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This patch solves the problem reported in github issue #1204, where the OpenTracing filter cannot communicate with the selected tracer if HAProxy is run in daemon mode. This commit also solves github issue #1274, where the problem manifests itself when using the 'chroot' keyword in the HAProxy configuration. This is solved so that the initialization of the OpenTracing plugin is split into two operations, first the plugin (dynamic library) is loaded before switching the HAProxy to daemon mode (or chroot) and then the tracer thread is started. This means that nothing is retrieved from the file system in runtime. After applying this commit, opentracing C wrapper version 1.1.0 should be used because the earlier version does not have separated initialization functions. This resolves GitHub issues #1204 and #1274.
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)