store, config: Added option to disable space.

internal/config/config.go

@@ -14,6 +14,7 @@ var global *Config
 // Config is configuration
 type Config struct {
 	Space struct {
+		Enabled   bool   `json:"enabled"`
 		Host      string `json:"host"`
 		AccessKey string `json:"accessKey"`
 		SecretKey string `json:"secretKey"`

internal/store/init.go

@@ -26,9 +26,11 @@ func Init() error {
 	}
 
 	sconf := conf.Space
-	err = ConnectSpace(sconf.Host, sconf.AccessKey, sconf.SecretKey, sconf.Bucket, sconf.MaxSize, sconf.Root)
-	if err != nil {
-		return err
+	if sconf.Enabled {
+		err = ConnectSpace(sconf.Host, sconf.AccessKey, sconf.SecretKey, sconf.Bucket, sconf.MaxSize, sconf.Root)
+		if err != nil {
+			return err
+		}
 	}
 
 	hasInitialized = true

internal/store/space.go

@@ -43,6 +43,10 @@ func ConnectSpace(host, accessKey, secretKey, bucket string, maxSize int64, root
 // UploadFile uploads the file to the space. This does not do any checks on it, so the endpoints should
 // ensure that's all okay.
 func UploadFile(ctx context.Context, folder string, name string, mimeType string, reader io.Reader, size int64) (string, error) {
+	if spaceClient == nil {
+		return "", errors.New("This functionality is not enabled")
+	}
+
 	path := folder + "/" + name
 
 	if size > spaceMaxSize {
@@ -69,6 +73,10 @@ func UploadFile(ctx context.Context, folder string, name string, mimeType string
 
 // RemoveFile removes a file from the space
 func RemoveFile(folder string, name string) error {
+	if spaceClient == nil {
+		return errors.New("This functionality is not enabled")
+	}
+
 	path := folder + "/" + name
 
 	return spaceClient.RemoveObject(spaceBucket, spaceRoot+"/"+path)
@@ -76,6 +84,10 @@ func RemoveFile(folder string, name string) error {
 
 // DownloadFile opens a file for download, using the same path format as the UploadFile function. Remember to Close it!
 func DownloadFile(ctx context.Context, path string) (io.ReadCloser, error) {
+	if spaceClient == nil {
+		return nil, errors.New("This functionality is not enabled")
+	}
+
 	return spaceClient.GetObjectWithContext(ctx, spaceBucket, spaceRoot+"/"+path, minio.GetObjectOptions{})
 }