Package ZenUtils :: Module Watchdog :: Class Watcher

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Class Watcher

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Run the given command, and expect periodic input on a shared UNIX-domain socket. If the command does not connect to the socket in startTimeout seconds, or it does not report every cycleTimeout seconds, then the process is restarted. The Watchdog will increase the time-between restarts until maxTime is achieved

Instance Methods

__init__(self, socketPath, cmd, startTimeout=None, cycleTimeout=1, maxTime=30)

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_kill(self)
Send a signal to a process and wait for it to stop.

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_readWait(self, sock, timeout)
Wait for a file descriptor to become readable

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_runOnce(self)

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_stop(self, *unused)

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run(self)

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Method Details

_kill(self)

Send a signal to a process and wait for it to stop. Use progressively more serious signals to get it to stop.