OpenStack Juno : Start Instances2015/06/05 |
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Create and Start Virtual Machine Instance.
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| [1] | Specify the flavor (memory or disk) and create an instance and boot it. |
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# default flavor list [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 | +----+-----------+-----------+------+-----------+------+-------+-------------+-----------+ # show the list of virtual images [root@dlp ~(keystone)]# nova image-list +--------------------------------------+----------+--------+--------+ | ID | Name | Status | Server | +--------------------------------------+----------+--------+--------+ | de47027d-2a2a-48e1-b403-0c0c185e78f9 | Fedora22 | ACTIVE | | +--------------------------------------+----------+--------+--------+ # create and boot an instance [root@dlp ~(keystone)]# nova boot --flavor 2 --image Fedora22 --security_group default Fedora_22
+--------------------------------------+-------------------------------------------------+
| Property | Value |
+--------------------------------------+-------------------------------------------------+
| OS-DCF:diskConfig | MANUAL |
| OS-EXT-AZ:availability_zone | nova |
| 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 | YZcihbeER5zw |
| config_drive | |
| created | 2015-06-05T13:53:59Z |
| flavor | m1.small (2) |
| hostId | |
| id | 2934f471-5d30-4ce8-953c-7dc8e2ee93de |
| image | Fedora22 (de47027d-2a2a-48e1-b403-0c0c185e78f9) |
| key_name | - |
| metadata | {} |
| name | Fedora_22 |
| os-extended-volumes:volumes_attached | [] |
| progress | 0 |
| security_groups | default |
| status | BUILD |
| tenant_id | a521391a3fff4634ab11a18d06772ded |
| updated | 2015-06-05T13:53:59Z |
| user_id | 02144a8abeb54624b70b3d03be576ea7 |
+--------------------------------------+-------------------------------------------------+
# show status [root@dlp ~(keystone)]# nova list +-----------+-----------+--------+------------+-------------+--------------------+ | ID | Name | Status | Task State | Power State | Networks | +-----------+-----------+--------+------------+-------------+--------------------+ | 2934f471- | Fedora_22 | BUILD | spawning | NOSTATE | network01=10.1.0.2 | +-----------+-----------+--------+------------+-------------+--------------------+ |
| [2] | Login to the Instance just booted. |
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# after few minutes later, the Status turns "ACTIVE" like follows [root@dlp ~(keystone)]# nova list +-----------+-----------+--------+------------+-------------+--------------------+ | ID | Name | Status | Task State | Power State | Networks | +-----------+-----------+--------+------------+-------------+--------------------+ | 2934f471- | Fedora_22 | ACTIVE | - | Running | network01=10.1.0.2 | +-----------+-----------+--------+------------+-------------+--------------------+ # it's OK if ICMP answer replys like follows [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=0.914 ms 64 bytes from 10.1.0.2: icmp_seq=2 ttl=64 time=0.350 ms ^C --- 10.1.0.2 ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1001ms rtt min/avg/max/mdev = 0.350/0.632/0.914/0.282 ms # login with SSH [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 8d:e0:58:4b:6e:e1:4e:f2:fc:e9:42:7d:2f:5d:c0:d0. 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: # root password Last login: Fri Jun 5 22:30:16 2015 [root@fedora-22 ~]# # just logined normally |
| [3] | If you'd like to stop an instance, it's also possible to control with nova command like follows. |
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[root@dlp ~(keystone)]# nova list +-----------+-----------+--------+------------+-------------+--------------------+ | ID | Name | Status | Task State | Power State | Networks | +-----------+-----------+--------+------------+-------------+--------------------+ | 2934f471- | Fedora_22 | ACTIVE | - | Running | network01=10.1.0.2 | +-----------+-----------+--------+------------+-------------+--------------------+ # stop instance [root@dlp ~(keystone)]# nova stop Fedora_22 [root@dlp ~(keystone)]# nova list +-----------+-----------+---------+------------+-------------+--------------------+ | ID | Name | Status | Task State | Power State | Networks | +-----------+-----------+---------+------------+-------------+--------------------+ | 2934f471- | Fedora_22 | SHUTOFF | - | Shutdown | network01=10.1.0.2 | +-----------+-----------+---------+------------+-------------+--------------------+ # start instance [root@dlp ~(keystone)]# nova start Fedora_22 [root@dlp ~(keystone)]# nova list +-----------+-----------+--------+------------+-------------+--------------------+ | ID | Name | Status | Task State | Power State | Networks | +-----------+-----------+--------+------------+-------------+--------------------+ | 2934f471- | Fedora_22 | ACTIVE | - | Running | network01=10.1.0.2 | +-----------+-----------+--------+------------+-------------+--------------------+ |
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