控制器节点安装和配置网络服务
部署条件：在配置OpenStack连网（neutron）服务之前，必须创建数据库、服务凭据和API端点。
1、创建数据库
1）使用数据库访问客户端作为root连接到数据库服务器:
mysql -u root -p123

2）创建neutron数据库:
CREATE DATABASE neutron;

3）授予对neutron数据库的正确访问权限，用合适的密码：
GRANT ALL PRIVILEGES ON neutron.* TO ‘neutron’@’%’ IDENTIFIED BY ‘abc123’;
GRANT ALL PRIVILEGES ON neutron.* TO ‘neutron’@’%’ IDENTIFIED BY ‘abc123’;

4）刷新权限
FLUSH PRIVILEGES;

5）退出数据库
QUIT

2、创建服务凭据
1）来源的管理凭证，以获得访问只有管理CLI命令:
. admin-openrc

2）创建neutron用户，密码abc123:

openstack user create --domain default --password-prompt neutron

openstack数据库表 openstack 数据库服务_openstack数据库表


3）添加admin 角色到neutron 用户：

openstack role add --project service --user neutron admin4）创建neutron服务实体：

openstack service create --name neutron

–description “OpenStack Networking” network

openstack数据库表 openstack 数据库服务_bc_02


5）创建网络服务API端点：

openstack endpoint create --region RegionOne

network public http://controller:9696

openstack数据库表 openstack 数据库服务_元数据_03


openstack endpoint create --region RegionOne

network internal http://controller:9696openstack数据库表 openstack 数据库服务_bc_04

openstack endpoint create --region RegionOne

network admin http://controller:9696


3、安装并配置网络组件

1）安装组件

yum install openstack-neutron 
 openstack-neutron-ml2 
 openstack-neutron-linuxbridge 
 ebtables
2）配置服务组件。修改/etc/neutron/neutron.conf配置文件
 cd /etc/neutron/
 cp neutron.conf neutron.conf.bak
 egrep -v “$|#” neutron.conf.bak > neutron.confvi neutron.conf
 配置数据库访问：
 [database]
 connection = mysql+pymysql://neutron:abc123@controller/neutron启用ML2插件并禁用其他插件：
 [DEFAULT]
 core_plugin = ml2
 service_plugins =配置 “RabbitMQ” 消息队列的连接：
 [DEFAULT]
 transport_url = rabbit://openstack:abc123@controller配置认证服务访问：
 [DEFAULT]
 auth_strategy = keystone[keystone_authtoken]
 auth_url = http://controller:5000 auth_url = http://controller:35357 memcached_servers = controller:11211
 auth_type = password
 project_domain_name = Default
 user_domain_name = Default
 project_name = service
 username = neutron
 password = abc123配置网络服务来通知计算节点的网络拓扑变化：
 [DEFAULT]
 notify_nova_on_port_status_changes = True
 notify_nova_on_port_data_changes = True[nova]
 auth_url = http://controller:35357 auth_type = password
 project_domain_name = Default
 user_domain_name = Default
 region_name = RegionOne
 project_name = service
 username = nova
 password = abc123[oslo_concurrency]
 lock_path = /var/lib/neutron/tmp //配置锁定路径保存退出
4、配置 Modular Layer 2 (ML2) 插件
 ML2插件使用Linuxbridge机制来为实例创建layer－2虚拟网络基础设施cp ml2_conf.ini ml2_conf.ini.bak
 egrep -v “$|#” ml2_conf.ini.bak > ml2_conf.inivi ml2_conf.ini
 [ml2]
 type_drivers = flat,vlan //启用flat和VLAN网络
 tenant_network_types = //禁用私有网络
 mechanism_drivers = linuxbridge //启用Linuxbridge机制
 extension_drivers = port_security //启用端口安全扩展驱动[ml2_type_flat]
 flat_networks = provider //配置公共虚拟网络为flat网络[securitygroup]
 enable_ipset = True //启用 ipset 增加安全组规则的高效性保存
5、配置linuxbridge代理
 Linuxbridge代理为实例建立layer－2虚拟网络并且处理安全组规则。cd /etc/neutron/plugins/ml2/
 cp linuxbridge_agent.ini linuxbridge_agent.ini.bak
 egrep -v “$|#” linuxbridge_agent.ini.bak >linuxbridge_agent.ini
 vi linuxbridge_agent.ini
 [linux_bridge]
 physical_interface_mappings = provider:ens34
 //将公共虚拟网络和公共物理网络接口对应起来[securitygroup] //启用安全组并配置Linux桥接iptables防火墙驱动
 enable_security_group = True
 firewall_driver = neutron.agent.linux.iptables_firewall.IptablesFirewallDriver[vxlan]
 enable_vxlan = False //禁止VXLAN覆盖网络6、配置DHCP代理
 cd /etc/neutron/
 cp dhcp_agent.ini dhcp_agent.ini.bak
 egrep -v “$|#” dhcp_agent.ini.bak > dhcp_agent.inivi dhcp_agent.ini
 配置Linuxbridge驱动接口，DHCP驱动并启用隔离元数据，这样在公共网络上的实例就可以通过网络来访问元数据
 [DEFAULT]
 interface_driver = neutron.agent.linux.interface.BridgeInterfaceDriver
 dhcp_driver = neutron.agent.linux.dhcp.Dnsmasq
 enable_isolated_metadata = True7、配置元数据代理
 metadata_agent元数据负责提供配置信息，例如：访问实例的凭证
 编辑/etc/neutron/metadata_agent.ini 文件
 cd /etc/neutron/
 cp metadata_agent.ini metadata_agent.ini.bak
 egrep -v “^ $|^#” metadata_agent.ini.bak > metadata_agent.inivi metadata_agent.ini
 [DEFAULT]
 nova_metadata_ip = controller //配置元数据主机
 metadata_proxy_shared_secret = mate //配置元数据代理共享密码，自定义8、为计算节点配置网络服务
 1）编辑/etc/nova/nova.conf文件
 cd /etc/nova/
 cp nova.conf nova.conf.novavi nova.conf
 [neutron] //配置网络服务模块及认证服务，启用元数据代理并设置密码
 url = http://controller:9696 auth_url = http://controller:35357 auth_type = password
 project_domain_name = Default
 user_domain_name = Default
 region_name = RegionOne
 project_name = service
 username = neutron
 password = abc123
 service_metadata_proxy = True
 metadata_proxy_shared_secret = mate

