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67ab5a749a
* Run `bin/update_node 20.18.2 22.15.0` * Remove expects on `fetchMock.callHistory.done()` to fix tests: are they necessary? * Set node version to `22.x` in linked-url-proxy * Increase test timeout to 30s in `github-sync`, Add waiting steps * Define `navigator.onLine` in tests setup GitOrigin-RevId: 75eb556e9f51b665e57497a0879b6915d14069ce
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 GCPJAEGER_OPENTELEMETRY- enables OpenTelemetry tracing for Jaeger (in the dev environment)METRICS_APP_NAME- the app label for metrics and spansMETRICS_COMPRESSION_LEVEL- sets the compression level for/metricsSTACKDRIVER_LOGGING- toggles the request logging formatUV_THREADPOOL_SIZE- sets the libuv thread pool size