applicationinsights
Version:
Microsoft Application Insights module for Node.js
66 lines • 2.76 kB
JavaScript
;
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT license.
Object.defineProperty(exports, "__esModule", { value: true });
exports.JsonConfig = void 0;
const fs = require("fs");
const path = require("path");
const api_1 = require("@opentelemetry/api");
const ENV_CONFIGURATION_FILE = "APPLICATIONINSIGHTS_CONFIGURATION_FILE";
const ENV_CONTENT = "APPLICATIONINSIGHTS_CONFIGURATION_CONTENT";
class JsonConfig {
constructor() {
this._loadJsonFile();
}
static getInstance() {
if (!JsonConfig._instance) {
JsonConfig._instance = new JsonConfig();
}
return JsonConfig._instance;
}
_loadJsonFile() {
let jsonString = "";
const contentJsonConfig = process.env[ENV_CONTENT];
// JSON string added directly in env variable
if (contentJsonConfig) {
jsonString = contentJsonConfig;
}
// JSON file
else {
const configFileName = "applicationinsights.json";
const rootPath = path.join(__dirname, "../../../"); // Root of folder (__dirname = ../dist-esm/src)
let tempDir = path.join(rootPath, configFileName); // default
const configFile = process.env[ENV_CONFIGURATION_FILE];
if (configFile) {
if (path.isAbsolute(configFile)) {
tempDir = configFile;
}
else {
tempDir = path.join(rootPath, configFile); // Relative path to applicationinsights folder
}
}
try {
jsonString = fs.readFileSync(tempDir, "utf8");
}
catch (err) {
api_1.diag.info("Failed to read JSON config file: ", err);
}
}
try {
const jsonConfig = JSON.parse(jsonString);
this.enableAutoCollectExceptions = jsonConfig.enableAutoCollectExceptions;
this.otlpLogExporterConfig = jsonConfig.otlpLogExporterConfig;
this.otlpMetricExporterConfig = jsonConfig.otlpMetricExporterConfig;
this.otlpTraceExporterConfig = jsonConfig.otlpTraceExporterConfig;
this.enableAutoCollectPerformance = jsonConfig.enableAutoCollectPerformance;
this.azureMonitorExporterOptions = jsonConfig.azureMonitorExporterOptions;
this.samplingRatio = jsonConfig.samplingRatio;
this.instrumentationOptions = jsonConfig.instrumentationOptions;
}
catch (err) {
api_1.diag.info("Missing or invalid JSON config file: ", err);
}
}
}
exports.JsonConfig = JsonConfig;
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