setup continualPubsubTraffic

this keeps the pub sub channel ticking along happily
This commit is contained in:
Henry Oswald 2019-02-15 15:23:59 +00:00
parent 6fb6086ba1
commit 26e903f384
4 changed files with 31 additions and 0 deletions

View file

@ -1,6 +1,7 @@
Metrics = require("metrics-sharelatex")
Settings = require "settings-sharelatex"
Metrics.initialize(Settings.appName or "real-time")
async = require("async")
logger = require "logger-sharelatex"
logger.initialize("real-time")
@ -115,3 +116,27 @@ if Settings.forceDrainMsDelay?
logger.log signal: signal, "received interrupt, cleaning up"
shutdownCleanly(signal)
forceDrain()
if Settings.continualPubsubTraffic
console.log "continualPubsubTraffic enabled"
pubSubClient = redis.createClient(Settings.redis.documentupdater)
publishJob = (channel, cb)->
json = JSON.stringify({health_check:true, date: new Date().toString()})
logger.debug {channel:channel}, "sending pub to keep connection alive"
pubSubClient.publish channel, json, (err)->
if err?
logger.err {err, channel}, "error publishing pubsub traffic to redis"
cb(err)
runPubSubTraffic = ->
async.map ["applied-ops", "editor-events"], publishJob, (err)->
setTimeout(runPubSubTraffic, 1000 * 60)
runPubSubTraffic()

View file

@ -24,6 +24,8 @@ module.exports = DocumentUpdaterController =
DocumentUpdaterController._applyUpdateFromDocumentUpdater(io, message.doc_id, message.op)
else if message.error?
DocumentUpdaterController._processErrorFromDocumentUpdater(io, message.doc_id, message.error, message)
else if message.health_check?
logger.debug {message}, "got health check message in applied ops channel"
_applyUpdateFromDocumentUpdater: (io, doc_id, update) ->
for client in io.sockets.clients(doc_id)

View file

@ -37,4 +37,6 @@ module.exports = WebsocketLoadBalancer =
io.sockets.emit(message.message, message.payload...)
else if message.room_id?
io.sockets.in(message.room_id).emit(message.message, message.payload...)
else if message.health_check?
logger.debug {message}, "got health check message in editor events channel"

View file

@ -44,6 +44,8 @@ settings =
forceDrainMsDelay: process.env['FORCE_DRAIN_MS_DELAY'] or false
continualPubsubTraffic: process.env['CONTINUAL_PUBSUB_TRAFFIC'] or false
# console.log settings.redis
module.exports = settings