OpenStack Newton : インスタンスを起動する2016/10/22 |
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仮想マシンインスタンスを起動します。
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| [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を指定して (flavor)、 インスタンスを作成して起動します。 |
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# 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 | +----+----------+------+------+-----------+-------+-----------+ # 登録されているイメージ [root@dlp ~(keystone)]# openstack image list +--------------------------------------+---------+--------+ | ID | Name | Status | +--------------------------------------+---------+--------+ | 255cfee5-ba9d-4f8d-8ef7-c65dbe65b8ee | CentOS7 | active | +--------------------------------------+---------+--------+ # インスタンス作成・起動 [root@dlp ~(keystone)]# openstack server create --flavor m1.small --image CentOS7 --security-group default CentOS_7
+--------------------------------------+------------------------------------------------+
| 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 | mu5N6CUkNXBg |
| config_drive | |
| created | 2016-10-22T14:02:39Z |
| flavor | m1.small (0) |
| hostId | |
| id | 4b80dce6-f3eb-4591-b924-37c719042c4e |
| image | CentOS7 (255cfee5-ba9d-4f8d-8ef7-c65dbe65b8ee) |
| key_name | None |
| name | CentOS_7 |
| os-extended-volumes:volumes_attached | [] |
| progress | 0 |
| project_id | 150e205a8791426e8028a94699fb8848 |
| properties | |
| security_groups | [{u'name': u'default'}] |
| status | BUILD |
| updated | 2016-10-22T14:02:40Z |
| user_id | 0a28ee66b05f4c7b9709f316c5109e0a |
+--------------------------------------+------------------------------------------------+
# 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 | +-----------+----------+--------+--------------------+------------+ | 4b80dce6- | CentOS_7 | BUILD | network01=10.1.0.2 | CentOS7 | +-----------+----------+--------+--------------------+------------+ |
| [2] | 起動した仮想マシンインスタンスにログインできるか確認します。 |
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# 起動後しばらくすると以下のように「ACTIVE」ステータスとなる [root@dlp ~(keystone)]# openstack server list +-----------+----------+--------+--------------------+------------+ | ID | Name | Status | Networks | Image Name | +-----------+----------+--------+--------------------+------------+ | 4b80dce6- | CentOS_7 | ACTIVE | network01=10.1.0.2 | CentOS7 | +-----------+----------+--------+--------------------+------------+ # 以下のように応答が返ってくればOK [root@dlp ~(keystone)]# ping 10.1.0.2 PING 10.1.0.2 (10.1.0.2) 56(84) bytes of data. 64 bytes from 10.1.0.2: icmp_seq=1 ttl=64 time=1.28 ms 64 bytes from 10.1.0.2: icmp_seq=2 ttl=64 time=0.264 ms --- 10.1.0.2 ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1001ms rtt min/avg/max/mdev = 0.264/0.776/1.288/0.512 ms # SSH でログイン [root@dlp ~(keystone)]# ssh 10.1.0.2 The authenticity of host '10.1.0.2 (10.1.0.2)' can't be established. ECDSA key fingerprint is 11:e4:76:69:b9:e4:a1:63:79:be:d3:77:8d:76:63:51. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added '10.1.0.2' (ECDSA) to the list of known hosts. root@10.1.0.2's password: # インストール時に設定した root パスワード Last login: Sat Oct 22 16:10:57 2016[root@centos-7 ~]# # ログインできた |
| [3] | 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。 |
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# キーペア作成 [root@dlp ~(keystone)]# ssh-keygen -q -N "" # 公開鍵登録 [root@dlp ~(keystone)]# openstack keypair create --public-key ~/.ssh/id_rsa.pub mykey +-------------+-------------------------------------------------+ | Field | Value | +-------------+-------------------------------------------------+ | fingerprint | ba:3b:60:3d:d5:d2:92:0c:6f:d6:1d:85:d8:ff:83:a7 | | name | mykey | | user_id | 0a28ee66b05f4c7b9709f316c5109e0a | +-------------+-------------------------------------------------+[root@dlp ~(keystone)]# openstack keypair list +-------+-------------------------------------------------+ | Name | Fingerprint | +-------+-------------------------------------------------+ | mykey | ba:3b:60:3d:d5:d2:92:0c:6f:d6:1d:85:d8:ff:83:a7 | +-------+-------------------------------------------------+ # 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 CentOS7 --security-group default --key-name mykey CentOS_7
openstack server list +-----------+----------+--------+--------------------+------------+ | ID | Name | Status | Networks | Image Name | +-----------+----------+--------+--------------------+------------+ | ade80a2d- | CentOS_7 | ACTIVE | network01=10.1.0.3 | CentOS7 | +-----------+----------+--------+--------------------+------------+ # 起動後はキーを指定してログイン [root@dlp ~(keystone)]# ssh -i mykey 10.1.0.3
# ログインできた |
| [4] | 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。 |
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[root@dlp ~(keystone)]# openstack server list +-----------+----------+--------+--------------------+------------+ | ID | Name | Status | Networks | Image Name | +-----------+----------+--------+--------------------+------------+ | 4b80dce6- | CentOS_7 | ACTIVE | network01=10.1.0.2 | CentOS7 | +-----------+----------+--------+--------------------+------------+ # インスタンス停止 [root@dlp ~(keystone)]# openstack server stop CentOS_7 [root@dlp ~(keystone)]# openstack server list +-----------+----------+---------+--------------------+------------+ | ID | Name | Status | Networks | Image Name | +-----------+----------+---------+--------------------+------------+ | 4b80dce6- | CentOS_7 | SHUTOFF | network01=10.1.0.2 | CentOS7 | +-----------+----------+---------+--------------------+------------+ # インスタンスを再度起動する [root@dlp ~(keystone)]# openstack server start CentOS_7 [root@dlp ~(keystone)]# openstack server list +-----------+----------+--------+--------------------+------------+ | ID | Name | Status | Networks | Image Name | +-----------+----------+--------+--------------------+------------+ | 4b80dce6- | CentOS_7 | ACTIVE | network01=10.1.0.2 | CentOS7 | +-----------+----------+--------+--------------------+------------+ |
| [5] | 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。 |
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[root@dlp ~(keystone)]# openstack server list +-----------+----------+--------+--------------------+------------+ | ID | Name | Status | Networks | Image Name | +-----------+----------+--------+--------------------+------------+ | 4b80dce6- | CentOS_7 | ACTIVE | network01=10.1.0.2 | CentOS7 | +-----------+----------+--------+--------------------+------------+[root@dlp ~(keystone)]# openstack console url show CentOS_7 +-------+---------------------------------------------------------------------------------+ | Field | Value | +-------+---------------------------------------------------------------------------------+ | type | novnc | | url | http://10.0.0.30:6080/vnc_auto.html?token=d6723851-dfde-4c8a-9b9f-0aa5c2b6916b | +-------+---------------------------------------------------------------------------------+ |
| [6] | 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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