CentOS 6
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OpenStack Grizzly - Run Instance
2013/08/13
 
Create and Run Virtual Machine Instance.
[1] Create a network which instances use in OpenStack internal system..
# nova-manage network create --label (any name) --dns1 (DNS server) --fixed_range_v4=(internal range)

[root@dlp ~(keystone)]#
nova-manage network create --label network01 --dns1 10.0.0.10 --fixed_range_v4=10.1.0.0/24

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

id  IPv4          IPv6    start address   DNS1       DNS2   VlanID  project  uuid
4   10.1.0.0/24   None    10.1.0.2        10.0.0.10  None   None    None     fd211350-9f3b-4717-8319-984d624096ba
[2] Change default security rules to access to instances with SSH.
# permit SSH

[root@dlp ~(keystone)]#
nova secgroup-add-rule default tcp 22 22 0.0.0.0/0

+-------------+-----------+---------+-----------+--------------+
| IP Protocol | From Port | To Port | IP Range  | Source Group |
+-------------+-----------+---------+-----------+--------------+
| tcp         | 22        | 22      | 0.0.0.0/0 |              |
+-------------+-----------+---------+-----------+--------------+

# permit ICMP

[root@dlp ~(keystone)]#
nova secgroup-add-rule default icmp -1 -1 0.0.0.0/0

+-------------+-----------+---------+-----------+--------------+
| IP Protocol | From Port | To Port | IP Range  | Source Group |
+-------------+-----------+---------+-----------+--------------+
| icmp        | -1        | -1      | 0.0.0.0/0 |              |
+-------------+-----------+---------+-----------+--------------+

[root@dlp ~(keystone)]#
nova secgroup-list-rules default

+-------------+-----------+---------+-----------+--------------+
| IP Protocol | From Port | To Port | IP Range  | Source Group |
+-------------+-----------+---------+-----------+--------------+
| icmp        | -1        | -1      | 0.0.0.0/0 |              |
| tcp         | 22        | 22      | 0.0.0.0/0 |              |
+-------------+-----------+---------+-----------+--------------+
[3] Specify 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 | extra_specs |
+----+-----------+-----------+------+-----------+------+-------+-------------+-----------+-------------+
| 1  | m1.tiny   | 512       | 0    | 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      | {}          |
+----+-----------+-----------+------+-----------+------+-------+-------------+-----------+-------------+

# confirm virtual image

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

+--------------------------------------+---------+--------+--------+
| ID                                   | Name    | Status | Server |
+--------------------------------------+---------+--------+--------+
| d41846d5-c67c-49f2-a616-6c9a136bed3a | CentOS6 | ACTIVE |        |
+--------------------------------------+---------+--------+--------+

# create and boot an instance

[root@dlp ~(keystone)]#
nova boot --flavor 2 --image d41846d5-c67c-49f2-a616-6c9a136bed3a --security_group default CentOS6

+-------------------------------------+--------------------------------------+
| Property                            | Value                                |
+-------------------------------------+--------------------------------------+
| OS-EXT-STS:task_state               | scheduling                           |
| image                               | CentOS6                              |
| OS-EXT-STS:vm_state                 | building                             |
| OS-EXT-SRV-ATTR:instance_name       | instance-00000003                    |
| flavor                              | m1.small                             |
| id                                  | 6d2251b2-2092-445e-a71d-1c43b0b8881e |
| security_groups                     | [{u'name': u'default'}]              |
| user_id                             | 5137a165952b4793a9b0ec0779d7472c     |
| OS-DCF:diskConfig                   | MANUAL                               |
| accessIPv4                          |                                      |
| accessIPv6                          |                                      |
| progress                            | 0                                    |
| OS-EXT-STS:power_state              | 0                                    |
| OS-EXT-AZ:availability_zone         | nova                                 |
| config_drive                        |                                      |
| status                              | BUILD                                |
| updated                             | 2013-08-13T04:55:25Z                 |
| hostId                              |                                      |
| OS-EXT-SRV-ATTR:host                | None                                 |
| key_name                            | None                                 |
| OS-EXT-SRV-ATTR:hypervisor_hostname | None                                 |
| name                                | CentOS6                              |
| adminPass                           | bUKym3bhfRtC                         |
| tenant_id                           | 4fc0e91962e24923bfe50db73d6930ef     |
| created                             | 2013-08-13T04:55:25Z                 |
| metadata                            | {}                                   |
+-------------------------------------+--------------------------------------+

