$ cat gluster-check.py
#!/usr/bin/env python
# -*- coding: iso-8859-15 -*-

import os

data = os.popen("gluster v status").readlines()

# first we'll parse through the raw data looking for brick information
for x in data:
  if 'Brick' in x:
    d = x.rstrip().split('\t')
    if d[5] == 'Y':
      status = 'ONLINE'
    else:
        status = 'OFFLINE'
    pid = d[6]
    name = d[0].split(' ')[1]

    # and output it with a little formatting
    print "Volume: %s\t(PID %s)\t\tStatus: %s" % (name, pid, status)


[jduncan@laptop ~]$ sudo python gluster-check.py
Volume: 192.168.1.140:/gluster2 (PID 5629)      Status: ONLINE
Volume: 192.168.1.140:/gluster  (PID 5603)      Status: ONLINE