1 files changed, 40 insertions, 0 deletions
diff --git a/vendor/open-telemetry/sdk/Resource/Detectors/Environment.php b/vendor/open-telemetry/sdk/Resource/Detectors/Environment.php
new file mode 100644
index 000000000..ceee8fcf7
--- /dev/null
+++ b/vendor/open-telemetry/sdk/Resource/Detectors/Environment.php
@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenTelemetry\SDK\Resource\Detectors;
+
+use OpenTelemetry\SDK\Common\Attribute\Attributes;
+use OpenTelemetry\SDK\Common\Configuration\Configuration;
+use OpenTelemetry\SDK\Common\Configuration\Variables;
+use OpenTelemetry\SDK\Resource\ResourceDetectorInterface;
+use OpenTelemetry\SDK\Resource\ResourceInfo;
+use OpenTelemetry\SemConv\ResourceAttributes;
+
+/**
+ * @see https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/resource/sdk.md#specifying-resource-information-via-an-environment-variable
+ */
+final class Environment implements ResourceDetectorInterface
+{
+    public function getResource(): ResourceInfo
+    {
+        $attributes = Configuration::has(Variables::OTEL_RESOURCE_ATTRIBUTES)
+            ? self::decode(Configuration::getMap(Variables::OTEL_RESOURCE_ATTRIBUTES, []))
+            : [];
+
+        //@see https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/configuration/sdk-environment-variables.md#general-sdk-configuration
+        $serviceName = Configuration::has(Variables::OTEL_SERVICE_NAME)
+            ? Configuration::getString(Variables::OTEL_SERVICE_NAME)
+            : null;
+        if ($serviceName) {
+            $attributes[ResourceAttributes::SERVICE_NAME] = $serviceName;
+        }
+
+        return ResourceInfo::create(Attributes::create($attributes), ResourceAttributes::SCHEMA_URL);
+    }
+
+    private static function decode(array $attributes): array
+    {
+        return array_map('urldecode', $attributes);
+    }
+}