1、故障现象：Ocata配置完nova服务后，发现computer节点居然没有起来：
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[root@linux-node1 nova]
# systemctl status openstack-nova-compute.service
● openstack-nova-compute.service - OpenStack Nova Compute Server
Loaded: loaded (
/usr/lib/systemd/system/openstack-nova-compute
.service; enabled; vendor preset: disabled)
Active: activating (start) since Fri 2017-03-10 08:53:58 CST; 6s ago
Main PID: 14063 (nova-compute)
CGroup:
/system
.slice
/openstack-nova-compute
.service
└─14063
/usr/bin/python2
/usr/bin/nova-compute
Mar 10 08:53:58 linux-node1.wanwan.com systemd[1]: Starting OpenStack Nova Compute Server...
[root@linux-node1 ~]
# tail -10 /var/log/nova/nova-compute.log
2017-03-10 08:55:25.156 14177 ERROR oslo_service.service [-] Error starting thread.
2017-03-10 08:55:25.156 14177 ERROR oslo_service.service Traceback (most recent call last):
2017-03-10 08:55:25.156 14177 ERROR oslo_service.service File
"/usr/lib/python2.7/site-packages/oslo_service/service.py"
, line 722,
in
run_service
2017-03-10 08:55:25.156 14177 ERROR oslo_service.service service.start()
2017-03-10 08:55:25.156 14177 ERROR oslo_service.service File
"/usr/lib/python2.7/site-packages/nova/service.py"
, line 144,
in
start
2017-03-10 08:55:25.156 14177 ERROR oslo_service.service self.manager.init_host()
2017-03-10 08:55:25.156 14177 ERROR oslo_service.service File
"/usr/lib/python2.7/site-packages/nova/compute/manager.py"
, line 1136,
in
init_host
2017-03-10 08:55:25.156 14177 ERROR oslo_service.service raise exception.PlacementNotConfigured()
2017-03-10 08:55:25.156 14177 ERROR oslo_service.service PlacementNotConfigured: This compute is not configured to talk to the placement service. Configure the [placement] section of nova.conf and restart the service.
2017-03-10 08:55:25.156 14177 ERROR oslo_service.service
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2、处理过程
由于openstack ocata的版本发布时间还不太长，通过查资料发现这是一个bug，查看官方安装手册，没有对应解决方法
在控制节点上：
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[root@linux-node1 ~]
# yum -y install openstack-nova-placement-api
[root@linux-node1 ~]
# openstack user create --domain default --password-prompt placement
User Password:
#输入密码placement
Repeat User Password:
#输入密码placement
[root@linux-node1 ~]
# openstack role add --project service --user placement admin
[root@linux-node1 ~]
# openstack service create --name placement --description "OpenStack Placement" placement
+-------------+----------------------------------+
| Field | Value |
+-------------+----------------------------------+
| description | OpenStack Placement |
| enabled | True |
|
id
| febbc831f12c4f03aa8f4fd59f6b6ffc |
| name | placement |
|
type
| placement |
+-------------+----------------------------------+
+---------------------+----------------------------------+
| Field | Value |
+---------------------+----------------------------------+
| domain_id | default |
| enabled | True |
|
id
| 661b3c937fd040bf9fcf59a0e0985596 |
| name | placement |
| options | {} |
| password_expires_at | None |
+---------------------+----------------------------------+
[root@linux-node1 ~]
# openstack endpoint create --region RegionOne placement admin http://10.10.10.11:8778
+--------------+----------------------------------+
| Field | Value |
+--------------+----------------------------------+
| enabled | True |
|
id
| 780d9d238aa24f7a81f197f0d86a0560 |
| interface | admin |
| region | RegionOne |
| region_id | RegionOne |
| service_id | febbc831f12c4f03aa8f4fd59f6b6ffc |
| service_name | placement |
| service_type | placement |
| url | http:
//10
.10.10.11:8778 |
+--------------+----------------------------------+
[root@linux-node1 ~]
# openstack endpoint create --region RegionOne placement internal http://10.10.10.11:8778
+--------------+----------------------------------+
| Field | Value |
+--------------+----------------------------------+
| enabled | True |
|
id
| 43cf8f9ac6a94f4e9f4815d4830eda01 |
| interface | internal |
| region | RegionOne |
