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contrib-munin/plugins/mongodb/mongo_collection_

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# vim: set sts=4 sw=4 encoding=utf-8
# Based on plugins from https://github.com/pcdummy/mongomon
# Copyright (c) 2015, Tomas Zvala
# Copyright (c) 2010, Rene Jochum
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of the Rene Jochum nor the
# names of its contributors may be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#%# family=auto
#%# capabilities=suggest autoconf
import pymongo
from operator import itemgetter
settings_host = '127.0.0.1'
settings_port = 27017
# mongodb_uri will override host and port
settings_mongodb_uri = ''
settings_db = 'mydb'
settings_user = ''
settings_password = ''
settings_ignoredb = {}
typeIndex = {}
typeIndex['collcount'] = {}
typeIndex['collcount']['index'] = 'count'
typeIndex['collcount']['title'] = 'per collection document count'
typeIndex['collcount']['yaxis'] = 'documents'
typeIndex['collcount']['base'] = '1000'
typeIndex['collcount']['scale'] = '--logarithmic -l1'
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typeIndex['collcount']['category'] = 'db'
typeIndex['collsize'] = {}
typeIndex['collsize']['index'] = 'size'
typeIndex['collsize']['title'] = 'per collection data size'
typeIndex['collsize']['yaxis'] = 'Byte'
typeIndex['collsize']['base'] = '1024'
typeIndex['collsize']['scale'] = '--logarithmic -l1 --units=si'
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typeIndex['collsize']['category'] = 'db'
typeIndex['avgsize'] = {}
typeIndex['avgsize']['index'] = 'avgObjSize'
typeIndex['avgsize']['title'] = 'average object size'
typeIndex['avgsize']['yaxis'] = 'Byte'
typeIndex['avgsize']['base'] = '1024'
typeIndex['avgsize']['scale'] = '--logarithmic --units=si'
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typeIndex['avgsize']['category'] = 'db'
typeIndex['storage'] = {}
typeIndex['storage']['index'] = 'storageSize'
typeIndex['storage']['title'] = 'per collection storage size'
typeIndex['storage']['yaxis'] = 'Byte'
typeIndex['storage']['base'] = '1024'
typeIndex['storage']['scale'] = '--logarithmic -l1 --units=si'
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typeIndex['storage']['category'] = 'db'
typeIndex['indexsize'] = {}
typeIndex['indexsize']['index'] = 'totalIndexSize'
typeIndex['indexsize']['title'] = 'per collection index size'
typeIndex['indexsize']['yaxis'] = 'Byte'
typeIndex['indexsize']['base'] = '1024'
typeIndex['indexsize']['scale'] = '--logarithmic -l 1 --units=si'
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typeIndex['indexsize']['category'] = 'db'
def getCollstats(graphtype):
if settings_mongodb_uri:
con = pymongo.MongoClient(settings_mongodb_uri)
else:
con = pymongo.MongoClient(settings_host, int(settings_port))
if settings_user:
db = con['admin']
db.authenticate(settings_user, settings_password)
stats_tmp = {}
for dbname in con.database_names():
if dbname in settings_ignoredb:
continue
db = con[dbname]
for coll in db.collection_names():
if coll.startswith('system.'):
continue
stats = db.command("collstats", coll)
collname = dbname + "_" + coll.replace('.', '_')
if not stats_tmp.has_key(collname):
stats_tmp[collname] = {}
stats_tmp[collname]['value'] = 0
stats_tmp[collname]['dbname'] = dbname
if typeIndex[graphtype]['index'] in stats:
stats_tmp[collname]['value'] += long(stats[typeIndex[graphtype]['index']])
con.close()
for collname, item in sorted(stats_tmp.items()):
yield ("%s" % collname, item['value'], item['dbname'])
def doData(base,graphtype):
lastdb = ""
for coll, stats, db in sorted(getCollstats(graphtype), key=itemgetter(2)):
if lastdb != db:
print "multigraph " + base + "_" + graphtype + "_" + db
lastdb = db
print "%s_%s.value %s" % (graphtype, coll, stats)
def doConfig(base,graphtype):
lastdb = ""
for k,v,d in sorted(getCollstats(graphtype), key=itemgetter(2)):
if lastdb != d:
print "multigraph " + base + "_" + graphtype + "_" + d
lastdb = d
# print "graph_total total"
print "graph_title MongoDB " + typeIndex[graphtype]['title'] + " for database " + d
print "graph_args --base " + typeIndex[graphtype]['base'] + " " + typeIndex[graphtype]['scale']
print "graph_vlabel " + typeIndex[graphtype]['yaxis']
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print "graph_category db"
print "%s_%s.label %s" % (graphtype, k, k)
print "%s_%s.min 0" % (graphtype, k)
print "%s_%s.draw LINE1" % (graphtype, k)
def doSuggest():
print "keys"
for k in typeIndex.keys():
print k
if __name__ == "__main__":
from sys import argv,exit
from os import environ,path
import re
# Could be done by a for loop
# but i think if's are faster
if 'HOST' in environ:
settings_host = environ['HOST']
if 'PORT' in environ:
settings_port = environ['PORT']
if 'DB' in environ:
settings_db = environ['DB']
if 'MONGO_USER' in environ:
settings_user = environ['MONGO_USER']
if 'PASSWORD' in environ:
settings_password = environ['PASSWORD']
if 'IGNOREDB' in environ:
settings_ignoredb = environ['IGNOREDB'].split(',')
m = re.search('^(.*)_([a-zA-Z0-9]*)$', path.basename(argv[0]))
if len(argv) < 2:
doData(m.group(1),m.group(2))
elif argv[1] == "config":
doConfig(m.group(1),m.group(2))
elif argv[1] == "autoconf":
print "yes"
elif argv[1] == "suggest":
doSuggest()
else:
print "invalid argument"
exit(1)