uncloud/uncloud_net/services.py

48 lines
1.6 KiB
Python
Raw Normal View History

from django.db import transaction
2020-12-13 12:28:43 +00:00
from .models import *
2020-12-13 12:28:43 +00:00
from .selectors import *
from .tasks import *
@transaction.atomic
2020-12-13 16:59:35 +00:00
def create_wireguard_vpn(owner, public_key, network_mask):
2020-12-13 16:59:35 +00:00
pool = get_suitable_pools(network_mask)[0]
count = pool.wireguardvpn_set.count()
# Try re-using previously used networks first
2020-12-13 16:59:35 +00:00
try:
free_lease = WireGuardVPNFreeLeases.objects.get(vpnpool=pool)
vpn = WireGuardVPN.objects.create(owner=owner,
vpnpool=pool,
pool_index=free_lease.pool_index,
wireguard_public_key=public_key)
free_lease.delete()
except WireGuardVPNFreeLeases.DoesNotExist:
# First object
if count == 0:
vpn = WireGuardVPN.objects.create(owner=owner,
vpnpool=pool,
pool_index=0,
wireguard_public_key=public_key)
else: # Select last network and try +1 it
last_net = WireGuardVPN.objects.filter(vpnpool=pool).order_by('pool_index').last()
next_index = last_net.pool_index + 1
if next_index <= pool.max_pool_index:
vpn = WireGuardVPN.objects.create(owner=owner,
vpnpool=pool,
pool_index=next_index,
wireguard_public_key=public_key)
configure_wireguard_server(pool)
return vpn