syslog-ng.conf

@version:3.4

options { chain_hostnames(off); flush_lines(0); threaded(no); };

parser pattern_db {
            db_parser(
                file("/home/ale/httpd.xml")
            );
};
source httpd_error_log { file("/home/ale/logs/all.log" program_override("httpd") flags(no-parse) ); };

#source src_local { unix-dgram("/dev/log"); file("/proc/kmsg" program-override("kernel") flags(kernel)); };

destination d_json {
  file("/var/log/messages.json" template("$(format_json --scope nv-pairs --exclude MSG)") );
};

log { source(src_local); destination(d_json); };