[#151] index page: Add browse via native protocol

Signed-off-by: Nikita Zinkevich <n.zinkevich@yadro.com>

cmd/http-gw/app.go

@@ -218,20 +218,23 @@ func (a *app) loadIndexPageTemplate() {
 	if !a.settings.IndexPageEnabled() {
 		return
 	}
-	reader, err := os.Open(a.cfg.GetString(cfgIndexPageTemplatePath))
+	path := a.cfg.GetString(cfgIndexPageTemplatePath)
+	tmpl, err := a.readTemplate(path)
 	if err != nil {
 		a.settings.setIndexTemplate("")
 		a.log.Warn(logs.FailedToReadIndexPageTemplate, zap.Error(err))
-		return
+	} else {
+		a.settings.setIndexTemplate(string(tmpl))
+		a.log.Info(logs.SetCustomIndexPageTemplate, zap.String("path", path))
 	}
-	tmpl, err := io.ReadAll(reader)
+}
+
+func (a *app) readTemplate(path string) ([]byte, error) {
+	reader, err := os.Open(path)
 	if err != nil {
-		a.settings.setIndexTemplate("")
-		a.log.Warn(logs.FailedToReadIndexPageTemplate, zap.Error(err))
-		return
+		return nil, err
 	}
-	a.settings.setIndexTemplate(string(tmpl))
-	a.log.Info(logs.SetCustomIndexPageTemplate)
+	return io.ReadAll(reader)
 }
 
 func (s *appSettings) ClientCut() bool {

cmd/http-gw/settings.go

@@ -206,9 +206,6 @@ func settings() *viper.Viper {
 	// pool:
 	v.SetDefault(cfgPoolErrorThreshold, defaultPoolErrorThreshold)
 
-	v.SetDefault(cfgIndexPageEnabled, false)
-	v.SetDefault(cfgIndexPageTemplatePath, "")
-
 	// frostfs:
 	v.SetDefault(cfgBufferMaxSizeForPut, defaultBufferMaxSizeForPut)