[ale] ISC DHCPD configuration and logging

[James Sumners]

It took browsing through the source tree[1], but I managed to find the
appropriate documentation -- `man dhcp-eval`[2].

[1] --
https://source.isc.org/cgi-bin/gitweb.cgi?p=dhcp.git;a=blob;f=common/dhcp-eval.5;h=1ba2e449240618140cfc216f2aa3761688000d3b;hb=HEAD
[2] -- http://linux.die.net/man/5/dhcp-eval

On Thu, Jul 9, 2015 at 11:09 AM, James Sumners <james.sumners at gmail.com>
wrote:

> I really, _really_, wish there were an alternative to this software. But
> even their own Kea is a long way from production ready. Anyway...
>
> There seems to be a way to craft custom log messages along with some sort
> of scripting language:
>
> ```
> if not exists host-name {
>  set hostline = "DHCPNone";
> } else {
>  set hostline = option host-name;
> }
> on commit { log(info, concat("DHCP-commit", " ", binary-to-ascii(10, 8,
> ".", leased-address)," ",hwprint," ", hostline)); }
> ```
>
> I can't find one mention of this stuff in the dhcpd.conf man page. Does
> anyone know where I could find documentation on it? I'm primarily concerned
> with generating parseable messages (really, JSON structures) for lease
> issues, releases, and expirations.
>
> --
> James Sumners
> http://james.sumners.info/ (technical profile)
> http://jrfom.com/ (personal site)
> http://haplo.bandcamp.com/ (band page)
>



-- 
James Sumners
http://james.sumners.info/ (technical profile)
http://jrfom.com/ (personal site)
http://haplo.bandcamp.com/ (band page)
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