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Authored by Dzahn on Dec 28 2017, 10:49 PM.

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	#!/usr/bin/python
	# icinga_sms.py
	#
	# send SMS to Icinga contacts
	#
	# https://phabricator.wikimedia.org/T82937
	# 2017 - Daniel Zahn - Wikimedia Foundation
	#
	import sys
	import argparse
	import re
	import smtplib

	# full path to an Icinga contacts.cfg file
	contacts_file = '/home/dzahn/contacts.cfg'

	# mail sent from einsteinium.wikimedia.org (icinga server) uses these
	mail_from = "icinga@wikimedia.org"
	mail_server = 'mx1001.wikimedia.org'

	# get address for a user from an Icinga contacts file
	#
	# In the Wikimedia setup, 'address1' is used in Icinga contact
	# definitions for an email address (containing a phone number)
	# to be used with an Email2SMS gateway.
	# Therefore e-mailing that address means sending SMS to users.
	def get_address(contact_name):
	with open(contacts_file, "rt") as contacts_data:
	contact_data = contacts_data.read()
	contact_data = contact_data.split("contact_name")
	for contact in contact_data:
	if contact_name in contact:
	regex = re.compile("address1\s+\d+@.(.?)")
	regex.search(contact)
	address1 = regex.search(contact).group(0).split("address1")
	return address1[1].strip()

	# send an e-mail
	def send_email(mail_to, mail_msg, mail_server = 'mx1001.wikimedia.org', mail_from = "icinga@wikimedia.org"):
	server = smtplib.SMTP(mail_server)
	server.sendmail(mail_from, mail_to, mail_msg)
	server.quit()

	# list all contact names found in the contacts file
	def list_contacts_all(contacts_file):
	contact_list=[]
	with open(contacts_file, "rt") as contacts_data:
	for line in contacts_data:
	if "contact_name" in line:
	contact_name = line.split("contact_name")
	contact_list.append(contact_name[1].strip())
	return sorted(contact_list, key=str.lower)

	# list all contact names who can receive SMS (have an address1 set)
	def list_contacts_sms(contacts_file):
	contact_list=[]
	with open(contacts_file, "rt") as contacts_data:
	contact_data = contacts_data.read()
	contact_data = contact_data.split("define contact")
	for contact in contact_data:
	regex = re.compile("address1\s+\d+@.(.?)")
	if regex.search(contact):
	contact_name = contact.split("contact_name")
	contact_name = contact_name[1].split("\n")
	contact_list.append(contact_name[0].strip())

	return sorted(contact_list, key=str.lower)

	# parse command-line arguments
	parser = argparse.ArgumentParser()
	parser.add_argument("-l", "--list", action='store_true', help="List all contacts who can be sent SMS")
	parser.add_argument("-lf", "--listfull", action='store_true', help="List all contacts who can be sent SMS along with their addresses.")
	parser.add_argument("-la", "--listall", action='store_true', help="List all contacts found in contact file")
	parser.add_argument("-a", "--address", nargs=1, help="Get the address for a contact name.")
	parser.add_argument("-s", "--send", nargs=2, help="Send SMS to a contact name.")

	if len(sys.argv)==1:
	parser.print_help()
	sys.exit(1)

	args = parser.parse_args()

	# list all contacts in the Icinga contacts file who can be sent SMS (usage: -l \| --list)
	if args.list:
	print ("\n".join(list_contacts_sms(contacts_file)))

	# list all contacts in the Icinga contacts file (usage: -la \| --listall)
	if args.listall:
	print ("\n".join(list_contacts_all(contacts_file)))

	# list all possible (SMS'able) contacts along with their address1
	if args.listfull:
	contact_list = list_contacts_sms(contacts_file)
	for contact_name in contact_list:
	contact_addr=get_address(contact_name)
	print "%s %s" % (contact_name, contact_addr)

	# get the address for an Icinga contact name (usage: -a \| --address <contact_name>)
	if args.address:
	contact_name = sys.argv[2]
	# print "looking up address for '%s'" % contact_name
	contact_addr=get_address(contact_name)
	print contact_addr

	# send SMS (via E-mail gateway) to an Icinga contact name
	if args.send:
	contact_name = sys.argv[2]
	mail_msg = sys.argv[3]
	contact_addr = get_address(contact_name)
	print "sending email to SMS gateway for %s at %s \| content: '%s' (from: %s via %s)" % (contact_name, contact_addr, mail_msg, mail_from, mail_server)
	# send_email(contact_addr, mail_msg)

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Dzahn created this paste.Dec 28 2017, 10:49 PM

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(An Untitled Masterwork)
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