OpenStack Icehouse : Add Images2014/08/31

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

[root@dlp ~]#

unset SERVICE_TOKEN

[root@dlp ~]#

unset SERVICE_ENDPOINT

[root@dlp ~]#

vi ~/keystonerc

export OS_USERNAME=admin
export OS_PASSWORD=adminpassword
export OS_TENANT_NAME=admin
export OS_AUTH_URL=http://10.0.0.30:35357/v2.0/
export PS1='[\u@\h \W(keystone)]\$ '

[root@dlp ~]#

chmod 600 ~/keystonerc

[root@dlp ~]#

source ~/keystonerc

[root@dlp ~(keystone)]#

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

# confirm 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 for adding.

# create a directory for disk image

[root@dlp ~]#

mkdir -p /var/kvm/images

# create a disk image

[root@dlp ~]#

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

# install

[root@dlp ~]#

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         | 65ac63b8f92a33c1a64005a711e780b5     |
| container_format | bare                                 |
| created_at       | 2014-09-01T12:31:16                  |
| deleted          | False                                |
| deleted_at       | None                                 |
| disk_format      | qcow2                                |
| id               | 00a1a855-84a6-4351-962d-81b79c1d6c4c |
| is_public        | True                                 |
| min_disk         | 0                                    |
| min_ram          | 0                                    |
| name             | CentOS7                              |
| owner            | 2b658c66b2c647b7ad03083636d31464     |
| protected        | False                                |
| size             | 983629824                            |
| status           | active                               |
| updated_at       | 2014-09-01T12:31:23                  |
| virtual_size     | None                                 |
+------------------+--------------------------------------+

[root@dlp ~(keystone)]#

glance image-list

+-----------+---------+-------------+------------------+-----------+--------+
| ID        | Name    | Disk Format | Container Format | Size      | Status |
+-----------+---------+-------------+------------------+-----------+--------+
| 00a1a855- | CentOS7 | qcow2       | bare             | 983629824 | active |
+-----------+---------+-------------+------------------+-----------+--------+

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

root@dlp:~#

wget http://cloud-images.ubuntu.com/releases/14.04/release/ubuntu-14.04-server-cloudimg-amd64-disk1.img -P /var/kvm/images

root@dlp:~#

glance image-create --name="Ubuntu1404" --is-public=true --disk-format=qcow2 --container-format=bare < /var/kvm/images/ubuntu-14.04-server-cloudimg-amd64-disk1.img

+------------------+--------------------------------------+
| Property         | Value                                |
+------------------+--------------------------------------+
| checksum         | b65cbc63bfa4abb6144dddf43caa6b5e     |
| container_format | bare                                 |
| created_at       | 2014-05-05T05:26:46                  |
| deleted          | False                                |
| deleted_at       | None                                 |
| disk_format      | qcow2                                |
| id               | 90b2b3fd-d671-4f2f-aba1-b8a890857bd8 |
| is_public        | True                                 |
| min_disk         | 0                                    |
| min_ram          | 0                                    |
| name             | Ubuntu1404                           |
| owner            | fa66398ac25943629877cc6e459d38ae     |
| protected        | False                                |
| size             | 252707328                            |
| status           | active                               |
| updated_at       | 2014-05-05T05:26:49                  |
| virtual_size     | None                                 |
+------------------+--------------------------------------+

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