mirror of
https://github.com/overleaf/overleaf.git
synced 2024-10-31 21:21:03 -04:00
26 lines
976 B
CoffeeScript
26 lines
976 B
CoffeeScript
|
Settings = require "settings-sharelatex"
|
||
|
|
PersistenceManager = require "./PersistenceManager"
|
||
|
|
|
||
|
|
module.exports = MongoHealthCheck =
|
||
|
|
isAlive: (_callback = (error) ->) ->
|
||
|
|
# We've seen very occasionally the doc-updater losing its connection to Mongo.
|
||
|
|
# E.g. https://sharelatex.hackpad.com/29th-Aug-2015-0650-0740-fHlw8RL8zuN
|
||
|
|
# It seems that the mongo callbacks never returned.
|
||
|
|
# Mongo is only called in the persistence manager, so we do a read-only
|
||
|
|
# test call, check that it's working, and returns in a reasonable time.
|
||
|
|
callback = (args...) ->
|
||
|
|
_callback(args...)
|
||
|
|
_callback = () ->
|
||
|
|
|
||
|
|
doc_id = Settings.smokeTest?.doc_id
|
||
|
|
if !doc_id?
|
||
|
|
return callback(new Error("No test doc_id configured"))
|
||
|
|
|
||
|
|
PersistenceManager.getDocVersionInMongo doc_id, (error, version) ->
|
||
|
|
return callback(error) if error?
|
||
|
|
callback(null)
|
||
|
|
|
||
|
|
timeout = Settings.smokeTest?.timeout or 10000
|
||
|
|
setTimeout () ->
|
||
|
|
callback(new Error("Mongo did not return in #{timeout}ms"))
|
||
|
|
, timeout
|