根據官方文檔安裝，當啓動nova-compute時會報錯
PlacementNotConfigured: This compute is not configured to talk to the placement service
原因：官方文檔中遺漏了-nova-placement-api的安裝
我總結的安裝步驟
1、控制節點
yum install openstack-nova-placement-api
openstack service create --name placement --description "OpenStack Placement" placement
openstack endpoint create --region RegionOne placement public http://<ip>:8778
openstack endpoint create --region RegionOne placement admin http://<ip>:8778
openstack endpoint create --region RegionOne placement intenal http://<ip>:8778
systemctl restart httpd
2、計算節點
編輯 /etc/nova/nova.conf
增加
[placement]
auth_uri = http://controller:5000
auth_url = http://controller:35357
memcached_servers = controller:11211
auth_type = password
project_domain_name = default
user_domain_name = default
project_name = service
username = nova
password = ******
os_region_name = RegionOne
重啓 systemctl restart openstack-nova-compute.service