added setting top hide plugins in alpha state

pkg/api/frontendsettings.go

@@ -11,7 +11,7 @@ import (
 	"github.com/grafana/grafana/pkg/util"
 )
 
-func getFrontendSettingsMap(c *m.ReqContext) (map[string]interface{}, error) {
+func (hs *HTTPServer) getFrontendSettingsMap(c *m.ReqContext) (map[string]interface{}, error) {
 	orgDataSources := make([]*m.DataSource, 0)
 
 	if c.OrgId != 0 {
@@ -120,6 +120,10 @@ func getFrontendSettingsMap(c *m.ReqContext) (map[string]interface{}, error) {
 
 	panels := map[string]interface{}{}
 	for _, panel := range enabledPlugins.Panels {
+		if panel.State == "alpha" && !hs.Cfg.EnableAlphaPanels {
+			continue
+		}
+
 		panels[panel.Id] = map[string]interface{}{
 			"module":       panel.Module,
 			"baseUrl":      panel.BaseUrl,
@@ -183,8 +187,8 @@ func getPanelSort(id string) int {
 	return sort
 }
 
-func GetFrontendSettings(c *m.ReqContext) {
-	settings, err := getFrontendSettingsMap(c)
+func (hs *HTTPServer) GetFrontendSettings(c *m.ReqContext) {
+	settings, err := hs.getFrontendSettingsMap(c)
 	if err != nil {
 		c.JsonApiErr(400, "Failed to get frontend settings", err)
 		return