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Today's Topics:
1. Re: Build a custom log entry on a DHCPACK CentOS 6. (Mark Haney)
----------------------------------------------------------------------
Message: 1
Date: Tue, 30 May 2017 08:02:10 -0400
From: Mark Haney <mark.ha...@neonova.net>
To: dhcp-users@lists.isc.org
Subject: Re: Build a custom log entry on a DHCPACK CentOS 6.
Message-ID: <16fe516d-1075-70b0-156f-10f787404...@neonova.net>
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Well, it sort of works that way. The issue now is it is logging it
twice. Which doesn't make sense to me in any way. I only posted half
the 'if' statement, but logically the else shouldn't matter. Why is /on
commit/ logging 2 (and sometimes 3) entries for one DHCPACK?
On 05/26/2017 03:23 PM, Bob Harold wrote:
>
> On Fri, May 26, 2017 at 3:08 PM, Mark Haney <mark.ha...@neonova.net
> <mailto:mark.ha...@neonova.net>> wrote:
>
> Okay, let me see if I get this straight, I should wrap the entire
> if statement inside an 'on commit {}' block?
>
>
> Yes
>
> on commit {
> if exists agent.circuit-id
> {
> log (info, concat( "DHCPUSER:,", concat (suffix (concat ("0",
> binary-to-ascii (16, 8, "", substring( hardware, 1, 1))),2), ":",
> suffix (concat ("0", binary-to-ascii (16, 8, "",substring( hardware,
> 2, 1))),2), ":", suffix (concat ("0", binary-to-ascii(16, 8, "",
> substring( hardware, 3, 1))),2), ":", suffix (concat ("0",
> binary-to-ascii (16, 8, "", substring( hardware, 4, 1))),2),":",
> suffix (concat ("0", binary-to-ascii (16, 8, "", substring( hardware,
> 5, 1))),2), ":", suffix (concat ("0", binary-to-ascii (16, 8, "",
> substring( hardware, 6, 1))),2)), ",IP:,", binary-to-ascii (10, 8,
> ".", leased-address), ",CID:,", option agent.circuit-id));
> }
> }
>
> --
> Bob Harold
>
> On Fri, May 26, 2017 at 2:56 PM, Bob Harold <rharo...@umich.edu
> <mailto:rharo...@umich.edu>> wrote:
>
>
> On Fri, May 26, 2017 at 11:38 AM, Mark Haney
> <mark.ha...@neonova.net <mailto:mark.ha...@neonova.net>> wrote:
>
> We've got a custom log entry created that's based on
> whether the agent.circuit-id exists. The problem is that
> the circuit-id gets included in DHCPDISCOVER and
> DHCPOFFER, so we're getting duplicate custom messages logged.
>
> What we want to do it create this custom log file, with
> the circuit-id only on the DHCPACK. The log creation
> params are below. We use this so that customers can get a
> web interface view of the current leases.
>
> Is there a way to do this with the latest CentOS 6 dhcpd
> package?
>
> ----
> if exists agent.circuit-id
> {
> log (info, concat( "DHCPUSER:,", concat (suffix
> (concat ("0", binary-to-ascii (16, 8, "", substring(
> hardware, 1, 1))),2), ":", suffix (concat ("0",
> binary-to-ascii (16, 8, "",substring( hardware, 2,
> 1))),2), ":", suffix (concat ("0", binary-to-ascii(16, 8,
> "", substring( hardware, 3, 1))),2), ":", suffix (concat
> ("0", binary-to-ascii (16, 8, "", substring( hardware, 4,
> 1))),2),":", suffix (concat ("0", binary-to-ascii (16, 8,
> "", substring( hardware, 5, 1))),2), ":", suffix (concat
> ("0", binary-to-ascii (16, 8, "", substring( hardware, 6,
> 1))),2)), ",IP:,", binary-to-ascii (10, 8, ".",
> leased-address), ",CID:,", option agent.circuit-id));
> }
>
>
> --
> photo
> Mark Haney
> Network Engineer at NeoNova
>
> 919-460-3330 <tel:%28919%29%20460-3330> (opt 1) ?
> mark.ha...@neonova.net <http://m...@neonova.net/>
> www.neonova.net <https://neonova.net/>
> <https://www.facebook.com/NeoNovaNNS/>
> <https://twitter.com/NeoNova_NNS>
> <http://www.linkedin.com/company/neonova-network-services>
>
>
>
> Try wrapping that with:
> on commit {
> ...
> }
>
> Then it should only happen once, when the lease is granted.
>
> --
> Bob Harold
>
> _______________________________________________
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> https://lists.isc.org/mailman/listinfo/dhcp-users
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>
>
>
>
> --
> photo
> Mark Haney
> Network Engineer at NeoNova
>
> 919-460-3330 <tel:%28919%29%20460-3330> (opt 1) ?
> mark.ha...@neonova.net <mailto:mark.ha...@neonova.net>
> www.neonova.net <https://neonova.net/>
> <https://www.facebook.com/NeoNovaNNS/>
> <https://twitter.com/NeoNova_NNS>
> <http://www.linkedin.com/company/neonova-network-services>
>
>
>
>
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