OpenStack Liberty : インスタンスを起動する2015/11/15 |
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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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# デフォルトの flavor 一覧 [root@dlp ~(keystone)]# 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 | +----+-----------+-----------+------+-----------+------+-------+-------------+-----------+ # 登録されているイメージ [root@dlp ~(keystone)]# nova image-list +--------------------------------------+---------+--------+--------+ | ID | Name | Status | Server | +--------------------------------------+---------+--------+--------+ | 34beed31-2971-43f0-9c5a-d39d3df1d501 | CentOS7 | ACTIVE | | +--------------------------------------+---------+--------+--------+ # インスタンス作成・起動 [root@dlp ~(keystone)]# nova boot --flavor 2 --image CentOS7 --security_group default CentOS_7
+--------------------------------------+------------------------------------------------+
| Property | Value |
+--------------------------------------+------------------------------------------------+
| OS-DCF:diskConfig | MANUAL |
| OS-EXT-AZ:availability_zone | |
| OS-EXT-SRV-ATTR:host | - |
| OS-EXT-SRV-ATTR:hypervisor_hostname | - |
| OS-EXT-SRV-ATTR:instance_name | instance-00000001 |
| 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 | 53htaThSqWxK |
| config_drive | |
| created | 2015-11-14T12:19:53Z |
| flavor | m1.small (2) |
| hostId | |
| id | 7ff32145-c80a-4384-a0cb-0160e3482e65 |
| image | CentOS7 (34beed31-2971-43f0-9c5a-d39d3df1d501) |
| key_name | - |
| metadata | {} |
| name | CentOS_7 |
| os-extended-volumes:volumes_attached | [] |
| progress | 0 |
| security_groups | default |
| status | BUILD |
| tenant_id | d625e02b3d394afbad250def2f88fefa |
| updated | 2015-11-14T12:19:53Z |
| user_id | b4c316b93a464f8ea46b01bd01a52003 |
+--------------------------------------+------------------------------------------------+
# 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)]# nova list +-----------+----------+--------+------------+-------------+--------------------+ | ID | Name | Status | Task State | Power State | Networks | +-----------+----------+--------+------------+-------------+--------------------+ | 7ff32145- | CentOS_7 | BUILD | spawning | NOSTATE | network01=10.1.0.2 | +-----------+----------+--------+------------+-------------+--------------------+ |
| [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)]# nova list +-----------+----------+--------+------------+-------------+--------------------+ | ID | Name | Status | Task State | Power State | Networks | +-----------+----------+--------+------------+-------------+--------------------+ | 7ff32145- | CentOS_7 | ACTIVE | - | Running | network01=10.1.0.2 | +-----------+----------+--------+------------+-------------+--------------------+ # 以下のように応答が返ってくればOK [root@dlp ~(keystone)]# ping 10.1.0.2 [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=1.12 ms 64 bytes from 10.1.0.2: icmp_seq=2 ttl=64 time=0.628 ms --- 10.1.0.2 ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1001ms rtt min/avg/max/mdev = 0.628/0.878/1.128/0.250 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 03:3d:a6:2c:21:0d:03:cc:de:29:d1:c0:3b:4d:4c:e7. 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 Nov 14 21:10:58 2015 [root@centos-7 ~]# # ログインできた |
| [3] | 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 nova コマンドで制御できます。 |
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[root@dlp ~(keystone)]# nova list +-----------+----------+--------+------------+-------------+--------------------+ | ID | Name | Status | Task State | Power State | Networks | +-----------+----------+--------+------------+-------------+--------------------+ | 7ff32145- | CentOS_7 | ACTIVE | - | Running | network01=10.1.0.2 | +-----------+----------+--------+------------+-------------+--------------------+ # インスタンス停止 [root@dlp ~(keystone)]# nova stop CentOS_7 Request to stop server CentOS_7 has been accepted. [root@dlp ~(keystone)]# nova list +-----------+----------+---------+------------+-------------+--------------------+ | ID | Name | Status | Task State | Power State | Networks | +-----------+----------+---------+------------+-------------+--------------------+ | 7ff32145- | CentOS_7 | SHUTOFF | - | Shutdown | network01=10.1.0.2 | +-----------+----------+---------+------------+-------------+--------------------+ # インスタンスを再度起動する [root@dlp ~(keystone)]# nova start CentOS_7 Request to start server CentOS_7 has been accepted. [root@dlp ~(keystone)]# nova list +-----------+----------+--------+------------+-------------+--------------------+ | ID | Name | Status | Task State | Power State | Networks | +-----------+----------+--------+------------+-------------+--------------------+ | 7ff32145- | CentOS_7 | ACTIVE | - | Running | network01=10.1.0.2 | +-----------+----------+--------+------------+-------------+--------------------+ |
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