def allocate_fixed_ip(self, context, tenant_id, quantum_net_id, vif_rec):
"""Allocates a single fixed IPv4 address for a virtual interface."""
admin_context = context.elevated()
network = db.network_get_by_uuid(admin_context, quantum_net_id)
address = None
if network['cidr']:
address = db.fixed_ip_associate_pool(admin_context,
network['id'],
vif_rec['instance_id'])
values = {'allocated': True,
'virtual_interface_id': vif_rec['id']}
db.fixed_ip_update(admin_context, address, values)
return address
def deallocate_ips_by_vif(self, context, tenant_id, net_id, vif_ref):
"""Deallocate all fixed IPs associated with the specified
virtual interface.
"""
admin_context = context.elevated()
fixed_ips = db.fixed_ips_by_virtual_interface(admin_context,
vif_ref['id'])
for fixed_ip in fixed_ips:
db.fixed_ip_update(admin_context, fixed_ip['address'],
{'allocated': False,
'virtual_interface_id': None})
if len(fixed_ips) == 0:
LOG.error(_('No fixed IPs to deallocate for vif %s' %
vif_ref['id']))
