TaskHub.Shared

TaskHub.Observability.Metrics.Implementation

Concrete metrics collection powered by prometheus-net.

Contents

• Usage Guide - Creating and recording custom metrics.

Summary

• Implementation of IMetricsService.
• Exposes /metrics endpoint for Prometheus.
• Automatic collection of runtime and HTTP metrics.

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This module provides the actual implementation for the metrics abstractions. It uses the prometheus-net library to manage metric state and exposure.

Features

• Prometheus Endpoint: Automatically maps the /metrics endpoint in the middleware pipeline.
• Http Metrics: Collects request duration, status codes, and path cardinality reduction.
• Custom Metrics: Implements ICounter, IGauge, and IHistogram using Prometheus primitives.

Usage

In FullHostBuilder, metrics are enabled by default:

builder.Services.AddAppMetrics(builder.Configuration.GetSection("Metrics").Bind);

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