安装neutron

在控制节点上执行

controllerHost='controller'
MYSQL_PASSWD='m4r!adbOP'
RABBIT_PASSWD='0penstackRMQ'
NOVA_PASSWD='nova1234!'
NEUTRON_PASSWD='neutron1234!'
controllerTunnelIP='172.31.240.49'
controllerProviderInterface='ens224'

1.创建数据库

mysql -uroot -p${MYSQL_PASSWD} << EOF
     DROP DATABASE IF EXISTS neutron;
     CREATE DATABASE neutron;
     GRANT ALL PRIVILEGES ON neutron.* TO 'neutron'@'localhost' IDENTIFIED BY '${NEUTRON_PASSWD}';
     GRANT ALL PRIVILEGES ON neutron.* TO 'neutron'@'%' IDENTIFIED BY '${NEUTRON_PASSWD}';
EOF

2.创建认证用户并授权

source ~/admin-openrc
openstack user create --domain default --password ${NEUTRON_PASSWD} neutron
openstack role add --project service --user neutron admin

3.创建服务实体和端点

openstack service create --name neutron   --description "OpenStack Networking" network
openstack endpoint create --region RegionOne network public http://${controllerHost}:9696
openstack endpoint create --region RegionOne network admin http://${controllerHost}:9696
openstack endpoint create --region RegionOne network internal http://${controllerHost}:9696

4.安装neutron服务

yum -y install openstack-neutron openstack-neutron-ml2 ebtables ipset

5.配置neutron服务访问数据库

openstack-config --set  /etc/neutron/neutron.conf database connection  mysql+pymysql://neutron:${NEUTRON_PASSWD}@${controllerHost}/neutron

6.配置neutron服务访问memcached

openstack-config --set  /etc/neutron/neutron.conf cache backend  oslo_cache.memcache_pool
openstack-config --set  /etc/neutron/neutron.conf cache enabled  true
openstack-config --set  /etc/neutron/neutron.conf cache memcache_servers  ${controllerHost}:11211

7.配置neutron服务访问rabbitmq

openstack-config --set  /etc/neutron/neutron.conf DEFAULT transport_url rabbit://openstack:${RABBIT_PASSWD}@${controllerHost}:5672

8.配置neutron服务访问认证服务

openstack-config --set  /etc/neutron/neutron.conf DEFAULT auth_strategy  keystone
openstack-config --set  /etc/neutron/neutron.conf keystone_authtoken  auth_uri  http://${controllerHost}:5000
openstack-config --set  /etc/neutron/neutron.conf keystone_authtoken  auth_url  http://${controllerHost}:5000
openstack-config --set  /etc/neutron/neutron.conf keystone_authtoken  auth_type password
openstack-config --set  /etc/neutron/neutron.conf keystone_authtoken  project_domain_name  default
openstack-config --set  /etc/neutron/neutron.conf keystone_authtoken  user_domain_name  default
openstack-config --set  /etc/neutron/neutron.conf keystone_authtoken  project_name  service
openstack-config --set  /etc/neutron/neutron.conf keystone_authtoken  username  neutron
openstack-config --set  /etc/neutron/neutron.conf keystone_authtoken  password  ${NEUTRON_PASSWD}

9.配置neutron服务启用ML2插件，路由器服务和浮动IP功能

openstack-config --set  /etc/neutron/neutron.conf DEFAULT core_plugin  ml2
openstack-config --set  /etc/neutron/neutron.conf DEFAULT service_plugins  router
openstack-config --set  /etc/neutron/neutron.conf DEFAULT allow_overlapping_ips  true

10.配置neutron服务将网络拓扑变化的消息通知给计算节点

openstack-config --set  /etc/neutron/neutron.conf DEFAULT notify_nova_on_port_status_changes  true
openstack-config --set  /etc/neutron/neutron.conf DEFAULT notify_nova_on_port_data_changes  true

11.配置neutron服务使用nova身份访问认证服务

openstack-config --set  /etc/neutron/neutron.conf nova auth_url  http://${controllerHost}:5000
openstack-config --set  /etc/neutron/neutron.conf nova project_domain_name  default
openstack-config --set  /etc/neutron/neutron.conf nova user_domain_name  default
openstack-config --set  /etc/neutron/neutron.conf nova region_name  RegionOne
openstack-config --set  /etc/neutron/neutron.conf nova project_name  service
openstack-config --set  /etc/neutron/neutron.conf nova auth_type  password
openstack-config --set  /etc/neutron/neutron.conf nova username  nova
openstack-config --set  /etc/neutron/neutron.conf nova password  ${NOVA_PASSWD}

12.配置neutron中oslo库的锁定路径

openstack-config --set  /etc/neutron/neutron.conf oslo_concurrency lock_path  /var/lib/neutron/tmp

