Ubuntu 16.04
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OpenStack Pike : インスタンスを起動する
2017/09/01
 
仮想マシンインスタンスを起動します。
[1] 仮想マシンインスタンスに割り当てるメモリ容量やストレージ容量等々の定義 (flavor) を作成し、インスタンスを作成して起動します。
# flavor 作成

root@dlp ~(keystone)#
openstack flavor create --id 0 --vcpus 1 --ram 2048 --disk 10 m1.small

+----------------------------+----------+
| Field                      | Value    |
+----------------------------+----------+
| OS-FLV-DISABLED:disabled   | False    |
| OS-FLV-EXT-DATA:ephemeral  | 0        |
| disk                       | 10       |
| id                         | 0        |
| name                       | m1.small |
| os-flavor-access:is_public | True     |
| properties                 |          |
| ram                        | 2048     |
| rxtx_factor                | 1.0      |
| swap                       |          |
| vcpus                      | 1        |
+----------------------------+----------+

root@dlp ~(keystone)#
openstack flavor list

+----+----------+------+------+-----------+-------+-----------+
| ID | Name     |  RAM | Disk | Ephemeral | VCPUs | Is Public |
+----+----------+------+------+-----------+-------+-----------+
| 0  | m1.small | 2048 |   10 |         0 |     1 | True      |
+----+----------+------+------+-----------+-------+-----------+

# 利用可能なイメージ

root@dlp ~(keystone)#
openstack image list

+--------------------------------------+------------+--------+
| ID                                   | Name       | Status |
+--------------------------------------+------------+--------+
| b8b5a1f9-914e-4adc-b368-82eb7f573bec | Ubuntu1604 | active |
+--------------------------------------+------------+--------+

# 利用可能なネットワーク

root@dlp ~(keystone)#
openstack network list

+--------------------------------+------------+--------------------------------+
| ID                             | Name       | Subnets                        |
+--------------------------------+------------+--------------------------------+
| 8da7f4bc-0bd2-4e9f-            | sharednet1 | ed6be86e-2fec-                 |
| bf65-c667c587eff4              |            | 498d-a250-b7243bd5ab69         |
+--------------------------------+------------+--------------------------------+

root@dlp ~(keystone)#
netID=`openstack network list | grep sharednet1 | awk '{ print $2 }'`

# インスタンス作成・起動

root@dlp ~(keystone)#
openstack server create --flavor m1.small --image Ubuntu1604 --security-group default --nic net-id=$netID Ubuntu_1604

+-------------------------------------+----------------------------------------+
| Field                               | Value                                  |
+-------------------------------------+----------------------------------------+
| OS-DCF:diskConfig                   | MANUAL                                 |
| OS-EXT-AZ:availability_zone         |                                        |
| OS-EXT-SRV-ATTR:host                | None                                   |
| OS-EXT-SRV-ATTR:hypervisor_hostname | None                                   |
| OS-EXT-SRV-ATTR:instance_name       |                                        |
| OS-EXT-STS:power_state              | NOSTATE                                |
| OS-EXT-STS:task_state               | scheduling                             |
| OS-EXT-STS:vm_state                 | building                               |
| OS-SRV-USG:launched_at              | None                                   |
| OS-SRV-USG:terminated_at            | None                                   |
| accessIPv4                          |                                        |
| accessIPv6                          |                                        |
| addresses                           |                                        |
| adminPass                           | Ch85WniiXr3h                           |
| config_drive                        |                                        |
| created                             | 2017-09-01T07:45:34Z                   |
| flavor                              | m1.small (0)                           |
| hostId                              |                                        |
| id                                  | 852edd8d-f0d3-4366-8c13-da1a9ea45362   |
| image                               | Ubuntu1604 (b8b5a1f9-914e-             |
|                                     | 4adc-b368-82eb7f573bec)                |
| key_name                            | None                                   |
| name                                | Ubuntu_1604                            |
| progress                            | 0                                      |
| project_id                          | 859896d22f074d16bc67fe7eef6f36db       |
| properties                          |                                        |
| security_groups                     | name='default'                         |
| status                              | BUILD                                  |
| updated                             | 2017-09-01T07:45:34Z                   |
| user_id                             | f73e3c2f9e7f4eb793a010f60d5b4674       |
| volumes_attached                    |                                        |
+-------------------------------------+----------------------------------------+

