[syslog-ng] Regex Solaris from Linux hosts in Syslog-ng config file
vijay amruth
vijayamruth at gmail.com
Mon Nov 2 23:18:03 CET 2015
@Evan, Right now we are just adding the hosts manually to the syslog file
if there is way by which I don't need to add the hosts manually to the file.
~Vijay
On Thu, Oct 29, 2015 at 5:54 PM, Evan Rempel <erempel at uvic.ca> wrote:
> Before I get too deep into how this is done, can I ask why you want to
> separate your logs for solaris and linux?
>
>
>
> On 10/29/2015 01:06 PM, vijay amruth wrote:
>
> Thank you Evan.
>
> Right now, we add a solaris server everytime we spin one,
>
> its like this,
>
> filter f_solaris {
> host('x.x.x.x') or host('x.x.x.2') or
> host('x.x.x.3') or host('x.x.x.4') or
> host('hostname1) or (hostname2)
> }
>
> So everytime we spin a server we just go and add it manually to the config
> file, either with its host name or the ip.
> I want to be able to automate with filter functions and or regex so that I
> don't have to add manually to the config file on the server everytime.
> There is a similar config for linux hosts too
>
> Hope I am clear. Appreciate you taking your time out for this.
>
> ~Vj
>
>
>
> On Thu, Oct 29, 2015 at 12:51 PM, Evan Rempel <erempel at uvic.ca> wrote:
>
>> The syslog server has to listen on the ipaddress:port combination.
>> The solaris hosts need to syslog to the new ipaddress:port combination.
>>
>> Since I don't know how you are processing your log lines in your
>> syslog-ng configuration it is difficult to provide a lot of guidance, but
>> here are a couple of examples.
>>
>> ---- option #1
>> Using a completely different source. - you must fill in the IP addresses
>> and port numbers
>>
>> source s_regular_syslog {
>> tcp(localip(regularIP) port(regularPort) max_connections(5000)
>> log_fetch_limit(20000) log_iw_size(1000000) tags("regular_syslog") );
>> };
>>
>> source s_solaris_syslog {
>> tcp(localip(solarisIP) port(solarisPort) max_connections(5000)
>> log_fetch_limit(20000) log_iw_size(1000000) tags("solaris_syslog") );
>> };
>>
>>
>> log { source(s_regular_syslog); destination(d_regular_destination); };
>> log { source(s_solaris_syslog); destination(d_solaris_syslog); };
>>
>>
>> ---- option #2
>> Using a tagged source. - you must fill in the IP addresses and port
>> numbers
>>
>> source s_all_syslog {
>> tcp(localip(regularIP) port(regularPort) max_connections(5000)
>> log_fetch_limit(20000) log_iw_size(1000000) tags("regular_syslog") );
>> tcp(localip(solarisIP) port(solarisPort) max_connections(5000)
>> log_fetch_limit(20000) log_iw_size(1000000) tags("solaris_syslog") );
>> };
>>
>> filter f_solaris { tags("solaris_syslog"); };
>>
>> log {
>> source(s_all_syslog)
>> log { filter(f_solaris); destination(d_solaris_syslog); flags(final);
>> };
>> log { destination(d_regular_destination); };
>> };
>>
>>
>>
>> I hope that gives you the basics of what is needed.
>>
>>
>> On 10/29/2015 12:41 PM, vijay amruth wrote:
>>
>> Thank you Evan, great idea!
>> Can we achieve this with regex on syslog-ng.conf file on the server side?
>>
>> Thank you,
>> ~Vj
>>
>> On Thu, Oct 29, 2015 at 12:25 PM, Evan Rempel < <erempel at uvic.ca>
>> erempel at uvic.ca> wrote:
>>
>>> You could use a second interface on the syslog servers and configure the
>>> solaris servers to use this alternate IP address.
>>> You could also use a different port.
>>> Then you could tag the source with "solaris" and then use the tag
>>> filtering to separate those message out of the mix.
>>>
>>> Just my $0.02
>>>
>>>
>>> On 10/29/2015 12:22 PM, vijay amruth wrote:
>>>
>>> Thank you fo rthe reply Balazs.
>>>
>>> Can we use filter functions like this below ?
>>>
>>> filter f_solaris {
>>> host('uname == solaris') }
>>>
>>> My idea is to identify solaris servers.
>>>
>>> Thanks all,
>>> ~Vj
>>>
>>> On Thu, Oct 29, 2015 at 12:59 AM, Balazs Scheidler < <bazsi77 at gmail.com>
>>> bazsi77 at gmail.com> wrote:
>>>
>>>> Well, probably the only sensible way is to filter based on IP addresses.
>>>> On Oct 29, 2015 6:09 AM, "vijay amruth" < <vijayamruth at gmail.com>
>>>> vijayamruth at gmail.com> wrote:
>>>>
>>>>> Hello All,
>>>>>
>>>>> We are drawing logs from several hosts which include solaris(10,11) ,
>>>>> linux (centos, ubuntu, rhel) into syslog servers, I want to be able to
>>>>> separate solaris logs, is there any pattern we can match for solaris logs
>>>>> that you may know ?
>>>>>
>>>>> Thanks,
>>>>> Vijay Amrut.
>>>>>
>>>>>
>>>>> ______________________________________________________________________________
>>>>> Member info: <https://lists.balabit.hu/mailman/listinfo/syslog-ng>
>>>>> https://lists.balabit.hu/mailman/listinfo/syslog-ng
>>>>> Documentation:
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>>>>> http://www.balabit.com/support/documentation/?product=syslog-ng
>>>>> FAQ: <http://www.balabit.com/wiki/syslog-ng-faq>
>>>>> http://www.balabit.com/wiki/syslog-ng-faq
>>>>>
>>>>>
>>>>>
>>>>
>>>> ______________________________________________________________________________
>>>> Member info: <https://lists.balabit.hu/mailman/listinfo/syslog-ng>
>>>> https://lists.balabit.hu/mailman/listinfo/syslog-ng
>>>> Documentation:
>>>> <http://www.balabit.com/support/documentation/?product=syslog-ng>
>>>> http://www.balabit.com/support/documentation/?product=syslog-ng
>>>> FAQ: http://www.balabit.com/wiki/syslog-ng-faq
>>>>
>>>>
>>>>
>>>
>>>
>>> --
>>> Thanks,
>>> Vijay Amrut.
>>>
>>>
>>>
>>>
>>> ______________________________________________________________________________
>>> 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
>>>
>>>
>>>
>>
>>
>> --
>> Thanks,
>> Vijay Amrut.
>>
>>
>> ______________________________________________________________________________
>> 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
>>
>>
>>
>> --
>> Evan Rempel erempel at uvic.ca
>> Senior Systems Administrator 250.721.7691
>> Data Centre Services, University Systems, University of Victoria
>>
>>
>>
>> ______________________________________________________________________________
>> 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
>>
>>
>>
>
>
> --
> Thanks,
> Vijay Amrut.
>
>
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>
>
>
>
> ______________________________________________________________________________
> 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
>
>
>
--
Thanks,
Vijay Amrut.
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