13.配置DHCP代理服务加载驱动程序并取消元数据隔离

openstack-config --set  /etc/neutron/dhcp_agent.ini DEFAULT dhcp_driver  neutron.agent.linux.dhcp.Dnsmasq
openstack-config --set  /etc/neutron/dhcp_agent.ini DEFAULT enable_isolated_metadata  true

14.配置元数据代理服务的共享密钥和位置

openstack-config --set  /etc/neutron/metadata_agent.ini DEFAULT nova_metadata_host ${controllerHost}
openstack-config --set  /etc/neutron/metadata_agent.ini DEFAULT metadata_proxy_shared_secret  123456

15.创建neutron-server服务启动时需要的软连接

ln -sv /etc/neutron/plugins/ml2/ml2_conf.ini /etc/neutron/plugin.ini

16.使能网桥调用内核过滤器netfilter功能

sed -i "/net.bridge.bridge-nf-call-ip6tables/c\net.bridge.bridge-nf-call-ip6tables = 1"  /usr/lib/sysctl.d/00-system.conf
sed -i "/net.bridge.bridge-nf-call-iptables/c\net.bridge.bridge-nf-call-iptables = 1"   /usr/lib/sysctl.d/00-system.conf
sysctl -p

17.配置nova服务使能对neutron服务的支持

openstack-config --set /etc/nova/nova.conf DEFAULT use_neutron  true

openstack-config --set /etc/nova/nova.conf neutron url  http://${controllerHost}:9696
openstack-config --set /etc/nova/nova.conf neutron auth_url  http://${controllerHost}:5000
openstack-config --set /etc/nova/nova.conf neutron project_domain_name  default
openstack-config --set /etc/nova/nova.conf neutron user_domain_name  default
openstack-config --set /etc/nova/nova.conf neutron region_name  RegionOne
openstack-config --set /etc/nova/nova.conf neutron project_name  service
openstack-config --set /etc/nova/nova.conf neutron auth_type  password
openstack-config --set /etc/nova/nova.conf neutron username  neutron
openstack-config --set /etc/nova/nova.conf neutron password  ${NEUTRON_PASSWD}

18.配置nova服务使能对元数据代理的支持

openstack-config --set /etc/nova/nova.conf neutron service_metadata_proxy  true
openstack-config --set /etc/nova/nova.conf neutron metadata_proxy_shared_secret  123456

19.重启nova服务

systemctl restart openstack-nova-api.service && systemctl status openstack-nova-api.service

在控制节点上使用linuxbridge作为虚拟交换机

20.安装linuxbridge组件

yum -y install openstack-neutron-linuxbridge

21.配置L3代理服务的接口驱动为Linux网桥驱动

openstack-config --set /etc/neutron/l3_agent.ini  DEFAULT  interface_driver  linuxbridge

22.配置DHCP代理服务的接口驱动为Linux网桥驱动

openstack-config --set /etc/neutron/dhcp_agent.ini DEFAULT interface_driver  linuxbridge

23.启用flat和vxlan网络

openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2 type_drivers  flat,vxlan

24.启用Linux网桥和L2集群机制

openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2 mechanism_drivers  linuxbridge,l2population

25.在端口上使能安全扩展驱动

openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2 extension_drivers  port_security

26.开启安全组功能，并加载防火墙驱动程序

openstack-config --set /etc/neutron/plugins/ml2/linuxbridge_agent.ini securitygroup enable_security_group  true
openstack-config --set /etc/neutron/plugins/ml2/linuxbridge_agent.ini securitygroup firewall_driver  neutron.agent.linux.iptables_firewall.IptablesFirewallDriver

27.将提供商网络设置为flat并关联通向提供商网络的物理接口

openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2_type_flat  flat_networks  provider
openstack-config --set /etc/neutron/plugins/ml2/linuxbridge_agent.ini linux_bridge physical_interface_mappings  provider:${controllerProviderInterface}

28.将租户网络设置成VXLAN并设置VXLAN的VNI范围

openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2 tenant_network_types  vxlan
openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2_type_vxlan vni_ranges  1:1000

29.创建vxlan隧道并设置隧道的物理接口IP

openstack-config --set /etc/neutron/plugins/ml2/linuxbridge_agent.ini vxlan l2_population  true
openstack-config --set /etc/neutron/plugins/ml2/linuxbridge_agent.ini vxlan enable_vxlan  true
openstack-config --set /etc/neutron/plugins/ml2/linuxbridge_agent.ini vxlan local_ip  ${controllerTunnelIP}

