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OpenStack Queens : Run Instances
2018/03/05 |
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Create and Start Virtual Machine Instance.
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| [1] | Login with a user and create a config for authentication of Keystyone. The username or password in the config are just the one you added in keystone like here. Next Create and run an instance. |
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[cent@dlp ~]$
vi ~/keystonerc
export OS_PROJECT_DOMAIN_NAME=default
export OS_USER_DOMAIN_NAME=default export OS_PROJECT_NAME=hiroshima export OS_USERNAME=serverworld export OS_PASSWORD=userpassword export OS_AUTH_URL=http://10.0.0.30:5000/v3 export OS_IDENTITY_API_VERSION=3 export OS_IMAGE_API_VERSION=2 export PS1='[\u@\h \W(keystone)]\$ '
[cent@dlp ~]$
chmod 600 ~/keystonerc [cent@dlp ~]$ source ~/keystonerc [cent@dlp ~(keystone)]$ echo "source ~/keystonerc " >> ~/.bash_profile
# show flavor list [cent@dlp ~(keystone)]$ openstack flavor list +----+----------+------+------+-----------+-------+-----------+ | ID | Name | RAM | Disk | Ephemeral | VCPUs | Is Public | +----+----------+------+------+-----------+-------+-----------+ | 0 | m1.small | 2048 | 10 | 0 | 1 | True | +----+----------+------+------+-----------+-------+-----------+ # show image list [cent@dlp ~(keystone)]$ openstack image list +--------------------------------------+---------+--------+ | ID | Name | Status | +--------------------------------------+---------+--------+ | 88551fbc-ce7e-4719-a67a-dd7cad478019 | CentOS7 | active | +--------------------------------------+---------+--------+ # show network list [cent@dlp ~(keystone)]$ openstack network list +--------------------------------------+------------+--------------------------------------+ | ID | Name | Subnets | +--------------------------------------+------------+--------------------------------------+ | 535194ec-9acd-4132-bfe7-0979d908f145 | sharednet1 | d3c17a00-d3ff-4bf2-8d98-03cd6b95c57a | +--------------------------------------+------------+--------------------------------------+ # create a security group for instances [cent@dlp ~(keystone)]$ openstack security group create secgroup01 +-----------------+------------------------------------------------------------+ | Field | Value | +-----------------+------------------------------------------------------------+ | created_at | 2018-03-07T02:46:41Z | | description | secgroup01 | | id | 531679bf-6f46-40ca-805a-328da125198b | | name | secgroup01 | | project_id | a3c3e533531c48c48dcd643d13d307e5 | | revision_number | 2 | | rules | created_at='2018-03-07T02:46:41Z', direction='egress',...' | | | created_at='2018-03-07T02:46:41Z', direction='egress',...' | | updated_at | 2018-03-07T02:46:41Z | +-----------------+------------------------------------------------------------+[cent@dlp ~(keystone)]$ openstack security group list +--------------+------------+------------------------+----------------------------------+ | ID | Name | Description | Project | +--------------+------------+------------------------+----------------------------------+ | 531679bf-... | secgroup01 | secgroup01 | a3c3e533531c48c48dcd643d13d307e5 | | f074c601-... | default | Default security group | a3c3e533531c48c48dcd643d13d307e5 | +--------------+------------+------------------------+----------------------------------+ # create a SSH keypair for connecting to instances [cent@dlp ~(keystone)]$ ssh-keygen -q -N "" Enter file in which to save the key (/home/cent/.ssh/id_rsa): # add public-key [cent@dlp ~(keystone)]$ openstack keypair create --public-key ~/.ssh/id_rsa.pub mykey +-------------+-------------------------------------------------+ | Field | Value | +-------------+-------------------------------------------------+ | fingerprint | 36:fe:4c:e4:7f:a3:27:1a:f7:a3:4f:fa:b9:a6:16:92 | | name | mykey | | user_id | a1ecf467167542bdb615ba4311f4bf0a | +-------------+-------------------------------------------------+[cent@dlp ~(keystone)]$ openstack keypair list +-------+-------------------------------------------------+ | Name | Fingerprint | +-------+-------------------------------------------------+ | mykey | 36:fe:4c:e4:7f:a3:27:1a:f7:a3:4f:fa:b9:a6:16:92 | +-------+-------------------------------------------------+
[cent@dlp ~(keystone)]$
netID=$(openstack network list | grep sharednet1 | awk '{ print $2 }') # create and boot an instance [cent@dlp ~(keystone)]$ openstack server create --flavor m1.small --image CentOS7 --security-group secgroup01 --nic net-id=$netID --key-name mykey CentOS_7
