OpenStack 问题汇总，错误解决

作者

近日在学习OpenStack，使用时遇到些问题，故记录下。

安装的为官网目前最新版Liberty，我一开始下载安装的是早期版本（Earliest Version），发现有Dashboard登陆不进的情况，而且装了两台机都是一样的情况，登陆界面一直报“Unable to retrieve authorized projects.”错误，尝试许多方法都无效；故之后换最新版本（Most Recent Version），使用同样的安装配置却无此问题。

其它问题：

  1. 创建云主机时报错，提示Unexpected API Error,如图
    Error1
    查看nova-api日记录：

    [root@node1 ~]# tailf /var/log/nova/api.log | grep "ERROR"           
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions [req-3180a7e7-1769-4399-bcb3-65765704d1ed 77a9e2da31934c089612b132eb1317c7 804843388d434710a6d7d8558c23ce77 - - -] Unexpected exception in API method
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions Traceback (most recent call last):
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/api/openstack/extensions.py", line 478, in wrapped
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions     return f(*args, **kwargs)
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/api/validation/__init__.py", line 73, in wrapper
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions     return func(*args, **kwargs)
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/api/validation/__init__.py", line 73, in wrapper
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions     return func(*args, **kwargs)
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/api/openstack/compute/servers.py", line 611, in create
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions     **create_kwargs)
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/hooks.py", line 149, in inner
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions     rv = f(*args, **kwargs)
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/compute/api.py", line 1581, in create
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions     check_server_group_quota=check_server_group_quota)
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/compute/api.py", line 1181, in _create_instance
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions     auto_disk_config, reservation_id, max_count)
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/compute/api.py", line 923, in _validate_and_build_base_options
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions     requested_networks, max_count)
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/compute/api.py", line 533, in _check_requested_networks
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions     max_count)
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/network/api.py", line 49, in wrapped
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions     return func(self, context, *args, **kwargs)
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/network/api.py", line 396, in validate_networks
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions     requested_networks)
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/network/rpcapi.py", line 204, in validate_networks
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions     return self.client.call(ctxt, 'validate_networks', networks=networks)
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/client.py", line 413, in call
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions     return self.prepare().call(ctxt, method, **kwargs)
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/client.py", line 158, in call
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions     retry=self.retry)
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/oslo_messaging/transport.py", line 90, in _send
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions     timeout=timeout, retry=retry)
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 470, in send
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions     retry=retry)
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 459, in _send
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions     result = self._waiter.wait(msg_id, timeout)
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 342, in wait
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions     message = self.waiters.get(msg_id, timeout=timeout)
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 244, in get
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions     'to message ID %s' % msg_id)
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions MessagingTimeout: Timed out waiting for a reply to message ID 6b9f994c995c44d892601c96b2c80652
2016-03-03 16:33:43.186 14992 ERROR nova.api.openstack.extensions

    看样子是API出错，经多方查找，后与官方手册对比后发现是nova.conf配置文件中以下几项出现问题，起初我是直接注释去掉的，没有注意，更改完重新nova所有服务后无此错误：

    [root@node1 ~]# vim /etc/nova/nova.conf
    [DEFAULT]
...
network_api_class = nova.network.neutronv2.api.API
linuxnet_interface_driver = nova.network.linux_net.NeutronLinuxBridgeInterfaceDriver
security_group_api = neutron
firewall_driver = nova.virt.firewall.NoopFirewallDriver
  2. 启动云主机时提示[错误: No valid host was found. There are not enough hosts available.]，如图
    Error2
    提示没有有效的计算主机，云主机创建错误。这种情况先想到宿主机剩余资源是否够用，经查看足够使用。
    然后查看指导服务日志：

