From 7a823fe8951e92f1ef34854e632f7db57746092a Mon Sep 17 00:00:00 2001
From: "Grot (@grafanabot)" <43478413+grafanabot@users.noreply.github.com>
Date: Fri, 30 Jul 2021 17:45:41 +0100
Subject: [PATCH] Renderer: delete debug.log file when Grafana is stopped
 (#37367) (#37413)
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(cherry picked from commit 0757ba1c64d60160a435aeba1623f166683b503e)

Co-authored-by: Agnès Toulet <35176601+AgnesToulet@users.noreply.github.com>
---
 pkg/services/rendering/rendering.go | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/pkg/services/rendering/rendering.go b/pkg/services/rendering/rendering.go
index aa2788af1b9..254a4726735 100644
--- a/pkg/services/rendering/rendering.go
+++ b/pkg/services/rendering/rendering.go
@@ -7,6 +7,7 @@ import (
 	"math"
 	"net/url"
 	"os"
+	"path"
 	"path/filepath"
 	"strings"
 	"time"
@@ -113,6 +114,17 @@ func (rs *RenderingService) Run(ctx context.Context) error {
 		rs.renderAction = rs.renderViaPlugin
 		rs.renderCSVAction = rs.renderCSVViaPlugin
 		<-ctx.Done()
+
+		// On Windows, Chromium is generating a debug.log file that breaks signature check on next restart
+		debugFilePath := path.Join(rs.pluginInfo.PluginDir, "chrome-win/debug.log")
+		if _, err := os.Stat(debugFilePath); err == nil {
+			err = os.Remove(debugFilePath)
+			if err != nil {
+				rs.log.Warn("Couldn't remove debug.log file, the renderer plugin will not be able to pass the signature check until this file is deleted",
+					"err", err)
+			}
+		}
+
 		return nil
 	}