# 動作確認 (起動直後しばらくは [BUILD] ステータスとなっている)

root@dlp ~(keystone)#
openstack server list

+--------------------+-------------+--------+---------------------+------------+
| ID                 | Name        | Status | Networks            | Image Name |
+--------------------+-------------+--------+---------------------+------------+
| 852edd8d-f0d3-4366 | Ubuntu_1604 | BUILD  | sharednet1=10.0.0.2 | Ubuntu1604 |
| -8c13-da1a9ea45362 |             |        | 10                  |            |
+--------------------+-------------+--------+---------------------+------------+

# 正常に起動すると [ACTIVE] ステータスとなる

root@dlp ~(keystone)#
openstack server list

+--------------------+-------------+--------+---------------------+------------+
| ID                 | Name        | Status | Networks            | Image Name |
+--------------------+-------------+--------+---------------------+------------+
| 852edd8d-f0d3-4366 | Ubuntu_1604 | ACTIVE | sharednet1=10.0.0.2 | Ubuntu1604 |
| -8c13-da1a9ea45362 |             |        | 10                  |            |
+--------------------+-------------+--------+---------------------+------------+
[2] 起動した仮想マシンインスタンスに SSH 接続できるように、デフォルトセキュリティグループにポート許可の設定を追加します。
# ICMP 許可

root@dlp ~(keystone)#
openstack security group rule create --protocol icmp --ingress default

+-------------------+--------------------------------------+
| Field             | Value                                |
+-------------------+--------------------------------------+
| created_at        | 2017-09-01T05:17:52Z                 |
| description       |                                      |
| direction         | ingress                              |
| ether_type        | IPv4                                 |
| id                | 035a5407-7d7c-4630-bc9d-7d8d16cac16c |
| name              | None                                 |
| port_range_max    | None                                 |
| port_range_min    | None                                 |
| project_id        | 859896d22f074d16bc67fe7eef6f36db     |
| protocol          | icmp                                 |
| remote_group_id   | None                                 |
| remote_ip_prefix  | 0.0.0.0/0                            |
| revision_number   | 1                                    |
| security_group_id | be5df507-29eb-4deb-8b43-3ce576dd070e |
| updated_at        | 2017-09-01T05:17:52Z                 |
+-------------------+--------------------------------------+

# SSH 許可

root@dlp ~(keystone)#
openstack security group rule create --protocol tcp --dst-port 22:22 default

+-------------------+--------------------------------------+
| Field             | Value                                |
+-------------------+--------------------------------------+
| created_at        | 2017-09-01T05:18:07Z                 |
| description       |                                      |
| direction         | ingress                              |
| ether_type        | IPv4                                 |
| id                | 21c1dfa9-8705-4630-bc22-8c977dcb25ad |
| name              | None                                 |
| port_range_max    | 22                                   |
| port_range_min    | 22                                   |
| project_id        | 859896d22f074d16bc67fe7eef6f36db     |
| protocol          | tcp                                  |
| remote_group_id   | None                                 |
| remote_ip_prefix  | 0.0.0.0/0                            |
| revision_number   | 1                                    |
| security_group_id | be5df507-29eb-4deb-8b43-3ce576dd070e |
| updated_at        | 2017-09-01T05:18:07Z                 |
+-------------------+--------------------------------------+

