65 lines
2.0 KiB
PHP
65 lines
2.0 KiB
PHP
<?php
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declare(strict_types=1);
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require __DIR__ . '/../vendor/autoload.php';
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use OpenTelemetry\Contrib\Otlp\Exporter as OTLPExporter;
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use OpenTelemetry\Sdk\Trace\Attributes;
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use OpenTelemetry\Sdk\Trace\Clock;
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use OpenTelemetry\Sdk\Trace\Sampler\AlwaysOnSampler;
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use OpenTelemetry\Sdk\Trace\SamplingResult;
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use OpenTelemetry\Sdk\Trace\SpanProcessor\SimpleSpanProcessor;
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use OpenTelemetry\Sdk\Trace\TracerProvider;
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use OpenTelemetry\Trace as API;
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$sampler = new AlwaysOnSampler();
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$samplingResult = $sampler->shouldSample(
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null,
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md5((string) microtime(true)),
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substr(md5((string) microtime(true)), 16),
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'io.opentelemetry.example',
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API\SpanKind::KIND_INTERNAL
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);
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$Exporter = new OTLPExporter(
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'OTLP Example Service'
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);
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if (SamplingResult::RECORD_AND_SAMPLED === $samplingResult->getDecision()) {
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echo 'Starting OTLPExample';
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$tracer = (new TracerProvider())
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->addSpanProcessor(new SimpleSpanProcessor($Exporter))
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->getTracer('io.opentelemetry.contrib.php');
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for ($i = 0; $i < 5; $i++) {
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// start a span, register some events
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$timestamp = Clock::get()->timestamp();
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$span = $tracer->startAndActivateSpan('session.generate.span.' . microtime(true));
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$spanParent = $span->getParent();
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echo sprintf(
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PHP_EOL . 'Exporting Trace: %s, Parent: %s, Span: %s',
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$span->getContext()->getTraceId(),
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$spanParent ? $spanParent->getSpanId() : 'None',
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$span->getContext()->getSpanId()
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);
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$span->setAttribute('remote_ip', '1.2.3.4')
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->setAttribute('country', 'USA');
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$span->addEvent('found_login' . $i, $timestamp, new Attributes([
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'id' => $i,
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'username' => 'otuser' . $i,
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]));
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$span->addEvent('generated_session', $timestamp, new Attributes([
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'id' => md5((string) microtime(true)),
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]));
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$tracer->endActiveSpan();
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}
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echo PHP_EOL . 'OTLPExample complete! ';
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} else {
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echo PHP_EOL . 'OTLPExample tracing is not enabled';
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}
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echo PHP_EOL;
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