InfluxDB now works in proxy mode, influxdb username and password is added in the backend and never exposed to frontend, #8

pkg/api/render.go

@@ -0,0 +1,32 @@
+package api
+
+import (
+	"net/http"
+	"strconv"
+
+	"github.com/torkelo/grafana-pro/pkg/components/renderer"
+	"github.com/torkelo/grafana-pro/pkg/middleware"
+	"github.com/torkelo/grafana-pro/pkg/utils"
+)
+
+func RenderToPng(c *middleware.Context) {
+	accountId := c.GetAccountId()
+	queryReader := utils.NewUrlQueryReader(c.Req.URL)
+	queryParams := "?render&accountId=" + strconv.FormatInt(accountId, 10) + "&" + c.Req.URL.RawQuery
+
+	renderOpts := &renderer.RenderOpts{
+		Url:    c.Params("*") + queryParams,
+		Width:  queryReader.Get("width", "800"),
+		Height: queryReader.Get("height", "400"),
+	}
+
+	renderOpts.Url = "http://localhost:3000/" + renderOpts.Url
+
+	pngPath, err := renderer.RenderToPng(renderOpts)
+	if err != nil {
+		c.HTML(500, "error.html", nil)
+	}
+
+	c.Resp.Header().Set("Content-Type", "image/png")
+	http.ServeFile(c.Resp, c.Req.Request, pngPath)
+}