old_contents: 
  __description__ = "MongoDB database"
  __config__ = {
      "mongodb.dbpath": dict(
          description = "Path where to store the MongoDB database",
          default = "/var/lib/mongodb",
      ),
      "mongodb.logpath": dict(
          description = "Path where to store the MongoDB log",
          default = "/var/log/mongodb/mongodb.log",
      ),
      "mongodb.port": dict(
          description = "Specifies the port number on which Mongo will listen for client connections.",
          default = None,
      ),
      "mongodb.verbose": dict(
          description = "Verbose logging output",
          default = False,
      ),
      "mongodb.rest": dict(
          description = "Allow extended operations at the HTTP Interface",
          default = False,
      ),
      "mongodb.oplog_size": dict(
          description = "Custom size for replication operation log.",
          default = None,
      ),
      "mongodb.op_id_mem": dict(
          description = "Size limit for in-memory storage of op ids.",
          default = None,
      ),
      "mongodb.replica_set": dict(
          description = "<setname>[/<seedlist>] Use replica sets with the specified logical set name.  Typically the optional seed host list need not be specified."
          default = None,
      ),
  }
  
new_contents: 
  __description__ = "MongoDB database"
  __config__ = {
      "mongodb.dbpath": dict(
          description = "Path where to store the MongoDB database",
          default = "/var/lib/mongodb",
      ),
      "mongodb.logpath": dict(
          description = "Path where to store the MongoDB log",
          default = "/var/log/mongodb/mongodb.log",
      ),
      "mongodb.port": dict(
          description = "Specifies the port number on which Mongo will listen for client connections.",
          default = None,
      ),
      "mongodb.verbose": dict(
          description = "Verbose logging output",
          default = False,
      ),
      "mongodb.rest": dict(
          description = "Allow extended operations at the HTTP Interface",
          default = False,
      ),
      "mongodb.oplog_size": dict(
          description = "Custom size for replication operation log.",
          default = None,
      ),
      "mongodb.op_id_mem": dict(
          description = "Size limit for in-memory storage of op ids.",
          default = None,
      ),
      "mongodb.replica_set": dict(
          description = "<setname>[/<seedlist>] Use replica sets with the specified logical set name.  Typically the optional seed host list need not be specified.",
          default = None,
      ),
  }
  
subject: Fix to mongo metadata