// ReadAddrs returns a ZknsAddrs record from the given path in Zookeeper.
func ReadAddrs(zconn zk.Conn, zkPath string) (*ZknsAddrs, error) {
data, stat, err := zconn.Get(zkPath)
if err != nil {
return nil, err
}
// There are nodes that will have no data - for instance a subdomain node.
if len(data) == 0 {
return nil, nil
}
addrs := new(ZknsAddrs)
err = json.Unmarshal([]byte(data), addrs)
if err != nil {
return nil, err
}
addrs.version = stat.Version()
return addrs, nil
}