    [root@node1 ~]# tailf /var/log/nova/conductor.log | grep "ERROR"
2016-03-03 14:52:39.097 4669 ERROR nova.scheduler.utils [req-2cfe58a1-7e32-46a5-b8d0-26796cdc230d 77a9e2da31934c089612b132eb1317c7 804843388d434710a6d7d8558c23ce77 - - -] [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12] Error from last host: node1.txtyw.com (node node1.txtyw.com): [u'Traceback (most recent call last):\n', u'  File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1905, in _do_build_and_run_instance\n    filter_properties)\n', u'  File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2057, in _build_and_run_instance\n    instance_uuid=instance.uuid, reason=six.text_type(e))\n', u'RescheduledException: Build of instance 2b7e6db2-bd9a-49df-a56e-c734ead7bc12 was re-scheduled: Binding failed for port 50a056dd-4bab-4b8f-9039-0efbfb0bb5a4, please check neutron logs for more information.\n']
2016-03-03 14:52:39.136 4669 WARNING nova.scheduler.utils [req-2cfe58a1-7e32-46a5-b8d0-26796cdc230d 77a9e2da31934c089612b132eb1317c7 804843388d434710a6d7d8558c23ce77 - - -] [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12] Setting instance to ERROR state.

    计算服务日志：

    [root@node1 ~]#tailf /var/log/nova/compute.log | grep "ERROR"
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [-] Instance failed network setup after 1 attempt(s)
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager Traceback (most recent call last):
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1564, in _allocate_network_async
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager     dhcp_options=dhcp_options)
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py", line 727, in allocate_for_instance
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager     self._delete_ports(neutron, instance, created_port_ids)
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager     self.force_reraise()
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager     six.reraise(self.type_, self.value, self.tb)
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py", line 719, in allocate_for_instance
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager     security_group_ids, available_macs, dhcp_opts)
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py", line 342, in _create_port
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager     raise exception.PortBindingFailed(port_id=port_id)
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager PortBindingFailed: Binding failed for port 50a056dd-4bab-4b8f-9039-0efbfb0bb5a4, please check neutron logs for more information.
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager 
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [req-2cfe58a1-7e32-46a5-b8d0-26796cdc230d 77a9e2da31934c089612b132eb1317c7 804843388d434710a6d7d8558c23ce77 - - -] [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12] Instance failed to spawn
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12] Traceback (most recent call last):
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2155, in _build_resources
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]     yield resources
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2009, in _build_and_run_instance
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]     block_device_info=block_device_info)
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]   File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 2512, in spawn
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]     write_to_disk=True)
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]   File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 4383, in _get_guest_xml
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]     network_info_str = str(network_info)
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]   File "/usr/lib/python2.7/site-packages/nova/network/model.py", line 515, in __str__
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]     return self._sync_wrapper(fn, *args, **kwargs)
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]   File "/usr/lib/python2.7/site-packages/nova/network/model.py", line 498, in _sync_wrapper
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]     self.wait()
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]   File "/usr/lib/python2.7/site-packages/nova/network/model.py", line 530, in wait
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]     self[:] = self._gt.wait()
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]   File "/usr/lib/python2.7/site-packages/eventlet/greenthread.py", line 175, in wait
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]     return self._exit_event.wait()
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]   File "/usr/lib/python2.7/site-packages/eventlet/event.py", line 121, in wait
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]     return hubs.get_hub().switch()
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]   File "/usr/lib/python2.7/site-packages/eventlet/hubs/hub.py", line 294, in switch
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]     return self.greenlet.switch()
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]   File "/usr/lib/python2.7/site-packages/eventlet/greenthread.py", line 214, in main
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]     result = function(*args, **kwargs)
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1581, in _allocate_network_async
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]     six.reraise(*exc_info)
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1564, in _allocate_network_async
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]     dhcp_options=dhcp_options)
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]   File "/usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py", line 727, in allocate_for_instance
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]     self._delete_ports(neutron, instance, created_port_ids)
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]     self.force_reraise()
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]     six.reraise(self.type_, self.value, self.tb)
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]   File "/usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py", line 719, in allocate_for_instance
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]     security_group_ids, available_macs, dhcp_opts)
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]   File "/usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py", line 342, in _create_port
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]     raise exception.PortBindingFailed(port_id=port_id)
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12] PortBindingFailed: Binding failed for port 50a056dd-4bab-4b8f-9039-0efbfb0bb5a4, please check neutron logs for more information.
2016-03-03 14:52:38.840 4312 ERROR nova.compute.manager [instance: 2b7e6db2-bd9a-49df-a56e-c734ead7bc12]

