Add simple-jaeger.php

simple-jaeger.php

@@ -0,0 +1,37 @@
+<?php
+/*
+Plugin Name: SimpleJaeger
+Description: A plugin to integrate Jaeger tracing with WordPress
+Version: 1.0
+Author: colin
+*/
+
+require __DIR__ . '/vendor/autoload.php';
+
+use OpenTelemetry\Sdk\Trace\TracerProvider;
+use OpenTelemetry\Sdk\Trace\Exporter\JaegerExporter;
+use OpenTelemetry\Sdk\Trace\SpanProcessor\SimpleSpanProcessor;
+
+function init_simple_jaeger_tracing() {
+    $jaegerExporter = new JaegerExporter(
+        'JaegerExporter',
+        'http://localhost:14268/api/traces'
+    );
+
+    $tracerProvider = new TracerProvider(
+        new SimpleSpanProcessor($jaegerExporter)
+    );
+
+    $tracer = $tracerProvider->getTracer('io.opentelemetry.contrib.php');
+
+    $span = $tracer->spanBuilder('wordpress-request')->startSpan();
+    $scope = $span->activate();
+
+    $span->setAttribute('user', 'admin');
+
+    $span->end();
+    $scope->detach();
+    $tracerProvider->shutdown();
+}
+
+add_action('init', 'init_simple_jaeger_tracing');