OpenStack Grizzly - Run Instance2013/08/13 |
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Create and Run Virtual Machine Instance.
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| [1] | Create a network which instances use in OpenStack internal system.. |
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# 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. |
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# 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. |
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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 | 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. |
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# 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. |
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[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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