创建 network 失败
错误描述：No tenant network is available for allocation.
[root@controller ~]# neutron net-create ywj-net
neutron CLI is deprecated and will be removed in the future. Use openstack CLI instead.
Unable to create the network. No tenant network is available for allocation.
Neutron server returns request_ids: ['req-3f772b74-2791-4150-b007-187d0433841a']
查看日志：
[root@controller ml2]# vim /var/log/neutron/server.log
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation [req-3f772b74-2791-4150-b007-187d0433841a d6aa5398f9984fe6ab59fb6bcfae4b86 e487f0b6dd5f49e4abf69649c9130560 - default default] POST failed.: NoNetworkAvailable: Unable to create the network. No tenant network is available for allocation.
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation Traceback (most recent call last):
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/pecan/core.py", line 683, in __call__
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation self.invoke_controller(controller, args, kwargs, state)
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/pecan/core.py", line 574, in invoke_controller
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation result = controller(*args, **kwargs)
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/neutron_lib/db/api.py", line 139, in wrapped
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation setattr(e, '_RETRY_EXCEEDED', True)
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation self.force_reraise()
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation six.reraise(self.type_, self.value, self.tb)
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/neutron_lib/db/api.py", line 135, in wrapped
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation return f(*args, **kwargs)
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/oslo_db/api.py", line 154, in wrapper
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation ectxt.value = e.inner_exc
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation self.force_reraise()
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation six.reraise(self.type_, self.value, self.tb)
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/oslo_db/api.py", line 142, in wrapper
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation return f(*args, **kwargs)
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/neutron_lib/db/api.py", line 183, in wrapped
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation LOG.debug("Retry wrapper got retriable exception: %s", e)
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation self.force_reraise()
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation six.reraise(self.type_, self.value, self.tb)
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/neutron_lib/db/api.py", line 179, in wrapped
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation return f(*dup_args, **dup_kwargs)
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/neutron/pecan_wsgi/controllers/utils.py", line 76, in wrapped
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation return f(*args, **kwargs)
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/neutron/pecan_wsgi/controllers/resource.py", line 163, in post
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation return self.create(resources)
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/neutron/pecan_wsgi/controllers/resource.py", line 181, in create
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation return {key: creator(*creator_args, **creator_kwargs)}
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/neutron/common/utils.py", line 687, in inner
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation return f(self, context, *args, **kwargs)
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/neutron_lib/db/api.py", line 233, in wrapped
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation return method(*args, **kwargs)
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/neutron_lib/db/api.py", line 139, in wrapped
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation setattr(e, '_RETRY_EXCEEDED', True)
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation self.force_reraise()
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation six.reraise(self.type_, self.value, self.tb)
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/neutron_lib/db/api.py", line 135, in wrapped
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation return f(*args, **kwargs)
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/oslo_db/api.py", line 154, in wrapper
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation ectxt.value = e.inner_exc
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation self.force_reraise()
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation six.reraise(self.type_, self.value, self.tb)
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/oslo_db/api.py", line 142, in wrapper
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation return f(*args, **kwargs)
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/neutron_lib/db/api.py", line 183, in wrapped
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation LOG.debug("Retry wrapper got retriable exception: %s", e)
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation self.force_reraise()
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation six.reraise(self.type_, self.value, self.tb)
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/neutron_lib/db/api.py", line 179, in wrapped
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation return f(*dup_args, **dup_kwargs)
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/neutron/plugins/ml2/plugin.py", line 1047, in create_network
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation result, mech_context = self._create_network_db(context, network)
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/neutron/plugins/ml2/plugin.py", line 1006, in _create_network_db
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation tenant_id)
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/neutron/plugins/ml2/managers.py", line 226, in create_network_segments
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation context, filters=filters)
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation File "/usr/lib/python2.7/site-packages/neutron/plugins/ml2/managers.py", line 315, in _allocate_tenant_net_segment
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation raise exc.NoNetworkAvailable()
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation NoNetworkAvailable: Unable to create the network. No tenant network is available for allocation.
2020-08-10 15:09:55.585 31524 ERROR neutron.pecan_wsgi.hooks.translation
2020-08-10 15:09:55.616 31524 INFO neutron.wsgi [req-3f772b74-2791-4150-b007-187d0433841a d6aa5398f9984fe6ab59fb6bcfae4b86 e487f0b6dd5f49e4abf69649c9130560 - default default] 192.168.8.211 "POST /v2.0/networks HTTP/1.1" status: 503 len: 369 time: 1.1541748
错误原因，配置文件不对：
[root@controller ml2]# vim /etc/neutron/plugins/ml2/ml2_conf.ini
# 添加如下内容：
[ml2_type_vlan]
network_vlan_ranges = external:2259:2260,service:2246:2258,management
[ml2_type_vxlan]
vni_ranges = 10001:65535
修改完重启 neutron-server
[root@controller ~]# systemctl restart neutron-server.service
neutron-agent-list 没有 nova 上的 agent
查看 ovs 日志
[root@compute ~]# vim /var/log/openvswitch/ovs-vswitchd.log
问题解决：在 ovs 配置文件中配置了 ovs 网桥信息，但是在 compute 节点没有创建对应的网桥,创建对应的 ovs 网桥