Filters to suppress or redact information being recorded into Microsoft Application Insights for ASP.NET and ASP.NET Core applications.
Install the [RimDev.ApplicationInsights.Filters][NuGet link] NuGet package.
PM> Install-Package RimDev.ApplicationInsights.Filters
Follow the usage guidelines for ASP.NET and ASP.NET Core at https://docs.microsoft.com/en-us/azure/azure-monitor/app/api-filtering-sampling.
namespace WebApplication
{
public class Startup
{
// ASP.NET Full Framework
public void Configuration(IAppBuilder app)
{
var telemetryProcessorChainBuilder = TelemetryConfiguration.Active.TelemetryProcessorChainBuilder;
telemetryProcessorChainBuilder
.Use(next => new IgnoreHangfireTelemetry(next,
ConfigurationManager.ConnectionStrings["Hangfire"]?.ConnectionString))
.Use(next => new IgnorePathsTelemetry(next, "/_admin"))
.Use(next => new RemoveHttpUrlPasswordsTelemetry(next))
.Use(next => new RedactQueryStringValueTelemetryProcessor(next,
new RedactQueryStringValueTelemetryProcessorOptions
{
RedactedValue = "REDACTED",
Keys = new[] {"secret"},
}))
.Build();
}
// ASP.NET Core
public void ConfigureServices(IServiceCollection services)
{
services.AddSingleton(new IgnoreHangfireTelemetryOptions
{
SqlConnectionString = configuration.GetConnectionString("hangfire")
});
services.AddSingleton(new IgnorePathsTelemetryOptions
{
Paths = new[] { "/_admin" }
});
services.AddApplicationInsightsTelemetry();
services.AddApplicationInsightsTelemetryProcessor<IgnoreHangfireTelemetry>();
services.AddApplicationInsightsTelemetryProcessor<IgnorePathsTelemetry>();
services.AddApplicationInsightsTelemetryProcessor<RemoveHttpUrlPasswordsTelemetry>();
services.AddSingleton(new RedactQueryStringValueTelemetryProcessorOptions
{
RedactedValue = "REDACTED",
Keys = new[] {"secret"},
});
services.AddApplicationInsightsTelemetryProcessor<RedactQueryStringValueTelemetryProcessor>();
}
}
}MIT License