#! /usr/bin/env python

"""
Use the following in /etc/munin/plugin-conf.d/wormhole :

[wormhole_*]
env.serverdir /path/to/your/wormhole/server
"""

import os, sys, time, json

CONFIG = """\
graph_title Magic-Wormhole Server Events
graph_vlabel Events per Hour
graph_category network
happy.label Happy
happy.draw LINE
happy.type DERIVE
happy.min 0
happy.max 60
happy.cdef happy,3600,*
incomplete.label Incomplete
incomplete.draw LINE
incomplete.type DERIVE
incomplete.min 0
incomplete.max 60
incomplete.cdef incomplete,3600,*
scary.label Scary
scary.draw LINE
scary.type DERIVE
scary.min 0
scary.max 60
scary.cdef scary,3600,*
"""

if len(sys.argv) > 1 and sys.argv[1] == "config":
    print CONFIG.rstrip()
    sys.exit(0)

serverdir = os.environ["serverdir"]
fn = os.path.join(serverdir, "stats.json")
with open(fn) as f:
    data = json.load(f)
if time.time() > data["valid_until"]:
    sys.exit(1) # expired

atm = data["rendezvous"]["all_time"]["mailbox_moods"]
print "happy.value", atm.get("happy", 0)
print "incomplete.value", (atm.get("pruney", 0) + atm.get("lonely", 0))
print "scary.value", atm.get("scary", 0)