By defining a dedicated datasource of type `image_renderer`, users can direct Grafana to the renderer service. Furthermore, monitoring platforms use the renderer to generate thumbnails for dashboards in listing pages, providing a quick overview without requiring users to enter the Grafana environment.
Grafana Image Renderer Network Security Guide: Securing Your Rendering Infrastructure
The renderer acts as a backend datasource, expanding Grafana's native capabilities without modifying core files. This functionality is essential for automated reporting, scheduled snapshots, and embedding visuals into documentation where a live Grafana instance is not feasible.
Since the service can execute arbitrary dashboard queries, it should never be publicly accessible without authentication. Documentation sites utilize it to embed current dashboard visuals directly into wikis and portals.
Securing Grafana Image Renderer Network Access and Authentication
The server must know the URL and authentication details for the Grafana instance it serves. It receives rendering requests, fetches the specific dashboard, and utilizes Chrome to draw the final output.
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