11-04-2008
Grep yesterday logs from weblogic logs
Hi,
I am trying to write a script which would go search and get the info from the logs based on yesterday timestamp and write yesterday logs in new file. The log file format is as follows:
""""""""""""""""""""""""""
ontent&paf_ps=_st_800005%3Dnormal%26_ac_800005%3Dac%26_pid%3D800005%26_md_800005%3Dview&prefixBoUrl=/WinVision/action/readMessageFromSearch.do&expanded-path=messages&idMessage=2740"
**** debug Tue Nov 04 11:09:02 MET 2008 1225793342478 /atosorigin/api12portlet/API12ProxyProvider url found : /WinVision/webvision-views/images/star.gif"
**** debug Tue Nov 04 11:09:02 MET 2008 1225793342479 /atosorigin/api12portlet/API12ProxyProvider url Ignored
**** debug Tue Nov 04 11:09:02 MET 2008 1225793342479 /atosorigin/api12portlet/API12ProxyProvider url found : /WinVision/webvision-views/images/star.gif"
**** debug Tue Nov 04 11:09:02 MET 2008 1225793342479 /atosorigin/api12portlet/API12ProxyProvider url Ignored
**** debug Tue Nov 04 11:09:02 MET 2008 1225793342479 /atosorigin/api12portlet/API12ProxyProvider url found : /WinVision/webvision-views/images/star.gif"
**** debug Tue Nov 04 11:09:02 MET 2008 1225793342479 /atosorigin/api12portlet/API12ProxyProvider url Ignored
**** debug Tue Nov 04 11:09:02 MET 2008 1225793342479 /atosorigin/api12portlet/API12ProxyProvider url found : /WinVision/webvision-views/images/star.gif"
**** debug Tue Nov 04 11:09:02 MET 2008 1225793342480 /atosorigin/api12portlet/API12ProxyProvider url Ignored
**** debug Tue Nov 04 11:09:02 MET 2008 1225793342480 /atosorigin/api12portlet/API12ProxyProvider url found : /WinVision/action/readMessageFromSearch.do?expanded-path=messages&idMessage=2740"
**** debug Tue Nov 04 11:09:02 MET 2008 1225793342481 /atosorigin/api12portlet/API12ProxyProvider modified url : /winportal/MSS/home?paf_portalId=default&paf_communityId=100001&paf_pageId=400001&paf_dm=shared&paf_gear_id=800005& paf_gm=content&paf_ps=_st_800005%3Dnormal%26_ac_800005%3Dac%26_pid%3D800005%26_md_800005%3Dview&pref ixBoUrl=/WinVision/action/readMessageFromSearch.do&expanded-path=messages&idMessage=2740"
**** debug Tue Nov 04 11:09:02 MET 2008 1225793342482 /atosorigin/api12portlet/API12ProxyProvider Function modifyContentUrls - End
**** info Tue Nov 04 11:09:02 MET 2008 1225793342482 /atosorigin/api12portlet/portletClass set Portlet HTML content in request for display
**** debug Tue Nov 04 11:09:02 MET 2008 1225793342482 /atosorigin/api12portlet/portletClass page Help url (sent to droplet) : /null
**** debug Tue Nov 04 11:09:02 MET 2008 1225793342482 /atosorigin/api12portlet/portletClass Lancement du dispatcher sur /index.jsp
"""""""""""""""""""""""""""""""""""""""""""""""""
The timestamp format in the logs is as follows "Tue Nov 04 11:09:44 MET 2008"
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LEARN ABOUT DEBIAN
perlbal::manual::logging
Perlbal::Manual::Logging(3pm) User Contributed Perl Documentation Perlbal::Manual::Logging(3pm)
NAME
Perlbal::Manual::Logging - How Perlbal's logging system works
VERSION
Perlbal 1.78.
DESCRIPTION
Perlbal supports logging of a few messages (and you can log your messages in your plugins, for instance).
This document describes how to achieve that.
IMPORTANT: foreground vs. background
If Perlbal is running on the foreground, it logs by calling "printf", which means you should get the logs on "STDOUT".
