Example Updated

Author: riticksingh

composer.json

@@ -34,7 +34,12 @@
             "OpenTelemetry\\": "api",
             "OpenTelemetry\\Sdk\\": "sdk",
             "OpenTelemetry\\Contrib\\": "contrib",
-            "Opentelemetry\\Proto\\Collector\\Trace\\V1\\": "proto/Opentelemetry/Proto/Collector/Trace/V1"
+            "Opentelemetry\\Proto\\Collector\\Trace\\V1\\": "proto/Opentelemetry/Proto/Collector/Trace/V1",
+            "Opentelemetry\\Proto\\Trace\\V1\\":"proto/Opentelemetry/Proto/Trace/V1",
+            "GPBMetadata\\Opentelemetry\\Proto\\Collector\\Trace\\V1\\": "proto/GPBMetadata/Opentelemetry/Proto/Collector/Trace/V1",
+            "GPBMetadata\\Opentelemetry\\Proto\\Trace\\V1\\":"proto/GPBMetadata/Opentelemetry/Proto/Trace/V1",
+            "GPBMetadata\\Opentelemetry\\Proto\\Common\\V1\\":"proto/GPBMetadata/Opentelemetry/Proto/Common/V1",
+            "GPBMetadata\\Opentelemetry\\Proto\\Resource\\V1\\":"proto/GPBMetadata/Opentelemetry/Proto/Resource/V1"
         }
     },
     "autoload-dev": {

contrib/OtlpGrpc/Exporter.php

@@ -2,7 +2,7 @@
 
 declare(strict_types=1);
 namespace OpenTelemetry\Contrib\OtlpGrpc;
-require __DIR__ . '/../../vendor/autoload.php';
+//require __DIR__ . '/../../vendor/autoload.php';
 
 
 use grpc;
@@ -80,7 +80,7 @@ public function __construct(
         $this->compression = getenv('OTEL_EXPORTER_OTLP_COMPRESSION') ?: 'none';
         $this->timeout =(int) getenv('OTEL_EXPORTER_OTLP_TIMEOUT') ?: 10;
 
-        $this->client = $client ?? new V1\TraceServiceClient($endpointURL, [
+        $this->client = $client ?? new V1\TraceServiceClient($this->endpointURL, [
         'credentials' => Grpc\ChannelCredentials::createInsecure(),
     ]);
         $this->spanConverter = new SpanConverter($serviceName);

contrib/OtlpGrpc/SpanConverter.php

@@ -4,7 +4,8 @@
 
 namespace OpenTelemetry\Contrib\OtlpGrpc;
 
-use OpenTelemetry\Trace\Span;
+//use OpenTelemetry\Trace\Span;
+use Opentelemetry\Proto\Trace\V1\InstrumentationLibrarySpans as Span;
 
 class SpanConverter
 {

examples/AlwaysOnOTLPGrpcExample.php

@@ -0,0 +1,64 @@
+<?php
+
+declare(strict_types=1);
+require __DIR__ . '/../vendor/autoload.php';
+
+use OpenTelemetry\Contrib\OtlpGrpc\Exporter as OTLPExporter;
+use OpenTelemetry\Sdk\Trace\Attributes;
+use OpenTelemetry\Sdk\Trace\Clock;
+use OpenTelemetry\Sdk\Trace\Sampler\AlwaysOnSampler;
+use OpenTelemetry\Sdk\Trace\SamplingResult;
+use OpenTelemetry\Sdk\Trace\SpanProcessor\SimpleSpanProcessor;
+use OpenTelemetry\Sdk\Trace\TracerProvider;
+use OpenTelemetry\Trace as API;
+
+$sampler = new AlwaysOnSampler();
+$samplingResult = $sampler->shouldSample(
+    null,
+    md5((string) microtime(true)),
+    substr(md5((string) microtime(true)), 16),
+    'io.opentelemetry.example',
+    API\SpanKind::KIND_INTERNAL
+);
+$Exporter = new OTLPExporter(
+    'OTLP Grpc Example Service'
+);
+
+if (SamplingResult::RECORD_AND_SAMPLED === $samplingResult->getDecision()) {
+    echo 'Starting OTLPGrpcExample';
+    $tracer = (new TracerProvider())
+        ->addSpanProcessor(new SimpleSpanProcessor($Exporter))
+        ->getTracer('io.opentelemetry.contrib.php');
+
+    for ($i = 0; $i < 5; $i++) {
+        // start a span, register some events
+        $timestamp = Clock::get()->timestamp();
+        $span = $tracer->startAndActivateSpan('session.generate.span.' . microtime(true));
+
+        $spanParent = $span->getParent();
+        echo sprintf(
+            PHP_EOL . 'Exporting Trace: %s, Parent: %s, Span: %s',
+            $span->getContext()->getTraceId(),
+            $spanParent ? $spanParent->getSpanId() : 'None',
+            $span->getContext()->getSpanId()
+        );
+
+        $span->setAttribute('remote_ip', '1.2.3.4')
+            ->setAttribute('country', 'USA');
+
+        $span->addEvent('found_login' . $i, $timestamp, new Attributes([
+            'id' => $i,
+            'username' => 'otuser' . $i,
+        ]));
+        $span->addEvent('generated_session', $timestamp, new Attributes([
+            'id' => md5((string) microtime(true)),
+        ]));
+
+        $tracer->endActiveSpan();
+    }
+    echo PHP_EOL . 'OTLPGrpcExample complete!  ';
+} else {
+    echo PHP_EOL . 'OTLPGrpcExample tracing is not enabled';
+}
+
+echo PHP_EOL;