func getEtcdClient(etcdURI string) etcdclient.EtcdClient {
etcdClient, err := etcdclient.Dial(etcdURI)
if err != nil {
log.Panicln("Error with etcdclient.New", err.Error())
}
return etcdClient
}
// Del deletes a key from etcd
func Del(uri, key string) error {
client, err := etcdclient.Dial(uri)
if err != nil {
return err
}
return client.Del(key)
}
// UpdateDirWithTTL updates the ttl on the dir
func UpdateDirWithTTL(uri, key string, ttlSeconds int) error {
client, err := etcdclient.Dial(uri)
if err != nil {
return err
}
ttl := time.Duration(ttlSeconds) * time.Second
return client.UpdateDirWithTTL(key, ttl)
}
// Set sets a key on etcd, but only if its
// different
func Set(uri, key, value string) error {
client, err := etcdclient.Dial(uri)
if err != nil {
return err
}
oldValue, err := client.Get(key)
if err != nil {
return err
}
if oldValue == value {
return nil
}
return client.Set(key, value)
}