Opensack部署nova服务（计算节点）
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在计算节点安装
10.1安装nova计算服务
# 阿里云源详见2.3配置
# yum install openstack-nova-compute
10.2配置nova计算服务
10.2.1配置nova.conf
# vim /etc/nova/nova.conf
1:[DEFAULT]
2306:use_neutron=true
2465:firewall_driver=nova.virt.firewall.NoopFirewallDriver
2629:enabled_apis=osapi_compute,metadata
3021:transport_url = rabbit://openstack:123456@192.168.10.205
3069:[api]
3085:auth_strategy=keystone
4937:[glance]
4955:api_servers=http://192.168.10.100:9292
5596:[keystone_authtoken]
5597:auth_uri = http://192.168.10.100:5000
5598:auth_url = http://192.168.10.100:35357
5599:memcached_servers = 192.168.10.100:11211
5600:auth_type = password
5601:project_domain_name = default
5602:user_domain_name = default
5603:project_name = service
5604:username = nova
5605:password = nova
7233:[oslo_concurrency]
7248:lock_path=/var/lib/nova/tmp
8079:[placement]
8080:os_region_name = RegionOne
8081:project_domain_name = Default
8082:project_name = service
8083:auth_type = password
8084:user_domain_name = Default
8085:auth_url = http://192.168.10.100:35357/v3
8086:username = placement
8087:password = placement
9667:[vnc]
9683:enabled=true
9706:vncserver_listen=0.0.0.0
9718:vncserver_proxyclient_address=192.168.10.202
9738:novncproxy_base_url=http://192.168.10.100:6080/vnc_auto.html
10.2.2确认计算节点是否支持硬件加速
# egrep -c \'(vmx|svm)\' /proc/cpuinfo
40
10.3启动nova计算服务并设置为开机启动
# systemctl enable libvirtd.service openstack-nova-compute.service
# systemctl start libvirtd.service openstack-nova-compute.service
10.4添加计算服务到cell数据库
# 在控制端配置
# source admin-openstack.sh
#定期主动发现：
# su -s /bin/sh -c "nova-manage cell_v2 discover_hosts --verbose" nova
# openstack hypervisor list
+----+-------------------------+-----------------+----------------+-------+
| ID | Hypervisor Hostname | Hypervisor Type | Host IP | State |
+----+-------------------------+-----------------+----------------+-------+
| 1 | linux-host2.exmaple.com | QEMU | 192.168.10.202 | up |
+----+-------------------------+-----------------+----------------+-------+
# 设置定期主动发现
# vim /etc/nova/nova.conf
8577 [scheduler]
8684 discover_hosts_in_cells_interval=300
#重启nova服务
# bash nova- restart.sh
10.5验证计算节点
# nova host-list
# nova service-list
# openstack image list
# openstack compute service list
#列出服务组件是否成功注册
# nova-status upgrade check
# openstack catalog list
#列出keystone服务中的端点，以验证keystone的连通性
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