openstack网络服务neutron (控制节点)

官方文档：https://docs.openstack.org/neutron/pike/install/controller-install-rdo.html
https://docs.openstack.org/neutron/pike/install/controller-install-option1-rdo.html

加载环境变量
source admin-openstack.sh

创建neutron用户
openstack user create --domain default --password-prompt neutron

[root@linux-node-1 ~]# openstack user create --domain default --password-prompt neutron
User Password:
Repeat User Password:
+---------------------+----------------------------------+
| Field | Value |
+---------------------+----------------------------------+
| domain_id | default |
| enabled | True |
| id | 6fd4dc2d1cd749728417b415b4daffc0 |
| name | neutron |
| options | {} |
| password_expires_at | None |
+---------------------+----------------------------------+

授予neutron用户于admin角色
openstack role add --project service --user neutron admin

创建neutron服务
openstack service create --name neutron
--description "OpenStack Networking" network

创建网络服务API端点：
openstack endpoint create --region RegionOne
network public http://192.168.2.11:9696

openstack endpoint create --region RegionOne
network internal http://192.168.2.11:9696

openstack endpoint create --region RegionOne
network admin http://192.168.2.11:9696

安装
yum install openstack-neutron openstack-neutron-ml2
openstack-neutron-linuxbridge ebtables -y

修改配置文件
vim /etc/neutron/neutron.conf
[database]
...
#打开注释并修改
710 connection = mysql+pymysql://neutron:neutron@192.168.2.11/neutron

[DEFAULT]
# ...
#打开注释并修改
30 core_plugin = ml2
#打开注释
33 service_plugins =

[DEFAULT]
# ...
#打开注释并修改
553 transport_url = rabbit://openstack:openstack@192.168.2.11

[DEFAULT]
# ...
#打开注释
27 auth_strategy = keystone

[keystone_authtoken]
# ...
#添加内容（795行）
auth_uri = http://192.168.2.11:5000
auth_url = http://192.168.2.11:35357
memcached_servers = 192.168.2.11:11211
auth_type = password
project_domain_name = default
user_domain_name = default
project_name = service
username = neutron
password = neutron

[DEFAULT]
# ...
#打开注释（98行、102行）
notify_nova_on_port_status_changes = true
notify_nova_on_port_data_changes = true

[nova]
# ...
#添加内容（1024行）
auth_url = http://192.168.2.11:35357
auth_type = password
project_domain_name = default
user_domain_name = default
region_name = RegionOne
project_name = service
username = nova
password = nova

[oslo_concurrency]
# ...
#打开注释（1143行）
lock_path = /var/lib/neutron/tmp

查看修该改过的内容
[root@linux-node-1 ~]# grep '^[a-Z]' /etc/neutron/neutron.conf
auth_strategy = keystone
core_plugin = ml2
service_plugins =
notify_nova_on_port_status_changes = true
notify_nova_on_port_data_changes = true
transport_url = rabbit://openstack:openstack@192.168.2.11
connection = mysql+pymysql://neutron:neutron@192.168.2.11/neutron
auth_uri = http://192.168.2.11:5000
auth_url = http://192.168.2.11:35357
memcached_servers = 192.168.2.11:11211
auth_type = password
project_domain_name = default
user_domain_name = default
project_name = service
username = neutron
password = neutron
auth_url = http://192.168.2.11:35357
auth_type = password
project_domain_name = default
user_domain_name = default
region_name = RegionOne
project_name = service
username = nova
password = nova
lock_path = $state_path/lock

vim /etc/neutron/plugins/ml2/ml2_conf.ini
[ml2]
...
#打开注释
132 type_drivers = local,flat,vlan,gre,vxlan,geneve
#打开注释并修改
137 tenant_network_types =
#打开注释并修改
141 mechanism_drivers = linuxbridge
#打开注释并修改
146 extension_drivers = port_security

[ml2_type_flat]
# ...
#打开注释并修改（181行）
flat_networks = provider

[securitygroup]
# ...
#打开注释（259行）
enable_ipset = true

vim /etc/neutron/plugins/ml2/linuxbridge_agent.ini
[linux_bridge]
#打开注释并修改
physical_interface_mappings = provider:ens33

[vxlan]
#打开注释并修改（175行）
enable_vxlan = false

[securitygroup]
# ...
#打开注释（160行）
enable_security_group = true
#打开并修改（155行）
firewall_driver = neutron.agent.linux.iptables_firewall.IptablesFirewallDriver

[root@linux-node-1 ~]# grep '^[a-Z]' /etc/neutron/plugins/ml2/linuxbridge_agent.ini
physical_interface_mappings =provider:ens33
firewall_driver = neutron.agent.linux.iptables_firewall.IptablesFirewallDriver
enable_security_group = true
enable_vxlan = false

vim /etc/neutron/dhcp_agent.ini

[DEFAULT]
# ...
#打开注释并修改（16行）
interface_driver = linuxbridge
#打开注释（31行）
dhcp_driver = neutron.agent.linux.dhcp.Dnsmasq
#打开注释并修改（41行）
enable_isolated_metadata = true

[root@linux-node-1 ~]# grep '^[a-Z]' /etc/neutron/dhcp_agent.ini
interface_driver = linuxbridge
dhcp_driver = neutron.agent.linux.dhcp.Dnsmasq
enable_isolated_metadata = true

[DEFAULT]
#打开注释并修改（23行、35行）
nova_metadata_host = 192.168.2.11
metadata_proxy_shared_secret = openstack

vim /etc/nova/nova.conf
[neutron]
#添加内容（7186行）
url = http://192.168.2.11:9696
auth_url = http://192.168.2.11:35357
auth_type = password
project_domain_name = default
user_domain_name = default
region_name = RegionOne
project_name = service
username = neutron
password = neutron
service_metadata_proxy = true
metadata_proxy_shared_secret = openstack

创建软链接
ln -s /etc/neutron/plugins/ml2/ml2_conf.ini /etc/neutron/plugin.ini

同步数据库
su -s /bin/sh -c "neutron-db-manage --config-file /etc/neutron/neutron.conf
--config-file /etc/neutron/plugins/ml2/ml2_conf.ini upgrade head" neutron

重启服务nova-api：
systemctl restart openstack-nova-api.service

systemctl enable neutron-server.service
neutron-linuxbridge-agent.service
neutron-dhcp-agent.service
neutron-metadata-agent.service

systemctl start neutron-server.service
neutron-linuxbridge-agent.service
neutron-dhcp-agent.service
neutron-metadata-agent.service

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原文地址：https://www.cnblogs.com/liuhui-xzz/p/9905577.html