root@dlp ~(keystone)#
openstack security group rule list

+------------+-------------+-----------+------------+-----------------------+----------------+
| ID         | IP Protocol | IP Range  | Port Range | Remote Security Group | Security Group |
+------------+-------------+-----------+------------+-----------------------+----------------+
| 035a5407-7 | icmp        | 0.0.0.0/0 |            | None                  | be5df507-29eb- |
| d7c-4630   |             |           |            |                       | 4deb-8b43-3ce5 |
| -bc9d-7d8d |             |           |            |                       | 76dd070e       |
| 16cac16c   |             |           |            |                       |                |
| 21c1dfa9-8 | tcp         | 0.0.0.0/0 | 22:22      | None                  | be5df507-29eb- |
| 705-4630-b |             |           |            |                       | 4deb-8b43-3ce5 |
| c22-8c977d |             |           |            |                       | 76dd070e       |
| cb25ad     |             |           |            |                       |                |
| 27fdafb0-f | None        | None      |            | be5df507-29eb-4deb-   | be5df507-29eb- |
| 4f6-4ddc-  |             |           |            | 8b43-3ce576dd070e     | 4deb-8b43-3ce5 |
| b31c-fdee8 |             |           |            |                       | 76dd070e       |
| 94fb48d    |             |           |            |                       |                |
| 3479a490-0 | None        | None      |            | be5df507-29eb-4deb-   | be5df507-29eb- |
| 766-4eb5   |             |           |            | 8b43-3ce576dd070e     | 4deb-8b43-3ce5 |
| -aa7e-34a2 |             |           |            |                       | 76dd070e       |
| 33c19aa1   |             |           |            |                       |                |
| 5f9ae2d4-1 | None        | None      |            | None                  | be5df507-29eb- |
| 366-46b5-9 |             |           |            |                       | 4deb-8b43-3ce5 |
| c51-2ec356 |             |           |            |                       | 76dd070e       |
| 8635ac     |             |           |            |                       |                |
| d8ba5c56-3 | None        | None      |            | None                  | be5df507-29eb- |
| 647-475a-8 |             |           |            |                       | 4deb-8b43-3ce5 |
| 375-5e202d |             |           |            |                       | 76dd070e       |
| 838333     |             |           |            |                       |                |
+------------+-------------+-----------+------------+-----------------------+----------------+
[3] 起動した仮想マシンインスタンスに SSH ログインします。
root@dlp ~(keystone)#
openstack server list

+--------------------+-------------+--------+---------------------+------------+
| ID                 | Name        | Status | Networks            | Image Name |
+--------------------+-------------+--------+---------------------+------------+
| 852edd8d-f0d3-4366 | Ubuntu_1604 | ACTIVE | sharednet1=10.0.0.2 | Ubuntu1604 |
| -8c13-da1a9ea45362 |             |        | 10                  |            |
+--------------------+-------------+--------+---------------------+------------+

# ping 応答が返ってくれば OK

root@dlp ~(keystone)#
ping 10.0.0.210 -c3

PING 10.0.0.210 (10.0.0.210) 56(84) bytes of data.
64 bytes from 10.0.0.210: icmp_seq=1 ttl=64 time=1.46 ms
64 bytes from 10.0.0.210: icmp_seq=2 ttl=64 time=0.661 ms
64 bytes from 10.0.0.210: icmp_seq=3 ttl=64 time=0.573 ms

--- 10.0.0.210 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 0.573/0.899/1.464/0.401 ms

# SSH ログイン

root@dlp ~(keystone)#
ssh ubuntu@10.0.0.210

The authenticity of host '10.0.0.210 (10.0.0.210)' can't be established.
ECDSA key fingerprint is SHA256:wFP0dngojZ8YTSEmWlq0dpIs/UfSveGbeS0wYyztqF0.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '10.0.0.210' (ECDSA) to the list of known hosts.
ubuntu@10.0.0.210's password:  # イメージ作成時に設定したパスワード 
Welcome to Ubuntu 16.04.3 LTS (GNU/Linux 4.4.0-93-generic x86_64)

 * Documentation:  https://help.ubuntu.com
 * Management:     https://landscape.canonical.com
 * Support:        https://ubuntu.com/advantage
Last login: Fri Sep  1 12:34:38 2017
ubuntu@ubuntu-1604:~$    
# ログインできた

[4] インターネットから取得した仮想マシンイメージを利用中でパスワードが不明な場合は、SSH 鍵を登録することでログイン可能です。 自身で作成したイメージの場合は、前もって仮想マシンイメージに [cloud-init] パッケージをインストールし、[cloud-init] サービスを有効にしておくことで、SSH 鍵でのログインが可能となります。ちなみに、cloud-init のデフォルト設定は [ubuntu] が SSH 接続ユーザーとなっています。
# キーペア作成

root@dlp ~(keystone)#
ssh-keygen -q -N ""

Enter file in which to save the key (/root/.ssh/id_rsa):
# 公開鍵登録

root@dlp ~(keystone)#
openstack keypair create --public-key ~/.ssh/id_rsa.pub mykey

+-------------+-------------------------------------------------+
| Field       | Value                                           |
+-------------+-------------------------------------------------+
| fingerprint | 7c:99:60:16:6e:79:a5:11:fc:71:f5:c2:77:8c:77:77 |
| name        | mykey                                           |
| user_id     | f73e3c2f9e7f4eb793a010f60d5b4674                |
+-------------+-------------------------------------------------+

root@dlp ~(keystone)#
openstack keypair list

+-------+-------------------------------------------------+
| Name  | Fingerprint                                     |
+-------+-------------------------------------------------+
| mykey | 7c:99:60:16:6e:79:a5:11:fc:71:f5:c2:77:8c:77:77 |
+-------+-------------------------------------------------+

