Add munin monitors for mongo

tools/munin_monitors/mongo_mem

@@ -0,0 +1,56 @@
+#!/usr/bin/env python
+
+## GENERATED FILE - DO NOT EDIT
+
+import urllib2
+import sys
+import os  
+import pymongo
+
+def getServerStatus():
+    host = "127.0.0.1"
+    port = 27017
+    c = pymongo.MongoClient(host, port)
+    return c.admin.command('serverStatus', workingSet=True)
+
+def ok(s):
+    return s == "resident" or s == "virtual" or s == "mapped"
+
+def doData():
+    for k,v in getServerStatus()["mem"].iteritems():
+        if ok(k):
+            print( str(k) + ".value " + str(v * 1024 * 1024) )
+
+def doConfig():
+
+    print "graph_title MongoDB memory usage"
+    print "graph_args --base 1024 -l 0 --vertical-label Bytes"
+    print "graph_category MongoDB"
+
+    for k in getServerStatus()["mem"]:
+        if ok( k ):
+            print k + ".label " + k
+            print k + ".draw LINE1"
+
+
+
+
+
+
+
+if __name__ == "__main__":          
+	
+    from os import environ
+    if 'HOST' in environ:
+        host = environ['HOST']
+    if 'PORT' in environ:
+        port = environ['PORT']
+    if 'USER' in environ:
+        user = environ['USER']
+    if 'PASSWORD' in environ:
+        password = environ['PASSWORD']
+    
+if len(sys.argv) > 1 and sys.argv[1] == "config":
+    doConfig()
+else:
+    doData()