77 lines
2.8 KiB
PHP
77 lines
2.8 KiB
PHP
<?php
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declare(strict_types=1);
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namespace OpenTelemetry\SDK;
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use InvalidArgumentException;
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use OpenTelemetry\API\Globals;
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use OpenTelemetry\API\Instrumentation\Configurator;
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use OpenTelemetry\SDK\Common\Configuration\Configuration;
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use OpenTelemetry\SDK\Common\Configuration\Variables;
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use OpenTelemetry\SDK\Common\Util\ShutdownHandler;
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use OpenTelemetry\SDK\Logs\LoggerProviderFactory;
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use OpenTelemetry\SDK\Metrics\MeterProviderFactory;
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use OpenTelemetry\SDK\Propagation\PropagatorFactory;
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use OpenTelemetry\SDK\Trace\ExporterFactory;
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use OpenTelemetry\SDK\Trace\SamplerFactory;
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use OpenTelemetry\SDK\Trace\SpanProcessorFactory;
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use OpenTelemetry\SDK\Trace\TracerProviderBuilder;
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class SdkAutoloader
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{
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private static ?bool $enabled = null;
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public static function autoload(): bool
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{
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try {
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self::$enabled ??= Configuration::getBoolean(Variables::OTEL_PHP_AUTOLOAD_ENABLED);
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} catch (InvalidArgumentException $e) {
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//invalid setting, assume false
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self::$enabled = false;
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}
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if (!self::$enabled) {
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return false;
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}
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Globals::registerInitializer(function (Configurator $configurator) {
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$propagator = (new PropagatorFactory())->create();
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if (Sdk::isDisabled()) {
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//@see https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/configuration/sdk-environment-variables.md#general-sdk-configuration
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return $configurator->withPropagator($propagator);
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}
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$emitMetrics = Configuration::getBoolean(Variables::OTEL_PHP_INTERNAL_METRICS_ENABLED);
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$exporter = (new ExporterFactory())->create();
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$meterProvider = (new MeterProviderFactory())->create();
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$spanProcessor = (new SpanProcessorFactory())->create($exporter, $emitMetrics ? $meterProvider : null);
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$tracerProvider = (new TracerProviderBuilder())
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->addSpanProcessor($spanProcessor)
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->setSampler((new SamplerFactory())->create())
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->build();
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$loggerProvider = (new LoggerProviderFactory())->create($emitMetrics ? $meterProvider : null);
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ShutdownHandler::register([$tracerProvider, 'shutdown']);
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ShutdownHandler::register([$meterProvider, 'shutdown']);
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ShutdownHandler::register([$loggerProvider, 'shutdown']);
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return $configurator
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->withTracerProvider($tracerProvider)
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->withMeterProvider($meterProvider)
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->withLoggerProvider($loggerProvider)
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->withPropagator($propagator)
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;
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});
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return true;
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}
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/**
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* @internal
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*/
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public static function reset(): void
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{
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self::$enabled = null;
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}
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}
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