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Full Discussion: Syslog Message Columns
Top Forums UNIX for Dummies Questions & Answers Syslog Message Columns Post 302465247 by wthomas on Friday 22nd of October 2010 02:58:37 AM
Old 10-22-2010
Syslog Message Columns

Hi all,

I need your help with syslog columns.
Currently I have a script as follows: (extract)
Code:
for messages in `cat syslog_message_list.txt`; \
do \
grep $messages syslog.`date +%d%m%y`.log | \
tr -s " " | \
cut -d" " -f4,9- | \
sort -k3.2,3 -k2,2 -k1nr,1 | \
uniq -c | \
sort -k3.2,3 -k2,2 -k1nr,1 >> syslog.`date +%d%m%y`.report; \
done

A typical syslog message would be as follows:

Oct 22 07:35:14 hajsw202-0202.nls.jlrint.com 21453: Oct 22 06:35:14: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/19, changed state to down

The above Cut command is cutting fields 4 and 9 onwards, which would be the long hostname and error type and it's message content.
However, as I've recently added a few more message types for the script to extract;
i.e.
Oct 21 15:00:49 covlsw01.nls.jlrint.com 2010 Oct 21 14:00:49 GMT +00:00 %SECURITY-1-PORTSHUTDOWN:Port 7/28 shutdown due to security violation

This new message has different field arrangements, where field 9 begins "GMT" rather than %SECURITY-1-PORTSHUTDOWN.

How can I update the script to say; if the message type is %SECURITY-1-PORTSHUTDOWN do, cut field 11 onwards instead of field 9 as at present?

Regards, Wynford



---------- Post updated at 07:58 AM ---------- Previous update was at 07:50 AM ----------




Hi all,

I've just thought that it may be better if I simply get the script to extract from the "%" character, as all of the messages begins with the "%" character when displaying the message type. So if I just cut from the "%" character then this should do it.
The question is. how do I cut or extract just field 4 and the "%" character onwards?

Regards, Wynford

Last edited by vbe; 10-22-2010 at 05:59 AM.. Reason: code tags please
 

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Courier::Filter::Logger::Syslog(3pm)			User Contributed Perl Documentation		      Courier::Filter::Logger::Syslog(3pm)

NAME
Courier::Filter::Logger::Syslog - Syslog logger for the Courier::Filter framework SYNOPSIS
use Courier::Filter::Logger::Syslog; my $logger = Courier::Filter::Logger::Syslog->new(); # For use in an individual filter module: my $module = Courier::Filter::Module::My->new( ... logger => $logger, ... ); # For use as a global Courier::Filter logger object: my $filter = Courier::Filter->new( ... logger => $logger, ... ); DESCRIPTION
This class is a syslog logger class for use with Courier::Filter and its filter modules. It is derived from Courier::Filter::Logger::IOHandle. Constructor The following constructor is provided: new: returns Courier::Filter::Logger::Syslog; throws Courier::Error Creates a new logger that logs messages to syslog. Instance methods The following instance methods are provided, as inherited from Courier::Filter::Logger::IOHandle: log_error($text): throws Perl exceptions Logs the error message given as $text (a string which may contain newlines). log_rejected_message($message, $reason): throws Perl exceptions Logs the Courier::Message given as $message as having been rejected due to $reason (a string which may contain newlines). SEE ALSO
Courier::Filter::Logger::IOHandle, Courier::Filter::Logger, Courier::Filter::Overview. For AVAILABILITY, SUPPORT, and LICENSE information, see Courier::Filter::Overview. AUTHOR
Julian Mehnle <julian@mehnle.net> perl v5.14.2 2011-12-27 Courier::Filter::Logger::Syslog(3pm)
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