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Latest revisions

# Date Author Comment
b81650b0 01/07/2014 12:03 pm Klaus Aehlig

Attach a watcher for jobs

Add a function that can serve as an event handler for inotify
updating a job in the job queue if the corresponding job file
changes. Also attach it to all jobs selected to be run.

Signed-off-by: Klaus Aehlig <>...
a2977f53 01/07/2014 12:03 pm Klaus Aehlig

JQScheduler: always pass JobWithStat

When attaching inotifies to jobs, we need to preserve
it through potential requeuing actions. Also, this information
is needed for cleaning up.

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Helga Velroyen <>
cc5ab470 01/07/2014 12:03 pm Klaus Aehlig

Cleanup inotifies

When cleaning up finished jobs, remove the inotify
attached to them, if any.

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Helga Velroyen <>
ed6cf449 01/07/2014 12:03 pm Klaus Aehlig

Add an optional inotify to jobs in the scheduler

This provides the infrastructure to monitor running jobs
by inotify, and hence update the queue promptly upon
job changes.

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Helga Velroyen <>
d5665e10 01/07/2014 10:14 am Klaus Aehlig

Make luxid handle SetDrainFlag

Make luxid also handle queries to drain the job queue.

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Guido Trotter <>
83a451f5 01/07/2014 10:14 am Klaus Aehlig

Add RPC for setting the queue drain flag

As luxid is also responsible for handling requests to drain the job queue,
we need the corresponding RPC in Haskell as well.

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Guido Trotter <>
1264bd58 01/07/2014 10:14 am Klaus Aehlig

Fix sign in drain_flag request

The drain flag is set, if the queue is not open.

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Guido Trotter <>
56c934da 01/02/2014 11:41 am Jose A. Lopes

Eliminate installation modes in OS reinstalls doc

Eliminate installation modes in OS reinstalls design doc and instead
allow disk images and OS scripts to be combined, with an optional
virtualized environment.

Signed-off-by: Jose A. Lopes <>...
e97cce9f 12/20/2013 03:49 pm Klaus Aehlig

Reinstantiate inotify after a lost file

When watching a file, reinstantiate the inotify if notified
of an event that removes the watch. Such events are likely
to happen, as our usual way to "modify" a file is to atomically
replace it by another one.

Signed-off-by: Klaus Aehlig <>...
2f575937 12/20/2013 03:49 pm Klaus Aehlig

Improve debug-logging for watch file

Also log, at debug level only, when a change of a watched
file was observed, but the change did not result in any
change of derived value.

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Helga Velroyen <>

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