ", pri,
> > &ngx_cached_syslog_time,
> > + &peer->tag);
> > + } else {
> > +#endif
> > + return ngx_sprintf(buf, "<%ui>%V %V %V: ", pri,
> > &ngx_cached_syslog_time,
> > &ngx_cycle->hostname, &peer->tag);
> > +#if (NGX_HAVE_UNIX_DOMAIN)
> > + }
> > +#endif
> > }
>
> Hi Nils,
>
> we agree that there is some inconvenience with local syslog and are
> considering adding configuration option to select desired behaviour
> at this place.
>
> Note that there is a simple solution - to setup your syslog daemon
> to expect hostname. See https://trac.nginx.org/nginx/ticket/677
> and https://trac.nginx.org/nginx/ticket/783.
>
> Your suggested patch would breaks existing setups and make message
> content depend on transport, what is undesirable.
>
> _______________________________________________
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> nginx-devel@nginx.org
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>
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