# confirm status

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

+--------------------------------------+---------+--------+--------------------+
| ID                                   | Name    | Status | Networks           |
+--------------------------------------+---------+--------+--------------------+
| a610d03b-89cb-4ae2-86ce-5f6564f533a2 | CentOS6 | BUILD  | network01=10.1.0.3 |
+--------------------------------------+---------+--------+--------------------+
[4] Login to the Instance just booted.
# after few minutes later, the Status turns "ACTIVE" like follows

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

+--------------------------------------+---------+--------+--------------------+
| ID                                   | Name    | Status | Networks           |
+--------------------------------------+---------+--------+--------------------+
| a610d03b-89cb-4ae2-86ce-5f6564f533a2 | CentOS6 | ACTIVE | network01=10.1.0.3 |
+--------------------------------------+---------+--------+--------------------+

# it's OK if answer replys like follows

[root@dlp ~(keystone)]#
ping 10.1.0.3

PING 10.1.0.3 (10.1.0.3) 56(84) bytes of data.
64 bytes from 10.1.0.3: icmp_seq=1 ttl=64 time=0.465 ms
64 bytes from 10.1.0.3: icmp_seq=2 ttl=64 time=0.336 ms

--- 10.1.0.3 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1009ms
rtt min/avg/max/mdev = 0.336/0.400/0.465/0.067 ms

# login with SSH

[root@dlp ~(keystone)]#
ssh 10.1.0.3

The authenticity of host '10.1.0.3 (10.1.0.3)' can't be established.
RSA key fingerprint is 93:42:6b:a4:c2:46:45:a0:17:74:25:53:9c:35:08:a2.
Are you sure you want to continue connecting (yes/no)?
yes

Warning: Permanently added '10.1.0.3' (RSA) to the list of known hosts.
root@10.1.0.3's password:
# the root password you set during virtual machine installation

Last login: Tue Aug 13 04:30:37 2013
[root@centos6 ~]#
# just logined normally

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

+--------------------------------------+---------+--------+--------------------+
| ID                                   | Name    | Status | Networks           |
+--------------------------------------+---------+--------+--------------------+
| a610d03b-89cb-4ae2-86ce-5f6564f533a2 | CentOS6 | ACTIVE | network01=10.1.0.3 |
+--------------------------------------+---------+--------+--------------------+

# stop instance

[root@dlp ~(keystone)]#
nova stop a610d03b-89cb-4ae2-86ce-5f6564f533a2

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

+--------------------------------------+---------+---------+--------------------+
| ID                                   | Name    | Status  | Networks           |
+--------------------------------------+---------+---------+--------------------+
| a610d03b-89cb-4ae2-86ce-5f6564f533a2 | CentOS6 | SHUTOFF | network01=10.1.0.3 |
+--------------------------------------+---------+---------+--------------------+

# start instance again

[root@dlp ~(keystone)]#
nova start a610d03b-89cb-4ae2-86ce-5f6564f533a2

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

+--------------------------------------+---------+--------+--------------------+
| ID                                   | Name    | Status | Networks           |
+--------------------------------------+---------+--------+--------------------+
| a610d03b-89cb-4ae2-86ce-5f6564f533a2 | CentOS6 | ACTIVE | network01=10.1.0.3 |
+--------------------------------------+---------+--------+--------------------+
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