现在在compute完成一下比较轻松的操作
yum install openstack-neutron-ml2 openstack-neutron-openvswitch -y
openstack-config --set /etc/neutron/neutron.conf DEFAULT auth_strategy keystone
openstack-config --set /etc/neutron/neutron.conf keystone_authtoken auth_uri http://controller:5000
openstack-config --set /etc/neutron/neutron.conf keystone_authtoken auth_host controller
openstack-config --set /etc/neutron/neutron.conf keystone_authtoken auth_protocol http
openstack-config --set /etc/neutron/neutron.conf keystone_authtoken auth_port 35357
openstack-config --set /etc/neutron/neutron.conf keystone_authtoken admin_tenant_name service
openstack-config --set /etc/neutron/neutron.conf keystone_authtoken admin_user neutron
openstack-config --set /etc/neutron/neutron.conf keystone_authtoken admin_password 000000
openstack-config --set /etc/neutron/neutron.conf DEFAULT rpc_backend neutron.openstack.common.rpc.impl_qpid
openstack-config --set /etc/neutron/neutron.conf DEFAULT qpid_hostname controller
openstack-config --set /etc/nova/nova.conf DEFAULT network_api_class nova.network.neutronv2.api.API
openstack-config --set /etc/nova/nova.conf DEFAULT neutron_url http://controller:9696
openstack-config --set /etc/nova/nova.conf DEFAULT neutron_auth_strategy keystone
openstack-config --set /etc/nova/nova.conf DEFAULT neutron_admin_tenant_name service
openstack-config --set /etc/nova/nova.conf DEFAULT neutron_admin_username neutron
openstack-config --set /etc/nova/nova.conf DEFAULT neutron_admin_password 000000
openstack-config --set /etc/nova/nova.conf DEFAULT neutron_admin_auth_url http://controller:35357/v2.0
openstack-config --set /etc/nova/nova.conf DEFAULT linuxnet_interface_driver nova.network.linux_net.LinuxOVSInterfaceDriver
openstack-config --set /etc/nova/nova.conf DEFAULT firewall_driver nova.virt.firewall.NoopFirewallDriver
openstack-config --set /etc/nova/nova.conf DEFAULT security_group_api neutron
openstack-config --set /etc/nova/nova.conf DEFAULT vif_plugging_is_fatal False
openstack-config --set /etc/nova/nova.conf DEFAULT vif_plugging_timeout 0
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/plugins/ml2/ml2_conf.ini ml2 type_drivers flat,gre
openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2 tenant_network_types flat,gre
openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2 mechanism_drivers openvswitch
openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini securitygroup firewall_driver neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver
openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini securitygroup enable_security_group True
openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2_type_gre tunnel_id_ranges 1:1000
openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini ovs local_ip 192.168.100.20
openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini ovs tunnel_type gre
openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini ovs enable_tunneling True
openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini ml2_type_flat flat_networks physnet1
openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini ovs flat_networks physnet1
openstack-config --set /etc/neutron/plugins/ml2/ml2_conf.ini ovs bridge_mappings physnet1:br-ex
ln -s /etc/neutron/plugins/ml2/ml2_conf.ini /etc/neutron/plugin.ini
cp /etc/init.d/neutron-openvswitch-agent /etc/init.d/neutron-openvswitch-agent.orig
sed -i ‘s,plugins/openvswitch/ovs_neutron_plugin.ini,plugin.ini,g‘ /etc/init.d/neutron-openvswitch-agent
vi /etc/sysctl.conf
net.ipv4.ip_forward = 1
net.ipv4.conf.all.rp_filter = 0
net.ipv4.conf.default.rp_filter = 0
sysctl -p
vi /etc/sysconfig/network-scripts/ifcfg-br-ex
DEVICE=br-ex
ONBOOT=yes
NM_CONTROLLED=no
BOOTPROTO=static
DEFROUTE=yes
NAME="System br-ex"
IPADDR=192.168.200.20
GATEWAY=192.168.200.1
NETMASK=255.255.255.0
cp /etc/sysconfig/network-scripts/ifcfg-eth0 /etc/sysconfig/network-scripts/ifcfg-eth0.bak
service openvswitch restart
chkconfig openvswitch on
ovs-vsctl add-br br-int
ovs-vsctl add-br br-ex
ovs-vsctl add-port br-ex eth1
ethtool -K eth1 gro off
service network restart
openstack-config --set /etc/neutron/dhcp_agent.ini DEFAULT interface_driver neutron.agent.linux.interface.OVSInterfaceDriver
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 use_namespaces True
openstack-config --set /etc/neutron/metadata_agent.ini DEFAULT auth_url http://controller:5000/v2.0
openstack-config --set /etc/neutron/metadata_agent.ini DEFAULT auth_region regionOne
openstack-config --set /etc/neutron/metadata_agent.ini DEFAULT admin_tenant_name service
openstack-config --set /etc/neutron/metadata_agent.ini DEFAULT admin_user neutron
openstack-config --set /etc/neutron/metadata_agent.ini DEFAULT admin_password 000000
openstack-config --set /etc/neutron/metadata_agent.ini DEFAULT nova_metadata_ip controller
openstack-config --set /etc/neutron/metadata_agent.ini DEFAULT metadata_proxy_shared_secret METADATA_SECRET
service openstack-nova-compute restart
service neutron-openvswitch-agent restart
service neutron-dhcp-agent restart
service neutron-metadata-agent restart
chkconfig neutron-openvswitch-agent on
chkconfig neutron-dhcp-agent on
chkconfig neutron-metadata-agent on