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Re: [libvirt] Google Summer of Code 2013 ideas wiki open



On 12/04/13 14:34, Michal Privoznik wrote:
On 10.04.2013 15:13, harryxiyou wrote:
Hi all,

I've also got some ideas like following for GSOC 2013.

Storage driver jobs.

Currently, there is no Libvirt storage API to rename storage volume,
storage pool, snapshot, etc. There is also no Libvirt API to move
volume from one pool to another using libvirt API. Possibly those
pools could have different backend (lvm, dir, ...). So i wanna finish
these jobs for Libvirt during GSOC 2013. See following in details.


1, Rename storage volume. I will develop ' virsh vol-rename xxx'
option for virsh tool.

2, Rename storage pool. I will develop 'virsh pool-rename xxx'
option for virsh tool.

3, Rename snapshot. I will develop 'virsh snapshot-rename xxx'
option for virsh tool.
I am not sure we want *rename virsh commands. Not only for storage, but
in general. And even if we do want these, they don't require a new API.
They can be implemented with simple vir*GetXML(); vir*Define();
vir*Undefine();

I think this request is mainly for other managment apps' use, for
virsh, it's not that deserved, "virsh destroy dom && virsh edit dom"
can do the work.

Currently, the program needs to do the following to rename, e.g:

virDomainDestroyFlags
virDomainGetXMLDesc
--change XML
virDomainUndefineFlags
virDomainDefineFlags

Having a renaming API will ease the use, but as I said, I'm not sure
if it's deserved from different p.o.v, because it may only makes sense
for inactive objects.


4, Move volume from one pool to another. I will develop 'virsh vol-move xxx'
option for virsh tool.
This one makes more sense, however I am worried about difficulty a bit.
A GSoC project should take 3 months for a student to complete. This is
something that even unexperienced user can accomplish in less than a month.

Well, currently, these are just good ideas for Libvirt GSOC 2013. I will
give detail design plan for these stuffs according to the workflow of GSOC.
Could anyone give me some suggestions?
Thanks very much in advance.

Michal

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