@azure/monitor-opentelemetry
Version:
Azure Monitor OpenTelemetry (Node.js)
63 lines • 2.13 kB
JavaScript
;
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
Object.defineProperty(exports, "__esModule", { value: true });
exports.AzureLogRecordProcessor = void 0;
const api_1 = require("@opentelemetry/api");
const index_js_1 = require("../shared/logging/index.js");
const genaiAttributes_js_1 = require("../utils/genaiAttributes.js");
/**
* Azure Monitor LogRecord Processor.
* @internal
*/
class AzureLogRecordProcessor {
_metricHandler;
constructor(metricHandler) {
this._metricHandler = metricHandler;
}
onEmit(logRecord, context) {
try {
this._propagateMainAgentAttributesFromActiveSpan(logRecord, context);
}
catch (error) {
index_js_1.Logger.getInstance().warn("Error while propagating main agent attributes onEmit", error);
}
try {
this._metricHandler.recordLog(logRecord);
}
catch (error) {
index_js_1.Logger.getInstance().warn("Error while recording log", error);
}
}
_propagateMainAgentAttributesFromActiveSpan(logRecord, context) {
if (!context) {
return;
}
const span = api_1.trace.getSpan(context);
if (!span) {
return;
}
// The Span returned by trace.getSpan may be a non-recording span or a
// foreign implementation that does not expose `attributes`.
const spanAttributes = span.attributes;
if (!spanAttributes) {
return;
}
// Copy only the spec-defined main-agent attributes rather than scanning
// every attribute on the span by prefix.
for (const key of genaiAttributes_js_1.MAIN_AGENT_TARGET_ATTRIBUTES) {
const value = spanAttributes[key];
if (value !== undefined) {
logRecord.setAttribute(key, value);
}
}
}
forceFlush() {
return Promise.resolve();
}
shutdown() {
return Promise.resolve();
}
}
exports.AzureLogRecordProcessor = AzureLogRecordProcessor;
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