func (esr *etcdSubnetRegistry) updateSubnet(ctx context.Context, network string, sn ip.IP4Net, attrs *LeaseAttrs, ttl time.Duration, asof uint64) (time.Time, error) {
key := path.Join(esr.etcdCfg.Prefix, network, "subnets", sn.StringSep(".", "-"))
value, err := json.Marshal(attrs)
if err != nil {
return time.Time{}, err
}
resp, err := esr.client().Set(ctx, key, string(value), &etcd.SetOptions{
PrevIndex: asof,
TTL: ttl,
})
if err != nil {
return time.Time{}, err
}
ensureExpiration(resp, ttl)
return *resp.Node.Expiration, nil
}
func (esr *etcdSubnetRegistry) deleteSubnet(ctx context.Context, network string, sn ip.IP4Net) error {
key := path.Join(esr.etcdCfg.Prefix, network, "subnets", sn.StringSep(".", "-"))
_, err := esr.client().Delete(ctx, key, nil)
return err
}
func MakeSubnetKey(sn ip.IP4Net) string {
return sn.StringSep(".", "-")
}