haproxy log file regex for fluentd. This actually seems to work, unlike the one in the fluent docs. Reads the full HTTP log file format. It'll also catch all other haproxy logs, but only as one big string.

gistfile1.pl

^(?<syslog_time>[^ ]* +[^ ]* +[^ ]*) (?<syslog_host>[\w-\.]+) (?<ps>\w+)\[(?<pid>\d+)\]: ((?<c_ip>[\w\.]+):(?<c_port>\d+) \[(?<time>.+)\] (?<f_end>[\w\~-]+) (?<b_end>[\w-]+)\/(?<b_server>[\w\.-]+) (?<tq>\d+)\/(?<tw>\d+)\/(?<tc>\d+)\/(?<tr>\d+)\/(?<tt>\d+) (?<status_code>\d+) (?<bytes>\d+) (?<req_cookie>\S?) (?<res_cookie>\S?) (?<t_state>[\w-]+) (?<actconn>\d+)\/(?<feconn>\d+)\/(?<beconn>\d+)\/(?<srv_conn>\d+)\/(?<retries>\d+) (?<srv_queue>\d+)\/(?<backend_queue>\d+) \{?(?<req_headers>[^}]*)\}? ?\{?(?<res_headers>[^}]*)\}? ?"(?<request>[^"]*)"|(?<message>.+))

Very good. Thank you.
Excuse me for late response.