Class DaemonStats

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Utility for a daemon to write out internal performance statistics

Instance Methods

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__init__(self)

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config(self, name, monitor, thresholds, rrdCreateCommand=None)
Initialize the object.

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configWithMonitor(self, name, monitor)

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rrdFile(self, type, cycleTime, name, minVal='U', maxVal='U')
Create an RRD file if it does not exist.

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counter(self, name, cycleTime, value)
Write a counter value, return threshold events

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gauge(self, name, cycleTime, value)
Write a gauge value, return threshold events

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Class Variables

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name = ""

monitor = ""

rrdCreateCommand = ""

Method Details

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config(self, name, monitor, thresholds, rrdCreateCommand=None)

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Initialize the object. We could do this in __init__, but that would delay creation to after configuration time, which may run asynchronously with collection or heartbeats. By deferring initialization, this object implements the Null Object pattern until the application is ready to start writing real statistics.

rrdFile(self, type, cycleTime, name, minVal='U', maxVal='U')

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Create an RRD file if it does not exist. Returns the basename of the rrdFile, suitable for checking thresholds.