rabbit_password= RABBIT_PASS
c.编辑[DEFAULT]和[keystone_authtoken]小节,配置认证服务访问:
[DEFAULT]
…
auth_strategy= keystone
[keystone_authtoken]
…
auth_uri= http://controller.nice.com:5000/v2.0
identity_uri= http://controller.nice.com:35357admin_tenant_name= service
admin_user= neutron
admin_password= NEUTRON_PASS
d.编辑[DEFAULT]小节,启用Modular Layer2(ML2)插件,路由服务和重叠IP地址功能:
[DEFAULT]
…
core_plugin= ml2
service_plugins= router
allow_overlapping_ips= True
e.(可选)在[DEFAULT]小节中配置详细日志输出。方便排错。
[DEFAULT]
…
verbose = True
ML2插件使用Open vSwitch(OVS)机制为虚拟机实例提供网络框架。编辑/etc/neutron/plugins/ml2/ml2_conf.ini文件并完成下列操作:
a.编辑[ml2]小节,启用flat和generic routing encapsulation (GRE)网络类型驱动,配置GRE租户网络和OVS驱动机制。
[ml2]
…
type_drivers= flat,gre
tenant_network_types= gre
mechanism_drivers= openvswitch
b.编辑[ml2_type_flat]小节,配置外部网络:[ml2_type_flat]
…
flat_networks= external
c.编辑[ml2_type_gre]小节,配置隧道标识范围:
[ml2_type_gre]
…
tunnel_id_ranges= 1:1000
d.编辑[securitygroup]小节,启用安全组,启用ipset并配置OVS防火墙驱动:
[securitygroup]
…
enable_security_group= True
enable_ipset= True
firewall_driver= neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver
e.编辑[ovs]小节,配置Open vSwitch(OVS) 代理
[ovs]
…
local_ip= INSTANCE_TUNNELS_INTERFACE_IP_ADDRESS
tunnel_type= gre
enable_tunneling= True
bridge_mappings= external:br-ex





[root@network ~]# systemctl enable openvswitch.service
ln -s ‘/usr/lib/systemd/system/openvswitch.service’ ‘/etc/systemd/system/multi-user.target.wants/openvswitch.service’
[root@network ~]# systemctl start openvswitch.service
[root@network ~]# ovs-vsctl add-br br-ex
[root@network ~]# ovs-vsctl add-port br-ex eno50332184
[root@network ~]# ln -s /etc/neutron/plugins/ml2/ml2_conf.ini /etc/neutron/plugin.ini
[root@network ~]# cp/usr/lib/systemd/system/neutron-openvswitch-agent.service/usr/lib/systemd/system/neutron-openvswitch-agent.service.orig
-bash: cp/usr/lib/systemd/system/neutron-openvswitch-agent.service/usr/lib/systemd/system/neutron-openvswitch-agent.service.orig: No such file or directory
[root@network ~]# cp /usr/lib/systemd/system/neutron-openvswitch-agent.service /usr/lib/systemd/system/neutron-openvswitch-agent.service.orig
[root@network ~]# sed -i ‘s,plugins/openvswitch/ovs_neutron_plugin.ini,plugin.ini,g’ /usr/lib/systemd/system/neutron-openvswitch-agent.service
[root@network ~]# systemctl enable neutron-openvswitch-agent.service neutron-l3-agent.service neutron-dhcp-agent.service neutron-metadata-agent.service neutron-ovs-cleanup.service
ln -s ‘/usr/lib/systemd/system/neutron-openvswitch-agent.service’ ‘/etc/systemd/system/multi-user.target.wants/neutron-openvswitch-agent.service’
ln -s ‘/usr/lib/systemd/system/neutron-l3-agent.service’ ‘/etc/systemd/system/multi-user.target.wants/neutron-l3-agent.service’
ln -s ‘/usr/lib/systemd/system/neutron-dhcp-agent.service’ ‘/etc/systemd/system/multi-user.target.wants/neutron-dhcp-agent.service’
ln -s ‘/usr/lib/systemd/system/neutron-metadata-agent.service’ ‘/etc/systemd/system/multi-user.target.wants/neutron-metadata-agent.service’
ln -s ‘/usr/lib/systemd/system/neutron-ovs-cleanup.service’ ‘/etc/systemd/system/multi-user.target.wants/neutron-ovs-cleanup.service’
[root@network ~]# systemctl start neutron-openvswitch-agent.service neutron-l3-agent.service neutron-dhcp-agent.service neutron-metadata-agent.service
3、配置compute节点










