is_the_server_up.py

import twilio
import subprocess
import time
import sys

ACCOUNT = "AXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
AUTH = "CNNNNNNNNNNNNNNNNNNNNNNNNNN"
API_VERSION = '2008-08-01'

account = twilio.Account(ACCOUNT, AUTH)

NUMBER = "NNNNNNNNNN"

phone_numbers = [
    "1234567890",
    "1234567890",
    "1234567890",
    "1234567890",
    "1234567890",
]

def send_texts():
    account = twilio.Account(ACCOUNT, AUTH)
    for number in phone_numbers:
        d = { 
            "From": NUMBER,
            "To": number,
            "Body": "THE SERVER IS UP",
        }
        account.request('/%s/Accounts/%s/SMS/Messages' % \
                            (API_VERSION, ACCOUNT), 'POST', d)

if __name__=="__main__":
    while True:
        p = subprocess.Popen(["ssh","-q","SERVER","svnserve","-t"], 
                           stdout=subprocess.PIPE, 
                           stderr=subprocess.PIPE)

        time.sleep(60)
        retcode = p.poll()
        if retcode:
            output = p.stdout.read()
            send_texts()
            sys.exit(0)
        else:
            print "Took too long, starting over"
        
        p.kill()