AzuTear
69 lines
2.6 KiB
C#
69 lines
2.6 KiB
C#
using System.Diagnostics;
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using Nexus.Api.Observability;
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using Npgsql;
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using OpenTelemetry;
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using OpenTelemetry.Exporter;
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using OpenTelemetry.Metrics;
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using OpenTelemetry.Resources;
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using OpenTelemetry.Trace;
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namespace Nexus.Api.Extensions;
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public static class PlatformServiceCollectionExtensions
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{
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/// <summary>
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/// Registers the canonical OpenAPI document and privacy-safe telemetry.
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/// OTLP export is opt-in; without an endpoint Nexus keeps only in-process
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/// instrumentation and does not add a production telemetry service.
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/// </summary>
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public static IServiceCollection AddNexusPlatform(
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this IServiceCollection services,
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IConfiguration configuration)
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{
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services.AddOpenApi("v1");
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services.AddProblemDetails(options =>
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{
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options.CustomizeProblemDetails = context =>
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{
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context.ProblemDetails.Extensions["traceId"] =
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Activity.Current?.Id ?? context.HttpContext.TraceIdentifier;
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};
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});
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var telemetry = services.AddOpenTelemetry()
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.ConfigureResource(resource => resource.AddService(
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serviceName: "nexus-api",
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serviceVersion: typeof(Program).Assembly.GetName().Version?.ToString()))
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.WithMetrics(metrics => metrics
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.AddAspNetCoreInstrumentation()
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.AddHttpClientInstrumentation()
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.AddRuntimeInstrumentation()
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.AddMeter(NexusTelemetry.SourceName))
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.WithTracing(tracing => tracing
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.AddAspNetCoreInstrumentation(options =>
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{
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// Exception messages and stack traces may contain prompts,
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// paths or other operator content.
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options.RecordException = false;
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options.Filter = context =>
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!context.Request.Path.StartsWithSegments("/health");
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})
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.AddHttpClientInstrumentation(options =>
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{
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options.RecordException = false;
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})
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.AddNpgsql()
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.AddSource(NexusTelemetry.SourceName)
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.AddProcessor(new NexusTelemetryRedactionProcessor()));
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var endpointValue = configuration["OpenTelemetry:OtlpEndpoint"]
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?? Environment.GetEnvironmentVariable("OTEL_EXPORTER_OTLP_ENDPOINT");
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if (Uri.TryCreate(endpointValue, UriKind.Absolute, out var endpoint))
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{
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telemetry.UseOtlpExporter(OtlpExportProtocol.Grpc, endpoint);
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}
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return services;
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}
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}
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