Syslog-NG Exporter for Prometheus

Exports syslog-ng statistics via HTTP for Prometheus consumption.

Help on flags:

  --help                        Show context-sensitive help (also try --help-long and --help-man).
  --version                     Print version information.
  --telemetry.address=":9577"   Address on which to expose metrics.
  --telemetry.endpoint="/metrics"
                                Path under which to expose metrics.
  --socket.path="/var/lib/syslog-ng/syslog-ng.ctl"
                                Path to syslog-ng control socket.
  --log.level="info"            Only log messages with the given severity or above. Valid levels: [debug, info, warn, error, fatal]
  --log.format="logger:stderr"  Set the log target and format. Example: "logger:syslog?appname=bob&local=7" or "logger:stdout?json=true"

Tested with syslog-ng 3.5.6, 3.20.1, and 3.22.1

Running

Using Docker

docker run -d -p 9577:9577 -v /var/lib/syslog-ng/syslog-ng.ctl:/syslog-ng.ctl \
  brandond/syslog_ng_exporter --socket.path=/syslog-ng.ctl

Details

Collectors

# HELP syslog_ng_destination_messages_dropped_total Number of messages dropped by this destination.
# TYPE syslog_ng_destination_messages_dropped_total counter
# HELP syslog_ng_destination_messages_processed_total Number of messages processed by this destination.
# TYPE syslog_ng_destination_messages_processed_total counter
# HELP syslog_ng_destination_messages_stored_total Number of messages stored by this destination.
# TYPE syslog_ng_destination_messages_stored_total gauge
# HELP syslog_ng_source_messages_processed_total Number of messages processed by this source.
# TYPE syslog_ng_source_messages_processed_total counter
# HELP syslog_ng_up Reads 1 if the syslog-ng server could be reached, else 0.
# TYPE syslog_ng_up gauge

Author

The exporter was originally created by brandond, heavily inspired by the apache_exporter.