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Example code of ns3777k/prometheus-bundle

Informations about the package prometheus-bundle

Prometheus bundle

Build Status codecov

Requirements

Installing

There are 2 ways to install the bundle: automatically with flex or manually.

Using symfony flex

Manually

  1. Require the package:

  2. Register the bundle in config/bundles.php:

  3. Configure (see below)

Usage

Configuration

config/packages/ns3777k_prometheus.yaml:

To register the metrics route, add to config/routes.yaml:

or:

Builtin listener

By default the listener is turned on and collects only one histogram with request duration in seconds (request_duration_seconds) with 3 labels: code, method and route.

Histogram creates total and count metrics automatically.

Usually you don't wanna collect the metrics for routes like _wdt and metrics (that's the route for /metrics) and that's where listener.ignored_routes comes in.

Common PromQL queries for the listener:

Collect own metrics

Builtin listener covers only basic information about the request and response. You can use it to get top 10 requests, slow responses, calculate request rate and etc.

But most of the time you wanna collect your own metrics. It's easy to do using CollectorRegistryInterface (implemented by NamespacedCollectorRegistry).

Histogram example:

No worries about the namespace. It will be prepended automatically from the bundle's configuration.

Security

Remember that when you add /metrics route it becomes publicly available from the internet.

It's you job to restrict access to it (using nginx for example).

All versions of prometheus-bundle with dependencies

PHP Build Version
Package Version
Requires symfony/http-kernel Version ^4.3.0|^5.0.0
endclothing/prometheus_client_php Version ^1.0
php Version ^7.1
symfony/config Version ^4.3.0|^5.0.0
symfony/dependency-injection Version ^4.3.0|^5.0.0
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