public static void EnablePrometheusMonitoring(this IRouter router,
IPrometheusMonitoringConfiguration prometheusMonitoringConfiguration)
{
if (!prometheusMonitoringConfiguration.Enabled)
{
return;
}
router.Use(async(context, next) =>
{
try
{
GetCounter(GetMetricName(context, "count")).Inc();
var pending = GetGauge(GetMetricName(context, "pending"));
pending.Inc();
await next(context);
pending.Dec();
GetCounter(GetMetricName(context, context.Response.StatusCode + "_count")).Inc();
}
catch (Exception)
{
GetCounter(GetMetricName(context, "error_count")).Inc();
throw;
}
});
}
public static void EnablePrometheusMonitoring(this IApplicationBuilder app,
IPrometheusMonitoringConfiguration prometheusMonitoringConfiguration)
{
if (!prometheusMonitoringConfiguration.Enabled)
{
return;
}
app.UseMetricServer(prometheusMonitoringConfiguration.Path);
}
public PrometheusExtension(IApplicationBuilder applicationBuilder,
IPrometheusMonitoringConfiguration prometheusMonitoringConfiguration)
{
_prometheusMonitoringConfiguration = prometheusMonitoringConfiguration;
_applicationBuilder = applicationBuilder;
}
public PrometheusModule(IPrometheusMonitoringConfiguration prometheusMonitoringConfiguration)
{
_prometheusMonitoringConfiguration = prometheusMonitoringConfiguration;
}
