Инструкция по эксплуатации:

Usage: site_down_notifier.py -s http://site.com -n email@site.com
Options:
  --version             show program's version number and exit
  -h, --help            show this help message and exit
  -s SITE, --site=SITE  define site for monitoring (url like http://site.com/)
  -n EMAILS, --notify=EMAILS
                        emails for notification (comma separated)
  -r STR, --str=STR     phrase for checking on your site page
  -t TLS, --mailtls=TLS
                        use secure email connection (True/1, False/0)
  -m SERVER, --mailserver=SERVER
                        mail server (smtp.gmail.com)
  -p PORT, --mailport=PORT
                        smtp port of mail server (25)
  -w PASSWORD, --mailpass=PASSWORD
                        password for mail server
  -b EMAIL, --mailbox=EMAIL
                        account for mail server

Исходный код скрипта:

 
 
#! /usr/bin/python
 
import smtplib
import httplib
import sys
import re
from optparse import OptionParser
from pprint import pprint
 
class GMailer:
 
    def __init__(self, server, port, login, password, tls = False):
        if tls:
            self._server = smtplib.SMTP_SSL(server, port)
        else:
            self._server = smtplib.SMTP(server, port)
 
        self._login = login
        self._server.set_debuglevel(1)
        self._server.login(login, password)
 
    def send(self, to, subject, message):
        msg = ("From: %s\r\nTo: %s\r\nSubject: %s\r\n\r\n%s"
               % (self._login, to, subject, message))
 
        return self._server.sendmail(self._login, to, msg) 
 
    def close(self):
        self._server.quit()
 
parser = OptionParser(usage = "%prog -s http://site.com -n email@site.com", version="%prog 1.0")
parser.add_option("-s", "--site", dest="site",help="define site for monitoring (url like http://site.com/)", metavar="SITE")
parser.add_option("-n", "--notify", dest="emails", help="emails for notification (comma separated)", metavar="EMAILS")
parser.add_option("-r", "--str", dest="sitestr", help="phrase for checking on your site page", metavar="STR", default = "")
parser.add_option("-t", "--mailtls", dest="tls", help="use secure email connection (True/1, False/0)", metavar="TLS", default=False)
parser.add_option("-m", "--mailserver", dest="mailserver", help="mail server (smtp.gmail.com)", metavar="SERVER")
parser.add_option("-p", "--mailport", dest="mailport", help="smtp port of mail server (25)", metavar="PORT", default=25)
parser.add_option("-w", "--mailpass", dest="mailpass", help="password for mail server", metavar="PASSWORD")
parser.add_option("-b", "--mailbox", dest="mailbox", help="account for mail server", metavar="EMAIL")
 
(options, args) = parser.parse_args()
 
if options.site and options.emails and options.mailserver and options.mailpass:
    error = ""
 
    result = re.search("^(http|https)://([\w.-]*)(.*)", options.site)
 
    if result.lastindex < 3:
        print("Wrong url: %s" % (options.site))
        exit()
    else:
        try:
            if result.group(1) == "https":
                conn = httplib.HTTPSConnection(result.group(2), timeout=100)
            else:
                conn = httplib.HTTPConnection(result.group(2), timeout=100)
            conn.request("GET", result.group(3))
            r1 = conn.getresponse()    
 
            if(r1.status != 200):
                error = "host unavailable"
            elif (options.sitestr != "") and (r1.read().find(options.sitestr) <= 0):
                error = "wrong content on home"
        except:
            error = "host not found"
 
        if error != "":
            mailer = GMailer(options.mailserver, options.mailport, options.mailbox, options.mailpass, options.tls)
            for email in options.emails.split(","):
                if mailer.send(email, "psycare", error):
                    print("Report to %s sent" % (email))
            mailer.close()
            print("errors sent")
        else:
            print("everything is ok")
else:
    print "not enough parameters"