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https://github.com/tahoe-lafs/tahoe-lafs.git
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54 lines
1.6 KiB
Python
54 lines
1.6 KiB
Python
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#! /usr/bin/python
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# This is a munin plugin to track the amount of disk space each node's
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# StorageServer is consuming on behalf of other nodes. This is where the
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# shares are kept. If there are N nodes present in the mesh, the total space
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# consumed by the entire mesh will be about N times the space reported by
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# this plugin.
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# Copy this plugin into /etc/munun/plugins/tahoe-storagespace 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 each node:
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#
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# [tahoe-storagespace]
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# env.basedir_NODE1 /path/to/node1
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# env.basedir_NODE2 /path/to/node2
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# env.basedir_NODE3 /path/to/node3
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#
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# Allmydata-tahoe must be installed on the system where this plugin is used,
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# since it imports a utility module from allmydata.utils .
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import os, sys
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from allmydata.util import fileutil
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nodedirs = []
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for k,v in os.environ.items():
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if k.startswith("basedir_"):
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nodename = k[len("basedir_"):]
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nodedirs.append( (nodename, v) )
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nodedirs.sort()
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seriesname = "storage"
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configinfo = \
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"""graph_title Allmydata Tahoe Shareholder Space
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graph_vlabel bytes
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graph_category tahoe
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graph_info This graph shows the space consumed by this node's StorageServer
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"""
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for nodename, basedir in nodedirs:
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configinfo += "%s.label %s\n" % (nodename, nodename)
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configinfo += "%s.draw LINE2\n" % (nodename,)
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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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for nodename, basedir in nodedirs:
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usage = fileutil.du(os.path.join(basedir, "storage"))
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print "%s.value %d" % (nodename, usage)
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