OpenStack Kilo : Add Virtual Machine Images2015/06/07

	Add Virtual Machine images in Glance.
[1]	Load environment variables first.

[root@dlp ~]#

unset OS_TOKEN OS_URL

[root@dlp ~]#

vi ~/keystonerc

export OS_PROJECT_DOMAIN_ID=default
export OS_USER_DOMAIN_ID=default
export OS_PROJECT_NAME=admin
export OS_TENANT_NAME=admin
export OS_USERNAME=admin
export OS_PASSWORD=adminpassword
export OS_AUTH_URL=http://10.0.0.30:35357/v3
export PS1='[\u@\h \W(keystone)]\$ '

[root@dlp ~]#

chmod 600 ~/keystonerc

[root@dlp ~]#

source ~/keystonerc

[root@dlp ~(keystone)]#

echo "source ~/keystonerc " >> ~/.bash_profile

# display status (it's OK if no errors are shown)

[root@dlp ~(keystone)]#

glance image-list

+----+------+-------------+------------------+------+--------+
| ID | Name | Disk Format | Container Format | Size | Status |
+----+------+-------------+------------------+------+--------+
+----+------+-------------+------------------+------+--------+

[2]	For example, Create a Virtual Machine image of CentOS 7.

# create a directory for disk image

[root@dlp ~(keystone)]#

mkdir -p /var/kvm/images

# create a disk image

[root@dlp ~(keystone)]#

qemu-img create -f qcow2 /var/kvm/images/centos7.img 10G

# install

[root@dlp ~(keystone)]#

virt-install \

--name centos7 \
--ram 2048 \
--disk path=/var/kvm/images/centos7.img,format=qcow2 \
--vcpus 2 \
--os-type linux \
--os-variant rhel7 \
--graphics none \
--console pty,target_type=serial \
--location 'http://ftp.iij.ad.jp/pub/linux/centos/7/os/x86_64/' \
--extra-args 'console=ttyS0,115200n8 serial'

Starting install...

# installation starts

[3]	After installation, change settings in virtual machine like follows and shutdown it. * delete or comment out the line "HWADDR" and "UUID" in /etc/sysconfig/network-scripts/ifcfg-eth0 * set "dhcp" for "BOOTPROTO" in /etc/sysconfig/network-scripts/ifcfg-eth0
[4]	Add the virtual image to Glance.

[root@dlp ~(keystone)]#

glance image-create --name="CentOS7" --is-public=true --disk-format=qcow2 --container-format=bare < /var/kvm/images/centos7.img

+------------------+--------------------------------------+
| Property         | Value                                |
+------------------+--------------------------------------+
| checksum         | 3a995c048ab1ba84fc67533e46c896d5     |
| container_format | bare                                 |
| created_at       | 2015-06-07T13:36:28.000000           |
| deleted          | False                                |
| deleted_at       | None                                 |
| disk_format      | qcow2                                |
| id               | 5f187b29-3986-46d9-ab90-e0fa1d523d62 |
| is_public        | True                                 |
| min_disk         | 0                                    |
| min_ram          | 0                                    |
| name             | CentOS7                              |
| owner            | 0761e4ccdc1d45e38ec21237cbd652b5     |
| protected        | False                                |
| size             | 1015676928                           |
| status           | active                               |
| updated_at       | 2015-06-07T13:36:33.000000           |
| virtual_size     | None                                 |
+------------------+--------------------------------------+

[root@dlp ~(keystone)]#

glance image-list

+-----------+---------+-------------+------------------+------------+--------+
| ID        | Name    | Disk Format | Container Format | Size       | Status |
+-----------+---------+-------------+------------------+------------+--------+
| 5f187b29- | CentOS7 | qcow2       | bare             | 1015676928 | active |
+-----------+---------+-------------+------------------+------------+--------+

[5]	By the way, if you got an image from internet, it's OK to simply add it like follows.

root@dlp:~#

wget http://cloud-images.ubuntu.com/releases/15.04/release/ubuntu-15.04-server-cloudimg-amd64-disk1.img -P /var/kvm/images

root@dlp:~#

glance image-create --name="Ubuntu1504" --is-public=true --disk-format=qcow2 --container-format=bare < /var/kvm/images/ubuntu-15.04-server-cloudimg-amd64-disk1.img

+------------------+--------------------------------------+
| Property         | Value                                |
+------------------+--------------------------------------+
| checksum         | 0ea22e8661eb533876eb903119cfa214     |
| container_format | bare                                 |
| created_at       | 2015-06-05T13:45:50                  |
| deleted          | False                                |
| deleted_at       | None                                 |
| disk_format      | qcow2                                |
| id               | 872a3ac9-6e9d-4d7d-a7f1-56270c19047d |
| is_public        | True                                 |
| min_disk         | 0                                    |
| min_ram          | 0                                    |
| name             | Ubuntu1504                           |
| owner            | a521391a3fff4634ab11a18d06772ded     |
| protected        | False                                |
| size             | 285213184                            |
| status           | active                               |
| updated_at       | 2015-06-05T13:45:53                  |
| virtual_size     | None                                 |
+------------------+--------------------------------------+

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