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Added open telemetry exporter to existing metric system. Improved config section for metrics

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This commit is contained in:
ChiaraBm
2025-08-23 22:09:00 +02:00
parent c02c13bf90
commit 2c5d45e9c2
4 changed files with 87 additions and 23 deletions
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56
Moonlight.ApiServer/Implementations/Startup/CoreStartup.cs
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@@ -2,6 +2,7 @@ using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Routing;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Microsoft.OpenApi.Models;
using Moonlight.ApiServer.Configuration;
using Moonlight.ApiServer.Database;
@@ -11,7 +12,10 @@ using Moonlight.ApiServer.Interfaces;
using Moonlight.ApiServer.Models;
using Moonlight.ApiServer.Plugins;
using Moonlight.ApiServer.Services;
using OpenTelemetry.Logs;
using OpenTelemetry.Metrics;
using OpenTelemetry.Resources;
using OpenTelemetry.Trace;
namespace Moonlight.ApiServer.Implementations.Startup;
@@ -64,22 +68,56 @@ public class CoreStartup : IPluginStartup
#region Prometheus
if (configuration.Metrics.Enable)
if (configuration.OpenTelemetry.Enable)
{
builder.Services.AddSingleton<MetricsBackgroundService>();
builder.Services.AddHostedService(sp => sp.GetRequiredService<MetricsBackgroundService>());
var openTel = builder.Services.AddOpenTelemetry();
var openTelConfig = configuration.OpenTelemetry;
builder.Services.AddSingleton<IMetric, ApplicationMetric>();
builder.Services.AddSingleton<IMetric, UsersMetric>();
var resourceBuilder = ResourceBuilder.CreateDefault();
resourceBuilder.AddService(serviceName: "moonlight");
builder.Services.AddOpenTelemetry()
.WithMetrics(providerBuilder =>
openTel.ConfigureResource(x => x.AddService(serviceName: "moonlight"));
if (openTelConfig.Metrics.Enable)
{
builder.Services.AddSingleton<MetricsBackgroundService>();
builder.Services.AddHostedService(sp => sp.GetRequiredService<MetricsBackgroundService>());
builder.Services.AddSingleton<IMetric, ApplicationMetric>();
builder.Services.AddSingleton<IMetric, UsersMetric>();
openTel.WithMetrics(providerBuilder =>
{
providerBuilder.AddPrometheusExporter();
providerBuilder.AddAspNetCoreInstrumentation();
providerBuilder.AddOtlpExporter();
if (openTelConfig.Metrics.EnablePrometheus)
providerBuilder.AddPrometheusExporter();
providerBuilder.AddMeter("moonlight");
});
}
if (openTelConfig.Logs.Enable)
{
openTel.WithLogging();
builder.Logging.AddOpenTelemetry(options =>
{
options.SetResourceBuilder(resourceBuilder);
options.AddOtlpExporter();
});
}
if (openTelConfig.Traces.Enable)
{
openTel.WithTracing(providerBuilder =>
{
providerBuilder.AddAspNetCoreInstrumentation();
providerBuilder.AddOtlpExporter();
});
}
}
#endregion
@@ -110,7 +148,7 @@ public class CoreStartup : IPluginStartup
#region Prometheus
if (configuration.Metrics.Enable)
if (configuration.OpenTelemetry is { Enable: true, Metrics.EnablePrometheus: true })
app.UseOpenTelemetryPrometheusScrapingEndpoint();
#endregion