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https://github.com/tahoe-lafs/tahoe-lafs.git
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53 lines
1.7 KiB
Python
53 lines
1.7 KiB
Python
#!/usr/bin/env python
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# This is a munin plugin to track the number of files that each node's
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# StorageServer is holding on behalf of other nodes. Each file that has been
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# uploaded to the mesh (and has shares present on this node) will be counted
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# here. When there are <= 100 nodes in the mesh, this count will equal the
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# total number of files that are active in the entire mesh. When there are
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# 200 nodes present in the mesh, it will represent about half of the total
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# number.
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# Copy this plugin into /etc/munun/plugins/tahoe-files 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-files]
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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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import os, sys
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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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configinfo = \
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"""graph_title Allmydata Tahoe Filecount
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graph_vlabel files
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graph_category tahoe
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graph_info This graph shows the number of files hosted 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.rstrip()
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sys.exit(0)
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for nodename, basedir in nodedirs:
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files = len(os.listdir(os.path.join(basedir, "storage", "shares")))
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if os.path.exists(os.path.join(basedir, "storage", "shares", "incoming")):
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files -= 1 # the 'incoming' directory doesn't count
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print "%s.value %d" % (nodename, files)
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