def dettach_vip(cls, context, instance_id):
"""
1.dettach_vip;
2.release_vip if the vip not bind any instance;
:param context:
:param instance_id:
:return:
"""
instance = BuiltInstance.load(context, instance_id)
LOG.info("dettach_vip instance:%s", instance_id)
# try dettach_vip
try:
instance_vip = DBInstanceVip.find_by(context, instance_id=instance.id, deleted=False)
vip_id = instance_vip.vip_id
InstanceVip.deallocate(context, instance.id, purge=False)
except Exception as e:
msg = "Failed dettach_vip from instance:%s, exception:%s" % (instance.id, e)
LOG.error(msg)
raise Exception(msg)
# try release_vip if the vip not bind any instance
try:
vips = DBVips.find_by(context, id=vip_id, deleted=False)
vip = vips.vip
except Exception as e:
LOG.warn("get vips error, vip_id:%s, exception:%s", vip_id, e)
return
try:
inst_list = DBInstanceVip.find_all(vip_id=vip_id, deleted=False)
LOG.debug("dettach_vip find_all by vip_id:%s, inst_list:%s", vip_id, inst_list)
has = False
for inst in inst_list:
LOG.debug("inst:%s, vip_id:%s", inst.id, inst.vip_id)
has = True
if not has:
InstanceVip.release_vip(context, vip)
except Exception as e:
msg = "Failed release_vip with vip:%s, exception:%s" % (vip, e)
LOG.error(msg)
raise Exception(msg)
LOG.info("dettach_vip ok, instance:%s", instance)
def test_deallocate(self):
instance_id = "instance_id"
vip = fake()
vip.id = "vip_id"
vip.lb_id = "lb_id"
vip.mid = "mid"
def delete():
pass
vip.delete = delete
when(models.DBInstanceVip).find_by(any(),instance_id=any(),deleted=any()).thenReturn(vip)
when(instance_vip).delete_member(any(),any()).thenReturn(None)
self.assertEqual(None, vip_service.deallocate(self.context, instance_id))
