# _metrics_handler

URL: /pounce/api/_metrics_handler/
Section: api
Description: Built-in /metrics endpoint for Prometheus scraping.

Provides a lightweight ASGI app that serves metrics from a PrometheusCollector
at a configurable path (default: /metrics).

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Module

#
`_metrics_handler`

Built-in /metrics endpoint for Prometheus scraping.

Provides a lightweight ASGI app that serves metrics from a PrometheusCollector
at a configurable path (default: /metrics).

2Functions

## Functions

`create_metrics_app`

2

`Callable`

▼

Create an ASGI app that serves Prometheus metrics.

This wraps the user's ASGI …

`def create_metrics_app(collector: PrometheusCollector, metrics_path: str = '/metrics') -> Callable`

Create an ASGI app that serves Prometheus metrics.

This wraps the user's ASGI app and intercepts requests to the metrics
path, serving Prometheus text format metrics from the collector.

##### Parameters

Name
Type
Description

`collector`
`PrometheusCollector (/pounce/api/metrics/#PrometheusCollector)`

PrometheusCollector instance with metrics

`metrics_path`
`str`

Path to serve metrics at (default: "/metrics")

Default:`'/metrics'`

##### Returns

`Callable`

`wrap_app_with_metrics`

3

`Callable`

▼

Wrap an ASGI app to intercept metrics requests.

Requests to `metrics_path` are…

`def wrap_app_with_metrics(app: Callable, collector: PrometheusCollector, metrics_path: str = '/metrics') -> Callable`

Wrap an ASGI app to intercept metrics requests.

Requests to`metrics_path`are handled by the metrics handler.
All other requests are passed to the original app.

##### Parameters

Name
Type
Description

`app`
`Callable`

Original ASGI app

`collector`
`PrometheusCollector (/pounce/api/metrics/#PrometheusCollector)`

PrometheusCollector instance

`metrics_path`
`str`

Path to serve metrics at

Default:`'/metrics'`

##### Returns

`Callable`