+-----------------------------+------------------------------------------------+ | Field | Value | +-----------------------------+------------------------------------------------+ | OS-DCF:diskConfig | MANUAL | | OS-EXT-AZ:availability_zone | | | OS-EXT-STS:power_state | NOSTATE | | OS-EXT-STS:task_state | scheduling | | OS-EXT-STS:vm_state | building | | OS-SRV-USG:launched_at | None | | OS-SRV-USG:terminated_at | None | | accessIPv4 | | | accessIPv6 | | | addresses | | | adminPass | 7zEPamrpKwTN | | config_drive | | | created | 2018-03-07T02:52:05Z | | flavor | m1.small (0) | | hostId | | | id | a4974dee-7791-4dec-81d9-d348ee7e1ebd | | image | CentOS7 (88551fbc-ce7e-4719-a67a-dd7cad478019) | | key_name | mykey | | name | CentOS_7 | | progress | 0 | | project_id | a3c3e533531c48c48dcd643d13d307e5 | | properties | | | security_groups | name='531679bf-6f46-40ca-805a-328da125198b' | | status | BUILD | | updated | 2018-03-07T02:52:05Z | | user_id | a1ecf467167542bdb615ba4311f4bf0a | | volumes_attached | | +-----------------------------+------------------------------------------------+ # show status ([BUILD] status is shown when building instance) [cent@dlp ~(keystone)]$ openstack server list +--------------------------------------+----------+--------+-----------------------+---------+----------+ | ID | Name | Status | Networks | Image | Flavor | +--------------------------------------+----------+--------+-----------------------+---------+----------+ | a4974dee-7791-4dec-81d9-d348ee7e1ebd | CentOS_7 | BUILD | sharednet1=10.0.0.202 | CentOS7 | m1.small | +--------------------------------------+----------+--------+-----------------------+---------+----------+ # when starting noramlly, the status turns to [ACTIVE] [cent@dlp ~(keystone)]$ openstack server list +--------------------------------------+----------+--------+-----------------------+---------+----------+ | ID | Name | Status | Networks | Image | Flavor | +--------------------------------------+----------+--------+-----------------------+---------+----------+ | a4974dee-7791-4dec-81d9-d348ee7e1ebd | CentOS_7 | ACTIVE | sharednet1=10.0.0.202 | CentOS7 | m1.small | +--------------------------------------+----------+--------+-----------------------+---------+----------+ |
| [2] | Configure security settings for the security group you created above to access with SSH and ICMP. |
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# permit ICMP [cent@dlp ~(keystone)]$ openstack security group rule create --protocol icmp --ingress secgroup01 +-------------------+--------------------------------------+ | Field | Value | +-------------------+--------------------------------------+ | created_at | 2018-03-07T03:41:24Z | | description | | | direction | ingress | | ether_type | IPv4 | | id | fcd9c723-99f3-4b34-9621-46bdc4a78fd3 | | name | None | | port_range_max | None | | port_range_min | None | | project_id | a3c3e533531c48c48dcd643d13d307e5 | | protocol | icmp | | remote_group_id | None | | remote_ip_prefix | 0.0.0.0/0 | | revision_number | 0 | | security_group_id | 531679bf-6f46-40ca-805a-328da125198b | | updated_at | 2018-03-07T03:41:24Z | +-------------------+--------------------------------------+ # permit SSH [cent@dlp ~(keystone)]$ openstack security group rule create --protocol tcp --dst-port 22:22 secgroup01 +-------------------+--------------------------------------+ | Field | Value | +-------------------+--------------------------------------+ | created_at | 2018-03-07T03:41:41Z | | description | | | direction | ingress | | ether_type | IPv4 | | id | a80efaec-1f24-423f-ba99-c90b4c5b9046 | | name | None | | port_range_max | 22 | | port_range_min | 22 | | project_id | a3c3e533531c48c48dcd643d13d307e5 | | protocol | tcp | | remote_group_id | None | | remote_ip_prefix | 0.0.0.0/0 | | revision_number | 0 | | security_group_id | 531679bf-6f46-40ca-805a-328da125198b | | updated_at | 2018-03-07T03:41:41Z | +-------------------+--------------------------------------+[cent@dlp ~(keystone)]$ openstack security group rule list +--------------+-------------+-----------+------------+-----------------------------+---------------------+ | ID | IP Protocol | IP Range | Port Range | Remote Security Group | Security Group | +--------------+-------------+-----------+------------+-----------------------------+---------------------+ | 073e7f63-... | None | None | | f074c601-6177-4bd8-bcac-... | f074c601-6177-43... | | 4ae961ff-... | None | None | | None | 531679bf-6f46-41... | | 4d1df410-... | None | None | | None | f074c601-6177-43... | | a80efaec-... | tcp | 0.0.0.0/0 | 22:22 | None | 531679bf-6f46-41... | | da9cdf72-... | None | None | | f074c601-6177-4bd8-bcac-... | f074c601-6177-43... | | e2d26251-... | None | None | | None | f074c601-6177-43... | | e6f25123-... | None | None | | None | 531679bf-6f46-41... | | fcd9c723-... | icmp | 0.0.0.0/0 | | None | 531679bf-6f46-41... | +--------------+-------------+-----------+------------+-----------------------------+---------------------+ |
