openstack部署（五）-實例介紹
運行實例 - 建立公網網絡【控制節點】html
執行初始化腳本 瀏覽器
source admin-openrc.sh安全
建立網絡bash
neutron net-create public --shared --provider:physical_network public \網絡
--provider:network_type flatssh
[root@controller ~]# source admin-openrc.sh [root@controller ~]# neutron net-create public --shared --provider:physical_network public \ > --provider:network_type flat Created a new network: +---------------------------+--------------------------------------+ | Field | Value | +---------------------------+--------------------------------------+ | admin_state_up | True | | id | 4981837b-46f6-41b3-8c27-0175d4a60069 | | mtu | 0 | | name | public | | port_security_enabled | True | | provider:network_type | flat | | provider:physical_network | public | | provider:segmentation_id | | | router:external | False | | shared | True | | status | ACTIVE | | subnets | | | tenant_id | 5c007739446b44eebab043e2573021b1 | +---------------------------+--------------------------------------+ [root@controller ~]#
建立子網tcp
neutron subnet-create public 192.168.100.0/24 --name public \ide
--allocation-pool start=192.168.100.100,end=192.168.100.200 \oop
--dns-nameserver 8.8.8.8 --gateway 192.168.100.1測試
[root@controller ~]# neutron subnet-create public 192.168.100.0/24 --name public \
> --allocation-pool start=192.168.100.100,end=192.168.100.200 \
> --dns-nameserver 8.8.8.8 --gateway 192.168.100.1
Created a new subnet:
+-------------------+--------------------------------------------------------+
| Field | Value |
+-------------------+--------------------------------------------------------+
| allocation_pools | {"start": "192.168.100.100", "end": "192.168.100.200"} |
| cidr | 192.168.100.0/24 |
| dns_nameservers | 8.8.8.8 |
| enable_dhcp | True |
| gateway_ip | 192.168.100.1 |
| host_routes | |
| id | 9c621051-7d2b-441f-a7e6-c1de6a68abdb |
| ip_version | 4 |
| ipv6_address_mode | |
| ipv6_ra_mode | |
| name | public |
| network_id | 4981837b-46f6-41b3-8c27-0175d4a60069 |
| subnetpool_id | |
| tenant_id | 5c007739446b44eebab043e2573021b1 |
+-------------------+--------------------------------------------------------+
[root@controller ~]#
說明：這裏的公網，其實是虛擬機用的那個網段，咱們暫時把它做爲公網，在這裏由於涉及到dhcp服務，會和局域網內的路由器上的dhcp服務產生衝突，因此須要先把路由器上的dhcp服務關掉。
運行實例 - 建立key 【控制節點】
執行初始化腳本
source demo-openrc.sh
生成密鑰
ssh-keygen -q -N ""
nova keypair-add --pub-key ~/.ssh/id_rsa.pub mykey
[root@controller ~]# ssh-keygen -q -N "" Enter file in which to save the key (/root/.ssh/id_rsa): [root@controller ~]# nova keypair-add --pub-key ~/.ssh/id_rsa.pub mykey [root@controller ~]#
驗證密鑰
nova keypair-list
增長安全組規則
nova secgroup-add-rule default icmp -1 -1 0.0.0.0/0
容許ssh 訪問
nova secgroup-add-rule default tcp 22 22 0.0.0.0/0
[root@controller ~]# nova secgroup-add-rule default icmp -1 -1 0.0.0.0/0 +-------------+-----------+---------+-----------+--------------+ | IP Protocol | From Port | To Port | IP Range | Source Group | +-------------+-----------+---------+-----------+--------------+ | icmp | -1 | -1 | 0.0.0.0/0 | | +-------------+-----------+---------+-----------+--------------+ [root@controller ~]# nova secgroup-add-rule default tcp 22 22 0.0.0.0/0 +-------------+-----------+---------+-----------+--------------+ | IP Protocol | From Port | To Port | IP Range | Source Group | +-------------+-----------+---------+-----------+--------------+ | tcp | 22 | 22 | 0.0.0.0/0 | | +-------------+-----------+---------+-----------+--------------+ [root@controller ~]#
運行實例 - 配置實例選項【控制節點】
執行初始化腳本
source demo-openrc.sh
列出實例類型
nova flavor-list
[root@controller ~]# source demo-openrc.sh [root@controller ~]# nova flavor-list +----+-----------+-----------+------+-----------+------+-------+-------------+-----------+ | ID | Name | Memory_MB | Disk | Ephemeral | Swap | VCPUs | RXTX_Factor | Is_Public | +----+-----------+-----------+------+-----------+------+-------+-------------+-----------+ | 1 | m1.tiny | 512 | 1 | 0 | | 1 | 1.0 | True | | 2 | m1.small | 2048 | 20 | 0 | | 1 | 1.0 | True | | 3 | m1.medium | 4096 | 40 | 0 | | 2 | 1.0 | True | | 4 | m1.large | 8192 | 80 | 0 | | 4 | 1.0 | True | | 5 | m1.xlarge | 16384 | 160 | 0 | | 8 | 1.0 | True | +----+-----------+-----------+------+-----------+------+-------+-------------+-----------+ [root@controller ~]#
列出全部鏡像
nova p_w_picpath-list
[root@controller ~]# nova p_w_picpath-list +--------------------------------------+--------+--------+--------+ | ID | Name | Status | Server | +--------------------------------------+--------+--------+--------+ | 6b44feb1-141c-4177-ba54-22bb927db70f | cirros | ACTIVE | | +--------------------------------------+--------+--------+--------+ [root@controller ~]#
