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On update failure schedule another attempt briefly in the future.

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This commit is contained in:
Pagan Gazzard 2014-08-01 18:29:28 +01:00 committed by Pablo Carranza Vélez
parent ba5e186ebc
commit 7072b1df96
1 changed files with 14 additions and 2 deletions
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16
src/application.coffee
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@ -143,7 +143,8 @@ exports.restart = restart = (app) ->
# 1 - Updating
# 2 - Update required
currentlyUpdating = 0
exports.update = ->
failedUpdates = 0
exports.update = update = ->
if currentlyUpdating isnt 0
# Mark an update required after the current.
currentlyUpdating = 2
@ -229,11 +230,22 @@ exports.update = ->
.then ->
knex('app').update(app).where(imageId: app.imageId)
Promise.all(installingPromises.concat(updatingPromises))
.then ->
failedUpdates = 0
.catch (err) ->
failedUpdates++
if currentlyUpdating is 2
console.log('Updating failed, but there is already another update scheduled immediately: ', err)
return
delayTime = Math.min(failedUpdates * 500, 30000)
# If there was an error then schedule another attempt briefly in the future.
console.log('Scheduling another update attempt due to failure: ', delayTime, err)
setTimeout(update, delayTime)
.finally ->
updateDeviceInfo(status: 'Idle')
if currentlyUpdating is 2
# If an update is required then schedule it
setTimeout(exports.update)
setTimeout(update)
# Set the updating as finished
currentlyUpdating = 0