#!/usr/bin/env python
import sys
import optparse
from os import path

sys.path.append(path.join(path.dirname(__file__), '..'))
import humbug

# Nagios passes the notification details as command line options.
# In Nagios, "output" means "first line of output", and "long
# output" means "other lines of output".
parser = optparse.OptionParser()
parser.add_option('--output',      default='')
parser.add_option('--long-output', default='')
for opt in ('type', 'host', 'service', 'state'):
    parser.add_option('--' + opt)
(opts, args) = parser.parse_args()

msg = dict(type='stream', to='nagios')

# Set a subject based on the host or service in question.  This enables
# threaded discussion of multiple concurrent issues, and provides useful
# context when narrowed.
#
# We send PROBLEM and RECOVERY messages to the same subject.
if opts.service is None:
    # Host notification
    thing = 'host'
    msg['subject'] = 'host %s' % (opts.host,)
else:
    # Service notification
    thing = 'service'
    msg['subject'] = 'service %s on %s' % (opts.service, opts.host)

# e.g. **PROBLEM**: service is CRITICAL
msg['content'] = '**%s**: %s is %s' % (opts.type, thing, opts.state)

# The "long output" can contain newlines represented by "\n" escape sequences.
# The Nagios mail command uses /usr/bin/printf "%b" to expand these.
# We will be more conservative and handle just this one escape sequence.
output = (opts.output + '\n' + opts.long_output.replace(r'\n', '\n')).strip()
if output:
    # Block-quote any command output.
    msg['content'] += ('\n\n' + '\n'.join('> ' + ln for ln in output.splitlines()))

client = humbug.Client(
    email   = 'humbug+nagios@humbughq.com',
    api_key = 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx',
    site    = 'https://staging.humbughq.com')
client.send_message(msg)