Python Alarms

import smtplib
import os
import syslog
import requests
import subprocess
from email.mime.text import MIMEText

def alarmLocalHTTPPing():
	millis = requests.get("http://127.0.0.1").elapsed.microseconds # /1000 ?
	if millis > 100:
		return "localhost responded in " + str(millis) + " milliseconds"
	return False

def alarmRootDiskSpace():
	percent_threshold = 90

	stats = os.statvfs("/")
	percent_free = stats.f_bavail * 100 / stats.f_blocks

	if percent_free<(100-percent_threshold):
		return 'Percentage of root disk free: ' + percent_free + '%'
	return False

def alarmCurrentSessions():
	raw_output = subprocess.check_output("/usr/bin/w")
	lines = raw_output.splitlines()
	
	if (len(lines)<3):
		return False
	
	message = "The following TTY sessions are open:\n"
	for i in range(2,len(lines)):
		split_parts = lines[i].split()
		name = split_parts[0]
		tty = split_parts[1]
		from_host = split_parts[2]
		logintime = split_parts[3]
		message = message + "User: " + name + ", TTY: " + tty + ", Login Location: " + from_host + ", Time of Login: " + logintime
	return message

def raiseEmailAlarm(message):
	msg = MIMEText('Alarm Contents: ' + message)
	from_addr = 'system@server.com'
	to_addr = 'contact@ian.mn'

	msg['Subject'] = '[ALERT] Alert generated from secureserver'
	msg['From'] = from_addr
	msg['To'] = to_addr

	s = smtplib.SMTP('localhost')
	s.sendmail(from_addr, [to_addr], msg.as_string())
	s.quit()
	
def raiseHTTPAlarm(message):
	postdata = {'message': message, 'user': 'contact@ian.mn'}
	#requests.get("https://supersecurealert.com/api/", params=postdata)

def processAlarms():
	alarms = list()
	alarms.append(alarmLocalHTTPPing())
	alarms.append(alarmCurrentSessions())
	alarms.append(alarmRootDiskSpace())
	
	for alarm in alarms:
		if alarm != False:
			syslog.syslog(alarm)
			raiseEmailAlarm(alarm)
			# OR #
			raiseHTTPAlarm(alarm)

processAlarms()