CentOS 6
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OpenStack Grizzly - Add Virtual Machine image
2013/08/13
 
Add Virtual Machine image 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://127.0.0.1:35357/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
[2] For example, Create a Virtual Machine image of CentOS 6 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/centos6.img 10G
# install

[root@dlp ~]#
virt-install \
-n centos6 \
-r 2048 \
--disk path=/var/kvm/images/centos6.img,format=qcow2 \
--vcpus=2 \
--os-type linux \
--os-variant=rhel6 \
--nographics \
--location='http://ftp.jaist.ac.jp/pub/Linux/CentOS/6.4/os/x86_64/' \
--extra-args='console=tty0 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
* delete the file "/etc/udev/rules.d/70-persistent-net.rules"
[4] Add the virtual image to Glance.
[root@dlp ~(keystone)]#
glance image-create --name="CentOS6" --is-public=true --disk-format=qcow2 --container-format=bare < /var/kvm/images/centos6.img 

+------------------+--------------------------------------+
| Property         | Value                                |
+------------------+--------------------------------------+
| checksum         | 91ad4f207f697fc3ea16050ac069c864     |
| container_format | bare                                 |
| created_at       | 2013-08-13T04:37:00                  |
| deleted          | False                                |
| deleted_at       | None                                 |
| disk_format      | qcow2                                |
| id               | d41846d5-c67c-49f2-a616-6c9a136bed3a |
| is_public        | True                                 |
| min_disk         | 0                                    |
| min_ram          | 0                                    |
| name             | CentOS6                              |
| owner            | 4fc0e91962e24923bfe50db73d6930ef     |
| protected        | False                                |
| size             | 964689920                            |
| status           | active                               |
| updated_at       | 2013-08-13T04:37:06                  |
+------------------+--------------------------------------+
[root@dlp ~(keystone)]#
glance image-list 

+--------------------------------------+---------+-------------+------------------+-----------+--------+
| ID                                   | Name    | Disk Format | Container Format | Size      | Status |
+--------------------------------------+---------+-------------+------------------+-----------+--------+
| d41846d5-c67c-49f2-a616-6c9a136bed3a | CentOS6 | qcow2       | bare             | 964689920 | active |
+--------------------------------------+---------+-------------+------------------+-----------+--------+
 
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