// GetVal returns a single KeyValue found at key
func (e EtcdWrapper) GetVal(key string) (*kvwrapper.KeyValue, error) {
r, err := e.client.Get(key, false, true)
if err != nil {
log.Warn("Could not retrieve key from etcd.", "key", key, "error", err)
if strings.HasPrefix(err.Error(), "501:") {
return nil, kvwrapper.ErrCouldNotConnect
} else if strings.HasPrefix(err.Error(), "100:") {
return nil, kvwrapper.ErrKeyNotFound
} else {
return nil, err
}
}
kv := &kvwrapper.KeyValue{
Key: key,
Value: r.Node.Value,
HasChildren: r.Node.Dir,
}
return kv, nil
}
// GetVal returns a []KeyValue found at key
func (e EtcdWrapper) GetList(key string, sort bool) ([]*kvwrapper.KeyValue, error) {
r, err := e.client.Get(key, sort, true)
if err != nil {
log.Warn("Could not retrieve key from etcd.", "key", key, "error", err)
if strings.HasPrefix(err.Error(), "501:") {
return nil, kvwrapper.ErrCouldNotConnect
} else if strings.HasPrefix(err.Error(), "100:") {
return nil, kvwrapper.ErrKeyNotFound
} else {
return nil, err
}
}
kvs := make([]*kvwrapper.KeyValue, 0)
for i := 0; i < r.Node.Nodes.Len(); i++ {
kv := &kvwrapper.KeyValue{
Key: r.Node.Nodes[i].Key,
Value: r.Node.Nodes[i].Value,
HasChildren: r.Node.Nodes[i].Dir,
}
kvs = append(kvs, kv)
}
return kvs, nil
}