| region_id | RegionOne |
| service_id | febbc831f12c4f03aa8f4fd59f6b6ffc |
| service_name | placement |
| service_type | placement |
| url | http:
//10
.10.10.11:8778 |
+--------------+----------------------------------+
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修改nova的配置文件：
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[root@linux-node1 ~]
# vim /etc/nova/nova.conf
[placement]
auth_uri = http:
//10
.10.10.11:5000
auth_url = http:
//10
.10.10.11:35357
/v3
memcached_servers = 10.10.10.11:11211
auth_type = password
project_domain_name = default
user_domain_name = default
project_name = service
username = nova
password = nova
os_region_name = RegionOne
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重启对应的服务：
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[root@linux-node1 ~]
# systemctl restart openstack-nova-compute.service
[root@linux-node1 ~]
# systemctl status openstack-nova-compute.service
● openstack-nova-compute.service - OpenStack Nova Compute Server
Loaded: loaded (
/usr/lib/systemd/system/openstack-nova-compute
.service; enabled; vendor preset: disabled)
Active: active (running) since Fri 2017-03-10 09:30:27 CST; 10s ago
Main PID: 26692 (nova-compute)
CGroup:
/system
.slice
/openstack-nova-compute
.service
└─26692
/usr/bin/python2
/usr/bin/nova-compute
Mar 10 09:30:06 linux-node1.wanwan.com systemd[1]: Starting OpenStack Nova Compute Server...
Mar 10 09:30:27 linux-node1.wanwan.com systemd[1]: Started OpenStack Nova Compute Server.
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查看openstack的计算服务清单：
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[root@linux-node1 ~]
# openstack compute service list
+----+------------------+------------------------+----------+---------+-------+----------------------------+
| ID | Binary | Host | Zone | Status | State | Updated At |
+----+------------------+------------------------+----------+---------+-------+----------------------------+
| 1 | nova-conductor | linux-node1.wanwan.com | internal | enabled | up | 2017-03-10T01:36:26.000000 |
| 2 | nova-scheduler | linux-node1.wanwan.com | internal | enabled | up | 2017-03-10T01:36:22.000000 |
| 3 | nova-consoleauth | linux-node1.wanwan.com | internal | enabled | up | 2017-03-10T01:36:21.000000 |
| 7 | nova-compute | linux-node1.wanwan.com | nova | enabled | up | 2017-03-10T01:36:27.000000 |
+----+------------------+------------------------+----------+---------+-------+-------------------------
[root@linux-node1 nova]
# openstack catalog list
+-----------+-----------+---------------------------------------------------------------------------+
| Name | Type | Endpoints |
+-----------+-----------+---------------------------------------------------------------------------+
| nova | compute | RegionOne |
| | | public: http:
//10
.10.10.11:8774
/v2
.1
/b25ba065fdbb44f9973bdff7b92c061e
|
| | | RegionOne |
| | | internal: http:
//10
.10.10.11:8774
/v2
.1
/b25ba065fdbb44f9973bdff7b92c061e
|
| | | RegionOne |
| | | admin: http:
//10
.10.10.11:8774
/v2
.1
/b25ba065fdbb44f9973bdff7b92c061e
|
| | | |
| keystone | identity | RegionOne |
| | | internal: http:
//10
.10.10.11:5000
/v3/
|
| | | RegionOne |
| | | admin: http:
//10
.10.10.11:35357
/v3/
|
| | | RegionOne |
| | | public: http:
//10
.10.10.11:5000
/v3/
|
| | | |
| glance | image | RegionOne |
| | | internal: http:
//10
.10.10.11:9292 |
| | | RegionOne |
| | | public: http:
//10
.10.10.11:9292 |
| | | RegionOne |
| | | admin: http:
//10
.10.10.11:9292 |
| | | |
| placement | placement | RegionOne |
| | | internal: http:
//10
.10.10.11:8778 |
| | | RegionOne |
| | | admin: http:
//10
.10.10.11:8778 |
| | | RegionOne |
| | | public: http:
//10
.10.10.11:8778 |
| | | |
+-----------+-----------+---------------------------------------------------------------------------+
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小结：新版本的Openstack还是存在一些bug，只能先在测试环境中多进行测试，填坑的过程也是收货满满的
本文转自 冰冻vs西瓜 51CTO博客，原文链接：http://blog.51cto.com/molewan/1905022，如需转载请自行联系原作者
