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# openstack 使用 openvswitch + vxlan

# openstack  pike linuxbridge-agent 换为 openvswitch-agent

#控制节点

##########################

#安装过linuxbridge，需删除

#关闭,卸载linuxbridge-agent

systemctl disable neutron-linuxbridge-agent

systemctl stop    neutron-linuxbridge-agent

yum remove -y openstack-neutron-linuxbridge

#删除网络,在Web版操作

#释放虚拟ip地址——删除route——删除网络

# ##部分命令参考

# #查看bridge agent

# Bridge=`openstack network agent list | grep 'Linux bridge agent'|awk '{print $2}'`

# echo $Bridge

# #删除bridge agent

# neutron agent-delete $Bridge

# #删除网络

# NET=`openstack network list|awk '{print $2}'`

# echo $NET

# openstack network delete  $NET

##########################

#安装openvswitch

yum install -y openstack-neutron-openvswitch

#参数

MyIP=10.2.1.17

Net=ens33 #网卡名

#内核配置

echo '

net.ipv4.conf.all.rp_filter=

net.ipv4.conf.default.rp_filter=

'>>/etc/sysctl.conf

sysctl -p

#backup

cp /etc/neutron/plugins/ml2/ml2_conf.ini{,bak1}

cp /etc/neutron/l3_agent.ini{,bak1}

cp /etc/neutron/dhcp_agent.ini{,bak1}

cp /etc/neutron/plugins/ml2/openvswitch_agent.ini{,.bak}

#开启route

openstack-config --set /etc/neutron/neutron.conf DEFAULT service_plugins router

echo '#

[ml2]

tenant_network_types = vxlan

type_drivers = flat,vlan,gre,vxlan

mechanism_drivers = openvswitch,l2population

extension_drivers = port_security

[ml2_type_flat]

flat_networks = provider

[ml2_type_vxlan]

vni_ranges = :

[securitygroup]

#enable_security_group = true

enable_ipset = true

#'>/etc/neutron/plugins/ml2/ml2_conf.ini

echo '#

[DEFAULT]

#interface_driver = openvswitch

interface_driver=neutron.agent.linux.interface.OVSInterfaceDriver

external_network_bridge = br-ex

#'>/etc/neutron/l3_agent.ini

echo '#

[DEFAULT]

#interface_driver = openvswitch

interface_driver=neutron.agent.linux.interface.OVSInterfaceDriver

dhcp_driver = neutron.agent.linux.dhcp.Dnsmasq

enable_isolated_metadata = true

#'>/etc/neutron/dhcp_agent.ini

echo '#

[ovs]

integration_bridge = br-int

tunnel_bridge = br-tun

local_ip = '$MyIP'

#bridge_mappings = br-ex

#bridge_mappings = provider:br-ex

bridge_mappings =

[agent]

tunnel_types = vxlan,gre

l2_population = true

arp_responder = true

[securitygroup]

#enable_ipset = true

enable_security_group = true

firewall_driver = neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver

#'>/etc/neutron/plugins/ml2/openvswitch_agent.ini

#启动openvswitch服务

systemctl enable openvswitch

systemctl restart openvswitch 

#创建网桥，将ip转移到网桥，添加到开机启动

echo '#

ovs-vsctl add-br br-ex

ovs-vsctl add-port br-ex  '$Net'

ovs-vsctl show

ifconfig '$Net' 0.0.0.0

ifconfig br-ex '$MyIP'/

route add default gw 10.2.1.1 #可选，添加默认路由

#'>>/etc/rc.local

chmod +x /etc/rc.d/rc.localtail -n  /etc/rc.local |bash

#启用L3

systemctl enable neutron-l3-agent.service

#systemctl restart neutron-l3-agent.service

#重启服务

systemctl restart neutron-server  neutron-dhcp-agent neutron-metadata-agent \

   neutron-l3-agent neutron-openvswitch-agent

############################################################

#计算节点

#参数

MyIP=10.2.1.16

Net=ens33 #网卡名

#内核配置

echo '

net.ipv4.conf.all.rp_filter=

net.ipv4.conf.default.rp_filter=

net.bridge.bridge-nf-call-iptables=

net.bridge.bridge-nf-call-ip6tables=

'>>/etc/sysctl.conf

sysctl -p

yum install -y openstack-neutron-openvswitch

#backup

cp /etc/neutron/plugins/ml2/ml2_conf.ini{,bak1}

cp /etc/neutron/plugins/ml2/openvswitch_agent.ini{,.bak}

#开启route

openstack-config --set /etc/neutron/neutron.conf DEFAULT service_plugins router

echo '#

[agent]

tunnel_types = vxlan,gre

l2_population = true

arp_responder = true

[ovs]

local_ip = '$MyIP'

tunnel_bridge = br-tun

#bridge_mappings = br-ex

#bridge_mappings = provider:br-ex

bridge_mappings =

[securitygroup]

enable_ipset = true

enable_security_group = true

firewall_driver = neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver

#'>/etc/neutron/plugins/ml2/openvswitch_agent.ini

echo '#

[ml2]

tenant_network_types = vxlan

type_drivers = flat,vlan,vxlan

mechanism_drivers = openvswitch,l2population

extension_drivers = port_security

[ml2_type_flat]

flat_networks = provider

[ml2_type_vxlan]

vni_ranges = :

[securitygroup]

enable_security_group = true

enable_ipset = true

#'>/etc/neutron/plugins/ml2/ml2_conf.ini

#启动服务

systemctl enable neutron-openvswitch-agent.service

systemctl restart neutron-openvswitch-agent.service

#创建网桥，将ip转移到网桥，添加到开机启动

echo '#

ovs-vsctl add-br br-ex

ovs-vsctl add-port br-ex  '$Net'

ovs-vsctl show

ifconfig '$Net' 0.0.0.0

ifconfig br-ex '$MyIP'/

route add default gw 10.2.1.1 #可选，添加默认路由

#'>>/etc/rc.local

chmod +x /etc/rc.d/rc.local ;tail -n  /etc/rc.local |bash

#重启服务

systemctl restart openstack-nova-compute neutron-openvswitch-agent

############################################################

#参考

http://blog.csdn.net/dylloveyou/article/details/70305620

http://blog.csdn.net/wylfengyujiancheng/article/details/70129720

https://www.cnblogs.com/goldsunshine/p/7358429.html

http://www.jianshu.com/p/a58f84af34d2

http://blog.csdn.net/s1234567_89/article/details/51860650

http://www.bubuko.com/infodetail-2012336.html

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