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logging: Allow logger to use STDERR #1457

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Nov 26, 2019
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logging: Allow logger to use STDERR #1457

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6 changes: 5 additions & 1 deletion src/libaktualizr/logging/default_log_sink.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,11 @@ static void color_fmt(boost::log::record_view const& rec, boost::log::formatting
}

void logger_init_sink(bool use_colors = false) {
auto sink = boost::log::add_console_log(std::cout, boost::log::keywords::format = "%Message%",
auto stream = &std::cerr;
if (getenv("LOG_STDERR") == nullptr) {
stream = &std::cout;
}
auto sink = boost::log::add_console_log(*stream, boost::log::keywords::format = "%Message%",
boost::log::keywords::auto_flush = true);
if (use_colors) {
sink->set_formatter(&color_fmt);
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