zope_cache_parameters

#!/usr/bin/env python

from sys import argv
import httplib
conns = []

# this should really go in plugins.conf
conns.append(httplib.HTTPConnection("localhost",8080))
conns.append(httplib.HTTPConnection("localhost",8070))


url = "/munin_cache_parameters.py"

if len(argv) > 1 and argv[1] == 'config':

    # there is probably a better way to display this cached vs target graph
    # as a percentage of target possibly..

    print """graph_title Zope cache parameters
    graph_category appserver
    graph_info A grap of the main data on the "Cache Parameters" tab of the main DB in the zope control panel.""".replace("\n    ","\n")
    for i in range(0,len(conns)):
        print """obs_in_db%(i)s.label Z%(i)s Obs in DB
        obs_cached%(i)s.label Z%(i)s obs in all caches
        obs_target%(i)s.label Z%(i)s cached obs target""".replace("\n        ","\n") % dict(i=i)
else:
    for i in range(0,len(conns)):
        conns[i].request("GET", url)

        r1 = conns[i].getresponse()
        #print r1.status, r1.reason
        #200 OK
        data = r1.read().strip()
        conns[i].close()
        (obs_in_db, obs_cached, obs_target) = data.split()
        id = dict(i=i)
        print 'obs_in_db%(i)s.value' % id, obs_in_db
        print 'obs_cached%(i)s.value'% id, obs_cached
        print 'obs_target%(i)s.value'% id, obs_target