2）网络服务初始化脚本需要一个超链接 /etc/neutron/plugin.ini指向ML2插件配置文件/etc/neutron/plugins/ml2/ml2_conf.ini
ln -s /etc/neutron/plugins/ml2/ml2_conf.ini /etc/neutron/plugin.ini

3）填充数据库:

su -s /bin/sh -c “neutron-db-manage

–config-file /etc/neutron/neutron.conf

–config-file /etc/neutron/plugins/ml2/ml2_conf.ini upgrade head” neutron

openstack数据库表 openstack 数据库服务_linux_05


openstack数据库表 openstack 数据库服务_元数据_06


4）重新启动Compute API服务:

systemctl restart openstack-nova-api.service

5）启动网络服务，并将其配置为在系统启动时启动。
systemctl enable neutron-server.service
neutron-linuxbridge-agent.service
neutron-dhcp-agent.service
neutron-metadata-agent.service

systemctl start neutron-server.service
neutron-linuxbridge-agent.service
neutron-dhcp-agent.service
neutron-metadata-agent.service

6）对网络选项2，同样启用并启动layer-3服务：
systemctl enable neutron-l3-agent.service
systemctl start neutron-l3-agent.service

7）验证安装结果

neutron ext-list

openstack数据库表 openstack 数据库服务_元数据_07


openstack network agent list

openstack数据库表 openstack 数据库服务_openstack数据库表_08

neutron agent-list

openstack数据库表 openstack 数据库服务_元数据_09


———————以上都是控制节点中操作———————

网络服务neutron计算节点的安装及配置

1、安装组件

yum install openstack-neutron-linuxbridge ebtables ipset -y

2、配置通用组件
cd /etc/neutron/
cp neutron.conf neutron.conf.bak
egrep -v “$|#” neutron.conf.bak > neutron.conf

vi neutron.conf
[DEFAULT]
transport_url = rabbit://openstack:abc123@controller //配置 “RabbitMQ” 消息队列的连接
auth_strategy = keystone //配置认证服务访问

[keystone_authtoken] //配置认证服务访问
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 = neutron
password = abc123

[oslo_concurrency]
lock_path = /var/lib/neutron/tmp //配置锁路径

3、配置网络选项
选择与之前在控制节点上选择的相同的网络选项。

（1）配置Linuxbridge代理：
cd /etc/neutron/plugins/ml2/
cp linuxbridge_agent.ini linuxbridge_agent.ini.bak
egrep -v “$|#” linuxbridge_agent.ini.bak >linuxbridge_agent.ini

vi linuxbridge_agent.ini
[linux_bridge] //将公共虚拟网络和公共物理网络接口对应起来
physical_interface_mappings = provider:ens34

[vxlan] //禁止VXLAN覆盖网络
enable_vxlan = False

[securitygroup] //启用安全组并配置Linuxbridge iptables firewalld driver
enable_security_group = True
firewall_driver = neutron.agent.linux.iptables_firewall.IptablesFirewallDriver

（2）为计算节点配置网络服务：
cd /etc/nova/
cp nova.conf nova.conf.nova
vi nova.conf

[neutron] //配置访问参数
auth_url = http://controller:9696 auth_url = http://controller:35357 auth_type = password
project_domain_name = Default
user_domain_name = Default
region_name = RegionOne
project_name = service
username = neutron
password = abc123

systemctl restart openstack-nova-compute.service
systemctl enable neutron-linuxbridge-agent.service
systemctl restart neutron-linuxbridge-agent.service

neutron agent-list

openstack数据库表 openstack 数据库服务_bc_10