openstack mitaka之五：搭建计算节点
部署计算节点（compute服务）一：控制节点配置
1.建库建用户
CREATE DATABASE nova_api;
CREATE DATABASE nova;
GRANT ALL PRIVILEGES ON nova_api.* TO 'nova'@'localhost' IDENTIFIED BY 'liuyao';
GRANT ALL PRIVILEGES ON nova_api.* TO 'nova'@'%' IDENTIFIED BY 'liuyao';
GRANT ALL PRIVILEGES ON nova.* TO 'nova'@'localhost' IDENTIFIED BY 'liuyao';
GRANT ALL PRIVILEGES ON nova.* TO 'nova'@'%' IDENTIFIED BY 'liuyao';
flush privileges;
2.keystone相关操作
source admin-openrc
openstack user create --domain default \
--password-prompt nova
openstack role add --project service --user nova admin
openstack service create --name nova \
--description "OpenStack Compute" compute
openstack endpoint create --region RegionOne \
compute public http://controller:8774/v2.1/%\(tenant_id\)s
openstack endpoint create --region RegionOne \
compute internal http://controller:8774/v2.1/%\(tenant_id\)s
openstack endpoint create --region RegionOne \
compute admin http://controller:8774/v2.1/%\(tenant_id\)s
3.安装软件包：
yum install openstack-nova-api openstack-nova-conductor \
openstack-nova-console openstack-nova-novncproxy \
openstack-nova-scheduler -y
4.修改配置：
vim /etc/nova/nova.conf
enabled_apis = osapi_compute,metadata
rpc_backend = rabbit
auth_strategy = keystone
my_ip = 192.168.11.103
use_neutron = True
firewall_driver = nova.virt.firewall.NoopFirewallDriver
connection = mysql+pymysql://nova:liuyao@controller/nova_api
connection = mysql+pymysql://nova:liuyao@controller/nova
rabbit_host = controller
rabbit_userid = openstack
rabbit_password = liuyao
auth_url = http://controller:5000
memcached_servers = controller:11211
auth_type = password
project_domain_name = default
user_domain_name = default
project_name = service
username = nova
password = liuyao
#下面的为管理
ipvncserver_listen = 192.168.11.103
#下面的为管理
ipvncserver_proxyclient_address = 192.168.11.103
lock_path = /var/lib/nova/tmp
5.同步数据库：（此处会报一些关于future的问题，自行忽略）
su -s /bin/sh -c "nova-manage api_db sync" nova
su -s /bin/sh -c "nova-manage db sync" nova
6.启动服务
systemctl enable openstack-nova-api.service \
openstack-nova-consoleauth.service openstack-nova-scheduler.service \
openstack-nova-conductor.service openstack-nova-novncproxy.service
systemctl start openstack-nova-api.service \
openstack-nova-consoleauth.service openstack-nova-scheduler.service \
openstack-nova-conductor.service openstack-nova-novncproxy.service
二：计算节点配置
1.安装软件包：
yum install openstack-nova-compute libvirt-daemon-lxc -y
2.修改配置：
vim /etc/nova/nova.conf
rpc_backend = rabbit
auth_strategy = keystone
#计算节点管理网络
ipmy_ip = 192.168.11.105
use_neutron = True
firewall_driver = nova.virt.firewall.NoopFirewallDriver
rabbit_host = controller
rabbit_userid = openstack
rabbit_password = liuyao
enabled = True
vncserver_listen = 0.0.0.0#计算节点管理网络ipvncserver_proxyclient_address = 192.168.11.105#控制节点管理网络ipnovncproxy_base_url = http://192.168.11.103:6080/vnc_auto.html
api_servers = http://controller:9292
lock_path = /var/lib/nova/tmp
3.如果在不支持虚拟化的机器上部署nova，请确认
egrep -c '(vmx|svm)' /proc/cpuinfo结果为0
则编辑/etc/nova/nova.conf
virt_type = qemu
4.启动服务
systemctl enable libvirtd.service openstack-nova-compute.service
systemctl start libvirtd.service openstack-nova-compute.service
三：验证
控制节点
source admin-openrc
openstack compute service list
+----+------------------+--------------+----------+---------+-------+----------------------------+
| Id | Binary | Host | Zone | Status| State | Updated At |
+----+------------------+--------------+----------+---------+-------+----------------------------+
|1 | nova-consoleauth | controller01 | internal | enabled | up |2016-10-11T14:39:40.000000|
|2 | nova-conductor | controller01 | internal | enabled | up |2016-10-11T14:39:47.000000|
|8 | nova-scheduler | controller01 | internal | enabled | up |2016-10-11T14:39:47.000000|
| 21 | nova-compute | compute01 | nova | enabled | up |2016-10-11T14:39:41.000000|
+----+------------------+------------+----------+---------+-------+----------------------------+
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