sam/Foxnouns.NET
sam/Foxnouns.NET
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages 2 Wiki Activity Actions

feat(backend): start work on metrics

Browse source
This commit is contained in:
sam 2024-07-13 17:23:52 +02:00
parent fa49030b06
commit 16f230b97d
Signed by: sam
GPG key ID: B4EF20DDE721CAA1
6 changed files with 53 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

35
Foxnouns.Backend/Extensions/WebApplicationExtensions.cs
View file

@ -1,3 +1,6 @@
using App.Metrics;
using App.Metrics.AspNetCore;
using App.Metrics.Formatters.Prometheus;
using Foxnouns.Backend.Database;
using Foxnouns.Backend.Jobs;
using Foxnouns.Backend.Middleware;
@ -6,6 +9,7 @@ using Microsoft.EntityFrameworkCore;
using NodaTime;
using Serilog;
using Serilog.Events;
using IClock = NodaTime.IClock;
namespace Foxnouns.Backend.Extensions;
@ -29,6 +33,7 @@ public static class WebApplicationExtensions
.MinimumLevel.Override("Microsoft.AspNetCore.Hosting", LogEventLevel.Warning)
.MinimumLevel.Override("Microsoft.AspNetCore.Mvc", LogEventLevel.Warning)
.MinimumLevel.Override("Microsoft.AspNetCore.Routing", LogEventLevel.Warning)
.MinimumLevel.Override("Hangfire", LogEventLevel.Information)
.WriteTo.Console();
if (config.Logging.SeqLogUrl != null)
@ -52,6 +57,36 @@ public static class WebApplicationExtensions
return config;
}
public static WebApplicationBuilder AddMetrics(this WebApplicationBuilder builder)
{
var config = builder.Configuration.Get<Config>() ?? new();
var metrics = AppMetrics.CreateDefaultBuilder()
.OutputMetrics.AsPrometheusPlainText()
.Build();
builder.Services.AddSingleton(metrics);
builder.Services.AddSingleton<IMetrics>(metrics);
builder.WebHost
.ConfigureMetrics(metrics)
.UseMetrics(opts =>
{
opts.EndpointOptions = options =>
{
// Metrics must listen on a separate port for security reasons. If no metrics port is set, disable the endpoint entirely.
options.MetricsEndpointEnabled = config.Logging.MetricsPort != null;
options.EnvironmentInfoEndpointEnabled = config.Logging.MetricsPort != null;
options.MetricsTextEndpointEnabled = false;
options.MetricsEndpointOutputFormatter = metrics.OutputMetricsFormatters
.OfType<MetricsPrometheusTextOutputFormatter>().First();
};
})
.UseMetricsWebTracking()
.ConfigureAppMetricsHostingConfiguration(opts => { opts.AllEndpointsPort = config.Logging.MetricsPort; });
return builder;
}
public static IConfigurationBuilder AddConfiguration(this IConfigurationBuilder builder)
{
var file = Environment.GetEnvironmentVariable("FOXNOUNS_CONFIG_FILE") ?? "config.ini";