A (crusty) DrayTek Vigor 130 (and others) exporter for prometheus.
This can be used to scrape your Vigor modem for some connection metrics.
go build .
./vigor-exporter --help
-host string
hostname/ip the Vigor is reachable on
-password string
password to authenticate to the Vigor
-username string
username to authenticate to the Vigor
The exporter is listening on *:9103 and provides metrics at the /metrics
path.