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OpenStack控制节点neutron服务安装部署

OpenStack控制节点neutron服务安装部署

作者: 于飞_d529 | 来源:发表于2018-12-22 23:30 被阅读15次

    介绍

    OpenStack Networking(中子)允许您创建并附加由其他OpenStack服务管理的接口设备到网络。 可以实现插件以适应不同的网络设备和软件,为OpenStack架构和部署提供灵活性。
    它包括以下组件:
    neutron-server
    接受并将API请求路由到相应的OpenStack Networking插件以进行操作。
    OpenStack Networking plug-ins and agents
    插拔端口,创建网络或子网,并提供IP寻址。
    通用代理是L3,DHCP(动态主机IP寻址)和插件代理。
    Messaging queue
    大多数OpenStack网络设备用队列在neutron服务器和各种代理之间路由信息。 还充当数据库来存储特定插件的网络状态。

    创建数据库

    使用root用户登录数据库

    sudo mysql
    

    创建neutron数据库

    CREATE DATABASE neutron;
    

    创建neutron数据库并授权

    GRANT ALL PRIVILEGES ON neutron.* TO 'neutron'@'localhost' \
    IDENTIFIED BY 'NEUTRON_DBPASS';
    GRANT ALL PRIVILEGES ON neutron.* TO 'neutron'@'%' \
    IDENTIFIED BY 'NEUTRON_DBPASS';
    

    将NEUTRON_DBPASS替换为自己的密码

    创建服务凭证

    输入管理员凭证

    . admin-openrc
    

    创建openstack的neutron用户

    openstack user create --domain default --password-prompt neutron
    
    User Password:
    Repeat User Password:
    +---------------------+----------------------------------+
    | Field               | Value                            |
    +---------------------+----------------------------------+
    | domain_id           | default                          |
    | enabled             | True                             |
    | id                  | fdb0f541e28141719b6a43c8944bf1fb |
    | name                | neutron                          |
    | options             | {}                               |
    | password_expires_at | None                             |
    +---------------------+----------------------------------+
    

    将admin角色添加到service项目、neutron角色

    openstack role add --project service --user neutron admin
    

    创建neutron服务

    openstack service create --name neutron \
    --description "OpenStack Networking" network
    
    +-------------+----------------------------------+
    | Field       | Value                            |
    +-------------+----------------------------------+
    | description | OpenStack Networking             |
    | enabled     | True                             |
    | id          | f71529314dab4a4d8eca427e701d209e |
    | name        | neutron                          |
    | type        | network                          |
    +-------------+----------------------------------+
    

    创建neutron服务的API端口

    openstack endpoint create --region RegionOne \
    network public http://controller:9696
    
    +--------------+----------------------------------+
    | Field        | Value                            |
    +--------------+----------------------------------+
    | enabled      | True                             |
    | id           | 85d80a6d02fc4b7683f611d7fc1493a3 |
    | interface    | public                           |
    | region       | RegionOne                        |
    | region_id    | RegionOne                        |
    | service_id   | f71529314dab4a4d8eca427e701d209e |
    | service_name | neutron                          |
    | service_type | network                          |
    | url          | http://controller:9696           |
    +--------------+----------------------------------+
    
    openstack endpoint create --region RegionOne \
    network internal http://controller:9696
    
    +--------------+----------------------------------+
    | Field        | Value                            |
    +--------------+----------------------------------+
    | enabled      | True                             |
    | id           | 09753b537ac74422a68d2d791cf3714f |
    | interface    | internal                         |
    | region       | RegionOne                        |
    | region_id    | RegionOne                        |
    | service_id   | f71529314dab4a4d8eca427e701d209e |
    | service_name | neutron                          |
    | service_type | network                          |
    | url          | http://controller:9696           |
    +--------------+----------------------------------+
    
    openstack endpoint create --region RegionOne \
    network admin http://controller:9696
    
    +--------------+----------------------------------+
    | Field        | Value                            |
    +--------------+----------------------------------+
    | enabled      | True                             |
    | id           | 1ee14289c9374dffb5db92a5c112fc4e |
    | interface    | admin                            |
    | region       | RegionOne                        |
    | region_id    | RegionOne                        |
    | service_id   | f71529314dab4a4d8eca427e701d209e |
    | service_name | neutron                          |
    | service_type | network                          |
    | url          | http://controller:9696           |
    +--------------+----------------------------------+
    

    配置网络

    安装

    sudo apt install neutron-server neutron-plugin-ml2 \
    neutron-linuxbridge-agent neutron-l3-agent neutron-dhcp-agent \
    neutron-metadata-agent
    

    修改/etc/neutron/neutron.conf文件

    修改数据库连接配置

    [database]
    connection = mysql+pymysql://neutron:NEUTRON_DBPASS@controller/neutron
    

    替换NEUTRON_DBPASS为我们自己的密码,并且注释或者删除其他 [database]选项

    启用ML2插件,路由器服务和重叠IP地址

    [DEFAULT]
    core_plugin = ml2
    service_plugins = router
    allow_overlapping_ips = true
    

    修改连接rabbitmq配置

    [DEFAULT]
    transport_url = rabbit://openstack:RABBIT_PASS@controller
    

    替换RABBIT_PASS为自己的密码

    配置认证服务访问

    [DEFAULT]
    auth_strategy = keystone
    [keystone_authtoken]
    auth_uri = http://controller:5000
    auth_url = http://controller:35357
    memcached_servers = controller:11211
    auth_type = password
    project_domain_name = default
    user_domain_name = default
    project_name = service
    username = neutron
    password = NEUTRON_PASS
    

