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Only wait for success if we're restarting due to an update attempt.

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If we're restarting for binds/mounts then we're already in a non-working state, and starting the new supervisor may have to wait for bootstrap to complete (which takes an indefinite amount of time to complete, meaning the timeout was killing the new container before it could bootstrap in some cases)
This commit is contained in:
Pagan Gazzard 2014-10-01 18:01:35 +01:00 committed by Pablo Carranza Vélez
parent 8c774549ad
commit 2210b1be29
1 changed files with 11 additions and 2 deletions
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13
src/supervisor-update.coffee
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@ -24,7 +24,7 @@ getCurrentContainer = ->
getContainerId().then (containerId) ->
docker.getContainer(containerId).inspectAsync()
startNewSupervisor = (currentSupervisor) ->
startNewSupervisor = (currentSupervisor, waitForSuccess = true) ->
console.log('Creating supervisor container:', localImage)
docker.createContainerAsync(
Image: localImage
@ -39,6 +39,8 @@ startNewSupervisor = (currentSupervisor) ->
Binds: config.supervisorContainer.Binds
)
.then (container) ->
if !waitForSuccess
return
# check that next supervisor outputs config.successMessage before this supervisor exits
container.attachAsync({ stream: true, stdout: true, stderr: false, tty: true })
.then (stream) ->
@ -76,7 +78,14 @@ currentSupervisor = getCurrentContainer().tap (currentSupervisor) ->
# Check all the expected binds and volumes exist, if not then start a new supervisor (which will add them correctly)
if !_.isEqual(expectedVolumes, actualVolumes) or !_.isEqual(expectedBinds, actualBinds)
console.log('Supervisor restart (for binds/mounts)')
startNewSupervisor(currentSupervisor)
restart = ->
# When restarting for just binds/mounts we just wait for the supervisor updates to start.
startNewSupervisor(currentSupervisor, false)
.catch (err) ->
console.error('Error restarting', err)
# If there's an error just keep attempting to restart to get to a useful state.
restart()
restart()
# This is a promise that resolves when we have fully initialised.
exports.initialised = currentSupervisor.then (currentSupervisor) ->