func CreateDashboardSnapshot(c *middleware.Context, cmd m.CreateDashboardSnapshotCommand) { if cmd.External { // external snapshot ref requires key and delete key if cmd.Key == "" || cmd.DeleteKey == "" { c.JsonApiErr(400, "Missing key and delete key for external snapshot", nil) return } cmd.OrgId = -1 cmd.UserId = -1 metrics.M_Api_Dashboard_Snapshot_External.Inc(1) } else { cmd.Key = util.GetRandomString(32) cmd.DeleteKey = util.GetRandomString(32) cmd.OrgId = c.OrgId cmd.UserId = c.UserId metrics.M_Api_Dashboard_Snapshot_Create.Inc(1) } if err := bus.Dispatch(&cmd); err != nil { c.JsonApiErr(500, "Failed to create snaphost", err) return } c.JSON(200, util.DynMap{ "key": cmd.Key, "deleteKey": cmd.DeleteKey, "url": setting.ToAbsUrl("dashboard/snapshot/" + cmd.Key), "deleteUrl": setting.ToAbsUrl("api/snapshots-delete/" + cmd.DeleteKey), }) }
func RenderToPng(c *middleware.Context) { queryReader := util.NewUrlQueryReader(c.Req.URL) queryParams := fmt.Sprintf("?%s", c.Req.URL.RawQuery) sessionId := c.Session.ID() // Handle api calls authenticated without session if sessionId == "" && c.ApiKeyId != 0 { c.Session.Start(c) c.Session.Set(middleware.SESS_KEY_APIKEY, c.ApiKeyId) // release will make sure the new session is persisted before // we spin up phantomjs c.Session.Release() // cleanup session after render is complete defer func() { c.Session.Destory(c) }() } renderOpts := &renderer.RenderOpts{ Url: c.Params("*") + queryParams, Width: queryReader.Get("width", "800"), Height: queryReader.Get("height", "400"), SessionId: c.Session.ID(), } renderOpts.Url = setting.ToAbsUrl(renderOpts.Url) pngPath, err := renderer.RenderToPng(renderOpts) if err != nil { c.Handle(500, "Failed to render to png", err) return } c.Resp.Header().Set("Content-Type", "image/png") http.ServeFile(c.Resp, c.Req.Request, pngPath) }