support: add deps for opentelemetry

Signed-off-by: Victor Login <batazor@evrone.com>

internal/services/support/autoload_sdk.php

@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+putenv('OTEL_PHP_AUTOLOAD_ENABLED=true');
+putenv('OTEL_TRACES_EXPORTER=otlp');
+putenv('OTEL_EXPORTER_OTLP_PROTOCOL=grpc');
+putenv('OTEL_METRICS_EXPORTER=otlp');
+putenv('OTEL_EXPORTER_OTLP_METRICS_PROTOCOL=grpc');
+putenv('OTEL_EXPORTER_OTLP_ENDPOINT=http://grafana-tempo.grafana:4317');
+putenv('OTEL_PHP_TRACES_PROCESSOR=batch');
+putenv('OTEL_PROPAGATORS=b3,baggage,tracecontext');
+
+echo 'autoloading SDK example starting...' . PHP_EOL;
+
+// Composer autoloader will execute SDK/_autoload.php which will register global instrumentation from environment configuration
+require dirname(__DIR__) . '/vendor/autoload.php';
+
+$instrumentation = new \OpenTelemetry\API\Common\Instrumentation\CachedInstrumentation('shortlink-support');
+
+$instrumentation->tracer()->spanBuilder('root')->startSpan()->end();
+$instrumentation->meter()->createCounter('cnt')->add(1);
+
+echo 'Finished!' . PHP_EOL;

internal/services/support/composer.json

@@ -17,5 +17,19 @@
     "require-dev": {
         "behat/behat": "^3.12",
         "rector/rector": "^0.15.18"
+    },
+    "require": {
+        "open-telemetry/api": "^0.0.17",
+        "open-telemetry/sdk": "^0.0.17",
+        "symfony/http-client": "^6.2",
+        "guzzlehttp/promises": "^1.5",
+        "php-http/message-factory": "^1.0",
+        "nyholm/psr7": "^1.5",
+        "open-telemetry/sdk-contrib": "^0.0.17"
+    },
+    "config": {
+        "allow-plugins": {
+            "php-http/discovery": true
+        }
     }
 }