ver_estatus_portales.py

import httplib
import urllib2
from smtplib import SMTP
from email.MIMEMultipart import MIMEMultipart
from email.MIMEText import MIMEText

## defining email alert message
def email_alert(message, urldown):
    toaddrs = ['[email protected]']
    msg = MIMEMultipart()
    msg['Subject'] = 'OFFLINE '+str(urldown)
    msg['From'] = '[email protected] '
    msg['To'] = '[email protected]'
    body = str(message)
    msg.attach(MIMEText(body, 'plain'))
    try:
        smtpObj = SMTP('smtp.gmail.com')
        smtpObj.login('[email protected]','password')
        smtpObj.sendmail('Recipient Name ', toaddrs, msg.as_string())
        smtpObj.quit()
        print 'Alert Email sent'
    except Exception,e:
        print 'Error: unable to send email',e


## defining dictionary of url to check
urls=[
    'google.com',
    'yahoo.com',
    ]

## first we check if internet is available
try:
    urllib2.urlopen("http://google.com", timeout=2)
    for url in urls:
        try:
            ## check if we get url headers
            conn = httplib.HTTPConnection(url)
            conn.request("HEAD", "/")
            r1 = conn.getresponse()
            ## response is ok
            ## check if we get a server error 5xx
            if str(r1.status).startswith('5'):
                email_alert(str(r1.status)+ ' '+str(r1.reason), url)
                print url, '--- OFFLINE: ',r1.status, r1.reason
            else:
                print url,' ONLINE: ',r1.status, r1.reason
        except Exception,e:
            ## response get an exception, print it and send alert email
            print url, '--- OFFLINE: ',str(e)
            email_alert(str(e), url)
        print '-'*30
except urllib2.URLError:
    # there is no connection
    print 'there is no internet connection'