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Merge pull request #37 from sharelatex/ho-continual-pub-sub-traffic

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setup continualPubsubTraffic to keep pub sub happy
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Henry Oswald 2019-02-19 11:28:06 +00:00 committed by GitHub
commit 5119db43a7
4 changed files with 31 additions and 0 deletions
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25
services/real-time/app.coffee
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@ -1,6 +1,7 @@
Metrics = require("metrics-sharelatex") Metrics = require("metrics-sharelatex")
Settings = require "settings-sharelatex" Settings = require "settings-sharelatex"
Metrics.initialize(Settings.appName or "real-time") Metrics.initialize(Settings.appName or "real-time")
async = require("async")
logger = require "logger-sharelatex" logger = require "logger-sharelatex"
logger.initialize("real-time") logger.initialize("real-time")
@ -115,3 +116,27 @@ if Settings.forceDrainMsDelay?
logger.log signal: signal, "received interrupt, cleaning up" logger.log signal: signal, "received interrupt, cleaning up"
shutdownCleanly(signal) shutdownCleanly(signal)
forceDrain() 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()

2
services/real-time/app/coffee/DocumentUpdaterController.coffee
View file

@ -24,6 +24,8 @@ module.exports = DocumentUpdaterController =
DocumentUpdaterController._applyUpdateFromDocumentUpdater(io, message.doc_id, message.op) DocumentUpdaterController._applyUpdateFromDocumentUpdater(io, message.doc_id, message.op)
else if message.error? else if message.error?
DocumentUpdaterController._processErrorFromDocumentUpdater(io, message.doc_id, message.error, message) 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) -> _applyUpdateFromDocumentUpdater: (io, doc_id, update) ->
for client in io.sockets.clients(doc_id) for client in io.sockets.clients(doc_id)

2
services/real-time/app/coffee/WebsocketLoadBalancer.coffee
View file

@ -37,4 +37,6 @@ module.exports = WebsocketLoadBalancer =
io.sockets.emit(message.message, message.payload...) io.sockets.emit(message.message, message.payload...)
else if message.room_id? else if message.room_id?
io.sockets.in(message.room_id).emit(message.message, message.payload...) 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"

2
services/real-time/config/settings.defaults.coffee
View file

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