/// <summary>
/// Configures sending message handlers, tasks, system and GC events metrics
/// over http and into InfluxDb.
/// </summary>
/// <param name="services">IServiceCollection to add the services to.</param>
/// <param name="hostContext">Context containing the common services on the IHost.</param>
/// <returns>The Microsoft.Extensions.DependencyInjection.IServiceCollection so that additional
/// calls can be chained.</returns>
public static IServiceCollection AddConsoleMetrics(this IServiceCollection services, HostBuilderContext hostContext)
{
var metricsBuilder = AppMetrics.CreateDefaultBuilder()
.Configuration.Configure(options =>
{
options.Enabled = true;
options.ReportingEnabled = true;
});
metricsBuilder.OutputMetrics.AsPrometheusPlainText();
var metricsConfig = hostContext.Configuration.GetSection(MicroserviceConstants.MetricsConfiguration.Metrics);
var metricsOptions = new MetricsConfigurationOptions();
metricsConfig.Bind(metricsOptions);
metricsBuilder.AddInfluxDb(metricsOptions.ReportingInfluxDb);
metricsBuilder.AddOverHttp(hostContext.HostingEnvironment, metricsOptions.ReportingOverHttp);
var metrics = metricsBuilder.Build();
services.AddSingleton(metrics.OutputEnvFormatters);
services.AddSingleton <IMetrics>(metrics);
services.AddSingleton(metrics);
services.AddMetricsReporter(metricsOptions);
if (metricsOptions.AddSystemMetrics)
{
services.AddAppMetricsCollectors();
}
return(services);
}
/// <summary>
/// Configures the metrics and health checks.
/// </summary>
/// <param name="hostBuilder">The host builder.</param>
public static IWebHostBuilder ConfigureMetricsAndHealth(this IWebHostBuilder hostBuilder)
{
hostBuilder
.ConfigureHealthWithDefaults(builder => { })
.ConfigureMetricsWithDefaults((builderContext, metricsBuilder) =>
{
metricsBuilder.OutputMetrics.AsPrometheusPlainText();
var metricsConfig = builderContext.Configuration.GetSection(MicroserviceConstants.MetricsConfiguration.Metrics);
var metricsOptions = new MetricsConfigurationOptions();
metricsConfig.Bind(metricsOptions);
if (metricsOptions.ReportingInfluxDb.InfluxDb.BaseUri != null)
{
metricsBuilder.Report.ToInfluxDb(metricsOptions.ReportingInfluxDb);
}
})
.UseMetricsWebTracking()
.UseMetrics(options =>
{
options.EndpointOptions = endpointsOptions =>
{
endpointsOptions.MetricsTextEndpointOutputFormatter = Metrics.Instance.OutputMetricsFormatters.OfType <MetricsPrometheusTextOutputFormatter>().First();
endpointsOptions.MetricsEndpointOutputFormatter = Metrics.Instance.OutputMetricsFormatters.OfType <MetricsPrometheusTextOutputFormatter>().First();
};
})
.UseSystemMetrics();
return(hostBuilder);
}
/// <summary>
/// Add metrics reporter.
/// </summary>
/// <param name="services">IServiceCollection to add the services to.</param>
/// <param name="metricsOptions">Metrics configuration options.</param>
/// <returns></returns>
static void AddMetricsReporter(this IServiceCollection services, MetricsConfigurationOptions metricsOptions)
{
var metricsReporterOptions = new MetricsReporterOptions(metricsOptions);
services.AddSingleton(metricsReporterOptions);
services.AddHostedService <MetricsReporterService>();
}
/// <summary>
/// Add GC metrics, CPU metrics and memory usage metrics.
/// </summary>
/// <param name="hostBuilder">The host builder.</param>
/// <returns></returns>
static IWebHostBuilder UseSystemMetrics(this IWebHostBuilder hostBuilder)
{
hostBuilder
.ConfigureServices((builderContext, services) =>
{
var metricsConfig = builderContext.Configuration.GetSection(MicroserviceConstants.MetricsConfiguration.Metrics);
var metricsOptions = new MetricsConfigurationOptions();
metricsConfig.Bind(metricsOptions);
if (metricsOptions.AddSystemMetrics)
{
services.AddAppMetricsCollectors();
}
});
return(hostBuilder);
}
