Files
overleaf-cep/libraries/metrics
Brian Gough 729e0f5ac9 move migrations to shared location (#28306)
* fix: correct typedef for Document in helpers.mjs

* add move-migrations codemod

* update migration paths to use shared migrations directory

* move migrations to shared location

* fix: update Dockerfile and docker-compose.ci.yml to include migrations directory

* feat: add migrations tool to workspaces in package.json

* [monorepo] Fix order of docker ignore rules

* [web] remove unused docker ignore file

* [monorepo] replace old references to migrations folder

* [server-ce] copy migrations from new place

* [migrations] Inline web scripts

Co-authored-by: Brian Gough <brian.gough@overleaf.com>

* [migrations] move three web scripts over

Co-authored-by: Brian Gough <brian.gough@overleaf.com>

* [migrations] add missing collection

Co-authored-by: Brian Gough <brian.gough@overleaf.com>

* [migrations] remove lodash dependency

Co-authored-by: Brian Gough <brian.gough@overleaf.com>

* [migrations] avoid mongodb-legacy dependency

Co-authored-by: Brian Gough <brian.gough@overleaf.com>

* [monorepo] run migrations from tools/migrations

Co-authored-by: Brian Gough <brian.gough@overleaf.com>

* [migrations] simplify migration for adding gitBridge feature to users

* [monorepo] run migrations from tests in all the services

* [migrations] add Jenkins pipeline for linting/formatting

* [monorepo] fixup running web migrations everywhere

* [monorepo] trigger Jenkins builds on changes to mongo migrations

* [migrations] add Jenkins pipeline for linting/formatting

* [monorepo] build scripts: update devDependencies before deps scanning

* [monorepo] build scripts: formerly depend on tools/migrations

* [monorepo] run eslint on .mjs files

* [migrations] enable more eslint rules and fix all the errors

* [rake] fix migrations:list task

---------

Co-authored-by: Jakob Ackermann <jakob.ackermann@overleaf.com>
GitOrigin-RevId: 14cf69cc1b9405bbc75adbb9a000e555500e0614
2025-10-16 08:07:37 +00:00
..

overleaf/metrics-module

Wrappers the prom-client npm module to provide Prometheus metrics at /metrics.

Use:

// Metrics must be initialized before importing anything else
require('@overleaf/metrics/initialize')

const express = require('express')
const metrics = require('@overleaf/metrics')
const app = express()
metrics.injectMetricsRoute(app)

Request logging can be enabled:

const logger = require('@overleaf/logger')
...
app.use(metrics.http.monitor(logger))

The metrics module can be configured through the following environment variables:

  • DEBUG_METRICS - enables display of debugging messages to the console.
  • GCP_OPENTELEMETRY - enables OpenTelemetry tracing for GCP
  • JAEGER_OPENTELEMETRY - enables OpenTelemetry tracing for Jaeger (in the dev environment)
  • METRICS_APP_NAME - the app label for metrics and spans
  • METRICS_COMPRESSION_LEVEL - sets the compression level for /metrics
  • STACKDRIVER_LOGGING - toggles the request logging format
  • UV_THREADPOOL_SIZE - sets the libuv thread pool size