overleaf/services/track-changes/app/js/HealthChecker.js

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// TODO: This file was created by bulk-decaffeinate.
// Fix any style issues and re-enable lint.
/*
* decaffeinate suggestions:
* DS102: Remove unnecessary code created because of implicit returns
* DS207: Consider shorter variations of null checks
* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
*/
const { ObjectId } = require('./mongodb')
const request = require('request')
const async = require('async')
const settings = require('@overleaf/settings')
const { port } = settings.internal.trackchanges
const logger = require('@overleaf/logger')
const LockManager = require('./LockManager')
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module.exports = {
check(callback) {
const projectId = ObjectId(settings.trackchanges.healthCheck.project_id)
const url = `http://localhost:${port}/project/${projectId}`
logger.debug({ projectId }, 'running health check')
const jobs = [
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cb =>
request.get(
{ url: `http://localhost:${port}/check_lock`, timeout: 3000 },
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function (err, res, body) {
if (err != null) {
logger.err(
{ err, projectId },
'error checking lock for health check'
)
return cb(err)
} else if ((res != null ? res.statusCode : undefined) !== 200) {
return cb(
new Error(`status code not 200, it's ${res.statusCode}`)
)
} else {
return cb()
}
}
),
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cb =>
request.post(
{ url: `${url}/flush`, timeout: 10000 },
function (err, res, body) {
if (err != null) {
logger.err({ err, projectId }, 'error flushing for health check')
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return cb(err)
} else if ((res != null ? res.statusCode : undefined) !== 204) {
return cb(
new Error(`status code not 204, it's ${res.statusCode}`)
)
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} else {
return cb()
}
}
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),
cb =>
request.get(
{ url: `${url}/updates`, timeout: 10000 },
function (err, res, body) {
if (err != null) {
logger.err(
{ err, projectId },
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'error getting updates for health check'
)
return cb(err)
} else if ((res != null ? res.statusCode : undefined) !== 200) {
return cb(
new Error(`status code not 200, it's ${res.statusCode}`)
)
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} else {
return cb()
}
}
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),
]
return async.series(jobs, callback)
},
checkLock(callback) {
return LockManager.healthCheck(callback)
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},
}