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41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
#! /usr/bin/python
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# This is a munin plugin which pulls data from the server in
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# misc/spacetime/diskwatcher.tac . It produces a graph of how much disk space
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# is being used per unit time. The plugin should be configured with env_url=
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# pointing at the diskwatcher.tac webport.
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import os, sys, urllib, simplejson
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if len(sys.argv) > 1 and sys.argv[1] == "config":
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print """\
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graph_title Tahoe Disk Usage Measurement
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graph_vlabel bytes per second
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graph_category tahoe
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graph_info This graph shows the estimated disk usage per unit time, totalled across all storage servers
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graph_args --lower-limit 0 --rigid
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rate_1hr.label (one hour sample)
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rate_1hr.draw LINE1
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rate_1day.label (one day sample)
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rate_1day.draw LINE1
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rate_2wk.label (two week sample)
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rate_2wk.draw LINE2
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rate_4wk.label (four week sample)
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rate_4wk.draw LINE2"""
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sys.exit(0)
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url = os.environ["url"]
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timespans = simplejson.load(urllib.urlopen(url))["rates"]
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data = dict([(name, growth)
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for (name, timespan, growth, timeleft) in timespans])
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# growth is in bytes per second
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if "1hr" in data:
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print "rate_1hr.value", data["1hr"]
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if "1day" in data:
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print "rate_1day.value", data["1day"]
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if "2wk" in data:
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print "rate_2wk.value", data["2wk"]
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if "4wk" in data:
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print "rate_4wk.value", data["4wk"]
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