Send notifications to BGP peers using our old AS number

notify.py

from napalm import get_network_driver
from pprint import pprint
from peeringdb import PeeringDB
import twentyc
import smtplib



driver = get_network_driver('junos')
device = driver('router-hostname', 'username', '') # No password, doing pubkey auth
device.open()


bgp_neighs = device.get_bgp_neighbors()
peers_as_list = []

for peer,attributes in bgp_neighs['global']['peers'].iteritems():
    if attributes['local_as'] == 999999:  # remplace with AS#
        if not attributes['remote_as'] in peers_as_list:
            peers_as_list.append(attributes['remote_as'])


#pprint(peers_as_list)


pdb = PeeringDB()
net = pdb.type_wrap('net')
poc = pdb.type_wrap('poc')

entity_list = []

for asn in peers_as_list:
    emails_to_contact = []
    found_contact = False
    try:
        network_id = net.all(asn=asn)[0]['id']
        network_name = net.all(asn=asn)[0]['name']
        POCs = poc.all(net_id=network_id)

        for contact in POCs:
            if 'noc' in contact['email'] or 'peering' in contact['email']:
                found_contact = True
                if not contact['email'] in emails_to_contact:
                    emails_to_contact.append(contact['email'])
                    break
        for contact in POCs:
            if found_contact:
                break
            if not contact['email'] in emails_to_contact:
                emails_to_contact.append(contact['email'])
        entity_list.append({"name":network_name,"asn":asn,"emails":emails_to_contact})
    except twentyc.rpc.client.NotFoundException:
        print "Can't find peeringDB entry for AS " + str(asn)


message_body = """\
Dear AMS-IX peer,

The body of the email.

Thank you,

--
Arzhel Younsi
Network Engineer
Wikimedia Foundation
"""

server = smtplib.SMTP('smtp.gmail.com:587')
server.starttls()
server.login('email','password')

from_addr = 'sender@email.com'


for entity in entity_list:
    try:
        to_addr_list = entity['emails']           
        cc_addr_list = []
        subject      = 'Email subject to ' + entity['name']
        header  = 'From: %s\n' % from_addr
        header += 'To: %s\n' % ','.join(to_addr_list).encode('utf-8')
        header += 'Cc: %s\n' % ','.join(cc_addr_list).encode('utf-8')
        header += 'Subject: %s\n\n' % subject.encode('utf-8')
        message = header + message_body.encode('utf-8')
        problems = server.sendmail(from_addr, to_addr_list, message)
        #pprint(problems)
        print("Email sent to AS " + str(entity['asn']) + " - " + entity['name'])
    except:
        print "Failed to email AS " + str(entity['asn']) + " - " + entity['name']
        pass

server.quit()