def config():
config_form = ConfigForm()
peer_form = BGPPeer()
if config_form.validate_on_submit():
bgp_config.update(bgp_config.find_one(),
{'$set': {
'local-as': int(config_form.asn.data),
'router-id': config_form.router_id.data,
'local-address': config_form.local_ip.data
}
})
flash('Config successfully updated.', 'success')
return redirect(url_for('config', _anchor='exabgp'))
if peer_form.validate_on_submit():
try:
# Create the new peer
new_peer = {
'ip': peer_form.ip_address.data,
'asn': int(peer_form.asn.data),
'state': 'down',
'enabled': peer_form.enabled.data
}
bgp_peers.insert_one(new_peer)
except:
flash('Error adding peer %s.' % peer_form.ip_address.data, 'warning')
else:
flash('Peer %s added' % peer_form.ip_address.data, 'success')
return redirect(url_for('config', _anchor='peers'))
else:
peers = list(bgp_peers.find())
config = bgp_config.find_one()
prefix_counts = {}
for peer in bgp_peers.find():
prefix_counts[peer['ip']] = {
'received': len(bgp_peers.distinct('current_prefixes', {'ip': {'$eq': peer['ip']}})),
'advertised': len(adv_routes.distinct('prefix', {'peer': {'$eq': peer['ip']}}))
}
config_form.asn.data = config['local-as']
config_form.router_id.data = config['router-id']
config_form.local_ip.data = config['local-address']
return render_template('config.html', peers=peers, config=config,
config_form=config_form, peer_form=peer_form, prefix_counts=prefix_counts)
def config():
config_form = ConfigForm()
peer_form = BGPPeer()
if config_form.validate_on_submit():
bgp_config.update(bgp_config.find_one(),
{'$set': {
'local-as': int(config_form.asn.data),
'router-id': config_form.router_id.data,
'local-address': config_form.local_ip.data
}
})
flash('Config successfully updated.', 'success')
return redirect(url_for('config', _anchor='exabgp'))
if peer_form.validate_on_submit():
try:
# Create the new peer
new_peer = {
'ip': peer_form.ip_address.data,
'asn': int(peer_form.asn.data),
'state': 'down',
'enabled': peer_form.enabled.data
}
bgp_peers.insert_one(new_peer)
except:
flash('Error adding peer %s.' % peer_form.ip_address.data, 'warning')
else:
flash('Peer %s added' % peer_form.ip_address.data, 'success')
return redirect(url_for('config', _anchor='peers'))
else:
peers = list(bgp_peers.find())
config = bgp_config.find_one()
prefix_counts = {}
for peer in bgp_peers.find():
prefix_counts[peer['ip']] = {
'received': len(bgp_peers.distinct('current_prefixes', {'ip': {'$eq': peer['ip']}})),
'advertised': len(adv_routes.distinct('prefix', {'peer': {'$eq': peer['ip']}}))
}
config_form.asn.data = config['local-as']
config_form.router_id.data = config['router-id']
config_form.local_ip.data = config['local-address']
return render_template('config.html', peers=peers, config=config,
config_form=config_form, peer_form=peer_form, prefix_counts=prefix_counts)
def exabgp_status():
current_config = bgp_config.find_one()
# Update database
if is_exabgp_running():
bgp_config.update(current_config, {'$set': {'state': 'running'}})
else:
bgp_config.update(current_config, {'$set': {'state': 'stopped'}})
return jsonify(state=current_config['state'],
last_start=current_config['last_start'],
last_stop=current_config['last_stop'])
def config_action(action):
current_config = bgp_config.find_one()
peers = list(bgp_peers.find())
#Rebuild config file before reload action
if action == 'reload':
build_config_file(current_config, peers)
# Send action control to ExaBGP
result = exabpg_process(action)
# Update ExaBGP state and last_start
current_config = bgp_config.find_one()
if action == 'stop':
bgp_config.update(
current_config,
{'$set': {
'state': 'stopped',
'last_stop': datetime.now()
}})
elif action == 'restart':
bgp_config.update(
current_config, {
'$set': {
'state': 'running',
'last_start': datetime.now(),
'last_stop': datetime.now()
}
})
elif action == 'start':
bgp_config.update(
current_config,
{'$set': {
'state': 'running',
'last_start': datetime.now()
}})
return jsonify(result=result), 200
def config_action(action):
current_config = bgp_config.find_one()
peers = list(bgp_peers.find())
# Rebuild config file before reload action
if action == 'reload':
build_config_file(current_config, peers)
# Send action control to ExaBGP
result = exabpg_process(action)
# Update ExaBGP state and last_start
current_config = bgp_config.find_one()
if action == 'stop':
bgp_config.update(current_config, {'$set': {'state': 'stopped', 'last_stop': datetime.now()}})
elif action == 'restart':
bgp_config.update(current_config,
{'$set': {'state': 'running', 'last_start': datetime.now(), 'last_stop': datetime.now()}})
elif action == 'start':
bgp_config.update(current_config, {'$set': {'state': 'running', 'last_start': datetime.now()}})
return jsonify(result=result), 200
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)
