applicationinsights
Version:
Microsoft Application Insights module for Node.js
107 lines • 5.71 kB
JavaScript
;
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT license.
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.AKSLoader = void 0;
const os = __importStar(require("os"));
const path = __importStar(require("path"));
const diagnosticLogger_1 = require("./diagnostics/diagnosticLogger");
const fileWriter_1 = require("./diagnostics/writers/fileWriter");
const statusLogger_1 = require("./diagnostics/statusLogger");
const agentLoader_1 = require("./agentLoader");
const exporter_metrics_otlp_proto_1 = require("@opentelemetry/exporter-metrics-otlp-proto");
const exporter_metrics_otlp_http_1 = require("@opentelemetry/exporter-metrics-otlp-http");
const sdk_metrics_1 = require("@opentelemetry/sdk-metrics");
const types_1 = require("./types");
class AKSLoader extends agentLoader_1.AgentLoader {
constructor() {
super();
if (this._canLoad) {
this._options.instrumentationOptions = Object.assign(Object.assign({}, this._options.instrumentationOptions), { console: { enabled: true }, bunyan: { enabled: true }, winston: { enabled: true } });
let statusLogDir = '/var/log/applicationinsights/';
if (this._isWindows) {
if (process.env.HOME) {
statusLogDir = path.join(process.env.HOME, "LogFiles", "ApplicationInsights", "status");
}
else {
statusLogDir = path.join(os.tmpdir(), "Microsoft", "ApplicationInsights", "StatusMonitor", "LogFiles", "ApplicationInsights", "status");
}
}
this._statusLogger = new statusLogger_1.StatusLogger(this._instrumentationKey, new fileWriter_1.FileWriter(statusLogDir, 'status_nodejs.json', {
append: false,
deleteOnExit: false,
renamePolicy: 'overwrite',
sizeLimit: 1024 * 1024,
}));
this._diagnosticLogger = new diagnosticLogger_1.DiagnosticLogger(this._instrumentationKey, new fileWriter_1.FileWriter(statusLogDir, 'applicationinsights-extension.log', {
append: true,
deleteOnExit: false,
renamePolicy: 'overwrite',
sizeLimit: 1024 * 1024, // 1 MB
}));
// Create metricReaders array and add OTLP reader if environment variables request it
try {
const metricReaders = [];
const metricsExporter = (process.env.OTEL_METRICS_EXPORTER || '').toLowerCase();
const exportersList = metricsExporter.split(',').map(exp => exp.trim());
const hasOtlpExporter = exportersList.includes('otlp');
if (hasOtlpExporter &&
(process.env.OTEL_EXPORTER_OTLP_ENDPOINT || process.env.OTEL_EXPORTER_OTLP_METRICS_ENDPOINT)) {
try {
// Determine which exporter to use based on protocol setting
const protocol = process.env.OTEL_EXPORTER_OTLP_METRICS_PROTOCOL ||
process.env.OTEL_EXPORTER_OTLP_PROTOCOL;
let otlpExporter;
if (protocol === 'http/json') {
otlpExporter = new exporter_metrics_otlp_http_1.OTLPMetricExporter();
}
else {
// Use protobuf for 'http/protobuf', 'grpc', or any other value
otlpExporter = new exporter_metrics_otlp_proto_1.OTLPMetricExporter();
}
const otlpMetricReader = new sdk_metrics_1.PeriodicExportingMetricReader({
exporter: otlpExporter,
exportIntervalMillis: types_1.OTLP_METRIC_EXPORTER_EXPORT_INTERVAL,
});
metricReaders.push(otlpMetricReader);
}
catch (error) {
console.warn("AKSLoader: Failed to create OTLP metric reader:", error);
}
}
// Attach metricReaders to the options so the distro can consume them
if ((metricReaders || []).length > 0) {
this._options.metricReaders = metricReaders;
}
}
catch (err) {
console.warn("AKSLoader: Error while preparing metricReaders:", err);
}
}
}
}
exports.AKSLoader = AKSLoader;
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