Fedora 21
Sponsored Link

OpenStack Juno : Boot Instances
2015/01/06
 
Create and Start Virtual Machine Instance.
[1] Specify the flavor (memory or disk) and create an instance and boot it.
# 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 virtual images list

[root@dlp ~(keystone)]#
nova image-list

+--------------------------------------+----------+--------+--------+
| ID                                   | Name     | Status | Server |
+--------------------------------------+----------+--------+--------+
| 2285e45a-6423-4f9f-a1ac-1ea1d2c757ea | Fedora21 | ACTIVE |        |
+--------------------------------------+----------+--------+--------+

# create and boot an instance

[root@dlp ~(keystone)]#
nova boot --flavor 2 --image Fedora21 --security_group default Fedora_21

+--------------------------------------+-------------------------------------------------+
| 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                            | qsyEM8NBSDSn                                    |
| config_drive                         |                                                 |
| created                              | 2015-01-06T12:45:35Z                            |
| flavor                               | m1.small (2)                                    |
| hostId                               |                                                 |
| id                                   | e6801c42-e317-4b83-a6dc-0e9763b3a1b5            |
| image                                | Fedora21 (2285e45a-6423-4f9f-a1ac-1ea1d2c757ea) |
| key_name                             | -                                               |
| metadata                             | {}                                              |
| name                                 | Fedora_21                                       |
| os-extended-volumes:volumes_attached | []                                              |
| progress                             | 0                                               |
| security_groups                      | default                                         |
| status                               | BUILD                                           |
| tenant_id                            | ba9a9493fcd34512bf09108e455dc17e                |
| updated                              | 2015-01-06T12:45:35Z                            |
| user_id                              | 7a4b7e535b2044d0a0a673ebd33c96da                |
+--------------------------------------+-------------------------------------------------+

# show status

[root@dlp ~(keystone)]#
nova list

+-----------+-------------+--------+------------+-------------+--------------------+
| ID        | Name        | Status | Task State | Power State | Networks           |
+-----------+-------------+--------+------------+-------------+--------------------+
| ee692a0f- | Fedora_21   | BUILD  | spawning   | NOSTATE     | network01=10.1.0.2 |
+-----------+-------------+--------+------------+-------------+--------------------+
[2] Login to the Instance just booted.
# after few minutes later, the Status turns "ACTIVE" like follows

[root@dlp ~(keystone)]#
nova list

+-----------+-------------+--------+------------+-------------+--------------------+
| ID        | Name        | Status | Task State | Power State | Networks           |
+-----------+-------------+--------+------------+-------------+--------------------+
| ee692a0f- | Fedora_21   | 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=1.38 ms
64 bytes from 10.1.0.2: icmp_seq=2 ttl=64 time=1.07 ms
^C
--- 10.1.0.2 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1002ms
rtt min/avg/max/mdev = 1.070/1.228/1.386/0.158 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:
Last login: Tue Jan 6 19:55:56 2015
[root@localhost ~]#
# just logined normally

[3] If you'd like to stop an instance, it's also possible to control with nova command like follows.
[root@dlp ~(keystone)]#
nova list

+-----------+-------------+--------+------------+-------------+--------------------+
| ID        | Name        | Status | Task State | Power State | Networks           |
+-----------+-------------+--------+------------+-------------+--------------------+
| ee692a0f- | Fedora_21   | ACTIVE | -          | Running     | network01=10.1.0.2 |
+-----------+-------------+--------+------------+-------------+--------------------+

# stop instance

[root@dlp ~(keystone)]#
nova stop Fedora_21

[root@dlp ~(keystone)]#
nova list

+-----------+-----------+---------+------------+-------------+--------------------+
| ID        | Name      | Status  | Task State | Power State | Networks           |
+-----------+-----------+---------+------------+-------------+--------------------+
| 29d99611- | Fedora_21 | SHUTOFF | -          | Shutdown    | network01=10.1.0.2 |
+-----------+-----------+---------+------------+-------------+--------------------+

# start instance again

[root@dlp ~(keystone)]#
nova start Fedora_21

[root@dlp ~(keystone)]#
nova list

+-----------+-----------+--------+------------+-------------+--------------------+
| ID        | Name      | Status | Task State | Power State | Networks           |
+-----------+-----------+--------+------------+-------------+--------------------+
| 29d99611- | Fedora_21 | ACTIVE | -          | Running     | network01=10.1.0.2 |
+-----------+-----------+--------+------------+-------------+--------------------+
Matched Content
 
Tweet