Icinga plugin for IRCCat

commands.cfg

define command {
    command_name     notify-host-by-irccat
    command_line     /usr/local/share/nagios-plugins/icinga-irccat.py $HOSTNAME$ $HOSTSTATE$ | /bin/nc -q0 irccat-host 12345
}

define command {
    command_name     notify-service-by-irccat
    command_line     /usr/local/share/nagios-plugins/icinga-irccat.py -s "$SERVICEDESC$" -o "$SERVICEOUTPUT$" $HOSTNAME$ $SERVICESTATE$ | /bin/nc -q0 irccat-host 12345
}

icinga-irccat.py

#!/usr/bin/env python
from __future__ import division, absolute_import, print_function, unicode_literals
import argparse

parser = argparse.ArgumentParser(description='Format icinga messages for display through irccat')
parser.add_argument('host', metavar='HOSTNAME')
parser.add_argument('state', metavar='STATE')
parser.add_argument('-s', metavar='SERVICENAME')
parser.add_argument('-o', metavar='OUTPUT')
args = parser.parse_args()

def colour(string, colour):
    return "%%%s%s%%NORMAL" % (colour, string)

def colour_state(state):
    if state in ('UP', 'OK'):
        return colour(state, 'GREEN')
    elif state in ('CRITICAL', 'DOWN'):
        return colour(state, 'RED')
    elif state == 'WARNING':
        return colour(state, 'YELLOW')
    return state

PREFIX = "[%s]" % colour('icinga', 'BOLD')

if args.s:
    print("%s Service %s / %s is %s (%s)" % (PREFIX, colour(args.host, 'BOLD'), colour(args.s, 'BOLD'), 
                                             colour_state(args.state), args.o))
else:
    print("%s Host %s is %s" % (PREFIX, colour(args.host, 'BOLD'), colour_state(args.state)))