列出可用網絡
neutron net-list
[root@controller ~]# neutron net-list +--------------------------------------+--------+-------------------------------------------------------+ | id | name | subnets | +--------------------------------------+--------+-------------------------------------------------------+ | 4981837b-46f6-41b3-8c27-0175d4a60069 | public | 9c621051-7d2b-441f-a7e6-c1de6a68abdb 192.168.100.0/24 | +--------------------------------------+--------+-------------------------------------------------------+ [root@controller ~]#
列出安全組
nova secgroup-list
[root@controller ~]# nova secgroup-list +--------------------------------------+---------+------------------------+ | Id | Name | Description | +--------------------------------------+---------+------------------------+ | d34628ae-49e0-48bd-ac2a-70dc5bfd788a | default | Default security group | +--------------------------------------+---------+------------------------+ [root@controller ~]#
運行實例
nova boot --flavor m1.tiny --p_w_picpath cirros --nic net-id=PUBLIC_NET_ID\
--security-group default --key-name mykey public-instance
說明：這裏的PUBLIC_NET_ID須要替換爲可用網絡裏面public網絡的id；public-instance能夠自定義名字
[root@controller ~]# nova boot --flavor m1.tiny --p_w_picpath cirros --nic net-id=4981837b-46f6-41b3-8c27-0175d4a60069 --security-group default --key-name mykey vps_test
+--------------------------------------+-----------------------------------------------+
| Property | Value |
+--------------------------------------+-----------------------------------------------+
| OS-DCF:diskConfig | MANUAL |
| OS-EXT-AZ:availability_zone | |
| OS-EXT-STS:power_state | 0 |
| OS-EXT-STS:task_state | scheduling |
| OS-EXT-STS:vm_state | building |
| OS-SRV-USG:launched_at | - |
| OS-SRV-USG:terminated_at | - |
| accessIPv4 | |
| accessIPv6 | |
| adminPass | WV5FSdjVk2QM |
| config_drive | |
| created | 2016-09-24T15:53:30Z |
| flavor | m1.tiny (1) |
| hostId | |
| id | f5c2d431-2b7a-4e7a-96e1-b97b936e9226 |
| p_w_picpath | cirros (6b44feb1-141c-4177-ba54-22bb927db70f) |
| key_name | mykey |
| metadata | {} |
| name | vps_test |
| os-extended-volumes:volumes_attached | [] |
| progress | 0 |
| security_groups | default |
| status | BUILD |
| tenant_id | ab6fd0b354444bf58db83cb998fd96dd |
| updated | 2016-09-24T15:53:31Z |
| user_id | 7b33d224785141a3a0539f0c89e02be9 |
+--------------------------------------+-----------------------------------------------+
[root@controller ~]#
檢測實例狀態
nova list
[root@controller ~]# nova list +--------------------------------------+----------+--------+------------+-------------+------------------------+ | ID | Name | Status | Task State | Power State | Networks | +--------------------------------------+----------+--------+------------+-------------+------------------------+ | f5c2d431-2b7a-4e7a-96e1-b97b936e9226 | vps_test | ACTIVE | - | Running | public=192.168.100.101 | +--------------------------------------+----------+--------+------------+-------------+------------------------+ [root@controller ~]#
實例ip地址爲192.168.100.101
運行實例 - 鏈接實例【控制節點】
使用vnc鏈接（使用下面命令能夠列出vnc的鏈接）
nova get-vnc-console vps_test novnc
[root@controller ~]# nova get-vnc-console vps_test novnc +-------+---------------------------------------------------------------------------------+ | Type | Url | +-------+---------------------------------------------------------------------------------+ | novnc | http://controller:6080/vnc_auto.html?token=065054df-021a-4cd1-940f-c23ecb51d7bc | +-------+---------------------------------------------------------------------------------+ [root@controller ~]# 複製連接地址到瀏覽器中打開，未作主機解析的主機名換位ip地址
驗證網絡（在實例裏面）
ping -c 2 192.168.100.1
ping -c2 www.baidu.com測試網絡連通性
遠程鏈接實例
首先用nova list 查看實例的ip（爲192.168.100.101）
驗證ip
ping -c4 192.168.100.101
遠程ssh登陸 ssh cirros@192.168.100.101 密碼：cubswin:)
[root@controller ~]# ssh cirros@192.168.100.101 The authenticity of host '192.168.100.101 (192.168.100.101)' can't be established. RSA key fingerprint is fd:ca:cf:e7:7f:f5:93:da:16:e8:ac:94:a9:2e:61:68. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added '192.168.100.101' (RSA) to the list of known hosts. cirros@192.168.100.101's password: $ ifconfig eth0 Link encap:Ethernet HWaddr FA:16:3E:F8:87:59 inet addr:192.168.100.101 Bcast:192.168.100.255 Mask:255.255.255.0 inet6 addr: fe80::f816:3eff:fef8:8759/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:132 errors:0 dropped:0 overruns:0 frame:0 TX packets:154 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:16853 (16.4 KiB) TX bytes:16169 (15.7 KiB) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) $
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