def create_pool(self, context, pool):
# This validation is because the new API version also has a resource
# called pool and these attributes have to be optional in the old API
# so they are not required attributes of the new. Its complicated.
if pool['pool']['lb_method'] == attrs.ATTR_NOT_SPECIFIED:
raise loadbalancerv2.RequiredAttributeNotSpecified(
attr_name='lb_method')
if pool['pool']['subnet_id'] == attrs.ATTR_NOT_SPECIFIED:
raise loadbalancerv2.RequiredAttributeNotSpecified(
attr_name='subnet_id')
provider_name = self._get_provider_name(context, pool['pool'])
p = super(LoadBalancerPlugin, self).create_pool(context, pool)
self.service_type_manager.add_resource_association(
context,
constants.LOADBALANCER,
provider_name, p['id'])
# need to add provider name to pool dict,
# because provider was not known to db plugin at pool creation
p['provider'] = provider_name
driver = self.drivers[provider_name]
try:
driver.create_pool(context, p)
except lb_ext.NoEligibleBackend:
# that should catch cases when backend of any kind
# is not available (agent, appliance, etc)
self.update_status(context, ldb.Pool,
p['id'], constants.ERROR,
"No eligible backend")
raise lb_ext.NoEligibleBackend(pool_id=p['id'])
return p
def _create_port_for_load_balancer(self,
context,
lb_db,
ip_address,
network_id=None):
if lb_db.vip_subnet_id:
assign_subnet = False
# resolve subnet and create port
subnet = self._core_plugin.get_subnet(context, lb_db.vip_subnet_id)
network_id = subnet['network_id']
fixed_ip = {'subnet_id': subnet['id']}
if ip_address and ip_address != n_const.ATTR_NOT_SPECIFIED:
fixed_ip['ip_address'] = ip_address
fixed_ips = [fixed_ip]
elif network_id and network_id != n_const.ATTR_NOT_SPECIFIED:
assign_subnet = True
fixed_ips = n_const.ATTR_NOT_SPECIFIED
else:
attrs = _("vip_subnet_id or vip_network_id")
raise loadbalancerv2.RequiredAttributeNotSpecified(attr_name=attrs)
port_data = {
'tenant_id': lb_db.tenant_id,
'name': 'loadbalancer-' + lb_db.id,
'network_id': network_id,
'mac_address': n_const.ATTR_NOT_SPECIFIED,
'admin_state_up': False,
'device_id': lb_db.id,
'device_owner': n_const.DEVICE_OWNER_LOADBALANCERV2,
'fixed_ips': fixed_ips
}
port = self._core_plugin.create_port(context, {'port': port_data})
lb_db.vip_port_id = port['id']
if assign_subnet:
fixed_ip = self._create_port_choose_fixed_ip(port['fixed_ips'])
lb_db.vip_address = fixed_ip['ip_address']
lb_db.vip_subnet_id = fixed_ip['subnet_id']
else:
for fixed_ip in port['fixed_ips']:
if fixed_ip['subnet_id'] == lb_db.vip_subnet_id:
lb_db.vip_address = fixed_ip['ip_address']
break
