OpenStack实战十五——Neutron实现阿里云ECS网络

1. 环境准备

  • ECS网络

OpenStack实战十五——Neutron实现阿里云ECS网络

  • VMware修改host模式网络

OpenStack实战十五——Neutron实现阿里云ECS网络

  • node1、node2各添加一块网卡,连接到VMnet1

OpenStack实战十五——Neutron实现阿里云ECS网络

  • node1、node2修改eth1配置文件

    [root@linux-node1 network-scripts]# cp ifcfg-eth0 ifcfg-eth1
    [root@linux-node1 network-scripts]# vi ifcfg-eth1
    NAME="eth1"
    ONBOOT=yes
    NETBOOT=yes
    BOOTPROTO=none
    TYPE=Ethernet
    DEFROUTE=yes
    IPV4_FAILURE_FATAL=no
    IPADDR=192.168.57.11    #node2改成192.168.57.12
    PREFIX=24
    
    [root@linux-node1 network-scripts]# ifup eth1
    Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/5)
    
    [root@linux-node1 network-scripts]# ifconfig eth1
    eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
            inet 192.168.57.11  netmask 255.255.255.0  broadcast 192.168.57.255
            inet6 fe80::20c:29ff:fead:6265  prefixlen 64  scopeid 0x20<link>
            ether 00:0c:29:ad:62:65  txqueuelen 1000  (Ethernet)
            RX packets 3  bytes 180 (180.0 B)
            RX errors 0  dropped 0  overruns 0  frame 0
            TX packets 12  bytes 918 (918.0 B)
            TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

                                                             

2. Neutron配置

2.1 编辑 etc/neutron/plugins/ml2/linuxbridge_agent.ini,配置linuxbridge

[root@linux-node1 ~]# vim /etc/neutron/plugins/ml2/linuxbridge_agent.ini

138 physical_interface_mappings = public:eth0,internet:eth1

2.2 配置 /etc/neutron/plugins/ml2/ml2_conf.ini

[root@linux-node1 ~]# vim /etc/neutron/plugins/ml2/ml2_conf.ini

flat_networks = public,internet

2.3 重启linuxbridge

[root@linux-node1 ~]# systemctl restart neutron-linuxbridge-agent.service

2.4 计算节点修改linuxbridge配置文件

[root@linux-node2 network-scripts]# vi /etc/neutron/plugins/ml2/linuxbridge_agent.ini

138 physical_interface_mappings = public:eth0,internet:eth1

[root@linux-node2 network-scripts]# systemctl restart neutron-linuxbridge-agent.servic

                                        

3. 创建网络

  • 1.在控制节点上,加载 admin 凭证(需使用admin权限来创建)

    [root@linux-node1 ~]# systemctl restart neutron-server #更改ml2配置需重启服务
    [root@linux-node1 ~]# source admin-openstack.sh
  • 2.创建网络

    [root@linux-node1 ~]# neutron net-create --shared --provider:physical_network internet --provider:network_type flat internet-net
    Created a new network:
    +---------------------------+--------------------------------------+
    | Field                     | Value                                |
    +---------------------------+--------------------------------------+
    | admin_state_up            | True                                 |
    | availability_zone_hints   |                                      |
    | availability_zones        |                                      |
    | created_at                | 2017-04-29T13:52:38                  |
    | description               |                                      |
    | id                        | bb7b3982-cd78-4130-890d-2de1e0c6255c |
    | ipv4_address_scope        |                                      |
    | ipv6_address_scope        |                                      |
    | mtu                       | 1500                                 |
    | name                      | internet-net                         |
    | port_security_enabled     | True                                 |
    | provider:network_type     | flat                                 |
    | provider:physical_network | internet                             |
    | provider:segmentation_id  |                                      |
    | router:external           | False                                |
    | shared                    | True                                 |
    | status                    | ACTIVE                               |
    | subnets                   |                                      |
    | tags                      |                                      |
    | tenant_id                 | eac1d8e85417450bafe92987e5d56778     |
    | updated_at                | 2017-04-29T13:52:38                  |
    +---------------------------+--------------------------------------+
  • 3.创建子网

    [root@linux-node1 ~]# neutron subnet-create --name internet-subnet --allocation-pool start=192.168.57.100,end=192.168.57.200 --dns-nameserver 223.5.5.5 internet-net 192.168.57.0/24
    Created a new subnet:
    +-------------------+------------------------------------------------------+
    | Field             | Value                                                |
    +-------------------+------------------------------------------------------+
    | allocation_pools  | {"start": "192.168.57.100", "end": "192.168.57.200"} |
    | cidr              | 192.168.57.0/24                                      |
    | created_at        | 2017-04-29T13:56:23                                  |
    | description       |                                                      |
    | dns_nameservers   | 223.5.5.5                                            |
    | enable_dhcp       | True                                                 |
    | gateway_ip        | 192.168.57.1                                         |
    | host_routes       |                                                      |
    | id                | 82180df7-3e08-48ba-9051-2a183f577872                 |
    | ip_version        | 4                                                    |
    | ipv6_address_mode |                                                      |
    | ipv6_ra_mode      |                                                      |
    | name              | internet-subnet                                      |
    | network_id        | bb7b3982-cd78-4130-890d-2de1e0c6255c                 |
    | subnetpool_id     |                                                      |
    | tenant_id         | eac1d8e85417450bafe92987e5d56778                     |
    | updated_at        | 2017-04-29T13:56:23                                  |
    +-------------------+------------------------------------------------------+
  • 4.查看网络

    [root@linux-node1 ~]# openstack network list
    +--------------------------------------+--------------+--------------------------------------+
    | ID                                   | Name         | Subnets                              |
    +--------------------------------------+--------------+--------------------------------------+
    | f3006de4-de03-4bec-af7f-40d3791b645e | public-net   | 0cf4b0dd-79de-44c4-be7c-ca6d8ee88f09 |
    | bb7b3982-cd78-4130-890d-2de1e0c6255c | internet-net | 82180df7-3e08-48ba-9051-2a183f577872 |
    +--------------------------------------+--------------+--------------------------------------+
  • 5.创建阿里云ECS网络

OpenStack实战十五——Neutron实现阿里云ECS网络

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