public static IServiceCollection AddEdamosMetrics(this IServiceCollection services, IConfigurationRoot config)
{
var metrics = AppMetrics.CreateDefaultBuilder();
HttpClient httpClient = new HttpClient();
httpClient.BaseAddress = Consts.InfluxDb.Uri;
httpClient.GetAsync($"query?q=CREATE RETENTION POLICY {Consts.InfluxDb.RetentionPolicy} ON {Consts.InfluxDb.MetricsDbName} DURATION 15m REPLICATION 1 DEFAULT");
metrics.Report.ToInfluxDb(options =>
{
options.FlushInterval = TimeSpan.FromSeconds(5);
options.InfluxDb.BaseUri = Consts.InfluxDb.Uri;
options.InfluxDb.Database = Consts.InfluxDb.MetricsDbName;
});
metrics.Configuration.Configure(
options =>
{
options.Enabled = true;
options.ReportingEnabled = true;
});
services.AddMetrics(metrics);
var hostOptions = new MetricsWebHostOptions();
services.AddMetricsReportScheduler(hostOptions.UnobservedTaskExceptionHandler);
//services.AddMetricsEndpoints(hostOptions.EndpointOptions);
services.AddMetricsTrackingMiddleware(hostOptions.TrackingMiddlewareOptions);
return(services);
}
private static MetricsWebHostOptions GetMetricsWebHostOptions(MetricsOptions metricsOptions)
{
var options = new MetricsWebHostOptions();
if (!metricsOptions.Enabled)
{
return(options);
}
if (!metricsOptions.PrometheusEnabled)
{
return(options);
}
options.EndpointOptions = endpointOptions =>
{
switch (metricsOptions.PrometheusFormatter?.ToLowerInvariant() ?? string.Empty)
{
case "protobuf":
endpointOptions.MetricsEndpointOutputFormatter =
new MetricsPrometheusProtobufOutputFormatter();
break;
default:
endpointOptions.MetricsEndpointOutputFormatter =
new MetricsPrometheusTextOutputFormatter();
break;
}
};
return(options);
}
/// <summary>
/// Переопределяет форматирование метрик роута "/metrics-text" для использования в Prometheus
/// </summary>
/// <param name="services"></param>
/// <param name="configuration"></param>
private static void ConfigurePrometheusMetrics(IServiceCollection services, IConfiguration configuration)
{
var metrics = AppMetrics.CreateDefaultBuilder()
.OutputMetrics.AsPrometheusPlainText()
.Build();
services.AddMetrics(metrics);
var options = new MetricsWebHostOptions();
options.EndpointOptions = endpointsOptions =>
{
endpointsOptions.MetricsTextEndpointOutputFormatter = metrics
.OutputMetricsFormatters.OfType <MetricsPrometheusTextOutputFormatter>()
.First();
};
services.AddMetricsReportingHostedService(options.UnobservedTaskExceptionHandler);
services.AddMetricsEndpoints(options.EndpointOptions, configuration);
services.AddMetricsTrackingMiddleware(options.TrackingMiddlewareOptions, configuration);
services.AddSingleton <IStartupFilter, DefaultMetricsEndpointsStartupFilter>();
services.AddMetricsTrackingMiddleware(configuration);
services.AddSingleton <IStartupFilter, DefaultMetricsTrackingStartupFilter>();
}
public static IServiceCollection AddAppMetrics(this IServiceCollection services, AppMetricsOptions appMetricsOptions = null)
{
if (appMetricsOptions?.IsEnabled ?? false)
{
var metrics = App.Metrics.AppMetrics.CreateDefaultBuilder()
.Configuration.Configure(appMetricsOptions.MetricsOptions)
.OutputMetrics.AsPrometheusPlainText()
.Build();
var options = new MetricsWebHostOptions
{
EndpointOptions = endpointsOptions =>
{
endpointsOptions.MetricsEndpointEnabled = appMetricsOptions.MetricEndpointsOptions.MetricsEndpointEnabled;
endpointsOptions.MetricsTextEndpointEnabled = appMetricsOptions.MetricEndpointsOptions.MetricsTextEndpointEnabled;
endpointsOptions.EnvironmentInfoEndpointEnabled = appMetricsOptions.MetricEndpointsOptions.EnvironmentInfoEndpointEnabled;
endpointsOptions.MetricsTextEndpointOutputFormatter = metrics.OutputMetricsFormatters.OfType <MetricsPrometheusTextOutputFormatter>().First();
endpointsOptions.MetricsEndpointOutputFormatter = metrics.OutputMetricsFormatters.OfType <MetricsPrometheusTextOutputFormatter>().First();
},
TrackingMiddlewareOptions = trackingMiddlewareOptions =>
{
trackingMiddlewareOptions.ApdexTrackingEnabled = appMetricsOptions.MetricsWebTrackingOptions.ApdexTrackingEnabled;
trackingMiddlewareOptions.ApdexTSeconds = appMetricsOptions.MetricsWebTrackingOptions.ApdexTSeconds;
trackingMiddlewareOptions.IgnoredHttpStatusCodes = appMetricsOptions.MetricsWebTrackingOptions.IgnoredHttpStatusCodes;
trackingMiddlewareOptions.IgnoredRoutesRegexPatterns = appMetricsOptions.MetricsWebTrackingOptions.IgnoredRoutesRegexPatterns;
trackingMiddlewareOptions.OAuth2TrackingEnabled = appMetricsOptions.MetricsWebTrackingOptions.OAuth2TrackingEnabled;
},
};
services.AddMetrics(metrics);
services.AddMetricsReportingHostedService(options.UnobservedTaskExceptionHandler);
services.AddMetricsEndpoints(options.EndpointOptions);
services.AddMetricsTrackingMiddleware(options.TrackingMiddlewareOptions);
services.AddSingleton <IStartupFilter>(new DefaultMetricsEndpointsStartupFilter());
services.AddSingleton <IStartupFilter>(new DefaultMetricsTrackingStartupFilter());
}
return(services);
}