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https://github.com/tahoe-lafs/tahoe-lafs.git
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39 lines
1.2 KiB
Python
39 lines
1.2 KiB
Python
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#! /usr/bin/python
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# This is a munin plugin to track the number of directory nodes that a vdrive
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# server is maintaining on behalf of other nodes. If a mesh has only one
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# vdrive server (or if clients are only bothering to use a single one), then
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# this will be equal to the number of dirnodes in use in the entire mesh.
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# Copy this plugin into /etc/munun/plugins/tahoe-dirnodes and then put
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# the following in your /etc/munin/plugin-conf.d/foo file to let it know
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# where to find the basedirectory for the vdrive server.
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#
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# [tahoe-storagespace]
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# env.basedir /path/to/vdrivenode
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import os, sys
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nodedir = os.environ["basedir"]
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configinfo = \
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"""graph_title Allmydata Tahoe Dirnode Count
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graph_vlabel bytes
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graph_category tahoe
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graph_info This graph shows the number of directory nodes hosted by this vdrive server
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dirnodes.label dirnodes
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dirnodes.draw LINE2
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"""
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if len(sys.argv) > 1:
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if sys.argv[1] == "config":
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print configinfo
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sys.exit(0)
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dirnodes = len(os.listdir(os.path.join(nodedir, "vdrive")))
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if os.path.exists(os.path.join(nodedir, "vdrive", "root")):
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dirnodes -= 1 # the 'root' pointer doesn't count
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print "dirnodes.value %d" % dirnodes
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