overleaf/services/docstore/app/coffee/HealthChecker.coffee

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ObjectId = require("mongojs").ObjectId
request = require("request")
async = require("async")
_ = require("underscore")
crypto = require("crypto")
settings = require("settings-sharelatex")
port = settings.internal.docstore.port
logger = require "logger-sharelatex"
module.exports =
check : (callback)->
doc_id = ObjectId()
project_id = ObjectId(settings.docstore.healthCheck.project_id)
url = "http://localhost:#{port}/project/#{project_id}/doc/#{doc_id}"
lines = ["smoke test - delete me", "#{crypto.randomBytes(32).toString("hex")}"]
logger.log lines:lines, url:url, doc_id:doc_id, project_id:project_id, "running health check"
jobs = [
(cb)->
opts =
url:url
json: {lines: lines}
request.post(opts, cb)
(cb)->
request.get {url:url, json:true}, (err, res, body)->
if res.statusCode != 200
cb("status code not 200, its #{res.statusCode}")
else if _.isEqual(body.lines, lines) and body._id == doc_id.toString()
cb()
else
cb("health check lines not equal #{body.lines} != #{lines}")
(cb)->
request.del url, cb
]
async.series jobs, callback