rsyslog

The rocket-fast system for log processing

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PostgreSQL Database Output Module (ompgsql)

Module Name: ompgsql
Author: Rainer Gerhards and Dan Molik
Available: 8.32+

Purpose

This module provides native support for logging to PostgreSQL databases. It’s an alternative (with potentially superior performance) to the more generic omlibdbi module.

Configuration Parameters

Note

Parameter names are case-insensitive.

Action Parameters

Server

type default mandatory obsolete legacy directive
word none yes none

The hostname or address of the PostgreSQL server.

Port/Serverport

type default mandatory obsolete legacy directive
integer 5432 no none

The IP port of the PostgreSQL server.

db

type default mandatory obsolete legacy directive
word none yes none

The multi-tenant database name to INSERT rows into.

User/UID

type default mandatory obsolete legacy directive
word postgres no none

The username to connect to the PostgreSQL server with.

Pass/PWD

type default mandatory obsolete legacy directive
word postgres no none

The password to connect to the PostgreSQL server with.

Template

type default mandatory obsolete legacy directive
word none no none

The template name to use to INSERT rows into the database with. Valid SQL syntax is required, as the module does not perform any insertion statement checking.

Examples

Example 1

A Basic Example using the internal PostgreSQL template.

# load module
module(load="ompgsql")

action(type="ompgsql" server="localhost"
       user="rsyslog" pass="test1234"
       db="syslog")

Example 2

A Templated example.

template(name="sql-syslog" type="list" option.sql="on") {
  constant(value="INSERT INTO SystemEvents (message, timereported) values ('")
  property(name="msg")
  constant(value="','")
  property(name="timereported" dateformat="pgsql" date.inUTC="on")
  constant(value="')")
}

# load module
module(load="ompgsql")

action(type="ompgsql" server="localhost"
       user="rsyslog" pass="test1234"
       db="syslog"
       template="sql-syslog" )

Example 3

An action queue and templated example.

template(name="sql-syslog" type="list" option.sql="on") {
  constant(value="INSERT INTO SystemEvents (message, timereported) values ('")
  property(name="msg")
  constant(value="','")
  property(name="timereported" dateformat="pgsql" date.inUTC="on")
  constant(value="')")
}

# load module
module(load="ompgsql")

action(type="ompgsql" server="localhost"
       user="rsyslog" pass="test1234"
       db="syslog"
       template="sql-syslog"
       queue.size="10000" queue.type="linkedList"
       queue.workerthreads="5"
       queue.workerthreadMinimumMessages="500"
       queue.timeoutWorkerthreadShutdown="1000"
       queue.timeoutEnqueue="10000")

Building

To compile Rsyslog with PostgreSQL support you will need to:

  • install libpq and libpq-dev packages, check your package manager for the correct name.
  • set –enable-pgsql switch on configure.

See also

Help with configuring/using Rsyslog:

  • Mailing list - best route for general questions
  • GitHub: rsyslog source project - detailed questions, reporting issues that are believed to be bugs with Rsyslog
  • Stack Exchange (View, Ask) - experimental support from rsyslog community

See also

Contributing to Rsyslog:

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