3 # This is a munin plugin which pulls data from the server in
4 # misc/spacetime/diskwatcher.tac . It produces a graph of how much time is
5 # left before the grid fills up. The plugin should be configured with
6 # env_url= pointing at the diskwatcher.tac webport.
8 import os, sys, urllib, simplejson
10 if len(sys.argv) > 1 and sys.argv[1] == "config":
12 graph_title Tahoe Remaining Time Predictor
13 graph_vlabel days remaining
15 graph_info This graph shows the estimated number of days left until storage space is exhausted
16 days_1hr.label days left (one hour sample)
18 days_1day.label days left (one day sample)
20 days_2wk.label days left (two week sample)
22 days_4wk.label days left (four week sample)
23 days_4wk.draw LINE2"""
26 url = os.environ["url"]
27 timespans = simplejson.load(urllib.urlopen(url))["rates"]
29 data = dict([(name, timeleft)
30 for (name, timespan, growth, timeleft) in timespans
32 # timeleft is in seconds
35 print "days_1hr.value", data["1hr"]/DAY
37 print "days_1day.value", data["1day"]/DAY
39 print "days_2wk.value", data["2wk"]/DAY
41 print "days_4wk.value", data["4wk"]/DAY