如果部署在CentOS 7.4上，创建虚拟机后，无法列出服务器。
能够ping通服务器，没有办法SSH.
能够在KVM图形界面上看到闪烁的服务器，但是无法持续看到。
据说在CentOS 7.4 没有这样的问题。这个问题据说和内核有关。
[root@controller ~]# . demo-openrc
[root@controller ~]# openstack server create --flavor m1.nano --image cirros \
> --nic net-id=1346e73c-4e5f-486d-8b1d-21f52d69752b --security-group default \
> --key-name mykey provider-instance02
+-----------------------------+-----------------------------------------------+
| Field | Value |
+-----------------------------+-----------------------------------------------+
| OS-DCF:diskConfig | MANUAL |
| OS-EXT-AZ:availability_zone | |
| OS-EXT-STS:power_state | NOSTATE |
| OS-EXT-STS:task_state | scheduling |
| OS-EXT-STS:vm_state | building |
| OS-SRV-USG:launched_at | None |
| OS-SRV-USG:terminated_at | None |
| accessIPv4 | |
| accessIPv6 | |
| addresses | |
| adminPass | 4B2rcm8DyRpW |
| config_drive | |
| created | 2018-05-11T07:59:15Z |
| flavor | m1.nano (0) |
| hostId | |
| id | af6e9bf0-0905-4148-b07a-07b5d3e2731b |
| image | cirros (f42080b2-93a2-4d2f-9143-a0191e06b31f) |
| key_name | mykey |
| name | provider-instance02 |
| progress | 0 |
| project_id | ed57a5ffb278481d8aecb57cd18f7f8d |
| properties | |
| security_groups | name='eed229b1-3d63-4293-b09a-3fef84afef56' |
| status | BUILD |
| updated | 2018-05-11T08:00:15Z |
| user_id | 28a81f0aa09e49b789da69b191ef5374 |
| volumes_attached | |
+-----------------------------+-----------------------------------------------+
[root@controller ~]# openstack server list
Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
<type 'exceptions.TypeError'> (HTTP 500) (Request-ID: req-66c23efb-facb-4ea1-9af8-8a7ee5334f79)
[root@controller ~]#
[root@controller ~]# ping 192.168.226.101
PING 192.168.226.101 (192.168.226.101) 56(84) bytes of data.
64 bytes from 192.168.226.101: icmp_seq=1 ttl=64 time=0.065 ms
64 bytes from 192.168.226.101: icmp_seq=2 ttl=64 time=0.079 ms
64 bytes from 192.168.226.101: icmp_seq=3 ttl=64 time=0.042 ms
64 bytes from 192.168.226.101: icmp_seq=4 ttl=64 time=0.060 ms
64 bytes from 192.168.226.101: icmp_seq=5 ttl=64 time=0.076 ms
64 bytes from 192.168.226.101: icmp_seq=6 ttl=64 time=0.063 ms
64 bytes from 192.168.226.101: icmp_seq=7 ttl=64 time=0.046 ms
64 bytes from 192.168.226.101: icmp_seq=8 ttl=64 time=0.078 ms
^C
--- 192.168.226.101 ping statistics ---
8 packets transmitted, 8 received, 0% packet loss, time 6999ms
rtt min/avg/max/mdev = 0.042/0.063/0.079/0.015 ms
[root@controller ~]#