OpenStack Pike : インスタンスを起動する2017/09/03 |
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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の定義 (flavor) を作成し、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 | +----+----------+------+------+-----------+-------+-----------+ # 利用可能なイメージ [root@dlp ~(keystone)]# openstack image list +--------------------------------------+---------+--------+ | ID | Name | Status | +--------------------------------------+---------+--------+ | 68132026-60aa-4afe-8976-398b0482cfd6 | CentOS7 | active | +--------------------------------------+---------+--------+ # 利用可能なネットワーク [root@dlp ~(keystone)]# openstack network list +--------------------------------------+------------+--------------------------------------+ | ID | Name | Subnets | +--------------------------------------+------------+--------------------------------------+ | fdb1468f-b479-4cbc-b82e-582719536cbc | sharednet1 | bd84f1db-6f15-4994-9f1c-54bbe9c79152 | +--------------------------------------+------------+--------------------------------------+
[root@dlp ~(keystone)]#
netID=`openstack network list | grep sharednet1 | awk '{ print $2 }'` # キーペア作成 [root@dlp ~(keystone)]# ssh-keygen -q -N "" Enter file in which to save the key (/root/.ssh/id_rsa): # 公開鍵登録 [root@dlp ~(keystone)]# openstack keypair create --public-key ~/.ssh/id_rsa.pub mykey +-------------+-------------------------------------------------+ | Field | Value | +-------------+-------------------------------------------------+ | fingerprint | b3:d6:64:1a:6f:4e:14:63:88:76:15:a4:bd:af:a6:34 | | name | mykey | | user_id | 09d8dfa20e0f40eaae448d369943b195 | +-------------+-------------------------------------------------+[root@dlp ~(keystone)]# openstack keypair list +-------+-------------------------------------------------+ | Name | Fingerprint | +-------+-------------------------------------------------+ | mykey | b3:d6:64:1a:6f:4e:14:63:88:76:15:a4:bd:af:a6:34 | +-------+-------------------------------------------------+ # キーを指定してインスタンス作成・起動 [root@dlp ~(keystone)]# openstack server create --flavor m1.small --image CentOS7 --security-group default --nic net-id=$netID --key-name mykey 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 | JQF2YtHUDhh3 | | config_drive | | | created | 2017-09-04T08:19:03Z | | flavor | m1.small (0) | | hostId | | | id | 84ebd05f-971e-4d1a-9dd3-3c43a4ddf3f2 | | image | CentOS7 (68132026-60aa-4afe-8976-398b0482cfd6) | | key_name | mykey | | name | CentOS_7 | | progress | 0 | | project_id | 09158bee8c6441519bf3a3743d936566 | | properties | | | security_groups | name='b8b67ada-379b-4c5f-8ac8-899e943dbbe0' | | status | BUILD | | updated | 2017-09-04T08:19:03Z | | user_id | 09d8dfa20e0f40eaae448d369943b195 | | 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 | Flavor | +--------------------------------------+----------+--------+-----------------------+---------+----------+ | 84ebd05f-971e-4d1a-9dd3-3c43a4ddf3f2 | CentOS_7 | BUILD | sharednet1=10.0.0.202 | CentOS7 | m1.small | +--------------------------------------+----------+--------+-----------------------+---------+----------+ # 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 | Flavor | +--------------------------------------+----------+--------+-----------------------+---------+----------+ | 84ebd05f-971e-4d1a-9dd3-3c43a4ddf3f2 | CentOS_7 | ACTIVE | sharednet1=10.0.0.202 | CentOS7 | m1.small | +--------------------------------------+----------+--------+-----------------------+---------+----------+ |
| [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。 |
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# ICMP 許可 [root@dlp ~(keystone)]# openstack security group rule create --protocol icmp --ingress default +-------------------+--------------------------------------+ | Field | Value | +-------------------+--------------------------------------+ | created_at | 2017-09-04T08:20:44Z | | description | | | direction | ingress | | ether_type | IPv4 | | id | 6ef8160e-fd04-45cd-a569-93f068d0635f | | name | None | | port_range_max | None | | port_range_min | None | | project_id | 09158bee8c6441519bf3a3743d936566 | | protocol | icmp | | remote_group_id | None | | remote_ip_prefix | 0.0.0.0/0 | | revision_number | 0 | | security_group_id | b8b67ada-379b-4c5f-8ac8-899e943dbbe0 | | updated_at | 2017-09-04T08:20:44Z | +-------------------+--------------------------------------+ # SSH 許可 [root@dlp ~(keystone)]# openstack security group rule create --protocol tcp --dst-port 22:22 default +-------------------+--------------------------------------+ | Field | Value | +-------------------+--------------------------------------+ | created_at | 2017-09-04T08:21:04Z | | description | | | direction | ingress | | ether_type | IPv4 | | id | 3ec427f4-9f9f-4ece-aced-1b4b2a4e14a7 | | name | None | | port_range_max | 22 | | port_range_min | 22 | | project_id | 09158bee8c6441519bf3a3743d936566 | | protocol | tcp | | remote_group_id | None | | remote_ip_prefix | 0.0.0.0/0 | | revision_number | 0 | | security_group_id | b8b67ada-379b-4c5f-8ac8-899e943dbbe0 | | updated_at | 2017-09-04T08:21:04Z | +-------------------+--------------------------------------+[root@dlp ~(keystone)]# openstack security group rule list +--------------+-------------+-----------+------------+--------------------------------------+-------------------+ | ID | IP Protocol | IP Range | Port Range | Remote Security Group | Security Group | +--------------+-------------+-----------+------------+--------------------------------------+-------------------+ | 04544fda-... | None | None | | None | b8b67ada-379b-... | | 0c1f30a4-... | None | None | | b8b67ada-379b-4c5f-8ac8-899e943dbbe0 | b8b67ada-379b-... | | 2c70e734-... | None | None | | None | b8b67ada-379b-... | | 3ec427f4-... | tcp | 0.0.0.0/0 | 22:22 | None | b8b67ada-379b-... | | 6ef8160e-... | icmp | 0.0.0.0/0 | | None | b8b67ada-379b-... | | a3745804-... | None | None | | b8b67ada-379b-4c5f-8ac8-899e943dbbe0 | b8b67ada-379b-... | +--------------+-------------+-----------+------------+--------------------------------------+-------------------+ |
| [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。 |
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[root@dlp ~(keystone)]# openstack server list +--------------------------------------+----------+--------+-----------------------+---------+----------+ | ID | Name | Status | Networks | Image | Flavor | +--------------------------------------+----------+--------+-----------------------+---------+----------+ | 84ebd05f-971e-4d1a-9dd3-3c43a4ddf3f2 | CentOS_7 | ACTIVE | sharednet1=10.0.0.202 | CentOS7 | m1.small | +--------------------------------------+----------+--------+-----------------------+---------+----------+ # ping 応答が返ってくれば OK [root@dlp ~(keystone)]# ping 10.0.0.202 -c3 PING 10.0.0.202 (10.0.0.202) 56(84) bytes of data. 64 bytes from 10.0.0.202: icmp_seq=1 ttl=64 time=3.13 ms 64 bytes from 10.0.0.202: icmp_seq=2 ttl=64 time=0.833 ms 64 bytes from 10.0.0.202: icmp_seq=3 ttl=64 time=0.831 ms --- 10.0.0.202 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2003ms rtt min/avg/max/mdev = 0.831/1.600/3.136/1.086 ms # 作成したSSHキーを指定してログイン [root@dlp ~(keystone)]# ssh -i mykey centos@10.0.0.202
Warning: Identity file mykey not accessible: No such file or directory.
The authenticity of host '10.0.0.202 (10.0.0.202)' can't be established.
ECDSA key fingerprint is 94:11:48:02:fa:62:ff:9c:c4:75:8f:eb:16:62:a9:ff.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '10.0.0.202' (ECDSA) to the list of known hosts.
[centos@centos-7 ~]$ # 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 | Flavor | +--------------------------------------+----------+--------+-----------------------+---------+----------+ | 84ebd05f-971e-4d1a-9dd3-3c43a4ddf3f2 | CentOS_7 | ACTIVE | sharednet1=10.0.0.202 | CentOS7 | m1.small | +--------------------------------------+----------+--------+-----------------------+---------+----------+ # 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 | Flavor | +--------------------------------------+----------+---------+-----------------------+---------+----------+ | 84ebd05f-971e-4d1a-9dd3-3c43a4ddf3f2 | CentOS_7 | SHUTOFF | sharednet1=10.0.0.202 | CentOS7 | m1.small | +--------------------------------------+----------+---------+-----------------------+---------+----------+ # インスタンスを起動する [root@dlp ~(keystone)]# openstack server start CentOS_7 [root@dlp ~(keystone)]# openstack server list +--------------------------------------+----------+--------+-----------------------+---------+----------+ | ID | Name | Status | Networks | Image | Flavor | +--------------------------------------+----------+--------+-----------------------+---------+----------+ | 84ebd05f-971e-4d1a-9dd3-3c43a4ddf3f2 | CentOS_7 | ACTIVE | sharednet1=10.0.0.202 | CentOS7 | m1.small | +--------------------------------------+----------+--------+-----------------------+---------+----------+ |
| [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 | Flavor | +-----------+----------+--------+-----------------------+---------+----------+ | 84ebd0... | CentOS_7 | ACTIVE | sharednet1=10.0.0.202 | CentOS7 | m1.small | +-----------+----------+--------+-----------------------+---------+----------+[root@dlp ~(keystone)]# openstack console url show CentOS_7 +-------+-----------------------------------------------+ | Field | Value | +-------+-----------------------------------------------+ | type | novnc | | url | http://10.0.0.30:6080/vnc_auto.html?token=... | +-------+-----------------------------------------------+ |
| [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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