# キーを指定してインスタンス作成・起動

root@dlp ~(keystone)#
openstack server create --flavor m1.small --image Ubuntu1604 --security-group default --nic net-id=$netID --key-name mykey Ubuntu_1604_3
root@dlp ~(keystone)#
openstack server list

+------------------+---------------+--------+------------------+------------+
| ID               | Name          | Status | Networks         | Image Name |
+------------------+---------------+--------+------------------+------------+
| 4d3ad582-e200-49 | Ubuntu_1604_3 | ACTIVE | sharednet1=10.0. | Ubuntu1604 |
| 24-a636-ea86f167 |               |        | 0.211            |            |
| b3bf             |               |        |                  |            |
+------------------+---------------+--------+------------------+------------+

# キーを指定してログイン

root@dlp ~(keystone)#
ssh -i mykey ubuntu@10.0.0.211
Welcome to Ubuntu 16.04.3 LTS (GNU/Linux 4.4.0-93-generic x86_64)

 * Documentation:  https://help.ubuntu.com
 * Management:     https://landscape.canonical.com
 * Support:        https://ubuntu.com/advantage
Last login: Fri Sep  1 12:34:38 2017
ubuntu@ubuntu-1604:~$    
# ログインできた
[5] 一旦作成して起動した仮想マシンインスタンスを停止/起動する場合は、以下のように start/stop コマンドで制御できます。
root@dlp ~(keystone)#
openstack server list

+--------------------+-------------+--------+---------------------+------------+
| ID                 | Name        | Status | Networks            | Image Name |
+--------------------+-------------+--------+---------------------+------------+
| 852edd8d-f0d3-4366 | Ubuntu_1604 | ACTIVE | sharednet1=10.0.0.2 | Ubuntu1604 |
| -8c13-da1a9ea45362 |             |        | 10                  |            |
+--------------------+-------------+--------+---------------------+------------+

# インスタンス停止

root@dlp ~(keystone)#
openstack server stop Ubuntu_1604

root@dlp ~(keystone)#
openstack server list

+--------------------+-------------+---------+---------------------+------------+
| ID                 | Name        | Status  | Networks            | Image Name |
+--------------------+-------------+---------+---------------------+------------+
| 852edd8d-f0d3-4366 | Ubuntu_1604 | SHUTOFF | sharednet1=10.0.0.2 | Ubuntu1604 |
| -8c13-da1a9ea45362 |             |         | 10                  |            |
+--------------------+-------------+---------+---------------------+------------+

# インスタンスを起動する

root@dlp ~(keystone)#
openstack server start Ubuntu_1604

root@dlp ~(keystone)#
openstack server list

+--------------------+-------------+--------+---------------------+------------+
| ID                 | Name        | Status | Networks            | Image Name |
+--------------------+-------------+--------+---------------------+------------+
| 852edd8d-f0d3-4366 | Ubuntu_1604 | ACTIVE | sharednet1=10.0.0.2 | Ubuntu1604 |
| -8c13-da1a9ea45362 |             |        | 10                  |            |
+--------------------+-------------+--------+---------------------+------------+
[6] VNC コンソールを取得して Web ブラウザでのアクセスも可能です。
root@dlp ~(keystone)#
openstack server list

+--------------------+-------------+--------+---------------------+------------+
| ID                 | Name        | Status | Networks            | Image Name |
+--------------------+-------------+--------+---------------------+------------+
| 852edd8d-f0d3-4366 | Ubuntu_1604 | ACTIVE | sharednet1=10.0.0.2 | Ubuntu1604 |
| -8c13-da1a9ea45362 |             |        | 10                  |            |
+--------------------+-------------+--------+---------------------+------------+

root@dlp ~(keystone)#
openstack console url show Ubuntu_1604

+-------+----------------------------------------------------------------------+
| Field | Value                                                                |
+-------+----------------------------------------------------------------------+
| type  | novnc                                                                |
| url   | http://10.0.0.30:6080/vnc_auto.html?token=6e4da98f-e773-4060-ba2b-   |
|       | 89f578083392                                                         |
+-------+----------------------------------------------------------------------+
[7] 上記コマンドで表示された URL にアクセスすると、インスタンスにアクセスして操作可能です。
 
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