[syslog-ng] Issues with sql driver

Péter, Kókai peter.kokai at oneidentity.com
Wed Jan 16 06:18:17 UTC 2019


Hello,

Please do that :) I was not on board of the project at version 3.5

Well a macro itself also a template, a template somewhat more generic as
that include string literals, template functions and of course macros, and
those combination.

In order to cut the date part; there was just recently a nice patch that
did similar thing for websense-parser:
https://github.com/balabit/syslog-ng/pull/2471/commits/a725a578b06459e96a3bc85812e12a71d3f0a3b4

Also for example the cisco-parser has tricks you can learn from:
https://github.com/balabit/syslog-ng/blob/master/scl/cisco/plugin.conf


--
Kokan

On Tue, Jan 15, 2019 at 8:16 PM N. Max Pierson <nmaxpierson at gmail.com>
wrote:

> Thanks for the reply.
>
> I am using version 3.5, so I am reading the admin guide for 3.5 now to see
> if I have something configured that isn't available in this version.
>
> As far as the template, I thought the ${R_DATE} was a macro. Maybe I am
> misunderstanding then. What I need is to take a part of the log that comes
> in and remove it. Here is a sample of the message I have below. What is the
> best way to remove the date portion that isn't part of the standard syslog
> message ( the part delimited by ***).
>
> Jan 15 13:12:35 10.251.11.241 ***2019 Jan 15 13:12:35 CST:***
> %DAEMON-3-SYSTEM_MSG: NTP Receive dropping message: Received NTP control
> mode packet. Drop count:147908  - ntpd[15029]
>
> Regards,
> Max
>
> On Tue, Jan 15, 2019 at 12:03 AM Péter, Kókai <peter.kokai at oneidentity.com>
> wrote:
>
>> Hello,
>>
>> As the *--syntax-only* suggest, it only does check for syntactic errors.
>> A common way to find such issues to start the process in foreground:
>> * stop syslog-ng systemd service (so it won't get in the way)
>> * start syslog-ng as the systemd would do, plus include the -F
>> (foreground) option and -e (print internal logs to the stderr); optionally
>> you may also use -d (debug) -v (verbose); but in this case probably the -Fe
>> would suffice
>>
>> I just tried your config (with additional @version: 3.18), and it started
>> just fine.
>>
>> About the second part. You already using template in your configuration
>> for the date column ( ${R_DATE} ); in the values you should be able to use
>> any template (not template function due).
>>
>> --
>> Kokan
>>
>> On Mon, Jan 14, 2019 at 10:54 PM N. Max Pierson <nmaxpierson at gmail.com>
>> wrote:
>>
>>> Hi List,
>>>
>>> I have 2 questions about the sql driver. First, I am trying to get
>>> messages into sql using the sql driver but I get an error when I try and
>>> restart syslog-ng when I enable the log statement with the sql destination.
>>> The syslog-ng --syntax-only command runs without any issues but systemd
>>> throws and error that it cannot restart the service but doesn't give a
>>> clear reason. My config is below, doesn't anyone know where in a log I can
>>> see why it won't restart??
>>>
>>> source s_network { udp(ip(0.0.0.0) port(514)); };
>>>
>>> destination d_mysql {
>>>     sql(type(mysql)
>>>     host("127.0.0.1")
>>>     username("syslog-ng")
>>>     password("password")
>>>     database("syslog")
>>>     table("messages_${HOST}")
>>>     columns("date", "host", "message")
>>>     values("${R_DATE}", "${HOST}", "${MESSAGE}")
>>>     indexes("date", "host") );
>>> };
>>>
>>> log { source(s_network); destination(d_mysql); };
>>>
>>>
>>> My second question is can you use a template with the sql destination
>>> driver? I need to reformat some Cisco Nexus logs because of how it formats
>>> the date (looks to be non RFC compliant) and if so, can someone give me a
>>> sample of config with the template in the sql destination driver? I cannot
>>> seem to find in the docs if this is even possible much less and example of
>>> how to do it.
>>>
>>> TIA,
>>> Max
>>>
>>> ______________________________________________________________________________
>>> Member info: https://lists.balabit.hu/mailman/listinfo/syslog-ng
>>> Documentation:
>>> http://www.balabit.com/support/documentation/?product=syslog-ng
>>> FAQ: http://www.balabit.com/wiki/syslog-ng-faq
>>>
>>>
>> ______________________________________________________________________________
>> Member info: https://lists.balabit.hu/mailman/listinfo/syslog-ng
>> Documentation:
>> http://www.balabit.com/support/documentation/?product=syslog-ng
>> FAQ: http://www.balabit.com/wiki/syslog-ng-faq
>>
>>
> ______________________________________________________________________________
> Member info: https://lists.balabit.hu/mailman/listinfo/syslog-ng
> Documentation:
> http://www.balabit.com/support/documentation/?product=syslog-ng
> FAQ: http://www.balabit.com/wiki/syslog-ng-faq
>
>
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