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Version: 1.3

Export Instance

How to export a Instance from CubeOS#

Connect to root shell with SSH#

$ ssh root@IPADDRESSWarning: Permanently added '192.168.X.X' (ECDSA) to the list of known hosts.Password:Welcome to the Cube Appliance#

Change Dirctory to /var/support#

# cd /var/support/

Load CubeOS Credentials#

# source /etc/admin-openrc.sh

List Instances#

CLI : nova list

# nova list+--------------------------------------+--------+---------+------------+-------------+----------------------------+| ID                                   | Name   | Status  | Task State | Power State | Networks                   |+--------------------------------------+--------+---------+------------+-------------+----------------------------+| fda8ff28-e42e-4457-bbc8-d7b7d016d9a5 | cirros | ACTIVE  | -          | Running     | pub_10_32_0_0=10.32.10.104 |+--------------------------------------+--------+---------+------------+-------------+----------------------------+

Stop the Instance#

CLI : nova stop <instance or UUID>

# nova stop fda8ff28-e42e-4457-bbc8-d7b7d016d9a5n+--------------------------------------+--------+---------+------------+-------------+----------------------------+| ID                                   | Name   | Status  | Task State | Power State | Networks                   |+--------------------------------------+--------+---------+------------+-------------+----------------------------+| fda8ff28-e42e-4457-bbc8-d7b7d016d9a5 | cirros | SHUTOFF | -          | Shutdown    | pub_10_32_0_0=10.32.10.104 |+--------------------------------------+--------+---------+------------+-------------+----------------------------+

Create Snapshot#

CLI : nova image-create --poll <instance or UUID> <snapshot-name>

# nova image-create --poll fda8ff28-e42e-4457-bbc8-d7b7d016d9a5 rh_cirros
Server snapshotting... 100% completeFinished

List Snapshot#

CLI: cinder snapshot-list

# cinder snapshot-list+--------------------------------------+--------------------------------------+-----------+------------------------------+------+| ID                                   | Volume ID                            | Status    | Name                         | Size |+--------------------------------------+--------------------------------------+-----------+------------------------------+------+| 4456e05a-f0d3-4726-bb15-878046384d7a | bb860f10-d6c4-444b-9a2b-c2fe9321fd2a | available | snapshot for rh_cirros       | 2    |+--------------------------------------+--------------------------------------+-----------+------------------------------+------+

Create a volume from snapshot#

CLI: cinder create --snapshot-id <snapshot-uuid> <snapshot-size-in-gb>

+--------------------------------+--------------------------------------+| Property                       | Value                                |+--------------------------------+--------------------------------------+| attachments                    | []                                   || availability_zone              | nova                                 || bootable                       | false                                || consistencygroup_id            | None                                 || created_at                     | 2020-07-17T06:43:51.000000           || description                    | None                                 || encrypted                      | False                                || id                             | fd9920be-2d4c-491f-8b01-d0d36ea2024c || metadata                       | {}                                   || migration_status               | None                                 || multiattach                    | False                                || name                           | None                                 || os-vol-host-attr:host          | cube@ceph#ceph                       || os-vol-mig-status-attr:migstat | None                                 || os-vol-mig-status-attr:name_id | None                                 || os-vol-tenant-attr:tenant_id   | faa0d0a46f404fc89933dd05802df8fb     || replication_status             | None                                 || size                           | 2                                    || snapshot_id                    | 4456e05a-f0d3-4726-bb15-878046384d7a || source_volid                   | None                                 || status                         | creating                             || updated_at                     | 2020-07-17T06:43:51.000000           || user_id                        | 065e58ff6e824316a2b42f3f8df3dea3     || volume_type                    | None                                 |+--------------------------------+--------------------------------------+

Convert Volume to image#

CLI: cinder upload-to-image <volume id> <image name>

# cinder upload-to-image fd9920be-2d4c-491f-8b01-d0d36ea2024c rh_test+---------------------+--------------------------------------+| Property            | Value                                |+---------------------+--------------------------------------+| container_format    | bare                                 || disk_format         | raw                                  || display_description | None                                 || id                  | fd9920be-2d4c-491f-8b01-d0d36ea2024c || image_id            | 0db015e4-857d-45f7-8b16-6703162d292d || image_name          | rh_test                              || protected           | False                                || size                | 2                                    || status              | uploading                            || updated_at          | 2020-07-17T06:43:51.000000           || visibility          | shared                               || volume_type         | None                                 |+---------------------+--------------------------------------+

List Images#

CLI: glance image-list

# glance image-list+--------------------------------------+-----------------------+| ID                                   | Name                  |+--------------------------------------+-----------------------+| 0db015e4-857d-45f7-8b16-6703162d292d | rh_test               |+--------------------------------------+-----------------------+

Export to file#

CLI: glance image-download --file <filename>.raw <image id>

# glance image-download --file rh_test.raw 0db015e4-857d-45f7-8b16-6703162d292d

[optional] Convert to VHD#

# qemu-img convert -f raw -o subformat=fixed,force_size -O vpc rh_test.raw rh_test.vhd
Last updated on by Roy Tan