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7f48c67512
* Add `unicorn/prefer-node-protocol` * Fix `unicorn/prefer-node-protocol` ESLint errors * Run `npm run format:fix` * Add sandboxed-module sourceTransformers in mocha setups Fix `no such file or directory, open 'node:fs'` in `sandboxed-module` * Remove `node:` in the SandboxedModule requires * Fix new linting errors with `node:` GitOrigin-RevId: 68f6e31e2191fcff4cb8058dd0a6914c14f59926
105 lines
2.9 KiB
JavaScript
105 lines
2.9 KiB
JavaScript
/* eslint-disable no-console */
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/**
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* This module initializes the metrics module. It should be imported once
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* before any other module to support code instrumentation.
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*/
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const APP_NAME = process.env.METRICS_APP_NAME || 'unknown'
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const BUILD_VERSION = process.env.BUILD_VERSION
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const ENABLE_PROFILE_AGENT = process.env.ENABLE_PROFILE_AGENT === 'true'
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const GCP_OPENTELEMETRY = process.env.GCP_OPENTELEMETRY === 'true'
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const JAEGER_OPENTELEMETRY = process.env.JAEGER_OPENTELEMETRY === 'true'
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console.log('Initializing metrics')
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if (GCP_OPENTELEMETRY || JAEGER_OPENTELEMETRY) {
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initializeOpenTelemetryInstrumentation()
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initializeOpenTelemetryLogging()
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}
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if (ENABLE_PROFILE_AGENT) {
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initializeProfileAgent()
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}
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initializePrometheus()
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initializePromWrapper()
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recordProcessStart()
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function initializeOpenTelemetryInstrumentation() {
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console.log('Starting OpenTelemetry instrumentation')
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const opentelemetry = require('@opentelemetry/sdk-node')
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const {
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getNodeAutoInstrumentations,
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} = require('@opentelemetry/auto-instrumentations-node')
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const { Resource } = require('@opentelemetry/resources')
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const {
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SemanticResourceAttributes,
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} = require('@opentelemetry/semantic-conventions')
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const resource = new Resource({
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[SemanticResourceAttributes.SERVICE_NAME]: APP_NAME,
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[SemanticResourceAttributes.SERVICE_NAMESPACE]: 'Overleaf',
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'host.type': 'VM',
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})
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let exporter
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if (GCP_OPENTELEMETRY) {
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const GCP = require('@google-cloud/opentelemetry-cloud-trace-exporter')
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exporter = new GCP.TraceExporter()
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} else if (JAEGER_OPENTELEMETRY) {
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const {
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OTLPTraceExporter,
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} = require('@opentelemetry/exporter-trace-otlp-http')
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exporter = new OTLPTraceExporter({
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url: `http://${process.env.JAEGER_HOST || 'jaeger'}:4318/v1/traces`,
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})
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} else {
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return
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}
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const sdk = new opentelemetry.NodeSDK({
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traceExporter: exporter,
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logger: console,
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instrumentations: [getNodeAutoInstrumentations()],
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resource,
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})
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sdk.start()
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}
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function initializeOpenTelemetryLogging() {
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const {
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diag,
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DiagConsoleLogger,
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DiagLogLevel,
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} = require('@opentelemetry/api')
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diag.setLogger(new DiagConsoleLogger(), DiagLogLevel.INFO)
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}
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function initializeProfileAgent() {
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console.log('Starting Google Profile Agent')
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const profiler = require('@google-cloud/profiler')
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profiler.start({
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serviceContext: {
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service: APP_NAME,
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version: BUILD_VERSION,
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},
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})
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}
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function initializePrometheus() {
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const os = require('node:os')
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const promClient = require('prom-client')
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promClient.register.setDefaultLabels({ app: APP_NAME, host: os.hostname() })
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promClient.collectDefaultMetrics({ timeout: 5000, prefix: '' })
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}
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function initializePromWrapper() {
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const promWrapper = require('./prom_wrapper')
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promWrapper.setupSweeping()
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}
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function recordProcessStart() {
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const metrics = require('.')
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metrics.inc('process_startup')
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}
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