package util import ( "net" "net/http" "net/url" "strconv" "github.com/prometheus/client_golang/prometheus/promhttp" ) // ValidateURL validates the url. func ValidateURL(c *Config) error { _, err := url.Parse(c.MetricsPath) return err } // StartMetricsServer starts http server. func StartMetricsServer(c *Config) { addr := net.JoinHostPort(c.MetricsIP, strconv.Itoa(c.MetricsPort)) http.Handle(c.MetricsPath, promhttp.Handler()) err := http.ListenAndServe(addr, nil) if err != nil { FatalLog("failed to listen on address %v: %s", addr, err) } }