On a project I'm working on at the moment we have a problem, files are going missing.
We don't know which part of the system could be trashing these files (user uploaded images in this case) and they are on a shared filesystem so there are plenty of places to point fingers.
I've discovered a very handy toolset inotify-tools Which hooks into the linix kernel and allows you to monitor actions like file deletion.
I my case all I need to do right now is monitor the files on each sytem that has access - and I'm hoping to catch which one does the delete
# stop monitoring for deletes through the build
[ -f ~/inotifywait.pid ] && kill $(cat ~/inotifywait.pid)
git pull
./build.sh
# if the tool is installed - monitor file delets
which inotifywait &-$(BUILD_NUMBER)-delete.log &
echo $! > ~/inotifywait.pid
}
This should create a log of any user files that get deleted between builds
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