configuration.go

package configuration

import (
	"fmt"
	"net"
)

type IPConfig struct {
	IP           net.IP `json:"ip,omitempty"`
	PrefixLength int    `json:"prefix_length,omitempty"`
}

func New(ip string, prefixLength int) (IPConfig, error) {
	newIPConfig := IPConfig{}
	parsedIP := net.ParseIP(ip)
	if parsedIP == nil {
		return newIPConfig, fmt.Errorf("%s can not be parsed to an IP.", ip)
	}

	newIPConfig.IP = parsedIP
	newIPConfig.PrefixLength = prefixLength

	return newIPConfig, nil
}