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Exit cleanly on SIGINT et al

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This commit is contained in:
James Allen 2014-05-07 10:05:07 +01:00
parent d1434f7646
commit f511ebd4b6
1 changed files with 23 additions and 4 deletions
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27
services/document-updater/app.coffee
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@ -22,10 +22,13 @@ app.configure ->
app.use app.router
rclient.subscribe("pending-updates")
rclient.on "message", (channel, doc_key)->
rclient.on "message", (channel, doc_key) ->
[project_id, doc_id] = Keys.splitProjectIdAndDocId(doc_key)
UpdateManager.processOutstandingUpdatesWithLock project_id, doc_id, (error) ->
logger.error err: error, project_id: project_id, doc_id: doc_id, "error processing update" if error?
if !Settings.shuttingDown
UpdateManager.processOutstandingUpdatesWithLock project_id, doc_id, (error) ->
logger.error err: error, project_id: project_id, doc_id: doc_id, "error processing update" if error?
else
logger.log project_id: project_id, doc_id: doc_id, "ignoring incoming update"
UpdateManager.resumeProcessing()
@ -47,7 +50,10 @@ app.get '/total', (req, res)->
res.send {total:count}
app.get '/status', (req, res)->
res.send('document updater is alive')
if Settings.shuttingDown
res.send 503 # Service unavailable
else
res.send('document updater is alive')
app.use (error, req, res, next) ->
logger.error err: error, "request errored"
@ -56,6 +62,19 @@ app.use (error, req, res, next) ->
else
res.send(500, "Oops, something went wrong")
shutdownCleanly = (signal) ->
return () ->
logger.log signal: signal, "received interrupt, cleaning up"
Settings.shuttingDown = true
setTimeout () ->
logger.log signal: signal, "shutting down"
process.exit()
, 10000
port = Settings.internal?.documentupdater?.port or Settings.apis?.documentupdater?.port or 3003
app.listen port, "localhost", ->
logger.log("documentupdater-sharelatex server listening on port #{port}")
for signal in ['SIGINT', 'SIGHUP', 'SIGQUIT', 'SIGUSR1', 'SIGUSR2', 'SIGTERM', 'SIGABRT']
process.on signal, shutdownCleanly(signal)