实例化网络
参考文档：http://www.aboutyun.com/thread-13187-1-1.html
http://www.aboutyun.com/thread-14639-1-1.html
http://docs.openstack.org/mitaka/install-guide-ubuntu/launch-instance.html#create-virtual-networks
一.创建外部网络
- 加载环境
source admin-openrc.sh- 创建网络
neutron net-create ext-net --shared --router:external --provider:physical_network external --provider:network_type flat
Created a new network:
+---------------------------+--------------------------------------+
| Field | Value |
+---------------------------+--------------------------------------+
| admin_state_up | True |
| id | 0e62efcd-8cee-46c7-b163-d8df05c3c5ad |
| mtu | 1500 |
| name | provider |
| port_security_enabled | True |
| provider:network_type | flat |
| provider:physical_network | provider |
| provider:segmentation_id | |
| router:external | False |
| shared | True |
| status | ACTIVE |
| subnets | |
| tenant_id | d84313397390425c8ed50b2f6e18d092 |
+---------------------------+--------------------------------------+二.创建外网上的子网
neutron subnet-create ext-net EXTERNAL_NETWORK_CIDR --name ext-subnet --allocation-pool start=FLOATING_IP_START,end=FLOATING_IP_END --disable-dhcp --gateway EXTERNAL_NETWORK_GATEWAY
#EXTERNAL_NETWORK_CIDR为可用上网IP网段（**一定要能上网**），如203.0.113.0/24，FLOATING_IP_START,end=FLOATING_IP_END是指floating IP的起始IP与终止IP，如203.0.113.100 203.0.113.156，EXTERNAL_NETWORK_GATEWAY为网关，一般是网段的第一个IP 如203.0.113.1例如：
neutron subnet-create ext-net 203.0.113.0/24 --name ext-subnet --allocation-pool start=203.0.113.100,end=203.0.113.156 --disable-dhcp --gateway 203.0.113.1
Created a new subnet:
+-------------------+----------------------------------------------------+
| Field | Value |
+-------------------+----------------------------------------------------+
| allocation_pools | {"start": "203.0.113.101", "end": "203.0.113.250"} |
| cidr | 203.0.113.0/24 |
| dns_nameservers | 8.8.4.4 |
| enable_dhcp | True |
| gateway_ip | 203.0.113.1 |
| host_routes | |
| id | 5cc70da8-4ee7-4565-be53-b9c011fca011 |
| ip_version | 4 |
| ipv6_address_mode | |
| ipv6_ra_mode | |
| name | provider |
| network_id | 0e62efcd-8cee-46c7-b163-d8df05c3c5ad |
| subnetpool_id | |
| tenant_id | d84313397390425c8ed50b2f6e18d092 |
+-------------------+----------------------------------------------------+三.创建租户（project）网络
- 加载环境（特别重要）
source demo-openrc.sh- 创建租户（project）网络
neutron net-create demo-net- 创建租户（project）网络子网
neutron subnet-create demo-net TENANT_NETWORK_CIDR --name demo-subnet --gateway TENANT_NETWORK_GATEWAY
#TENANT_NETWORK_CIDR为租户（project）网络，一般用192.168.**，**/24，TENANT_NETWORK_GATEWAY为网管一般为192.168.**.1，可以根据自己的需求设置。例如：
neutron subnet-create demo-net 192.168.1.0/24 --name demo-subnet --gateway 192.168.1.1
Created a new subnet:
+-------------------+------------------------------------------------+
| Field | Value |
+-------------------+------------------------------------------------+
| allocation_pools | {"start": "172.16.1.2", "end": "172.16.1.254"} |
| cidr | 192.168.1.0/24 |
| dns_nameservers | |
| enable_dhcp | True |
| gateway_ip | 192.168.1.1 |
| host_routes | |
| id | 3482f524-8bff-4871-80d4-5774c2730728 |
| ip_version | 4 |
| ipv6_address_mode | |
| ipv6_ra_mode | |
| name | demo-subnet |
| network_id | 7c6f9b37-76b4-463e-98d8-27e5686ed083 |
| tenant_id | f5b2ccaa75ac413591f12fcaa096aa5c |
+-------------------+------------------------------------------------+四.创建租户路由，并附加外网和租户网络到路由
- 创建租户路由
neutron router-create demo-router- 连接路由器到租户网络
neutron router-interface-add demo-router demo-subnet
#输出：Added interface bff6605d-824c-41f9-b744-21d128fc86e1 to router demo-router.- 连接路由器到外部网络通过设置为网关
neutron router-gateway-set demo-router ext-net五.验证（自己成功过2次，失败过3次，已无语）
- 控制节点ping 203.0.113.100（能ping通）
ping -c 4 203.0.113.100创建实例
（其实早忘记，一直用web页面创建的，温故一下）
一.环境
- 加载环境
source admin-openrc.sh- 生成并添加一个密钥对
nova keypair-add demo-key二.创建实例
- 列出flavors，镜像与网络，安全组
nova flavor-list
nova image-list
neutron net-list
nova secgroup-list- 创建实例(DEMO_NET_ID为上面列出的demo-net网络的ID)
nova boot --flavor m1.tiny --image cirros-0.3.4-x86_64 --nic net-id=DEMO_NET_ID --security-group default --key-name demo-key test1- 列出实例
nova list
+------------------------------------+---------------+--------+------------+-------------+----------------------+
|ID |Name | Status | Task State | Power State | Networks |
+-------------------------------------+--------------+--------+------------+-------------+----------------------+
|02caa2ca-d6e6-46fd-b4a9-e432bcde2e6a|test1 | ACTIVE | - | Running | demo-net=192.168.1.3 |
+------------------------------------+---------------+--------+------------+-------------+----------------------+- 通过浏览器访问实例(将url加载到浏览器中查看）
nova get-vnc-console test1 novnc
+-------+---------------------------------------------------------------------------------+
| Field | Value |
+-------+---------------------------------------------------------------------------------+
| type | novnc |
| url | http://controller:6080/vnc_auto.html?token=5eeccb47-525c-4918-ac2a-3ad1e9f1f493 |
+-------+---------------------------------------------------------------------------------+- 实例的用户名：cirros，密码：cubswin:)，没什么问题的话，在控制台中ping百度等外部网络是可以ping通的
注意：以前搭建的，可以运行，如果上面写的有一些问题，谢谢指出来。
时间： 2024-07-29 01:58:00