/// Implementation
func parseSubnetKey(s string) (ip.IP4Net, error) {
if parts := subnetRegex.FindStringSubmatch(s); len(parts) == 3 {
snIp := net.ParseIP(parts[1]).To4()
prefixLen, err := strconv.ParseUint(parts[2], 10, 5)
if snIp != nil && err == nil {
return ip.IP4Net{IP: ip.FromIP(snIp), PrefixLen: uint(prefixLen)}, nil
}
}
return ip.IP4Net{}, errors.New("Error parsing IP Subnet")
}
func acquireLease(sm *subnet.SubnetManager, pubIP net.IP) (ip.IP4Net, error) {
attrs := subnet.BaseAttrs{
PublicIP: ip.FromIP(pubIP),
}
data, err := json.Marshal(&attrs)
if err != nil {
return ip.IP4Net{}, err
}
var sn ip.IP4Net
for {
sn, err = sm.AcquireLease(attrs.PublicIP, string(data))
if err == nil {
log.Info("Subnet lease acquired: ", sn)
break
}
log.Error("Failed to acquire subnet: ", err)
time.Sleep(time.Second)
}
return sn, nil
}