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Merge pull request #41 from prom-client-net/test/units
test: add units
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| using System; | ||
| using Prometheus.Client.Collectors; | ||
| using Microsoft.AspNetCore.Builder; | ||
| using Microsoft.AspNetCore.Http; | ||
|
|
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| namespace Prometheus.Client.AspNetCore; | ||
|
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| /// <summary> | ||
| /// PrometheusExtensions | ||
| /// </summary> | ||
| public static class ApplicationBuilderExtensions | ||
| { | ||
| /// <summary> | ||
| /// Add PrometheusServer request execution pipeline. | ||
| /// </summary> | ||
| public static IApplicationBuilder UsePrometheusServer(this IApplicationBuilder app) | ||
| { | ||
| return UsePrometheusServer(app, null); | ||
| } | ||
|
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| /// <summary> | ||
| /// Add PrometheusServer request execution pipeline. | ||
| /// </summary> | ||
| public static IApplicationBuilder UsePrometheusServer(this IApplicationBuilder app, Action<PrometheusOptions> setupOptions) | ||
| { | ||
| if (app == null) | ||
| throw new ArgumentNullException(nameof(app)); | ||
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| var options = new PrometheusOptions | ||
| { | ||
| CollectorRegistryInstance = (ICollectorRegistry)app.ApplicationServices.GetService(typeof(ICollectorRegistry)) ?? Metrics.DefaultCollectorRegistry | ||
| }; | ||
|
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| setupOptions?.Invoke(options); | ||
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| if (!options.MapPath.StartsWith("/")) | ||
| options.MapPath = "/" + options.MapPath; | ||
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| if (options.UseDefaultCollectors) | ||
| { | ||
| #pragma warning disable CS0618 | ||
| if (options.AddLegacyMetrics) | ||
| options.CollectorRegistryInstance.UseDefaultCollectors(options.MetricPrefixName, options.AddLegacyMetrics); | ||
| else | ||
| options.CollectorRegistryInstance.UseDefaultCollectors(options.MetricPrefixName); | ||
| #pragma warning restore CS0618 | ||
| } | ||
|
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| var contentType = options.ResponseEncoding != null | ||
| ? $"{Defaults.ContentType}; charset={options.ResponseEncoding.BodyName}" | ||
| : Defaults.ContentType; | ||
|
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| void AddMetricsHandler(IApplicationBuilder coreapp) | ||
| { | ||
| coreapp.Run(async context => | ||
| { | ||
| var response = context.Response; | ||
|
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| response.ContentType = contentType; | ||
|
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| using var outputStream = response.Body; | ||
| await ScrapeHandler.ProcessAsync(options.CollectorRegistryInstance, outputStream); | ||
| }); | ||
| } | ||
|
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| if (options.Port == null) | ||
| return app.Map(options.MapPath, AddMetricsHandler); | ||
|
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| bool PortMatches(HttpContext context) => context.Connection.LocalPort == options.Port; | ||
| return app.Map(options.MapPath, cfg => cfg.MapWhen(PortMatches, AddMetricsHandler)); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| namespace Prometheus.Client.AspNetCore; | ||
|
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| internal static class Defaults | ||
| { | ||
| internal const string MapPath = "/metrics"; | ||
| internal const string ContentType = "text/plain; version=0.0.4"; | ||
| } |
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