    两者均提示网络绑定出现问题，让查看neutron日志：

    [root@node1 ~]# tailf /var/log/neutron/neutron.log | grep "ERROR"
2016-03-03 14:52:38.462 11947 ERROR neutron.plugins.ml2.managers [req-24ba50da-08a7-4984-b14c-34eac560965c c4badf551eaa48f5820eae9ffa0ae5c5 a52031f59dd5404b9bdbb3ecdd7e263b - - -] Failed to bind port 50a056dd-4bab-4b8f-9039-0efbfb0bb5a4 on host node1.txtyw.com
2016-03-03 14:52:38.463 11947 ERROR neutron.plugins.ml2.managers [req-24ba50da-08a7-4984-b14c-34eac560965c c4badf551eaa48f5820eae9ffa0ae5c5 a52031f59dd5404b9bdbb3ecdd7e263b - - -] Failed to bind port 50a056dd-4bab-4b8f-9039-0efbfb0bb5a4 on host node1.txtyw.com

    提示为ml2插件绑定时出错，疑与neutron-linuxbridge-agent服务有关，服务使用脚本启动的，显示正常。于是使用命令重新启动服务后发现问题：

    [root@node1 ~]# neutron-linuxbridge-agent --config-file=/etc/neutron/neutron.conf --config-file=/etc/neutron/neutron/plugins/ml2/ml2_conf.ini --config-file=/etc/neutron/neutron/plugins/ml2/linuxbridge_agent.ini > /dev/null 2>&1 &           
[2] 13919
[2]+  Exit 1                  neutron-linuxbridge-agent --config-file=/etc/neutron/neutron.conf --config-file=/etc/neutron/neutron/plugins/ml2/ml2_conf.ini --config-file=/etc/neutron/neutron/plugins/ml2/linuxbridge_agent.ini > /dev/null 2>&1

    发现进程很快就自已结束掉了，查看日志：

    [root@node1 ~]# tailf /var/log/neutron/neutron.log | grep "ERROR"
2016-03-03 15:56:05.641 13919 ERROR neutron.plugins.ml2.drivers.linuxbridge.agent.linuxbridge_neutron_agent [-] Tunneling cannot be enabled without the local_ip bound to an interface on the host. Please configure local_ip None on the host interface to be used for tunneling and restart the agent.
2016-03-03 15:56:05.642 13919 ERROR neutron Traceback (most recent call last):
2016-03-03 15:56:05.642 13919 ERROR neutron   File "/bin/neutron-linuxbridge-agent", line 10, in <module>
2016-03-03 15:56:05.642 13919 ERROR neutron     sys.exit(main())
2016-03-03 15:56:05.642 13919 ERROR neutron   File "/usr/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/linuxbridge/agent/linuxbridge_neutron_agent.py", line 1184, in main
2016-03-03 15:56:05.642 13919 ERROR neutron     launcher.wait()
2016-03-03 15:56:05.642 13919 ERROR neutron   File "/usr/lib/python2.7/site-packages/oslo_service/service.py", line 309, in wait
2016-03-03 15:56:05.642 13919 ERROR neutron     status, signo = self._wait_for_exit_or_signal()
2016-03-03 15:56:05.642 13919 ERROR neutron   File "/usr/lib/python2.7/site-packages/oslo_service/service.py", line 294, in _wait_for_exit_or_signal
2016-03-03 15:56:05.642 13919 ERROR neutron     self.stop()
2016-03-03 15:56:05.642 13919 ERROR neutron   File "/usr/lib/python2.7/site-packages/oslo_service/service.py", line 215, in stop
2016-03-03 15:56:05.642 13919 ERROR neutron     self.services.stop()
2016-03-03 15:56:05.642 13919 ERROR neutron   File "/usr/lib/python2.7/site-packages/oslo_service/service.py", line 646, in stop
2016-03-03 15:56:05.642 13919 ERROR neutron     service.stop()
2016-03-03 15:56:05.642 13919 ERROR neutron   File "/usr/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/linuxbridge/agent/linuxbridge_neutron_agent.py", line 899, in stop
2016-03-03 15:56:05.642 13919 ERROR neutron     self.set_rpc_timeout(self.quitting_rpc_timeout)
2016-03-03 15:56:05.642 13919 ERROR neutron   File "/usr/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/linuxbridge/agent/linuxbridge_neutron_agent.py", line 1149, in set_rpc_timeout
2016-03-03 15:56:05.642 13919 ERROR neutron     for rpc_api in (self.plugin_rpc, self.sg_plugin_rpc,
2016-03-03 15:56:05.642 13919 ERROR neutron AttributeError: 'LinuxBridgeNeutronAgentRPC' object has no attribute 'plugin_rpc'
2016-03-03 15:56:05.642 13919 ERROR neutron

