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45 lines
1.3 KiB
Text
45 lines
1.3 KiB
Text
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#!/usr/bin/env python
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"""
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Load average plugin for Munin.
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Based on the default "load" plugin in Munin
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First tries reading from /proc/loadavg if it exists. Otherwise, execute
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`uptime` and parse out the load average.
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"""
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import os
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from vendor.munin import MuninPlugin
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class LoadAVGPlugin(MuninPlugin):
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title = "Load average"
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args = "--base 1000 -l 0"
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vlabel = "load"
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scale = False
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category = "system"
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@property
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def fields(self):
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warning = os.environ.get('load_warn', 10)
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critical = os.environ.get('load_crit', 120)
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return [("load", dict(
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label = "load",
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info = 'The load average of the machine describes how many processes are in the run-queue (scheduled to run "immediately").',
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type = "GAUGE",
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min = "0",
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warning = str(warning),
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critical = str(critical)))]
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def execute(self):
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if os.path.exists("/proc/loadavg"):
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loadavg = open("/proc/loadavg", "r").read().strip().split(' ')
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else:
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from subprocess import Popen, PIPE
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output = Popen(["uptime"], stdout=PIPE).communicate()[0]
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loadavg = output.rsplit(':', 1)[1].strip().split(' ')[:3]
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return dict(load=loadavg[1])
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if __name__ == "__main__":
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LoadAVGPlugin().run()
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