devlopment branch (#1736)

pkg/simple/client/s3/interface.go

@@ -0,0 +1,17 @@
+package s3
+
+import (
+	"io"
+	"time"
+)
+
+type Interface interface {
+	// Upload uploads a object to storage and returns object location if succeeded
+	Upload(key string, body io.Reader) (string, error)
+
+	// Get retrieves and object's downloadable location if succeeded
+	Get(key string, fileName string, expire time.Duration) (string, error)
+
+	// Delete deletes an object by its key
+	Delete(key string) error
+}