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<?php
declare(strict_types=1);
namespace OpenTelemetry\Contrib\Otlp;
use Opentelemetry\Proto\Collector\Logs\V1\ExportLogsServiceRequest;
use Opentelemetry\Proto\Common\V1\InstrumentationScope;
use Opentelemetry\Proto\Common\V1\KeyValue;
use Opentelemetry\Proto\Logs\V1\LogRecord;
use Opentelemetry\Proto\Logs\V1\ResourceLogs;
use Opentelemetry\Proto\Logs\V1\ScopeLogs;
use Opentelemetry\Proto\Resource\V1\Resource as Resource_;
use OpenTelemetry\SDK\Common\Attribute\AttributesInterface;
use OpenTelemetry\SDK\Common\Instrumentation\InstrumentationScopeInterface;
use OpenTelemetry\SDK\Logs\ReadableLogRecord;
use OpenTelemetry\SDK\Resource\ResourceInfo;
class LogsConverter
{
private ProtobufSerializer $serializer;
public function __construct(?ProtobufSerializer $serializer = null)
{
$this->serializer = $serializer ?? ProtobufSerializer::getDefault();
}
/**
* @param iterable<ReadableLogRecord> $logs
* @psalm-suppress InvalidArgument
*/
public function convert(iterable $logs): ExportLogsServiceRequest
{
$pExportLogsServiceRequest = new ExportLogsServiceRequest();
$scopeLogs = [];
$resourceLogs = [];
$resourceCache = [];
$scopeCache = [];
foreach ($logs as $log) {
$resource = $log->getResource();
$instrumentationScope = $log->getInstrumentationScope();
$resourceId = $resourceCache[spl_object_id($resource)] ??= serialize([
$resource->getSchemaUrl(),
$resource->getAttributes()->toArray(),
$resource->getAttributes()->getDroppedAttributesCount(),
]);
$instrumentationScopeId = $scopeCache[spl_object_id($instrumentationScope)] ??= serialize([
$instrumentationScope->getName(),
$instrumentationScope->getVersion(),
$instrumentationScope->getSchemaUrl(),
$instrumentationScope->getAttributes()->toArray(),
$instrumentationScope->getAttributes()->getDroppedAttributesCount(),
]);
if (($pResourceLogs = $resourceLogs[$resourceId] ?? null) === null) {
/** @psalm-suppress InvalidArgument */
$pExportLogsServiceRequest->getResourceLogs()[]
= $resourceLogs[$resourceId]
= $pResourceLogs
= $this->convertResourceLogs($resource);
}
if (($pScopeLogs = $scopeLogs[$resourceId][$instrumentationScopeId] ?? null) === null) {
$pResourceLogs->getScopeLogs()[]
= $scopeLogs[$resourceId][$instrumentationScopeId]
= $pScopeLogs
= $this->convertInstrumentationScope($instrumentationScope);
}
$pScopeLogs->getLogRecords()[] = $this->convertLogRecord($log);
}
return $pExportLogsServiceRequest;
}
private function convertLogRecord(ReadableLogRecord $record): LogRecord
{
$pLogRecord = new LogRecord();
$pLogRecord->setBody(AttributesConverter::convertAnyValue($record->getBody()));
$pLogRecord->setTimeUnixNano($record->getTimestamp() ?? 0);
$pLogRecord->setObservedTimeUnixNano($record->getObservedTimestamp() ?? 0);
$spanContext = $record->getSpanContext();
if ($spanContext !== null && $spanContext->isValid()) {
$pLogRecord->setTraceId($this->serializer->serializeTraceId($spanContext->getTraceIdBinary()));
$pLogRecord->setSpanId($this->serializer->serializeSpanId($spanContext->getSpanIdBinary()));
$pLogRecord->setFlags($spanContext->getTraceFlags());
}
$severityNumber = $record->getSeverityNumber();
if ($severityNumber !== null) {
$pLogRecord->setSeverityNumber($severityNumber);
}
$severityText = $record->getSeverityText();
if ($severityText !== null) {
$pLogRecord->setSeverityText($severityText);
}
$this->setAttributes($pLogRecord, $record->getAttributes());
$pLogRecord->setDroppedAttributesCount($record->getAttributes()->getDroppedAttributesCount());
return $pLogRecord;
}
private function convertInstrumentationScope(InstrumentationScopeInterface $instrumentationScope): ScopeLogs
{
$pScopeLogs = new ScopeLogs();
$pInstrumentationScope = new InstrumentationScope();
$pInstrumentationScope->setName($instrumentationScope->getName());
$pInstrumentationScope->setVersion((string) $instrumentationScope->getVersion());
$this->setAttributes($pInstrumentationScope, $instrumentationScope->getAttributes());
$pInstrumentationScope->setDroppedAttributesCount($instrumentationScope->getAttributes()->getDroppedAttributesCount());
$pScopeLogs->setScope($pInstrumentationScope);
$pScopeLogs->setSchemaUrl((string) $instrumentationScope->getSchemaUrl());
return $pScopeLogs;
}
private function convertResourceLogs(ResourceInfo $resource): ResourceLogs
{
$pResourceLogs = new ResourceLogs();
$pResource = new Resource_();
$this->setAttributes($pResource, $resource->getAttributes());
$pResource->setDroppedAttributesCount($resource->getAttributes()->getDroppedAttributesCount());
$pResourceLogs->setResource($pResource);
return $pResourceLogs;
}
/**
* @param Resource_|LogRecord|InstrumentationScope $pElement
*/
private function setAttributes($pElement, AttributesInterface $attributes): void
{
foreach ($attributes as $key => $value) {
/** @psalm-suppress InvalidArgument */
$pElement->getAttributes()[] = (new KeyValue())
->setKey($key)
->setValue(AttributesConverter::convertAnyValue($value));
}
$pElement->setDroppedAttributesCount($attributes->getDroppedAttributesCount());
}
}
|