| [3] | Login to the instance with SSH. |
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[cent@dlp ~(keystone)]$ openstack server list +--------------------------------------+----------+--------+-----------------------+---------+----------+ | ID | Name | Status | Networks | Image | Flavor | +--------------------------------------+----------+--------+-----------------------+---------+----------+ | a4974dee-7791-4dec-81d9-d348ee7e1ebd | CentOS_7 | ACTIVE | sharednet1=10.0.0.202 | CentOS7 | m1.small | +--------------------------------------+----------+--------+-----------------------+---------+----------+[cent@dlp ~(keystone)]$ ping 10.0.0.202 -c3 PING 10.0.0.202 (10.0.0.202) 56(84) bytes of data. 64 bytes from 10.0.0.202: icmp_seq=1 ttl=64 time=3.94 ms 64 bytes from 10.0.0.202: icmp_seq=2 ttl=64 time=1.24 ms 64 bytes from 10.0.0.202: icmp_seq=3 ttl=64 time=1.21 ms --- 10.0.0.202 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2002ms rtt min/avg/max/mdev = 1.214/2.134/3.948/1.283 ms[cent@dlp ~(keystone)]$ ssh -i mykey centos@10.0.0.202
Warning: Identity file mykey not accessible: No such file or directory.
The authenticity of host '10.0.0.202 (10.0.0.202)' can't be established.
ECDSA key fingerprint is SHA256:xHIBEd/rhh5IPJGv7rXS/VmbM+4i2FJMA6UWPA0UUT8.
ECDSA key fingerprint is MD5:5b:01:d5:5a:40:c5:1a:d7:05:40:f6:96:0a:db:52:6d.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '10.0.0.202' (ECDSA) to the list of known hosts.
[centos@centos-7 ~]$ # just logined |
| [4] | If you'd like to stop an instance, it's also possible to control with openstack command like follows. |
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[cent@dlp ~(keystone)]$ openstack server list +--------------------------------------+----------+--------+-----------------------+---------+----------+ | ID | Name | Status | Networks | Image | Flavor | +--------------------------------------+----------+--------+-----------------------+---------+----------+ | a4974dee-7791-4dec-81d9-d348ee7e1ebd | CentOS_7 | ACTIVE | sharednet1=10.0.0.202 | CentOS7 | m1.small | +--------------------------------------+----------+--------+-----------------------+---------+----------+ # stop instance [cent@dlp ~(keystone)]$ openstack server stop CentOS_7 [cent@dlp ~(keystone)]$ openstack server list +--------------------------------------+----------+---------+-----------------------+---------+----------+ | ID | Name | Status | Networks | Image | Flavor | +--------------------------------------+----------+---------+-----------------------+---------+----------+ | a4974dee-7791-4dec-81d9-d348ee7e1ebd | CentOS_7 | SHUTOFF | sharednet1=10.0.0.202 | CentOS7 | m1.small | +--------------------------------------+----------+---------+-----------------------+---------+----------+ # start instance [cent@dlp ~(keystone)]$ openstack server start CentOS_7 [cent@dlp ~(keystone)]$ openstack server list +--------------------------------------+----------+--------+-----------------------+---------+----------+ | ID | Name | Status | Networks | Image | Flavor | +--------------------------------------+----------+--------+-----------------------+---------+----------+ | a4974dee-7791-4dec-81d9-d348ee7e1ebd | CentOS_7 | ACTIVE | sharednet1=10.0.0.202 | CentOS7 | m1.small | +--------------------------------------+----------+--------+-----------------------+---------+----------+ |
| [5] | It's possible to access with Web browser to get VNC console. |
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[cent@dlp ~(keystone)]$ openstack server list +--------------------------------------+----------+--------+-----------------------+---------+----------+ | ID | Name | Status | Networks | Image | Flavor | +--------------------------------------+----------+--------+-----------------------+---------+----------+ | a4974dee-7791-4dec-81d9-d348ee7e1ebd | CentOS_7 | ACTIVE | sharednet1=10.0.0.202 | CentOS7 | m1.small | +--------------------------------------+----------+--------+-----------------------+---------+----------+[cent@dlp ~(keystone)]$ openstack console url show CentOS_7 +-------+--------------------------------------------------------------------------------+ | Field | Value | +-------+--------------------------------------------------------------------------------+ | type | novnc | | url | http://10.0.0.30:6080/vnc_auto.html?token=37a06156-b9d7-469d-932d-ac88a9fae1ea | +-------+--------------------------------------------------------------------------------+ |
| [6] | Access to the URL which was displayed by the command above. |
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