add remote ip and user agent to http request logging (#1990)

CHANGELOG.md

@@ -8,6 +8,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Add `linux-musl-x64` artifact for users running Alpine x64
 - Add API endpoint to empty trash (POST to `/api/maintenance/empty_trash`)
   - e.g. `curl -XPOST -d '' http://localhost:8409/api/maintenance/empty_trash`
+- Add remote IP and user agent to HTTP request logging
 
 ### Fixed
 - Fix error message about synchronizing Plex collections from a Plex server that has zero collections

ErsatzTV/Startup.cs

@@ -506,6 +506,14 @@ public class Startup
 
                     return LogEventLevel.Verbose;
                 };
+
+                options.EnrichDiagnosticContext = (diagnosticContext, httpContext) =>
+                {
+                    diagnosticContext.Set("RemoteIP", httpContext.Connection.RemoteIpAddress);
+                    diagnosticContext.Set("UserAgent", httpContext.Request.Headers["User-Agent"]);
+                };
+
+                options.MessageTemplate = "HTTP {RequestMethod} {RequestPath} responded {StatusCode} in {Elapsed:0.00} ms from {UserAgent} at {RemoteIP}";
             });
 
         app.UseRequestLocalization(