30.同步数据库

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

31.启动neutron服务

systemctl enable neutron-server.service neutron-dhcp-agent.service neutron-metadata-agent.service neutron-l3-agent.service neutron-linuxbridge-agent.service
systemctl start neutron-server.service neutron-dhcp-agent.service neutron-metadata-agent.service neutron-l3-agent.service neutron-linuxbridge-agent.service
systemctl status neutron-server.service neutron-dhcp-agent.service neutron-metadata-agent.service neutron-l3-agent.service neutron-linuxbridge-agent.service

在控制节点上使用OVS作为虚拟交换机

20.安装openvswitch组件

yum -y install openstack-neutron-openvswitch

21.配置L3代理服务的接口驱动为OVS网桥驱动并关联外部网桥

openstack-config --set /etc/neutron/l3_agent.ini DEFAULT interface_driver neutron.agent.linux.interface.OVSInterfaceDriver
openstack-config --set /etc/neutron/l3_agent.ini DEFAULT external_network_bridge br-ex

22.配置DHCP代理服务的接口驱动为OVS网桥驱动

openstack-config --set /etc/neutron/dhcp_agent.ini DEFAULT interface_driver neutron.agent.linux.interface.OVSInterfaceDriver

23.启用flat和vxlan网络

openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2 type_drivers  flat,vxlan

24.启用OVS网桥和L2集群机制

openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2 mechanism_drivers openvswitch,l2population
openstack-config --set /etc/neutron/plugins/ml2/openvswitch_agent.ini agent l2_population True

25.在端口上使能安全扩展驱动

openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2 extension_drivers  port_security

26.开启安全组功能，并加载防火墙驱动程序

openstack-config --set /etc/neutron/plugins/ml2/openvswitch_agent.ini securitygroup firewall_driver neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver
openstack-config --set /etc/neutron/plugins/ml2/openvswitch_agent.ini securitygroup enable_security_group True

27.将提供商网络设置为flat并关联通向提供商网络的外部网桥

openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2_type_flat  flat_networks provider
openstack-config --set /etc/neutron/plugins/ml2/openvswitch_agent.ini ovs bridge_mappings provider:br-ex

28.将租户网络设置成VXLAN并设置VXLAN的VNI范围

openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2 tenant_network_types  vxlan
openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2_type_vxlan vni_ranges  1:1000

29.创建vxlan隧道并设置隧道的物理接口IP

openstack-config --set /etc/neutron/plugins/ml2/openvswitch_agent.ini agent tunnel_types vxlan
openstack-config --set /etc/neutron/plugins/ml2/openvswitch_agent.ini ovs integration_bridge  br-int
openstack-config --set /etc/neutron/plugins/ml2/openvswitch_agent.ini ovs tunnel_bridge br-tun
openstack-config --set /etc/neutron/plugins/ml2/openvswitch_agent.ini ovs enable_tunneling True
openstack-config --set /etc/neutron/plugins/ml2/openvswitch_agent.ini ovs local_ip ${controllerTunnelIP}

30.同步数据库

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

31.创建br-ex网桥并添加通向提供商网络的物理接口

ovs-vsctl add-br br-ex
ovs-vsctl add-port br-ex ${controllerProviderInterface}

32.启动neutron服务

systemctl enable neutron-server.service neutron-dhcp-agent.service neutron-metadata-agent.service neutron-l3-agent.service neutron-openvswitch-agent.service
systemctl start neutron-server.service neutron-dhcp-agent.service neutron-metadata-agent.service neutron-l3-agent.service neutron-openvswitch-agent.service
systemctl status neutron-server.service neutron-dhcp-agent.service neutron-metadata-agent.service neutron-l3-agent.service neutron-openvswitch-agent.service

在计算节点上执行

controllerHost='controller'
RABBIT_PASSWD='0penstackRMQ'
NEUTRON_PASSWD='neutron1234!'
computeTunnelIP='172.31.240.45'

1.安装neutron组件

yum -y install openstack-neutron-ml2 ebtables ipset

2.配置neutron服务访问memcached服务

openstack-config --set  /etc/neutron/neutron.conf cache backend  oslo_cache.memcache_pool
openstack-config --set  /etc/neutron/neutron.conf cache enabled  true
openstack-config --set  /etc/neutron/neutron.conf cache memcache_servers  ${controllerHost}:11211

3.配置neutron服务访问rabbitmq服务

openstack-config --set  /etc/neutron/neutron.conf DEFAULT transport_url rabbit://openstack:${RABBIT_PASSWD}@${controllerHost}:5672

