common-core-pkg/dist/opentelemetry/index.js

Common package for all the utils

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.setupOpenTelemetry = setupOpenTelemetry;
const sdk_node_1 = require("@opentelemetry/sdk-node");
const resources_1 = require("@opentelemetry/resources");
const semantic_conventions_1 = require("@opentelemetry/semantic-conventions");
const auto_instrumentations_node_1 = require("@opentelemetry/auto-instrumentations-node");
const exporter_trace_otlp_http_1 = require("@opentelemetry/exporter-trace-otlp-http");
const exporter_prometheus_1 = require("@opentelemetry/exporter-prometheus");
async function setupOpenTelemetry(config) {
    const detectedResource = await (0, resources_1.detectResources)({
        detectors: [resources_1.envDetector, resources_1.processDetector],
    });
    const resource = (0, resources_1.resourceFromAttributes)({
        [semantic_conventions_1.ATTR_SERVICE_NAME]: config.appName,
        [semantic_conventions_1.ATTR_SERVICE_VERSION]: config.appVersion,
        'deployment.environment': config.deplomentEnv,
    });
    const mergedResource = detectedResource.merge(resource);
    const traceExporter = new exporter_trace_otlp_http_1.OTLPTraceExporter({
        url: config.traceUrl,
    });
    const prometheusExporter = new exporter_prometheus_1.PrometheusExporter({
        port: 9464,
        endpoint: '/metrics',
    });
    const sdk = new sdk_node_1.NodeSDK({
        resource: mergedResource,
        traceExporter,
        metricReader: prometheusExporter,
        instrumentations: [(0, auto_instrumentations_node_1.getNodeAutoInstrumentations)()],
    });
    console.log('✅ OpenTelemetry started at http://localhost:9464/metrics');
    return sdk;
}
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