Ubuntu 22.04
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OpenStack Bobcat : Add VM images to Glance2023/10/05
 
Add Virtual Machine images to Glance.
[1] For example, Create a Virtual Machine image of ubuntu 22.04.
# download the official disk image

root@dlp ~(keystone)#
wget http://cloud-images.ubuntu.com/releases/22.04/release/ubuntu-22.04-server-cloudimg-amd64.img
# if you'd like to change settings in the image, configure like follows
# mount disk image

root@dlp ~(keystone)#
modprobe nbd

root@dlp ~(keystone)#
qemu-nbd --connect=/dev/nbd0 ubuntu-22.04-server-cloudimg-amd64.img

root@dlp ~(keystone)#
mount /dev/nbd0p1 /mnt

root@dlp ~(keystone)#
vi /mnt/etc/cloud/cloud.cfg
# line 14 : add
# only the case you'd like to allow SSH password authentication

ssh_pwauth: true
# line 99 : change
# only the case if you'd like to allow [ubuntu] user to use SSH password auth

system_info:
   # This will affect which distro class gets used
   distro: ubuntu
   # Default user name + that default users groups (if added/used)
   default_user:
     name: ubuntu
     lock_passwd: False
     gecos: Ubuntu
root@dlp ~(keystone)#
umount /mnt

root@dlp ~(keystone)#
qemu-nbd --disconnect /dev/nbd0p1

/dev/nbd0p1 disconnected
# add image to Glance

root@dlp ~(keystone)#
openstack image create "Ubuntu2204" --file ubuntu-22.04-server-cloudimg-amd64.img --disk-format qcow2 --container-format bare --public 

+------------------+------------------------------------------------------------------------------+
| Field            | Value                                                                        |
+------------------+------------------------------------------------------------------------------+
| container_format | bare                                                                         |
| created_at       | 2023-10-05T00:31:13Z                                                         |
| disk_format      | qcow2                                                                        |
| file             | /v2/images/2216b5ad-eeb5-4b9a-b862-60b84fdfee1c/file                         |
| id               | 2216b5ad-eeb5-4b9a-b862-60b84fdfee1c                                         |
| min_disk         | 0                                                                            |
| min_ram          | 0                                                                            |
| name             | Ubuntu2204                                                                   |
| owner            | 39e8c6d7a2d14ee581902f0703a53b66                                             |
| properties       | os_hidden='False', owner_specified.openstack.md5='', owner_specified.open... |
| protected        | False                                                                        |
| schema           | /v2/schemas/image                                                            |
| status           | queued                                                                       |
| tags             |                                                                              |
| updated_at       | 2023-10-05T00:31:13Z                                                         |
| visibility       | public                                                                       |
+------------------+------------------------------------------------------------------------------+
root@dlp ~(keystone)#
openstack image list 

+--------------------------------------+------------+--------+
| ID                                   | Name       | Status |
+--------------------------------------+------------+--------+
| 2216b5ad-eeb5-4b9a-b862-60b84fdfee1c | Ubuntu2204 | active |
+--------------------------------------+------------+--------+
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