openstack octca 缺少 placement Service 解决办法
根据官方文档安装，当启动nova-compute时会报错PlacementNotConfigured: This compute is not configured to talk to the placement service
原因：官方文档中遗漏了-nova-placement-api的安装
我总结的安装步骤
1、控制节点
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、计算节点
编辑 /etc/nova/nova.conf
增加
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
重启 systemctl restart openstack-nova-compute.service
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