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Move SimpleConfigReader creation to ConfdProcessor
This will be useful to make ConfdProcessor aware of a config failure,without quitting confd.
Signed-off-by: Guido Trotter <ultrotter@google.com>Reviewed-by: Iustin Pop <iustin@google.com>
confd: s/confd_event_handler/inotify_handler/
In a case we don't encounter frequently (file modified but notoverwritten) the notify handler we use is called with a wrong name.
Implement timers in confd
Timers are used both for checking for inotify failures, and for polling,should inotify notices become too frequent.
Signed-off-by: Guido Trotter <ultrotter@google.com>Reviewed-by: Michael Hanselmann <hansmi@google.com>
ConfdInotifyEventHandler.enable: use InotifyError
Rather than raising ConfdFatalError directlyConfdInotifyEventHandler.enable raises InotifyError should it not beable to configure inotify, allowing the caller to decide what to do.
Signed-off-by: Guido Trotter <ultrotter@google.com>...
ConfdInotifyEventHandler, move to a callback
ConfdInotifyEventHandler used to reload the config whenever anotification arrived. Moving to a callback system, so thatConfdConfigurationReloader can be responsible for that functionality.
Additionally the inotify class no longer reenables itself automatically,...
Move creation of inotify handler to a new class
This class will be responsible for managing inotify notifications,timers, and rate-limiting reloads. For now none of these features isimplemented. :)
ConfdInotifyEventHandler: add enable/disable
Make possible to enable and disable the inotify event handler. Theinotify handler will remain enabled, unless explicitely told to disableitself.
Style fixes for ganeti-*
Signed-off-by: Michael Hanselmann <hansmi@google.com>Reviewed-by: Iustin Pop <iustin@google.com>
Convert ganeti-confd to Mainloop
Now that mainloop is asyncore-enabled we can easily do that.
Remove unused imports from confd files
confd.server and daemons/ganeti-confd import a few modules they don'tactually use. Clean them up.
Initial confd implementation
ganeti-confd is a simple asynchronous daemon, which listens on a UDPport, passes each packet to a processor, and sends back to the clientthe result.
It also listens on an inotify socket, in order to reload itsconfiguration when the ganeti config file changes....