4.配置neutron服务访问认证服务

openstack-config --set  /etc/neutron/neutron.conf DEFAULT auth_strategy  keystone
openstack-config --set  /etc/neutron/neutron.conf keystone_authtoken  auth_uri  http://${controllerHost}:5000
openstack-config --set  /etc/neutron/neutron.conf keystone_authtoken  auth_url  http://${controllerHost}:5000
openstack-config --set  /etc/neutron/neutron.conf keystone_authtoken  auth_type password
openstack-config --set  /etc/neutron/neutron.conf keystone_authtoken  project_domain_name  default
openstack-config --set  /etc/neutron/neutron.conf keystone_authtoken  user_domain_name  default
openstack-config --set  /etc/neutron/neutron.conf keystone_authtoken  project_name  service
openstack-config --set  /etc/neutron/neutron.conf keystone_authtoken  username  neutron
openstack-config --set  /etc/neutron/neutron.conf keystone_authtoken  password  ${NEUTRON_PASSWD}

5.配置neutron中oslo库的锁定路径

openstack-config --set  /etc/neutron/neutron.conf oslo_concurrency lock_path  /var/lib/neutron/tmp

6.使能网桥调用内核过滤器netfilter功能

sed -i "/net.bridge.bridge-nf-call-ip6tables/c\net.bridge.bridge-nf-call-ip6tables = 1"  /usr/lib/sysctl.d/00-system.conf
sed -i "/net.bridge.bridge-nf-call-iptables/c\net.bridge.bridge-nf-call-iptables = 1"   /usr/lib/sysctl.d/00-system.conf
sysctl -p

7.配置nova服务使能对neutron服务的支持

openstack-config --set /etc/nova/nova.conf DEFAULT use_neutron  true
openstack-config --set /etc/nova/nova.conf neutron url  http://${controllerHost}:9696
openstack-config --set /etc/nova/nova.conf neutron auth_url  http://${controllerHost}:5000
openstack-config --set /etc/nova/nova.conf neutron project_domain_name  default
openstack-config --set /etc/nova/nova.conf neutron user_domain_name  default
openstack-config --set /etc/nova/nova.conf neutron region_name  RegionOne
openstack-config --set /etc/nova/nova.conf neutron project_name  service
openstack-config --set /etc/nova/nova.conf neutron auth_type  password
openstack-config --set /etc/nova/nova.conf neutron username  neutron
openstack-config --set /etc/nova/nova.conf neutron password  ${NEUTRON_PASSWD}

8.重启nova服务

systemctl restart openstack-nova-api.service && systemctl status openstack-nova-api.service

在计算节点上使用linuxbridge作为虚拟交换机

9.安装linuxbridge组件

yum -y install openstack-neutron-linuxbridge

10.开启安全组功能，并加载防火墙驱动程序

openstack-config --set /etc/neutron/plugins/ml2/linuxbridge_agent.ini securitygroup enable_security_group  true
openstack-config --set /etc/neutron/plugins/ml2/linuxbridge_agent.ini securitygroup firewall_driver  neutron.agent.linux.iptables_firewall.IptablesFirewallDriver

11.启动L2集群机制

openstack-config --set /etc/neutron/plugins/ml2/linuxbridge_agent.ini vxlan l2_population  true

12.创建vxlan隧道并设置隧道的物理接口IP

openstack-config --set /etc/neutron/plugins/ml2/linuxbridge_agent.ini vxlan enable_vxlan  true
openstack-config --set /etc/neutron/plugins/ml2/linuxbridge_agent.ini vxlan local_ip  ${computeTunnelIP}

13.启动neutron服务

systemctl enable neutron-linuxbridge-agent.service
systemctl restart neutron-linuxbridge-agent.service
systemctl status neutron-linuxbridge-agent.service

在计算节点上使用OVS作为虚拟交换机

9.安装openvswitch组件

yum -y install openstack-neutron-openvswitch

10.开启安全组功能，并加载防火墙驱动程序

openstack-config --set  /etc/neutron/plugins/ml2/openvswitch_agent.ini securitygroup firewall_driver neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver
openstack-config --set  /etc/neutron/plugins/ml2/openvswitch_agent.ini securitygroup enable_security_group True

11.启用L2集群机制

openstack-config --set  /etc/neutron/plugins/ml2/openvswitch_agent.ini agent l2_population True

12.创建vxlan隧道并设置隧道的物理接口IP

openstack-config --set  /etc/neutron/plugins/ml2/openvswitch_agent.ini agent tunnel_types vxlan
openstack-config --set  /etc/neutron/plugins/ml2/openvswitch_agent.ini ovs integration_bridge br-int
openstack-config --set  /etc/neutron/plugins/ml2/openvswitch_agent.ini ovs tunnel_bridge br-tun
openstack-config --set  /etc/neutron/plugins/ml2/openvswitch_agent.ini ovs enable_tunneling True
openstack-config --set  /etc/neutron/plugins/ml2/openvswitch_agent.ini ovs local_ip ${computeTunnelIP}

13.启动neutron服务

systemctl enable neutron-openvswitch-agent.service
systemctl restart neutron-openvswitch-agent.service
systemctl status neutron-openvswitch-agent.service