    neutron我设置为使用ml2插件，网络类型为flat，使用linuxbridge桥接。这下很明显了，提示Tunnel创建失败，没有配置local_ip。于是检查linuxbridge_agent.ini配置文件：

    [root@node1 ~]# vim /etc/neutron/neutron/plugins/ml2/linuxbridge_agent.ini
    ...
# (StrOpt) Local IP address to use for VXLAN endpoints (required)
local_ip = 172.16.200.5

    将其添加上后服务便启动正常

    [root@node1 ~]# ps -aux | grep neutron-linuxbridge-agent | grep -v grep
root      10156  1.1  1.0 349708 53532 pts/1    S    11:07   0:09 /bin/python /bin/neutron-linuxbridge-agent --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/neutron/plugins/ml2/ml2_conf.ini --config-file /etc/neutron/neutron/plugins/ml2/linuxbridge_agent.ini

    重新创建云主机，成功！
    Error2-OK

  3. neutron-dhcp-agent日志中报错，“sudo: sorry, you must have a tty to run sudo”，如下： 
    [root@node1 ~]# tailf /var/log/neutron/neutron.log
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent [-] Unable to enable dhcp for 51fb4fb4-1dec-4f2e-8568-519e398eeccd.
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent Traceback (most recent call last):
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent   File "/usr/lib/python2.7/site-packages/neutron/agent/dhcp/agent.py", line 115, in call_driver
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent     getattr(driver, action)(**action_kwargs)
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/dhcp.py", line 204, in enable
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent     interface_name = self.device_manager.setup(self.network)
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/dhcp.py", line 1200, in setup
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent     namespace=network.namespace)
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/interface.py", line 252, in plug
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent     bridge, namespace, prefix)
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/interface.py", line 483, in plug_new
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent     namespace2=namespace)
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/ip_lib.py", line 165, in add_veth
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent     self.ensure_namespace(namespace2)
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/ip_lib.py", line 183, in ensure_namespace
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent     if not self.netns.exists(name):
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/ip_lib.py", line 866, in exists
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent     run_as_root=cfg.CONF.AGENT.use_helper_for_ns_read)
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/ip_lib.py", line 101, in _execute
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent     log_fail_as_error=log_fail_as_error)
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/utils.py", line 159, in execute
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent     raise RuntimeError(m)
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent RuntimeError: 
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent Command: ['sudo', 'ip', '-o', 'netns', 'list']
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent Exit code: 1
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent Stdin: 
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent Stdout: 
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent Stderr: sudo: sorry, you must have a tty to run sudo
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent 
2016-03-04 11:08:13.943 9450 ERROR neutron.agent.dhcp.agent 
2016-03-04 11:08:13.944 9450 INFO neutron.agent.dhcp.agent [-] Synchronizing state complete
2016-03-04 11:08:18.945 9450 INFO neutron.agent.dhcp.agent [-] Synchronizing state
2016-03-04 11:08:19.027 9450 ERROR neutron.agent.linux.utils [-] 
Command: ['sudo', 'ip', '-o', 'netns', 'list']
Exit code: 1
Stdin: 
Stdout: 
Stderr: sudo: sorry, you must have a tty to run sudo

    这是因为sudo默认需要tty终端，修改下/etc/sudoers文件，注释掉Default requiretty即可

    [root@node1 ~]# chmod u+w /etc/sudoers
[root@node1 ~]# vim /etc/sudoers
    ...
#Defaults    requiretty

     

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