4、验证安装
[root@controller ~]# neutron net-create ext-net --shared --router:external True --provider:physical_network external --provider:network_type flat
Created a new network:
±--------------------------±-------------------------------------+
| Field | Value |
±--------------------------±-------------------------------------+
| admin_state_up | True |
| id | f4314f21-5fc1-423b-b011-e5ad14de1767 |
| name | ext-net |
| provider:network_type | flat |
| provider:physical_network | external |
| provider:segmentation_id | |
| router:external | True |
| shared | True |
| status | ACTIVE |
| subnets | |
| tenant_id | dc4de4d7ecda4ed898b5e0d82809d2ad |
±--------------------------±-------------------------------------+
创建外部网络子网
[root@controller ~]# neutron subnet-create ext-net --name ext-subnet --allocation-pool start=100.100.100.12,end=100.100.100.240 --disable-dhcp --gateway 100.100.100.11 100.100.100.0/24
Created a new subnet:
±------------------±------------------------------------------------------+
| Field | Value |
±------------------±------------------------------------------------------+
| allocation_pools | {“start”: “100.100.100.12”, “end”: “100.100.100.240”} |
| cidr | 100.100.100.0/24 |
| dns_nameservers | |
| enable_dhcp | False |
| gateway_ip | 100.100.100.11 |
| host_routes | |
| id | 1b9c8211-ab2d-4e61-8839-7fc780d201c4 |
| ip_version | 4 |
| ipv6_address_mode | |
| ipv6_ra_mode | |
| name | ext-subnet |
| network_id | f4314f21-5fc1-423b-b011-e5ad14de1767 |
| tenant_id | dc4de4d7ecda4ed898b5e0d82809d2ad |
±------------------±------------------------------------------------------+
创建租户网络
[root@controller ~]# source demo-openrc.sh
[root@controller ~]# neutron net-create demo-net
Created a new network:
±----------------±-------------------------------------+
| Field | Value |
±----------------±-------------------------------------+
| admin_state_up | True |
| id | c882ea04-dde5-4df0-a407-01a2a8dd7743 |
| name | demo-net |
| router:external | False |
| shared | False |
| status | ACTIVE |
| subnets | |
| tenant_id | ab56bdec367e478cbdfbd1769f9c1649 |
±----------------±-------------------------------------+

测试
[root@controller ~]# neutron router-list
±-------------------------------------±------------±-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------±------------±------+
| id | name | external_gateway_info | distributed | ha |
±-------------------------------------±------------±-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------±------------±------+
| 5b51cc40-0b8f-45f8-958a-66887d38d6ec | demo-router | {“network_id”: “f4314f21-5fc1-423b-b011-e5ad14de1767”, “enable_snat”: true, “external_fixed_ips”: [{“subnet_id”: “1b9c8211-ab2d-4e61-8839-7fc780d201c4”, “ip_address”: “100.100.100.12”}]} | False | False |
±-------------------------------------±------------±-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------±------------±------+
C:\Users\Jack>ping 100.100.100.12
正在 Ping 100.100.100.12 具有 32 字节的数据:
来自 100.100.100.12 的回复: 字节=32 时间<1ms TTL=64
来自 100.100.100.12 的回复: 字节=32 时间<1ms TTL=64
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本文指导如何配置OpenStackNeutron服务,包括设置Keystone认证、启用ML2插件、配置OVS网络和安全组,以及详细步骤如编辑ini文件和启动相关服务。
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