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76acde9107
This bug was introduced with 969e212 ("MINOR: log: add dup_logsrv() helper
function")
When duplicating an existing log entry, we must take care to inherit from
its original ->ref if it is set, because not doing so would make 28ac0999
("MINOR: log: Keep the ref when a log server is copied to avoid duplicate entries")
ineffective given that global log directives will lose their original
reference when duplicated resursively (at least twice), which is what
happens when global log directives are first inherited to defaults which
are then inherited to a regular proxy at the end of the chain.
This can be easily reproduced using the following configuration:
|global
| log stdout format raw local0
|
|defaults
| log global
|
|frontend test
| log global
| ...
Logs from "test" proxy will be duplicated because test incorrectly
inherited from global "log" directives twice, which 28ac0999 would
normally detect and prevent.
No backport needed unless 969e212 gets backported.
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)