overleaf/services/project-history/scripts/clear_deleted_history.js

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JavaScript
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#!/usr/bin/env node
// To run in dev:
//
// docker-compose run --rm project-history scripts/clear_deleted.js
//
// In production:
//
// docker run --rm $(docker ps -lq) scripts/clear_deleted.js
import async from 'async'
import logger from '@overleaf/logger'
import Settings from '@overleaf/settings'
import redis from '@overleaf/redis-wrapper'
import { db, ObjectId } from '../app/js/mongodb.js'
logger.logger.level('fatal')
const rclient = redis.createClient(Settings.redis.project_history)
const Keys = Settings.redis.project_history.key_schema
const argv = process.argv.slice(2)
const limit = parseInt(argv[0], 10) || null
const force = argv[1] === 'force' || false
let projectNotFoundErrors = 0
let projectImportedFromV1Errors = 0
const projectsNotFound = []
const projectsImportedFromV1 = []
let projectWithHistoryIdErrors = 0
const projectsWithHistoryId = []
function checkAndClear(project, callback) {
const projectId = project.project_id
console.log('checking project', projectId)
function checkDeleted(cb) {
db.projects.findOne(
{ _id: new ObjectId(projectId) },
{ projection: { overleaf: true } },
(err, result) => {
console.log(
'1. looking in mongo projects collection: err',
err,
'result',
JSON.stringify(result)
)
if (err) {
return cb(err)
}
if (!result) {
return cb(new Error('project not found in mongo'))
}
if (
result &&
result.overleaf &&
!result.overleaf.id &&
result.overleaf.history &&
!result.overleaf.history.id &&
result.overleaf.history.deleted_id
) {
console.log(
' - project is not imported from v1 and has a deleted_id - ok to clear'
)
return cb()
} else if (result && result.overleaf && result.overleaf.id) {
console.log(' - project is imported from v1')
return cb(
new Error('project is imported from v1 - will not clear it')
)
} else if (
result &&
result.overleaf &&
result.overleaf.history &&
result.overleaf.history.id
) {
console.log(' - project has a history id')
return cb(new Error('project has a history id - will not clear it'))
} else {
console.log(' - project state not recognised')
return cb(new Error('project state not recognised'))
}
}
)
}
function clearRedisQueue(cb) {
const key = Keys.projectHistoryOps({ project_id: projectId })
if (force) {
console.log('deleting redis key', key)
rclient.del(key, err => {
cb(err)
})
} else {
console.log('dry run, would deleted key', key)
cb()
}
}
function clearMongoEntry(cb) {
if (force) {
console.log('deleting key in mongo projectHistoryFailures', projectId)
db.projectHistoryFailures.deleteOne(
{ project_id: projectId },
(err, result) => {
console.log('got result from remove', err, result)
cb(err)
}
)
} else {
console.log('would delete failure record for', projectId, 'from mongo')
cb()
}
}
// do the checks and deletions
async.waterfall([checkDeleted, clearRedisQueue, clearMongoEntry], err => {
if (!err) {
if (force) {
return setTimeout(callback, 100)
} // include a 1 second delay
return callback()
} else if (err.message === 'project not found in mongo') {
projectNotFoundErrors++
projectsNotFound.push(projectId)
return callback()
} else if (err.message === 'project has a history id - will not clear it') {
projectWithHistoryIdErrors++
projectsWithHistoryId.push(projectId)
return callback()
} else if (
err.message === 'project is imported from v1 - will not clear it'
) {
projectImportedFromV1Errors++
projectsImportedFromV1.push(projectId)
return callback()
} else {
console.log('error:', err)
return callback(err)
}
})
}
// find all the broken projects from the failure records
async function main() {
const results = await db.projectHistoryFailures
.find({ error: 'Error: history store a non-success status code: 422' })
.toArray()
console.log('number of queues without history store 442 =', results.length)
// now check if the project is truly deleted in mongo
async.eachSeries(results.slice(0, limit), checkAndClear, err => {
console.log('Final error status', err)
console.log(
'Project not found errors',
projectNotFoundErrors,
projectsNotFound
)
console.log(
'Project with history id errors',
projectWithHistoryIdErrors,
projectsWithHistoryId
)
console.log(
'Project imported from V1 errors',
projectImportedFromV1Errors,
projectsImportedFromV1
)
process.exit()
})
}
main().catch(error => {
console.error(error)
process.exit(1)
})