/*
Update the list of remote hosts with the specified hostname.
*/
func (otter *Otter) UpdateHost(hostname, previous string) (string, error) {
options := etcd.SetOptions{
TTL: 60 * time.Second,
}
now := time.Now().String()
if previous != "" {
options.PrevValue = previous
}
_, err := otter.etcdKeysApi.Set(context.Background(), fmt.Sprintf("/ping/%s", hostname), now, &options)
if err != nil {
return now, err
}
return now, nil
}
