Add etcd store

store/etcd_item.go

@@ -0,0 +1,14 @@
+package store
+
+type EtcdItem struct {
+	key   string
+	value []byte
+}
+
+func (c *EtcdItem) Key() string {
+	return c.key
+}
+
+func (c *EtcdItem) Value() []byte {
+	return c.value
+}

store/etcd_store.go

@@ -0,0 +1,52 @@
+package store
+
+import (
+	"errors"
+
+	"github.com/coreos/go-etcd/etcd"
+)
+
+type EtcdStore struct {
+	Client *etcd.Client
+}
+
+func (e *EtcdStore) Get(key string) (Item, error) {
+	kv, err := e.Client.Get(key, false, false)
+	if err != nil {
+		return nil, err
+	}
+	if kv == nil {
+		return nil, errors.New("key not found")
+	}
+
+	return &EtcdItem{
+		key:   kv.Node.Key,
+		value: []byte(kv.Node.Value),
+	}, nil
+}
+
+func (e *EtcdStore) Del(key string) error {
+	_, err := e.Client.Delete(key, false)
+	return err
+}
+
+func (e *EtcdStore) Put(item Item) error {
+	_, err := e.Client.Set(item.Key(), string(item.Value()), 0)
+
+	return err
+}
+
+func (e *EtcdStore) NewItem(key string, value []byte) Item {
+	return &EtcdItem{
+		key:   key,
+		value: value,
+	}
+}
+
+func NewEtcdStore() Store {
+	client := etcd.NewClient([]string{})
+
+	return &EtcdStore{
+		Client: client,
+	}
+}