[Libguestfs] [PATCH v2 0/3] rhv-upload: Support import to qcow2 disk

[Nir Soffer]

I pushed this series as:
https://github.com/libguestfs/virt-v2v/commit/48455a9185543bd6273fa881184caa10f01b606f

On Tue, Nov 26, 2019 at 5:07 AM Nir Soffer <nirsof at gmail.com> wrote:
>
> Add support for qcow2 disk format, enabled by imageio NBD backend in RHV 4.3.
> To use this feature manually, you can run virt-v2v with "-of qcow2".
>
> Here is example run:
>
> Source disk:
>
> $ qemu-img info /var/tmp/fedora-30.img
> image: /var/tmp/fedora-30.img
> file format: raw
> virtual size: 6 GiB (6442450944 bytes)
> disk size: 1.15 GiB
>
> virt-v2v:
>
> $ ./run virt-v2v \
>     -v \
>     -i disk /var/tmp/fedora-30.img \
>     -o rhv-upload \
>     -oc https://engine/ovirt-engine/api \
>     -op /var/tmp/engine-password \
>     -on v2v \
>     -os nfs1-export2 \
>     -of qcow2 \
>     -oa sparse \
>     -oo rhv-cafile=/etc/pki/vdsm/certs/cacert.pem \
>     -oo rhv-cluster=fc30 \
>     -oo rhv-direct=true
>
> ...
> [  71.2] Copying disk 1/1 to qemu URI json:{ "file.driver": "nbd", "file.path": "/home/nsoffer/src/virt-v2v/tmp/rhvupload.6EmoNE/nbdkit0.sock", "file.export": "/" } (qcow2)
>              overlay file: /home/nsoffer/src/virt-v2v/tmp/v2vovl7fefa6.qcow2
>       overlay device name: sda
> overlay virtual disk size: 6442450944
>   overlay source qemu URI: /var/tmp/fedora-30.img
>     target estimated size: 2456662831
>        target actual size: None
>
>           target file: [qemu] json:{ "file.driver": "nbd", "file.path": "/home/nsoffer/src/virt-v2v/tmp/rhvupload.6EmoNE/nbdkit0.sock", "file.export": "/" }
>         target format: qcow2
> ...
> qemu-img 'convert' '-p' '-n' '-f' 'qcow2' '-O' 'raw' '-S' '64k' '/home/nsoffer/src/virt-v2v/tmp/v2vovl7fefa6.qcow2' 'json:{ "file.driver": "nbd", "file.path": "/home/nsoffer/src/virt-v2v/tmp/rhvupload.6EmoNE/nbdkit0.sock", "file.export": "/" }'
> ...
>
> Target disk:
>
> $ qemu-img info /rhev/data-center/82a445b6-b5e0-43c3-b761-cc6ef972e163/55255570-983a-4d82-907a-19b964abf7ed/images/f5325b5a-22e4-4a80-ad15-f68378c42dde/ab4587de-3ddf-4178-8cc0-1a09449c970d
> image: /rhev/data-center/82a445b6-b5e0-43c3-b761-cc6ef972e163/55255570-983a-4d82-907a-19b964abf7ed/images/f5325b5a-22e4-4a80-ad15-f68378c42dde/ab4587de-3ddf-4178-8cc0-1a09449c970d
> file format: qcow2
> virtual size: 6 GiB (6442450944 bytes)
> disk size: 1.17 GiB
> cluster_size: 65536
> Format specific information:
>     compat: 1.1
>     lazy refcounts: false
>     refcount bits: 16
>     corrupt: false
>
> Nir Soffer (3):
>   rhv-upload: Log params for easier debugging
>   v2v: Add output#tranfer_format method
>   rhv-upload: Support qcow2 disk format
>
>  v2v/output_rhv_upload.ml |  7 ++++---
>  v2v/rhv-upload-plugin.py | 20 ++++++++++++++++++++
>  v2v/types.ml             |  1 +
>  v2v/types.mli            |  4 ++++
>  v2v/v2v.ml               |  2 +-
>  5 files changed, 30 insertions(+), 4 deletions(-)
>
> --
> 2.21.0
>