OpenStack downloads the image image to the local and compresses it

View mirror

[root@store images]# glance image-list
+--------------------------------------+-------------------------+
| ID                                   | Name                    |
+--------------------------------------+-------------------------+
| e32931a7-3ee3-454a-845f-1ca0484f2465 | CentOS 7.6              |
| f613c4ff-dce0-4fa7-a46f-070483b509dd | CentOS7                 |
| de06c890-bf35-4686-aad8-77577d99d44f | cirros                  |
| 1f4583dc-ab02-49d8-9e32-75853dc8dd14 | qilin                   |
| a44f782b-21b8-4b63-b047-fa762db2c9c3 | Ubantu18.04             |
| ced5f2b5-4c2e-4839-9d08-084de842d3fb | win10-50C               |
| b4200824-5388-4eef-97cf-f5fb4244fd80 | win2008-datacenter-new  |
| f958af9d-fdec-4175-ae90-b1143a2083fc | win2008-enterprise-new  |
| 44f3bfe4-0f13-4f13-97a6-2110992ad241 | win2008-standard-new    |
| 56c197d4-c0ed-4f99-a0fb-e26fa986d926 | win2012-standard-new    |
| 3b9f3e1e-fe39-4693-bd29-174e0c68f14e | win2012R2-50C           |
| 959a0dd1-a230-4150-9d5c-3b7e9e5ec5c4 | windows server 2008 ISO |
| f7c2e57c-30fa-42f4-a26c-b10c48ace46d | 大连CentOS-2020-12-21   |
+--------------------------------------+-------------------------+

Download mirror

[root@store images]# glance image-download --file ./win-2008-datacenter-new.qcow2 b4200824-5388-4eef-97cf-f5fb4244fd80

View the downloaded image

[root@store images]# ll -rht
总用量 69G
-rw-r--r-- 1 root root 3.2G 4月   3 2018 cn_windows_server_2008_r2_standard_enterprise_datacenter_and_web_with_sp1_vl_build_x64_dvd_617396.iso
-rw-r--r-- 1 root root 4.2G 5月  25 2020 cn_windows_server_2012_r2_x64_dvd_2707961.iso
-rw-r--r-- 1 qemu qemu 355M 5月  25 2020 virtio-win-0.1.171.iso
-rw-r--r-- 1 qemu qemu  40M 5月  25 2020 CloudbaseInitSetup_0_9_11_x64.msi
-rw-r--r-- 1 root root 4.3G 5月  25 2020 CentOS-7-x86_64-DVD-1810.iso
-rw-r--r-- 1 root root 2.1G 5月  25 2020 centos7.qcow2
-rw-r--r-- 1 root root 1.5M 5月  27 2020 virtio-win-drivers.vfd
-rw-r--r-- 1 root root 4.0G 5月  28 2020 nsV7Update6-adv-lic-build4-x86_64.iso
-rw-r--r-- 1 root root 2.1G 5月  28 2020 qilin.qcow2
-rwxr-xr-x 1 root root  503 5月  28 2020 create-win2008-image.sh
-rw-r--r-- 1 root root 2.7K 5月  28 2020 win2008.xml
-rw-r--r-- 1 root root 7.1G 5月  28 2020 win2008.qcow2
-rw-r--r-- 1 root root 2.9M 6月  29 2020 virtio-win-0.1.102_amd64.vfd
-rw-r--r-- 1 root root 7.6G 6月  29 2020 win2012.qcow2
-rw-r--r-- 1 root root 3.6G 7月  28 11:40 windows_10_professional_x64_2020.iso
-rwxrwxrwx 1 root root 4.2G 7月  28 13:58 windows-10-x86_64
-rw-r--r-- 1 root root 3.9G 7月  28 14:10 GhostWin10x64v1.0-2.iso
-rw-r--r-- 1 root root 4.1G 7月  28 14:30 windows_7_ultimate_x64_2020.iso
-rwxr-xr-x 1 root root  442 7月  28 15:41 create-win10-image.sh
-rw-r--r-- 1 root root 4.0G 7月  28 16:04 cn_windows_10_enterprise_ltsc_2019_x64_dvd_d17070a8.iso
-rw-r--r-- 1 root root 2.9M 7月  28 16:34 virtio-win-0.1.171_amd64.vfd
-rw-r--r-- 1 root root 7.7G 7月  28 16:43 win10.qcow2
-rw-r--r-- 1 root root 7.1G 1月   7 11:07 win-2008-datacenter-new.qcow2

Compressed image

qemu-img convert -c -O qcow2 win-2008-datacenter-new.qcow2 win-2008-datacenter-new-compress.qcow2

Upload image

openstack image create "win-2008-datacenter-new-compress"   --file win-2008-datacenter-new-compress.qcow2  --disk-format qcow2 --container-format bare  --public
+------------------+------------------------------------------------------+
| Field            | Value                                                |
+------------------+------------------------------------------------------+
| checksum         | d7d0d9582537d732deb795d150572cc7                     |
| container_format | bare                                                 |
| created_at       | 2021-01-07T03:39:47Z                                 |
| disk_format      | qcow2                                                |
| file             | /v2/images/7a94d633-85de-4bd3-9682-264312744872/file |
| id               | 7a94d633-85de-4bd3-9682-264312744872                 |
| min_disk         | 0                                                    |
| min_ram          | 0                                                    |
| name             | win-2008-datacenter-new-compress                     |
| owner            | 7027db3dd5a84e9bab1ae117d8ad0416                     |
| protected        | False                                                |
| schema           | /v2/schemas/image                                    |
| size             | 3315204096                                           |
| status           | active                                               |
| tags             |                                                      |
| updated_at       | 2021-01-07T03:40:20Z                                 |
| virtual_size     | None                                                 |
| visibility       | public                                               |
+------------------+------------------------------------------------------+