def __associate_floating_ip_neutron(server_id):
"""
associate floating ip to vm in neutron
"""
# 如果 vm 直接连接到外部网络，那么返回 vm 在外部网络上的 ip
direct_external_ip = _get_vm_direct_external_ip(server_id)
if direct_external_ip:
# 在本地数据库删除此 IP
floating_ip_manager.delete_floating_ip_address(direct_external_ip)
return direct_external_ip
# 否则找到一个与外部网络有路由关系的内部网络，再分配 floating ip
external_net_id = get_vm_external_net_id(server_id)
if not external_net_id:
return None
ip = floating_ip_manager.allocate_ip(external_net_id)
ip_address = ip['address']
ip_id = ip['id']
update_dict = {}
update_dict['port_id'] = get_vm_net_port_id(server_id)
try:
NEUTRON_CLI.update_floatingip(ip_id, {'floatingip': update_dict})
except:
floating_ip_manager.reclaim_ip(ip_address)
raise
return ip_address
def __disassociate_floating_ip_neutron(server_id):
"""
disassociate floating ip from vm in neutron
"""
vm = NOVA_CLI.servers.get(server_id)
if vm:
port_id = get_vm_net_port_id(server_id)
param = {'port_id': port_id}
floating_ips = NEUTRON_CLI.list_floatingips(**param)
if floating_ips['floatingips']:
for ip in floating_ips['floatingips']:
floating_ip_manager.reclaim_ip(ip['floating_ip_address'])
update_dict = {}
update_dict['port_id'] = None
NEUTRON_CLI.update_floatingip(ip['id'],
{'floatingip': update_dict})
def __disassociate_floating_ip_nova_network(server):
"""
disassociate floating ip with server in nova network
"""
vm = NOVA_CLI.servers.get(server)
addresses = vm.addresses if vm.addresses else None
if addresses:
net_name = list(addresses.keys())[0]
net_addresses = addresses[net_name]
floating_ip = None
for addr in net_addresses:
if addr['OS-EXT-IPS:type'] == 'floating':
floating_ip = addr['addr']
break
if floating_ip:
NOVA_CLI.servers.remove_floating_ip(vm.id, floating_ip)
floating_ip_manager.reclaim_ip(floating_ip)