Joseph Doherty
39 lines
1.6 KiB
C#
39 lines
1.6 KiB
C#
using ZB.MOM.WW.OtOpcUa.Commons.Observability;
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using ZB.MOM.WW.Telemetry;
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namespace ZB.MOM.WW.OtOpcUa.Host.Observability;
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/// <summary>
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/// Wires the OtOpcUa Meter + ActivitySource into OpenTelemetry and exposes a Prometheus
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/// scrape endpoint at <c>/metrics</c> on the host pipeline. F13d slice — only the meter +
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/// activity source declared in <see cref="OtOpcUaTelemetry"/> are surfaced; per-Akka
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/// internals + ASP.NET request metrics stay off by default to keep the scrape payload
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/// scoped to OtOpcUa-owned signals.
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/// </summary>
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public static class ObservabilityExtensions
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{
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/// <summary>Adds OtOpcUa observability (metrics and tracing) to the service collection.</summary>
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/// <param name="services">The service collection to add observability services to.</param>
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public static IServiceCollection AddOtOpcUaObservability(this IServiceCollection services)
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{
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return services.AddZbTelemetry(o =>
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{
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o.ServiceName = "otopcua";
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o.Meters = [OtOpcUaTelemetry.MeterName];
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o.ActivitySources = [OtOpcUaTelemetry.ActivitySourceName];
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});
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}
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/// <summary>
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/// Mounts the Prometheus scrape endpoint on the existing ASP.NET pipeline. Call after
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/// <c>app.UseAuthentication/UseAuthorization</c> if metrics access should require auth;
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/// the default leaves it unauthenticated for local Prometheus scrapes.
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/// </summary>
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/// <param name="app">The endpoint route builder.</param>
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public static IEndpointRouteBuilder MapOtOpcUaMetrics(this IEndpointRouteBuilder app)
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{
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app.MapZbMetrics();
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return app;
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}
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}
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