def delete_adv_route(peer_id, adv_route_id):
peer = bgp_peers.find_one({'_id': ObjectId(peer_id)})
adv_route = adv_routes.find_one({'_id': ObjectId(adv_route_id)})
try:
withdraw_route(peer, adv_route)
except ConnectionError:
# Exabgp isn't running, but route won't be advertised when it starts
flash('%s is queued to be withdrawn from %s.' % (adv_route['prefix'], peer['ip']), 'success')
else:
flash('%s has been withdrawn from %s.' % (adv_route['prefix'], peer['ip']), 'success')
adv_routes.remove({'_id': ObjectId(adv_route_id)}, 1)
return redirect(url_for('peer', peer_id=peer_id))
def peer(peer_id):
route_form = AdvertiseRoute()
peer_form = BGPPeer()
peer = bgp_peers.find_one({'_id': ObjectId(peer_id)})
if route_form.validate_on_submit():
# Check if route is already advertised to this peer
if adv_routes.find_one({
'peer': peer['ip'],
'prefix': route_form.prefix.data,
'next-hop': route_form.next_hop.data
}):
flash(
'%s is already being advertised to %s with a next-hop of %s.' %
(route_form.prefix.data, peer.ip, route_form.next_hop.data),
'warning')
# Create the advertised route object
adv_route = {
'prefix': route_form.prefix.data,
'peer': peer['ip'],
'attributes': {
'origin': route_form.origin.data,
'local-preference': route_form.local_pref.data,
'med': route_form.med.data,
'next-hop': route_form.next_hop.data
}
}
adv_routes.insert_one(adv_route)
try:
announce_route(peer, adv_route)
except ConnectionError:
#Exabgp isn't running, but route will be advertised when it starts
flash(
'%s queued to be announced to %s' %
(adv_route['prefix'], peer['ip']), 'success')
else:
flash(
'%s has been announced to %s' %
(adv_route['prefix'], peer['ip']), 'success')
return redirect(url_for('peer', peer_id=peer_id))
if peer_form.validate_on_submit():
bgp_peers.update(peer, {'$set': {'asn': peer_form.asn.data}})
# If there's a change in Peer's enabled state, edit exabgp config
if peer['enabled'] != peer_form.enabled.data:
print 'enabled changed from %s to %s' % (peer['enabled'],
peer_form.enabled.data)
bgp_peers.update(peer,
{'$set': {
'enabled': peer_form.enabled.data
}})
# Rebuild config file and reload ExaBGP config
build_config_file(bgp_config.find_one(), list(bgp_peers.find()))
try:
# Tear down neighbor connection
if not peer_form.enabled.data:
send_exabgp_command('neighbor %s teardown 4' % peer['ip'])
bgp_peers.update_one(
{'ip': peer['ip']},
{'$set': {
'state': 'down',
'current_prefixes': []
}})
exabpg_process('reload')
except ConnectionError:
# Ignore because ExaBGP will re-read config when it starts
pass
flash('Changes saved', 'success')
return redirect(url_for('peer', peer_id=peer_id))
else:
advertised_routes = adv_routes.find({'peer': peer['ip']})
peer_form.ip_address.data = peer['ip']
peer_form.asn.data = peer['asn']
try:
peer_form.enabled.data = peer['enabled']
except KeyError:
peer_form.enabled.data = False
return render_template('peer_info.html',
peer=peer,
route_form=route_form,
peer_form=peer_form,
advertised_routes=advertised_routes)
def peer(peer_id):
route_form = AdvertiseRoute()
peer_form = BGPPeer()
peer = bgp_peers.find_one({'_id': ObjectId(peer_id)})
if route_form.validate_on_submit():
# Check if route is already advertised to this peer
if adv_routes.find_one(
{'peer': peer['ip'], 'prefix': route_form.prefix.data, 'next-hop': route_form.next_hop.data}):
flash('%s is already being advertised to %s with a next-hop of %s.' % (
route_form.prefix.data, peer.ip, route_form.next_hop.data), 'warning')
# Create the advertised route object
adv_route = {
'prefix': route_form.prefix.data,
'peer': peer['ip'],
'attributes': {
'origin': route_form.origin.data,
'local-preference': route_form.local_pref.data,
'med': route_form.med.data,
'next-hop': route_form.next_hop.data
}
}
adv_routes.insert_one(adv_route)
try:
announce_route(peer, adv_route)
except ConnectionError:
# Exabgp isn't running, but route will be advertised when it starts
flash('%s queued to be announced to %s' % (adv_route['prefix'], peer['ip']), 'success')
else:
flash('%s has been announced to %s' % (adv_route['prefix'], peer['ip']), 'success')
return redirect(url_for('peer', peer_id=peer_id))
if peer_form.validate_on_submit():
bgp_peers.update(peer, {'$set': {'asn': peer_form.asn.data}})
# If there's a change in Peer's enabled state, edit exabgp config
if peer['enabled'] != peer_form.enabled.data:
print 'enabled changed from %s to %s' % (peer['enabled'], peer_form.enabled.data)
bgp_peers.update(peer, {'$set': {'enabled': peer_form.enabled.data}})
# Rebuild config file and reload ExaBGP config
build_config_file(bgp_config.find_one(), list(bgp_peers.find()))
try:
# Tear down neighbor connection
if not peer_form.enabled.data:
send_exabgp_command('neighbor %s teardown 4' % peer['ip'])
bgp_peers.update_one({'ip': peer['ip']}, {'$set': {'state': 'down', 'current_prefixes': []}})
exabpg_process('reload')
except ConnectionError:
# Ignore because ExaBGP will re-read config when it starts
pass
flash('Changes saved', 'success')
return redirect(url_for('peer', peer_id=peer_id))
else:
advertised_routes = adv_routes.find({'peer': peer['ip']})
peer_form.ip_address.data = peer['ip']
peer_form.asn.data = peer['asn']
try:
peer_form.enabled.data = peer['enabled']
except KeyError:
peer_form.enabled.data = False
return render_template('peer_info.html', peer=peer, route_form=route_form, peer_form=peer_form,
advertised_routes=advertised_routes)
