add support for gcs

api/gcs.go

@@ -0,0 +1,21 @@
+package api
+
+import (
+	"github.com/gin-gonic/gin"
+)
+
+// @Summary GCS buckets
+// @Description **Get list of GCS buckets**
+// @Description
+// @Description List configured GCS buckets.
+// @Tags Status
+// @Produce json
+// @Success 200 {array} string "List of GCS buckets"
+// @Router /api/gcs [get]
+func apiGCSList(c *gin.Context) {
+	keys := []string{}
+	for k := range context.Config().GCSPublishRoots {
+		keys = append(keys, k)
+	}
+	c.JSON(200, keys)
+}