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Log forwarding:
It is possible to declare one or multiple log forwarding section,
haproxy will forward all received log messages to a log servers list.
log-forward <name>
Creates a new log forwarder proxy identified as <name>.
bind <addr> [param*]
Used to configure a log udp listener to receive messages to forward.
Only udp listeners are allowed, address must be prefixed using
'udp@', 'udp4@' or 'udp6@'. This supports for all "bind" parameters
found in 5.1 paragraph but most of them are irrelevant for udp/syslog case.
log global
log <address> [len <length>] [format <format>] [sample <ranges>:<smp_size>]
<facility> [<level> [<minlevel>]]
Used to configure target log servers. See more details on proxies
documentation.
If no format specified, haproxy tries to keep the incoming log format.
Configured facility is ignored, except if incoming message does not
present a facility but one is mandatory on the outgoing format.
If there is no timestamp available in the input format, but the field
exists in output format, haproxy will use the local date.
Example:
global
log stderr format iso local7
ring myring
description "My local buffer"
format rfc5424
maxlen 1200
size 32764
timeout connect 5s
timeout server 10s
# syslog tcp server
server mysyslogsrv 127.0.0.1:514 log-proto octet-count
log-forward sylog-loadb
bind udp4@127.0.0.1:1514
# all messages on stderr
log global
# all messages on local tcp syslog server
log ring@myring local0
# load balance messages on 4 udp syslog servers
log 127.0.0.1:10001 sample 1:4 local0
log 127.0.0.1:10002 sample 2:4 local0
log 127.0.0.1:10003 sample 3:4 local0
log 127.0.0.1:10004 sample 4:4 local0
The HAProxy documentation has been split into a number of different files for ease of use. Please refer to the following files depending on what you're looking for : - INSTALL for instructions on how to build and install HAProxy - BRANCHES to understand the project's life cycle and what version to use - LICENSE for the project's license - CONTRIBUTING for the process to follow to submit contributions The more detailed documentation is located into the doc/ directory : - doc/intro.txt for a quick introduction on HAProxy - doc/configuration.txt for the configuration's reference manual - doc/lua.txt for the Lua's reference manual - doc/SPOE.txt for how to use the SPOE engine - doc/network-namespaces.txt for how to use network namespaces under Linux - doc/management.txt for the management guide - doc/regression-testing.txt for how to use the regression testing suite - doc/peers.txt for the peers protocol reference - doc/coding-style.txt for how to adopt HAProxy's coding style - doc/internals for developer-specific documentation (not all up to date)