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<title>MySQL Database Output Module</title>
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<h1>MySQL Database Output Module</h1>
<p><b>Module Name: ommysql</b></p>
<p><b>Author: </b>Michael Meckelein (Initial Author) / Rainer Gerhards
<rgerhards@adiscon.com></p>
<p><b>Description</b>:</p>
<p>This module provides native support for logging to MySQL databases. It offers
superior performance over the more generic <a href="omlibdbi.html">omlibdbi</a> module.
</p>
<p><b>Configuration Directives</b>:</p>
<p>ommysql mostly uses the "old style" configuration, with almost everything on the
action line itself. A few newer features are being migrated to the new style-config
directive configuration system.
<ul>
<li><b>$ActionOmmysqlServerPort <port></b><br>Permits to select
a non-standard port for the MySQL server. The default is 0, which means the
system default port is used. There is no need to specify this directive unless
you know the server is running on a non-standard listen port.
<li><b>$OmMySQLConfigFile <file name></b><br>Permits the selection
of an optional MySQL Client Library configuration file (my.cnf) for extended
configuration functionality. The use of this configuration directive is necessary
only if you have a non-standard environment or if fine-grained control over the
database connection is desired.</li>
<li><b>$OmMySQLConfigSection <string></b><br>Permits the selection of the
section within the configuration file specified by the <b>$OmMySQLConfigFile</b> directive.
<br>This will likely only be used where the database administrator provides a single
configuration file with multiple profiles.
<br>This configuration directive is ignored unless <b>$OmMySQLConfigFile</b> is also used
in the rsyslog configration file.
<br>If omitted, the MySQL Client Library default of "client" will be used.</li>
<li>Action parameters:
<br><b>:ommysql:database-server,database-name,database-userid,database-password</b>
<br>All parameters should be filled in for a successful connect.
</ul>
<p>Note rsyslog contains a canned default template to write to the MySQL
database. It works on the MonitorWare schema. This template is:
<p>
<textarea rows="5" cols="80">$template tpl,"insert into SystemEvents (Message, Facility, FromHost, Priority, DeviceReportedTime, ReceivedAt, InfoUnitID, SysLogTag) values ('%msg%', %syslogfacility%, '%HOSTNAME%', %syslogpriority%, '%timereported:::date-mysql%', '%timegenerated:::date-mysql%', %iut%, '%syslogtag%')",SQL
</textarea>
<p>As you can see, the template is an actual SQL statement. Note the ",SQL" option: it tells the
template processor that the template is used for SQL processing, thus quote characters are quoted
to prevent security issues. You can not assign a template without ",SQL" to a MySQL output action.
<p>If you would like to change fields contents or add or delete your own fields, you
can simply do so by modifying the schema (if required) and creating your own custom
template.
<p><b>Sample:</b></p>
<p>The following sample writes all syslog messages to the
database "syslog_db" on mysqlsever.example.com. The server is
being accessed under the account of "user" with password "pwd".
</p>
<textarea rows="5" cols="80">$ModLoad ommysql
$ActionOmmysqlServerPort 1234 # use non-standard port
*.* :ommysql:mysqlserver.example.com,syslog_db,user,pwd
</textarea>
<p>[<a href="rsyslog_conf.html">rsyslog.conf overview</a>]
[<a href="manual.html">manual index</a>] [<a href="http://www.rsyslog.com/">rsyslog site</a>]</p>
<p><font size="2">This documentation is part of the
<a href="http://www.rsyslog.com/">rsyslog</a>
project.<br>
Copyright © 2008, 2009 by <a href="http://www.gerhards.net/rainer">Rainer Gerhards</a> and
<a href="http://www.adiscon.com/">Adiscon</a>.
Released under the GNU GPL version 3 or higher.</font></p>
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