Openstack添加新的计算节点，报错：实例构建已中止：未知认证类型：None

Question

Openstack版本：Queens
网络类型：vlan
Openstack 新添加计算节点，之后创建虚拟机报错如下：

查看计算节点nova-compute.log

2019-04-04 08:58:29.288 25033 ERROR nova.compute.manager [req-61be4c78-991e-4c59-ae6c-81c0db6b49d0 e5029b459c3d4c36bb02570dca7ece7a b6eb86a5853b45f98e89c69a2136f5ff - default default] [instance: 9f8d906e-d2a2-40db-9e6d-08835958f834] 实例9f8d906e-d2a2-40db-9e6d-08835958f834的构建已中止：未知认证类型：None: BuildAbortException: u5b9eu4f8b9f8d906e-d2a2-40db-9e6d-08835958f834u7684u6784u5efau5df2u4e2du6b62uff1au672au77e5u8ba4u8bc1u7c7bu578buff1aNone
2019-04-04 08:58:29.288 25033 ERROR nova.compute.manager [instance: 9f8d906e-d2a2-40db-9e6d-08835958f834] Traceback (most recent call last):
2019-04-04 08:58:29.288 25033 ERROR nova.compute.manager [instance: 9f8d906e-d2a2-40db-9e6d-08835958f834]   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1841, in _do_build_and_run_instance
2019-04-04 08:58:29.288 25033 ERROR nova.compute.manager [instance: 9f8d906e-d2a2-40db-9e6d-08835958f834]     filter_properties, request_spec)
2019-04-04 08:58:29.288 25033 ERROR nova.compute.manager [instance: 9f8d906e-d2a2-40db-9e6d-08835958f834]   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2063, in _build_and_run_instance
2019-04-04 08:58:29.288 25033 ERROR nova.compute.manager [instance: 9f8d906e-d2a2-40db-9e6d-08835958f834]     bdms=block_device_mapping)
2019-04-04 08:58:29.288 25033 ERROR nova.compute.manager [instance: 9f8d906e-d2a2-40db-9e6d-08835958f834]   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in exit
2019-04-04 08:58:29.288 25033 ERROR nova.compute.manager [instance: 9f8d906e-d2a2-40db-9e6d-08835958f834]     self.force_reraise()
2019-04-04 08:58:29.288 25033 ERROR nova.compute.manager [instance: 9f8d906e-d2a2-40db-9e6d-08835958f834]   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2019-04-04 08:58:29.288 25033 ERROR nova.compute.manager [instance: 9f8d906e-d2a2-40db-9e6d-08835958f834]     six.reraise(self.type_, self.value, self.tb)
2019-04-04 08:58:29.288 25033 ERROR nova.compute.manager [instance: 9f8d906e-d2a2-40db-9e6d-08835958f834]   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2035, in _build_and_run_instance
2019-04-04 08:58:29.288 25033 ERROR nova.compute.manager [instance: 9f8d906e-d2a2-40db-9e6d-08835958f834]     instance=instance)
2019-04-04 08:58:29.288 25033 ERROR nova.compute.manager [instance: 9f8d906e-d2a2-40db-9e6d-08835958f834]   File "/usr/lib64/python2.7/contextlib.py", line 35, in exit
2019-04-04 08:58:29.288 25033 ERROR nova.compute.manager [instance: 9f8d906e-d2a2-40db-9e6d-08835958f834]     self.gen.throw(type, value, traceback)
2019-04-04 08:58:29.288 25033 ERROR nova.compute.manager [instance: 9f8d906e-d2a2-40db-9e6d-08835958f834]   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2279, in _build_resources
2019-04-04 08:58:29.288 25033 ERROR nova.compute.manager [instance: 9f8d906e-d2a2-40db-9e6d-08835958f834]     reason=six.text_type(exc))
2019-04-04 08:58:29.288 25033 ERROR nova.compute.manager [instance: 9f8d906e-d2a2-40db-9e6d-08835958f834] BuildAbortException: u5b9eu4f8b9f8d906e-d2a2-40db-9e6d-08835958f834u7684u6784u5efau5df2u4e2du6b62uff1au672au77e5u8ba4u8bc1u7c7bu578buff1aNone
2019-04-04 08:58:29.288 25033 ERROR nova.compute.manager [instance: 9f8d906e-d2a2-40db-9e6d-08835958f834] 
2019-04-04 08:58:29.626 25033 INFO nova.scheduler.client.report [req-61be4c78-991e-4c59-ae6c-81c0db6b49d0 e5029b459c3d4c36bb02570dca7ece7a b6eb86a5853b45f98

Answer 1

分析应该是ovs网桥的问题，具体原因应该是在openvswitch服务没有启动时就添加br-X网桥导致ovs服务有人为，重启计算节点的ovs服务，发现openvswitch-agent.log日报报错，
解决办法：

重新安装openvswitch包

yum remove openstack-neutron-openvswitch -y
yum install openstack-neutron-openvswitch -y

及配置neutron配置文件，重启计算及网络服务。问题解决。