RDO部署openstack（2）
配置ML2和VXLAN1. 安装和配置Neutron ML2 框架
(1) 安装在控制节点上（运行Neutron-server的节点）
service neutron-server stop
yum install openstack-neutron-ml2 python-pyudev -y
ln -s /etc/neutron/plugins/ml2/ml2_conf.ini /etc/neutron/plugin.ini -f
(2) 配置ML2参数
crudini --set /etc/neutron/neutron.conf DEFAULT core_plugin neutron.plugins.ml2.plugin.Ml2Plugin
# 启用L3路由服务，这里还可以在后面增加LBaaS、VPNaaS、FWaaS插件，插件间用逗号分隔即可。
crudini --set /etc/neutron/neutron.conf DEFAULT service_plugins neutron.services.l3_router.l3_router_plugin.L3RouterPlugin
# 启动Mechanism插件，默认启用了OpenvSwitch，LinuxBridge和L2Population。
crudini --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2 mechanism_drivers openvswitch,linuxbridge,l2population
# 启动Type插件，目前默认支持local、flat、vlan、gre、vxlan。
crudini --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2 type_drivers local,flat,vlan,gre,vxlan
# 租户网络类型，这边我们选择vxlan
crudini --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2 tenant_network_types vxlan
# 数据库配置，可直接参考/etc/neutron/neutron.conf
crudini --set /etc/neutron/plugins/ml2/ml2_conf.ini database sql_connection mysql://neutron:@/neutron_ml2
# 防火墙驱动
crudini --set /etc/neutron/plugins/ml2/ml2_conf.ini securitygroup firewall_driver neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver
# 给每类Type插件，定义参数
crudini --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2_type_vlan network_vlan_ranges
crudini --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2_type_flat flat_networks
crudini --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2_type_gre tunnel_id_ranges
# 这里我们为vxlan配置vni范围，在1:10000。
crudini --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2_type_vxlan vni_ranges 1:10000
(3) 数据库初始化
mysql -e "drop database if exists neutron_ml2;"
mysql -e "create database neutron_ml2 character set utf8;"
mysql -e "grant all on neutron_ml2.* to 'neutron'@'%';"
neutron-db-manage --config-file /usr/share/neutron/neutron-dist.conf --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugin.ini upgrade head
service neutron-server start
(4) 在网络节点和计算节点上配置
/etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini:
tunnel_id_ranges=1:10000
tenant_network_type=vxlan
enable_tunneling=True
tunnel_type = vxlan
local_ip = 192.168.188.136
tunnel_types = vxlan l2_population = True
service neutron-openvswitch-agent restart
(5) 配置IPtables策略，开放vxlan端口
/etc/sysconfig/iptables:
-A INPUT -p udp --dport 4789 -j ACCEPT
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