Procedure

Download nectar credential

Get the nectar credential

source the openrc.sh file

Place the downloaded openrc.sh file in a directory

source openrc.sh
env | grep OS_

get a list of snapshot images

make sure python-glanceclient is installed (apt-get install python-glanceclient)

glance image-list

You will see an output like below:


|Image ID                   |Image Name| Disk Format|Container Format| Size| Status|

|8c60e6d7-8a12-4378-b18c-374e8e00b7ae| connect_matlab|qcow2| bare| 10640228352 | active |

Download the Image

glance image-download <Image ID> --file filename.img

glance image-download  8c60e6d7-8a12-4378-b18c-374e8e00b7ae  --file connect_matlab.img

To upload an image

glance image-create --name myimage --disk-format=raw --container-format=bare < /path/to/file.img

OR:
glance image-create --name myimage --disk-format=raw --container-format=bare --file /path/to/file.img

e.g:

glance image-create --name clovr-standard-2012-11-16-20-05-15-Griffith --disk-format=raw --container-format=bare --file clovr-standard-2012-11-16-20-05-15.img 


+------------------+---------------------------------------------+
| Property         | Value                                       |
+------------------+---------------------------------------------+
| checksum         | b79ea25aacb528a49e8c84752b66c4aa            |
| container_format | bare                                        |
| created_at       | 2014-08-05T23:41:22                         |
| deleted          | False                                       |
| deleted_at       | None                                        |
| disk_format      | raw                                         |
| id               | 5d89718c-8dbf-4b1b-a280-01212f9c1fd0        |
| is_public        | False                                       |
| min_disk         | 0                                           |
| min_ram          | 0                                           |
| name             | clovr-standard-2012-11-16-20-05-15-Griffith |
| owner            | 44afac96e4e7490286342bf1be738cc8            |
| protected        | False                                       |
| size             | 19002294784                                 |
| status           | active                                      |
| updated_at       | 2014-08-05T23:54:17                         |
+------------------+---------------------------------------------+



To upload qcow2 format image:

glance image-create --name clovr-standard-2012-11-16-20-05-15-Griffith-qcow2 --disk-format=qcow2 --container-format=bare --file clovr-standard-2012-11-16-20-05-15.qcow2 


+------------------+---------------------------------------------------+
| Property         | Value                                             |
+------------------+---------------------------------------------------+
| checksum         | 008fb601236ed9c5c275e18ece471d49                  |
| container_format | bare                                              |
| created_at       | 2014-08-06T01:08:16                               |
| deleted          | False                                             |
| deleted_at       | None                                              |
| disk_format      | qcow2                                             |
| id               | a85b8c38-7e07-4d8c-9b7c-db27d3fae041              |
| is_public        | False                                             |
| min_disk         | 0                                                 |
| min_ram          | 0                                                 |
| name             | clovr-standard-2012-11-16-20-05-15-Griffith-qcow2 |
| owner            | 44afac96e4e7490286342bf1be738cc8                  |
| protected        | False                                             |
| size             | 5576261632                                        |
| status           | active                                            |
| updated_at       | 2014-08-06T01:14:45                               |
+------------------+---------------------------------------------------+

Reference:
1. http://docs.openstack.org/grizzly/openstack-compute/admin/content/adding-images.html