    替换NEUTRON_PASS为自己的密码,并且注释或者删除其他 [keystone_authtoken]部分

    配置Networking通知Compute网络拓扑变化

    [DEFAULT]
    notify_nova_on_port_status_changes = true
    notify_nova_on_port_data_changes = true
    
    [nova]
    auth_url = http://controller:35357
    auth_type = password
    project_domain_name = default
    user_domain_name = default
    region_name = RegionOne
    project_name = service
    username = nova
    password = NOVA_PASS
    

    替换NOVA_PASS为自己的密码

    配置ML2插件

    修改/etc/neutron/plugins/ml2/ml2_conf.ini文件

    启动flat、VLAN和VXLAN网络

    [ml2]
    type_drivers = flat,vlan,vxlan
    

    启用VXLAN自服务网络

    [ml2]
    tenant_network_types = vxlan
    

    启动Linux bridge和L2 population机制

    [ml2]
    mechanism_drivers = linuxbridge,l2population
    

    启动端口安全扩展驱动程序

    [ml2]
    extension_drivers = port_security
    

    将提供商虚拟网络配置为flat网络

    [ml2_type_flat]
    flat_networks = provider
    

    配置自服务网络的VXLAN网络标识符范围

    [ml2_type_vxlan]
    vni_ranges = 1:1000
    

    启用ipset来提高安全组规则的效率

    [securitygroup]
    enable_ipset = true
    

    配置Linux bridge代理

    修改/etc/neutron/plugins/ml2/linuxbridge_agent.ini文件

    将提供商虚拟网络映射到提供商物理网络接口

    [linux_bridge]
    physical_interface_mappings = provider:PROVIDER_INTERFACE_NAME
    

    PROVIDER_INTERFACE_NAME替换为控制节点外网网卡,例如enp9s0

    启用VXLAN覆盖网络,配置处理覆盖网络的物理网络接口的IP地址,并启动L2 population

    [vxlan]
    enable_vxlan = true
    local_ip = OVERLAY_INTERFACE_IP_ADDRESS
    l2_population = true
    

    用控制节点管理网络IP地址替换OVERLAY_INTERFACE_IP_ADDRESS,例如10.0.0.11

    启动安全组并配置Linux bridge iptables防火墙驱动

    [securitygroup]
    enable_security_group = true
    firewall_driver = neutron.agent.linux.iptables_firewall.IptablesFirewallDriver
    

    配置L3代理

    修改/etc/neutron/l3_agent.ini文件

    配置Linux bridge接口驱动和外网网桥

    [DEFAULT]
    interface_driver = linuxbridge
    

    配置DHCP代理

    修改/etc/neutron/dhcp_agent.ini文件

    配置Linux bridge接口驱动,Dnsmasq DHCP驱动,并启动启用隔离的元数据,从而提供商网络上的实例可以通过网络访问元数据

    [DEFAULT]
    interface_driver = linuxbridge
    dhcp_driver = neutron.agent.linux.dhcp.Dnsmasq
    enable_isolated_metadata = true
    

    配置metadata代理

    修改/etc/nova/nova.conf文件

    配置元数据主机和共享密匙

    [DEFAULT]
    nova_metadata_host = controller
    metadata_proxy_shared_secret = METADATA_SECRET
    

    为元数据代理选择合适的密匙替代METADATA_SECRET。

    配置compute服务以使用networking服务

    修改/etc/nova/nova.conf文件

    配置访问参数,启动元数据代理

    [neutron]
    url = http://controller:9696
    auth_url = http://controller:35357
    auth_type = password
    project_domain_name = default
    user_domain_name = default
    region_name = RegionOne
    project_name = service
    username = neutron
    password = NEUTRON_PASS
    service_metadata_proxy = true
    metadata_proxy_shared_secret = METADATA_SECRET
    

    用neutron用户密码替换NEUTRON_PASS。用元数据代理密匙替换METADATA_SECRET。

    完成安装

    填充计算服务数据库

    sudo -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
    

    重启计算api服务

    sudo service nova-api restart
    

    重启网络服务

    sudo service neutron-server restart
    sudo service neutron-linuxbridge-agent restart
    sudo service neutron-dhcp-agent restart
    sudo service neutron-metadata-agent restart
    sudo service neutron-l3-agent restart
    

    验证

    openstack network agent list
    +--------------------------------------+--------------------+------------+-------------------+-------+-------+---------------------------+
    | ID                                   | Agent Type         | Host       | Availability Zone | Alive | State | Binary                    |
    +--------------------------------------+--------------------+------------+-------------------+-------+-------+---------------------------+
    | f49a4b81-afd6-4b3d-b923-66c8f0517099 | Metadata agent     | controller | None              | True  | UP    | neutron-metadata-agent    |
    | 27eee952-a748-467b-bf71-941e89846a92 | Linux bridge agent | controller | None              | True  | UP    | neutron-linuxbridge-agent |
    | 08905043-5010-4b87-bba5-aedb1956e27a | Linux bridge agent | compute1   | None              | True  | UP    | neutron-linuxbridge-agent |
    | 830344ff-dc36-4956-84f4-067af667a0dc | L3 agent           | controller | nova              | True  | UP    | neutron-l3-agent          |
    | dd3644c9-1a3a-435a-9282-eb306b4b0391 | DHCP agent         | controller | nova              | True  | UP    | neutron-dhcp-agent        |
    +--------------------------------------+--------------------+------------+-------------------+-------+-------+---------------------------+

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