imguploader: Add support for new internal image store (#6922)

pkg/components/imguploader/imguploader.go

@@ -88,6 +88,8 @@ func NewImageUploader() (ImageUploader, error) {
 		container_name := azureBlobSec.Key("container_name").MustString("")
 
 		return NewAzureBlobUploader(account_name, account_key, container_name), nil
+	case "local":
+		return NewLocalImageUploader()
 	}
 
 	if setting.ImageUploadProvider != "" {

pkg/components/imguploader/imguploader_test.go

@@ -143,5 +143,23 @@ func TestImageUploaderFactory(t *testing.T) {
 				So(original.container_name, ShouldEqual, "container_name")
 			})
 		})
+
+		Convey("Local uploader", func() {
+			var err error
+
+			setting.NewConfigContext(&setting.CommandLineArgs{
+				HomePath: "../../../",
+			})
+
+			setting.ImageUploadProvider = "local"
+
+			uploader, err := NewImageUploader()
+
+			So(err, ShouldBeNil)
+			original, ok := uploader.(*LocalUploader)
+
+			So(ok, ShouldBeTrue)
+			So(original, ShouldNotBeNil)
+		})
 	})
 }

pkg/components/imguploader/localuploader.go

@@ -0,0 +1,22 @@
+package imguploader
+
+import (
+	"context"
+	"path"
+	"path/filepath"
+
+	"github.com/grafana/grafana/pkg/setting"
+)
+
+type LocalUploader struct {
+}
+
+func (u *LocalUploader) Upload(ctx context.Context, imageOnDiskPath string) (string, error) {
+	filename := filepath.Base(imageOnDiskPath)
+	image_url := setting.ToAbsUrl(path.Join("public/img/attachments", filename))
+	return image_url, nil
+}
+
+func NewLocalImageUploader() (*LocalUploader, error) {
+	return &LocalUploader{}, nil
+}

pkg/components/imguploader/localuploader_test.go

@@ -0,0 +1,18 @@
+package imguploader
+
+import (
+	"context"
+	"testing"
+
+	. "github.com/smartystreets/goconvey/convey"
+)
+
+func TestUploadToLocal(t *testing.T) {
+	Convey("[Integration test] for external_image_store.local", t, func() {
+		localUploader, _ := NewLocalImageUploader()
+		path, err := localUploader.Upload(context.Background(), "../../../public/img/logo_transparent_400x.png")
+
+		So(err, ShouldBeNil)
+		So(path, ShouldContainSubstring, "/public/img/attachments")
+	})
+}