Revision c4314a8b
Added by Dominic Cleal almost 8 years ago
| modules/dhcp_isc/inotify_leases_file_observer.rb | ||
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def monitor_leases
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@notifier = INotify::Notifier.new
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@notifier.watch(leases_filename, :modify) do |event|
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logger.debug "caught :modify event on #{event.absolute_name}"
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observer.leases_modified
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end
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@notifier.watch(File.dirname(leases_filename), :moved_to) do |event|
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@notifier.watch(File.dirname(leases_filename), :modify, :moved_to) do |event|
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if event.absolute_name == leases_filename
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logger.debug "caught :moved_to event on #{event.absolute_name}"
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observer.leases_recreated
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event.flags.each do |flag|
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case flag
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when :modify
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logger.debug "caught :modify event on #{event.absolute_name}."
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observer.leases_modified
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when :moved_to
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logger.debug "caught :moved_to event on #{event.absolute_name}."
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observer.leases_recreated
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end
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end
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end
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end
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Also available in: Unified diff
refs #16021 - monitor modifications on entire directory
inotify file watches are based on the inode, so after the leases file
is recreated the watch no longer fires. Later versions of rb-inotify
will properly allow for the watch to be re-registered after the file is
recreated (issue #16140).