Well yes, you can redirect output to any file you want. It is not configurable however. And it cannot reuse any logging configuration you already have. You cannot use journalctl to list errors for example. You have to create place for dnsmasq to write that log and rotate it in regular intervals.
This solution is good for debugging your new script for the first time. It does not seem to good solution, if you want to log any problems in your long running service. Dnsmasq is used by libvirt for example, to provide DNS and DHCP on virtual subnet. -- Petr Menšík Software Engineer Red Hat, http://www.redhat.com/ email: pemen...@redhat.com PGP: 65C6C973 ----- Original Message ----- From: "Alex Xu" <alex_y...@yahoo.ca> To: dnsmasq-discuss@lists.thekelleys.org.uk Sent: Friday, March 24, 2017 7:19:04 PM Subject: Re: [Dnsmasq-discuss] [PATCH] Logging of dhcp_script output On Fri, 24 Mar 2017 13:38:17 -0400 (EDT) Petr Mensik <pemen...@redhat.com> wrote: > Hi! > > Some guys using dnsmasq in virtual machines and OpenStack use custom > dhcp_script to manage leases of clients. However they complain if > there is anything wrong with them, then are just told broken pipe and > no information. > > We understand it should not produce any output under normal > operation. But it would be really helpful if at least anything was > visible in logs. Especially for errors happening under rare > circumstances. I have prepared patch to forward events from helper. > It prevents SIGPIPE receiving if script does write anything. And logs > it from dnsmasq. It seems very handy to me. > > It was not simple to forward it to main log. I would like opinions if > it is useful or dangerous. Do you consider it worth merging Simon? > > Best Regards, > Petr > -- > Petr Menšík > Software Engineer > Red Hat, http://www.redhat.com/ > email: pemen...@redhat.com PGP: 65C6C973 > you could also just put "exec >/var/log/whatever 2>&1" at the start of your script. hell, you can even do "exec > >(logger) 2>&1" if you want. _______________________________________________ Dnsmasq-discuss mailing list Dnsmasq-discuss@lists.thekelleys.org.uk http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss _______________________________________________ Dnsmasq-discuss mailing list Dnsmasq-discuss@lists.thekelleys.org.uk http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss
