部署OpenStack 参见： http://docs.openstack.org/newton/install-guide-rdo/
*Liberty开始 neutron-L2-agent默认使用 LinuxBridge，但生成环境使用的OpenvSwitch，此处提供使用OpenvSwitch的相关配置：
1 # Configure the Modular Layer 2 (ML2) plug-in 2 # Controller Node 3 yum install openstack-neutron-openvswitch 4 5 # Edit /etc/neutron/plugins/ml2/ml2_conf.ini 6 [ml2] 7 mechanism_drivers = openvswitch,l2population 8 9 # Edit /etc/neutron/plugins/ml2/openvswitch_agent.ini 10 [agent] 11 tunnel_types = vxlan 12 l2_population = true 13 14 [ovs] 15 local_ip = $ip 16 bridge_mappings = # For flat,vlan 17 of_interface = ovs-ofctl 18 19 [securitygroup] 20 firewall_driver = iptables 21 22 # Edit /etc/neutron/l3_agent.ini 23 [DEFAULT] 24 interface_driver = neutron.agent.linux.interface.OVSInterfaceDriver 25 26 # Edit etc/neutron/dhcp_agent.ini 27 [DEFAULT] 28 interface_driver = neutron.agent.linux.interface.OVSInterfaceDriver 29 dhcp_driver = neutron.agent.linux.dhcp.Dnsmasq 30 enable_isolated_metadata = True 31 32 33 34 #Compute Node 35 yum install openstack-neutron-openvswitch 36 37 # Edit /etc/neutron/plugins/ml2/openvswitch_agent.ini 38 [agent] 39 tunnel_types = vxlan 40 l2_population = true 41 42 [ovs] 43 local_ip = $ip 44 bridge_mappings = # For vlan 45 of_interface = ovs-ofctl 46 47 [securitygroup] 48 firewall_driver = iptables_hybrid
OVN + DPDK(计算节点)
1 # 配置 ovn-controller 2 3 ovs-vsctl set open . external_ids=ovn-remote:tcp:$controller_ip:6642 4 ovs-vsctl set open . external_ids=ovn-encap-ip:$local_host_ip 5 ovs-vsctl set open . external_ids=ovn-encap-type:geneve 6 7 8 ovs-vsctl set open . external_ids:datapath-type="netdev" 9 ovs-vsctl set open . external_ids:iface-types="dpdkvhostuser"
创建虚机
OVS-DPDK uses hugepages to communicate with guests, before you boot a VM with OVS-DPDK you will need to create a flavor that requests hugepages.
nova flavor-key <FLAVOR> set hw:mem_page_size=large