49 lines
1.7 KiB
PHP
49 lines
1.7 KiB
PHP
<?php
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declare(strict_types=1);
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use OpenTelemetry\API\Logs\Severity;
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use OpenTelemetry\SDK\Common\Attribute\Attributes;
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use OpenTelemetry\SDK\Common\Instrumentation\InstrumentationScopeFactory;
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use OpenTelemetry\SDK\Logs\EventLoggerProvider;
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use OpenTelemetry\SDK\Logs\Exporter\ConsoleExporterFactory;
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use OpenTelemetry\SDK\Logs\LoggerProvider;
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use OpenTelemetry\SDK\Logs\Processor\SimpleLogRecordProcessor;
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use OpenTelemetry\SDK\Trace\TracerProvider;
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require __DIR__ . '/../../vendor/autoload.php';
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/**
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* Example of logging used in conjunction with tracing. The trace id and span id
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* will be injected into the logged record.
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* Note that logging output is human-readable JSON, and is not compatible with the
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* OTEL format.
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*/
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$loggerProvider = new LoggerProvider(
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new SimpleLogRecordProcessor(
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(new ConsoleExporterFactory())->create()
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),
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new InstrumentationScopeFactory(Attributes::factory())
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);
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$eventLoggerProvider = new EventLoggerProvider($loggerProvider);
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$tracerProvider = new TracerProvider();
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$tracer = $tracerProvider->getTracer('demo-tracer');
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//start and activate a span
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$span = $tracer->spanBuilder('root')->startSpan();
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$scope = $span->activate();
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echo 'Trace id: ' . $span->getContext()->getTraceId() . PHP_EOL;
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echo 'Span id: ' . $span->getContext()->getSpanId() . PHP_EOL;
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//get an event logger, and emit an event. The active context (trace id + span id) will be
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//attached to the log record
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$eventLogger = $eventLoggerProvider->getEventLogger('demo', '1.0', 'http://schema.url', ['foo' => 'bar']);
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$payload = ['foo' => 'bar', 'baz' => 'bat', 'msg' => 'hello world'];
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$eventLogger->emit(name: 'foo', body: $payload, severityNumber: Severity::INFO);
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//end span
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$span->end();
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$scope->detach();
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