tbachert/otel-sdk

OpenTelemetry SDK

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Type:metapackage

dev-main / 0.1.x-dev 2024-05-05 17:14 UTC

This package is auto-updated.

Last update: 2024-12-06 22:32:33 UTC


README

Asynchronous OpenTelemetry SDK based on Revolt.

This metapackage contains the basic components that are required for creating traces/metrics/logs through the official OpenTelemetry API and sending them to an OTLP/HTTP compatible collector1. Additional components (e.g. resource detectors, non-OTLP exporters) can be installed as separate packages.

Projects using ReactPHP libraries can use this SDK together with revolt/event-loop-adapter-react.

Installation

composer require tbachert/otel-sdk

Usage

Refer to the official OpenTelemetry documentation for general usage of the OpenTelemetry API.

Manual SDK initialization

$resource = Resource::detect()
    ->merge(Resource::create(['foo' => 'bar']));

$tracerProvider = (new TracerProviderBuilder())
    ->addResource($resource)
    ->addSpanProcessor(new BatchSpanProcessor(new OtlpStreamSpanExporter(getStdout())))
    ->build($logger);
$meterProvider = (new MeterProviderBuilder())
    ->addResource($resource)
    ->addMetricReader(new PeriodicExportingMetricReader(new OtlpStreamMetricExporter(getStdout())))
    ->build($logger);
$loggerProvider = (new LoggerProviderBuilder())
    ->addResource($resource)
    ->addLogRecordProcessor(new BatchLogRecordProcessor(new OtlpStreamLogRecordExporter(getStdout())))
    ->build($logger);
awaitAll([
    async($tracerProvider->shutdown(...)),
    async($meterProvider->shutdown(...)),
    async($loggerProvider->shutdown(...)),
]);

Initialization from configuration file

$result = Config::loadFile(__DIR__ . '/kitchen-sink.yaml');

Initialization from environment variables

See also PHP SDK configuration.

$result = Env::load();