If Perlbal is running on the background, it logs through Sys::Syslog. If Sys::Syslog is not available, there will be no logging, and THAT'S
THE MOST IMPORTANT THING TO KNOW ABOUT PERLBAL'S LOGGING SYSTEM.
How to log a message
You can log a message by calling "Perlbal::log" as you'd call Sys::Syslog's "syslog":
Perlbal::log( $priority, $format, @args );
You should read the documentation for Sys::Syslog for more information, but here's an example:
Perlbal::log( 'info', 'beginning run' );
And here's another example:
Perlbal::log( 'crit', "this thing crashed: $!" );
What is logged?
o When we try to read from or write to a filehandle that is undefined, Perlbal::AIO logs a critical message:
Perlbal::log("crit", "Undef $fh: $stack_trace");
o When failing to create a socket, Perlbal::BackendHTTP logs a critical message:
Perlbal::log('crit', "Error creating socket: $!");
o When "inet_aton" fails to create a socket, Perlbal::BackendHTTP logs a critical message:
Perlbal::log('crit', "inet_aton failed creating socket for $ip");
o When writing to a client, if we try to read more than we should from the backend, Perlbal::ClientHTTPBase logs a warning message:
Perlbal::log('warning', "tried to readahead negative bytes. filesize=$self->{reproxy_file_size}, offset=$self->{reproxy_file_offset}");
o When opening a file being PUT for writing to disk, if there's an error (which is going to originate a 500 server error),
Perlbal::ClientHTTPBase logs a warning message:
Perlbal::log('warning', "system error: $msg ($info)");
o If we receive a request with a content length different from the actual length of the request, Perlbal::ClientProxy logs a critical
message:
Perlbal::log('crit', "Content length of $clen declared but $self->{buoutpos} bytes written to disk");
o When trying to buffer data to disk, if the operation fails Perlbal::ClientProxy logs a critical message:
Perlbal::log('crit', "Failure to open $fn for buffered upload output");
o After buffering data to disk, if the file is empty, Perlbal::ClientProxy logs a critical message:
Perlbal::log('crit', "Error writing buffered upload: $!. Tried to do $len bytes at $self->{buoutpos}.");
o When purging a buffered upload on the disk, if an error occurs, Perlbal::ClientProxy logs a critical message:
Perlbal::log('warning', "Unable to link $self->{bufilename}: $!");
o When marking a backend as pending, if there's already another one in that ip/port, Perlbal::Service will log a couple of warning
messages:
Perlbal::log('warning', "Warning: attempting to spawn backend connection that already existed.");
Perlbal::log('warning', " -- [$filename:$line] $package::$subroutine");
o When deciding whether we should spawn one or more backend connections, if the total of pending conections is negative, Perlbal::Service
will log a critical message:
Perlbal::log('crit', "Bogus: service $self->{name} has pending connect count of $self->{pending_connect_count}?! Resetting.");
o When spawning a backend connection, if there is no IP address for the backend, Perlbal::Service will log a critical message:
Perlbal::log('crit', "No backend IP for service $self->{name}");
o When starting, Perlbal will log an info message:
Perlbal::log('info', 'beginning run');
o When shutting down, Perlbal will log an info message:
Perlbal::log('info', 'ending run');
o After each loop, is some error occurred, Perlbal will log a critical message:
Perlbal::log('crit', "crash log: $_") foreach split(/
?
/, $@);
o When attempting to create the pidfile, if unsuccessful, Perlbal will log an info message:
Perlbal::log('info', "couldn't create pidfile '$file': $!" );
o When attempting to write to the pidfile, if unsuccessful, Perlbal will log an info message:
Perlbal::log('info', "couldn't write into pidfile '$file': $!" );
Generating more logs by sending a USR1 signal to perlbal
If you send a USR1 signal to perlbal, that tells it to log some basic statistics to the syslog.
It's similar to connecting to a management service and issue a "show service" for each service, plus a "states" and a "queues" commands.
Where is it logged to?
The way Perlbal opens Sys::Syslog, it logs to /var/log/daemon.log by default.
SEE ALSO
You can tweek Sys::Syslog's configuration under /etc/syslog.conf. See Sys::Syslog for more details.
perl v5.14.2 2012-03-23 Perlbal::Manual::Logging(3pm)