opentelemetry-php/examples/JaegerExporterExample.php

52 lines
1.5 KiB
PHP

<?php
declare(strict_types=1);
require __DIR__ . '/../vendor/autoload.php';
use OpenTelemetry\Sdk\Trace\AlwaysOnSampler;
use OpenTelemetry\Sdk\Trace\Attributes;
use OpenTelemetry\Sdk\Trace\JaegerExporter;
use OpenTelemetry\Sdk\Trace\SimpleSpanProcessor;
use OpenTelemetry\Sdk\Trace\TracerProvider;
$sampler = (new AlwaysOnSampler())->shouldSample();
$exporter = new JaegerExporter(
'jaegerExporterExample',
'http://jaeger:9412/api/v2/spans'
);
if ($sampler) {
echo 'Starting JaegerExporterExample';
$tracer = (TracerProvider::getInstance(
[new SimpleSpanProcessor($exporter)]
))
->getTracer('io.opentelemetry.contrib.php');
echo PHP_EOL . sprintf('Trace with id %s started ', $tracer->getActiveSpan()->getContext()->getTraceId());
for ($i = 0; $i < 5; $i++) {
// start a span, register some events
$span = $tracer->startAndActivateSpan('session.generate.span' . time());
$tracer->setActiveSpan($span);
$span->setAttribute('remote_ip', '1.2.3.4')
->setAttribute('country', 'USA');
$span->addEvent('found_login' . $i, new Attributes([
'id' => $i,
'username' => 'otuser' . $i,
]));
$span->addEvent('generated_session', new Attributes([
'id' => md5((string) microtime(true)),
]));
$tracer->endActiveSpan();
}
echo PHP_EOL . 'JaegerExporterExample complete! See the results at http://localhost:16686/';
} else {
echo PHP_EOL . 'Sampling is not enabled';
}
echo PHP_EOL;