[Kimchi-devel] [RFC] Hotplug a new VM disk

[Aline Manera]

+1

On 30/03/2015 20:03, Crístian Viana wrote:
> Hi,
>
> I'd like to propose a new feature to hotplug a new disk to a VM.
>
> This feature will be implemented only on the UI side. The backend 
> already has the methods needed to make it work.
>
> Suppose a user wants to add a new disk to a running VM. Currently, 
> they have to create an empty disk using other tools outside of Kimchi 
> and put it into an existing storage pool. This might be challenging 
> for some users, as it requires the use of other tools, possibly 
> involving the command line (e.g. qemu-img). With this new feature, the 
> user will only select the storage pool and the size of the new disk 
> they want to add; Kimchi will create the disk in the appropriate pool 
> and attach it to the VM.
>
> In order to perform this feature, the UI will have to be updated to 
> allow the following steps:
>
> 1) Select an existing VM, "Actions" > "Edit".
> 2) Switch to the tab "Storage".
> 3) Click on the button "+".
> 4) On "Device type", select "disk" .
> 5) On "Storage pool", select any storage pool.
> *6) On "Storage volume", select "New...".**
> **7) Enter the desired disk size.*
> 8) Click on the button "Attach".
>
> Steps 6 and 7 are the ones related to this feature and they need to be 
> implemented. The other steps already exist in the current UI.
>
> When the user performs step 8, the UI should send the following 
> requests to the server:
>
> POST /storagepools/<pool>/storagevolumes {'name': <vol>, 'capacity': 
> <size>}
> POST /vms/<vm>/storages {'name': <vol>}
>
> Those requests already work, they just have to be executed in that 
> order in order to perform this new feature.
>
> Any feedback will be very welcome.
>
> Best regards,
> Crístian.
>
>
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