func isDiscernibleHost()

in collector/receiver/prometheusreceiver/internal/prom_to_otlp.go [28:43]

• 10 lines of code
• 4 McCabe index (conditional complexity)

func isDiscernibleHost(host string) bool {
	ip := net.ParseIP(host)
	if ip != nil {
		// An IP is discernible if
		//  - it's not local (e.g. belongs to 127.0.0.0/8 or ::1/128) and
		//  - it's not unspecified (e.g. the 0.0.0.0 address).
		return !ip.IsLoopback() && !ip.IsUnspecified()
	}

	if host == "localhost" {
		return false
	}

	// not an IP, not 'localhost', assume it is discernible.
	return true
}