Personal Pingdom

isitup.py

"""
Notify someone if a website is unavailable.

Usage:
    isitup.py [-v] <site> <from_email> <to_email> <smtp_user> <smtp_password>
    isitup.py -h|--help
    isitup.py --version

Options:
    -h --help   Print this message
    -v          Print verbose output
    --version   Display the version
"""
from __future__ import print_function

import sys
import urllib2
import smtplib


__author__ = 'Bill Israel <bill.israel@gmail.com>'
__version__ = '0.0.1'

VERBOSE = False

def log(msg):
    if VERBOSE:
        print(msg)

def notify(site, from_email, to_email, user, passw):
    log('{} is down'.format(site))
    msg = '''Subject: Ruh-roh! {0} is down.

    I was unable to get a good response from {0}. Might want to look into it, boss.

    - Uptime Bot
    '''

    try:
        smtp = smtplib.SMTP('smtp.gmail.com:587')
        smtp.starttls()
        smtp.login(user, passw)
        smtp.sendmail(from_email, to_email, msg.format(site))
        smtp.quit()
    except:
        pass


if len(sys.argv) < 5 or sys.argv[1] in ['-h', '--help']:
    print(__doc__.strip())
    sys.exit(0)

if sys.argv[1] == '--version':
    print('isitup.py - version {} - by {}'.format(__version__, __author__))
    sys.exit(0)

if sys.argv[1] == '-v':
    VERBOSE = True
    site, from_email, to_email, smtp_user, smtp_pass = sys.argv[2:]
else: 
    site, from_email, to_email, smtp_user, smtp_pass = sys.argv[1:]

try:
    response = urllib2.urlopen(site)
    if response.getcode() != 200:
        notify(site, from_email, to_email, smtp_user, smtp_pass)
        sys.exit(1)

except urllib2.URLError as ex:
    notify(site, from_email, to_email, smtp_user, smtp_pass)
    sys.exit(1)

log('{} is up'.format(site))