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OpenStack Havana - Start Virtual Machine Instance
2013/12/23 |
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Create and Start 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 1 10.1.0.0/24 None 10.1.0.2 10.0.0.10 None None None a02b7b6d-1fb1- |
| [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 | +-------------+-----------+---------+-----------+--------------+ | tcp | 22 | 22 | 0.0.0.0/0 | | | icmp | -1 | -1 | 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 | +----+-----------+-----------+------+-----------+------+-------+-------------+-----------+ | 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 | +----+-----------+-----------+------+-----------+------+-------+-------------+-----------+ # confirm virtual image [root@dlp ~(keystone)]# nova image-list +--------------------------------------+----------+--------+--------+ | ID | Name | Status | Server | +--------------------------------------+----------+--------+--------+ | f30308e3-736e-42b4-807f-8b56d4a3d7e9 | Fedora20 | ACTIVE | | +--------------------------------------+----------+--------+--------+ # create and boot an instance [root@dlp ~(keystone)]# nova boot --flavor 2 --image Fedora20 --security_group default Fedora20
+--------------------------------------+--------------------------------------+
| Property | Value |
+--------------------------------------+--------------------------------------+
| OS-EXT-STS:task_state | scheduling |
| image | Fedora20 |
| OS-EXT-STS:vm_state | building |
| OS-EXT-SRV-ATTR:instance_name | instance-00000001 |
| OS-SRV-USG:launched_at | None |
| flavor | m1.small |
| id | 79a976b7-3abf-4e86-9318-7dfd464263f6 |
| security_groups | [{u'name': u'default'}] |
| user_id | 58310769b2894369b8b0589d2f3ef144 |
| 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 | 2013-12-26T04:00:57Z |
| hostId | |
| OS-EXT-SRV-ATTR:host | None |
| OS-SRV-USG:terminated_at | None |
| key_name | None |
| OS-EXT-SRV-ATTR:hypervisor_hostname | None |
| name | Fedora20 |
| adminPass | q8dmMiuHxCyK |
| tenant_id | fd861362f7b84b80a639e9010703dbce |
| created | 2013-12-26T04:00:57Z |
| os-extended-volumes:volumes_attached | [] |
| metadata | {} |
+--------------------------------------+--------------------------------------+
# confirm status [root@dlp ~(keystone)]# nova list +------------+----------+--------+------------+-------------+--------------------+ | ID | Name | Status | Task State | Power State | Networks | +------------+----------+--------+------------+-------------+--------------------+ | 79a976b7-3 | Fedora20 | BUILD | spawning | NOSTATE | network01=10.1.0.2 | +------------+----------+--------+------------+-------------+--------------------+ |
| [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 | Task State | Power State | Networks | +------------+----------+--------+------------+-------------+--------------------+ | 79a976b7-3 | Fedora20 | ACTIVE | None | Running | network01=10.1.0.2 | +------------+----------+--------+------------+-------------+--------------------+ # it's OK if 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=0.330 ms 64 bytes from 10.1.0.2: icmp_seq=2 ttl=64 time=0.148 ms 64 bytes from 10.1.0.2: icmp_seq=3 ttl=64 time=0.503 ms --- 10.1.0.2 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2000ms rtt min/avg/max/mdev = 0.148/0.327/0.503/0.144 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. RSA key fingerprint is xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:45:7a:23:f8:b6:32. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added '10.1.0.2' (RSA) to the list of known hosts. root@10.1.0.2's password: Last login: Thu Dec 26 11:54:14 2013[root@localhost ~]# # 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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# stop instance [root@dlp ~(keystone)]# nova stop Fedora20 [root@dlp ~(keystone)]# nova list +------------+----------+---------+------------+-------------+--------------------+ | ID | Name | Status | Task State | Power State | Networks | +------------+----------+---------+------------+-------------+--------------------+ | 79a976b7-3 | Fedora20 | SHUTOFF | None | Shutdown | network01=10.1.0.2 | +------------+----------+---------+------------+-------------+--------------------+ # start instance again [root@dlp ~(keystone)]# nova start Fedora20 [root@dlp ~(keystone)]# nova list +------------+----------+--------+------------+-------------+--------------------+ | ID | Name | Status | Task State | Power State | Networks | +------------+----------+--------+------------+-------------+--------------------+ | 79a976b7-3 | Fedora20 | ACTIVE | None | Running | network01=10.1.0.2 | +------------+----------+--------+------------+-------------+--------------------+ |