Sponsor
Identify the source of telemetry data. Resources describe the entity producing telemetry (service name, host, environment) and can combine auto-detected system attributes with custom metadata.
Examples
Telemetry
Description
Documentation
- Telemetry Library
- OTLP Bridge - Export telemetry data to OpenTelemetry Protocol backends
- PSR-18 Telemetry Bridge - HTTP client instrumentation for telemetry
- PSR-7 Telemetry Bridge - HTTP message telemetry formatting
- Monolog Telemetry Bridge - Integrate telemetry with Monolog logging
- Symfony HttpFoundation Telemetry - Telemetry events for Symfony HTTP requests
- Symfony Telemetry Bundle - Symfony bundle for telemetry integration
Code
<?php
declare(strict_types=1);
use Flow\Telemetry\Tracer\SpanKind;
use Flow\Telemetry\Tracer\SpanStatus;
use function Flow\Telemetry\DSL\{
console_exporter,
memory_context_storage,
memory_span_processor,
resource,
resource_detector,
telemetry,
tracer_provider
};
use function Flow\ETL\DSL\clock;
require __DIR__ . '/vendor/autoload.php';
// Detect system resource attributes (OS, host, process, service)
$detected = resource_detector()->detect();
// Add custom attributes that override or extend detected values
$custom = resource([
'deployment.environment.name' => 'production',
'service.instance.id' => 'worker-01',
'service.namespace' => 'order-processing',
]);
// Merge resources (custom attributes take precedence)
$combinedResource = $detected->merge($custom);
$telemetry = telemetry(
$combinedResource,
tracer_provider(
memory_span_processor(console_exporter(colors: false)),
clock(),
memory_context_storage(),
),
)->registerShutdownFunction();
$tracer = $telemetry->tracer('order-service');
$span = $tracer->span('process-order', SpanKind::INTERNAL);
$span->setAttribute('order.id', 'ORD-12345');
$span->setStatus(SpanStatus::ok());
$tracer->complete($span);
