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Rendering: Adds PDF support behind feature toggle (#81811)

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* start pdf refactor

* Update AppChrome.tsx

* Update AppChrome.tsx

* add encoding param to rendering grpc service

* fix plugin mode

* clean up

* fix backend tests

* fix lint errors

* Support pdf encoding in render http api

---------

Co-authored-by: Torkel Ödegaard <torkel@grafana.com>
This commit is contained in:
Agnès Toulet
2024-02-08 13:09:34 +01:00
committed by GitHub
parent 90a26e18db
commit 28e66b4ad8
24 changed files with 189 additions and 117 deletions
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13
pkg/api/render.go
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@@ -59,7 +59,9 @@ func (hs *HTTPServer) RenderToPng(c *contextmodel.ReqContext) {
hs.log.Error("Failed to parse user id", "err", errID)
}
result, err := hs.RenderService.Render(c.Req.Context(), rendering.Opts{
encoding := queryReader.Get("encoding", "")
result, err := hs.RenderService.Render(c.Req.Context(), rendering.RenderPNG, rendering.Opts{
TimeoutOpts: rendering.TimeoutOpts{
Timeout: time.Duration(timeout) * time.Second,
},
@@ -72,7 +74,7 @@ func (hs *HTTPServer) RenderToPng(c *contextmodel.ReqContext) {
Height: height,
Path: web.Params(c.Req)["*"] + queryParams,
Timezone: queryReader.Get("tz", ""),
Encoding: queryReader.Get("encoding", ""),
Encoding: encoding,
ConcurrentLimit: hs.Cfg.RendererConcurrentRequestLimit,
DeviceScaleFactor: scale,
Headers: headers,
@@ -88,7 +90,12 @@ func (hs *HTTPServer) RenderToPng(c *contextmodel.ReqContext) {
return
}
c.Resp.Header().Set("Content-Type", "image/png")
if encoding == "pdf" {
c.Resp.Header().Set("Content-Type", "application/pdf")
} else {
c.Resp.Header().Set("Content-Type", "image/png")
}
c.Resp.Header().Set("Cache-Control", "private")
http.ServeFile(c.Resp, c.Req, result.FilePath)
}