OpenStack Yoga : Add VM Images2022/05/31 |
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Add Virtual Machine images in Glance.
For example on here, add a CentOS Stream 8 virtual machine image. |
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| [1] |
Install KVM HyperVisor, refer to here.
It's unnecessarry to set Bridge networking on the section [2] of the link. Furthermore, Install VM management tools, refer to here. |
| [2] | Create a CentOS Stream 8 image on Glance service Host. Download the ISO image of CentOS Stream 8 first into a directory before it. |
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# create a disk image [root@dlp ~(keystone)]# qemu-img create -f qcow2 /var/kvm/images/centos-st8.img 10G
# install [root@dlp ~(keystone)]# virt-install \
--name centos-st8 \ --ram 4096 \ --disk path=/var/kvm/images/centos-st8.img,format=qcow2 \ --vcpus 2 \ --os-variant centos-stream8 \ --network network=default \ --graphics none \ --console pty,target_type=serial \ --location /home/CentOS-Stream-8-x86_64-latest-dvd1.iso \ --extra-args 'console=ttyS0,115200n8'
Starting install...
# after installing OS, login to the VM and configure necessary settings
CentOS Stream 8
Kernel 4.18.0-348.2.1.el8_5.x86_64 on an x86_64
Activate the web console with: systemctl enable --now cockpit.socket
localhost login: root
# replace the interface name [enp1s0] to your own environment [root@localhost ~]# useradd centos [root@localhost ~]# passwd centos
[root@localhost ~]#
vi /etc/sysconfig/network-scripts/ifcfg-enp1s0 # disable the [UUID] line and also set [dhcp] for [BOOTPROTO] line #UUID="3ebe29b4-b7a3-49d6-997a-ee8b78749840" BOOTPROTO=dhcp[root@localhost ~]# dnf -y install cloud-init openssh-server
[root@localhost ~]#
vi /etc/cloud/cloud.cfg # line 5 : if you'd like to allo SSH password auth, change to [1] ssh_pwauth: 1 # line 57, 58 : change to [centos] as default user # if you'd like to allow SSH password auth to the user, chage like follows system_info: default_user: name: centos lock_passwd: false[root@localhost ~]# systemctl enable cloud-init sshd [root@localhost ~]# shutdown -h now |
| [3] | Add the virtual image to Glance. |
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[root@dlp ~(keystone)]# openstack image create "CentOS-Stream-8" --file /var/kvm/images/centos-st8.img --disk-format qcow2 --container-format bare --public +------------------+---------------------------------------------------------------------------+ | Field | Value | +------------------+---------------------------------------------------------------------------+ | container_format | bare | | created_at | 2022-05-31T01:17:58Z | | disk_format | qcow2 | | file | /v2/images/7be5b7ab-36e8-43c7-95dd-34b4139a0e44/file | | id | 7be5b7ab-36e8-43c7-95dd-34b4139a0e44 | | min_disk | 0 | | min_ram | 0 | | name | CentOS-Stream-8 | | owner | 0609d3b3b398456187fb705ec9224c4a | | properties | os_hidden='False', owner_specified.openstack.md5='', owner_specified..... | | protected | False | | schema | /v2/schemas/image | | status | queued | | tags | | | updated_at | 2022-05-31T01:17:58Z | | visibility | public | +------------------+---------------------------------------------------------------------------+[root@dlp ~(keystone)]# openstack image list +--------------------------------------+-----------------+--------+ | ID | Name | Status | +--------------------------------------+-----------------+--------+ | 7be5b7ab-36e8-43c7-95dd-34b4139a0e44 | CentOS-Stream-8 | active | +--------------------------------------+-----------------+--------+ |
| [4] | By the way, if you got an image from internet, it's OK to simply add it like follows. |
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[root@dlp ~(keystone)]#
[root@dlp ~(keystone)]# wget http://cloud-images.ubuntu.com/releases/22.04/release/ubuntu-22.04-server-cloudimg-amd64.img
openstack image create "Ubuntu2204-Official" --file ubuntu-22.04-server-cloudimg-amd64.img --disk-format qcow2 --container-format bare --public +------------------+-----------------------------------------------------------------------------+ | Field | Value | +------------------+-----------------------------------------------------------------------------+ | container_format | bare | | created_at | 2022-05-31T01:21:20Z | | disk_format | qcow2 | | file | /v2/images/2c1c506d-53f7-4a19-8ac9-9fe20fc1cc5a/file | | id | 2c1c506d-53f7-4a19-8ac9-9fe20fc1cc5a | | min_disk | 0 | | min_ram | 0 | | name | Ubuntu2204-Official | | owner | 0609d3b3b398456187fb705ec9224c4a | | properties | os_hidden='False', owner_specified.openstack.md5='', owner_specified.o..... | | protected | False | | schema | /v2/schemas/image | | status | queued | | tags | | | updated_at | 2022-05-31T01:21:20Z | | visibility | public | +------------------+-----------------------------------------------------------------------------+ |
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