[Users] Quota for VMs created from templates

Mon Oct 7 07:30:34 EDT 2013

On 10/06/2013 11:30 AM, Gilad Chaplik wrote:
> Einav, Thanks for the questions, see inline.
>
>> @Gilad:
>>
>> 1. Does the 'VmCreator' Role contain the 'consume-quota' action? so when
>> granting "VmCreator"
>> on Data Center "DC1" to user "User1", "User1" can automatically consume any
>> quota defined
>> in "DC1" (including, for example, "TemplateQuota", in Mitja's case)?
> No, only SuperUser and DataCenterAdmin roles contains consume_quota action.
>
>> 2. Related to both your previous reply and my previous reply: Can a user
>> associate a CPU/RAM
>> Quota to a VM that he is now *creating*, even if he doesn't have
>> consume-quota permissions
>> on that CPU/RAM Quota? In Mitja's case, he attempted to create a VM
>> associated with both
>> "TemplateQuota" and "UserQuota", while the user (maybe - depends on answer to
>> 1) didn't
>> have permission to consume "TemplateQuota", and the VM creation succeeded. Is
>> that OK?
> Yes, you should be able to assign a VM to a CPU/RAM quota, without
> being a consumer of that quota, the check is done only when running the VM (when the resources are consumed).
>
> There is a difference between User and Admin Portal: in User portal quota list is being
> populated by quota that can be consumed by the user, so leaving the quota unchanged will selected an appropriate
> quota; also while creating a VM, disk's quota is set in 'Resource Allocation' tab (see image).
>
> @Mitja,
>
> Please check which quota(s) are assigned to VM while consuming the resources,
> and who is the user performing the task.
All tasks are performed by the same user (Helpdesk User).

Quotas assigned to VM by default at creation time:
- RAM/CPU - TemplateQuota (as displayed in User Portal->htvm10->General)
- disk - UserQuota (as displayed in User Portal->htvm10->Disks and then 
Edit on the disk)

Quotas assigned to VM after power-on:
- RAM/CPU - TemplateQuota (as displayed in User Portal->htvm10->General)
- disk - UserQuota (as displayed in User Portal->htvm10->Disks and then 
Edit on the disk)

Please see the screenshots of the quota/resources consumed by the VM.

In the Admin portal, I could see, that TemplateQuota (CPU/RAM) was 
consumed when the VM was started by the user.

Regards,
Mitja
>
>> [if the answer to both questions is "no", there is a chance that Mitja
>> discovered a bug]
>>
>> ----
>> Thanks,
>> Einav
>>
>>
>> ----- Original Message -----
>>> From: "Mitja Mihelič" <mitja.mihelic at arnes.si>
>>> To: "Einav Cohen" <ecohen at redhat.com>
>>> Cc: users at ovirt.org
>>> Sent: Friday, October 4, 2013 8:14:10 AM
>>> Subject: Re: [Users] Quota for VMs created from templates
>>>
>>> In addition to the described setup:
>>> The user was also given a permission on the data center with the role
>>> VmCreator.
>>> The user is not listed as a consumer of TemplateQuota, but they have an
>>> inherited role VmCreator in the permissions tab.
>>> Could this permission be the reason the user can create and run VMs that
>>> are associated with TemplateQuota?
>>>
>>> Regards,
>>> Mitja
>>>
>>> --
>>> Mitja Mihelič
>>> ARNES, Tehnološki park 18, p.p. 7, SI-1001 Ljubljana, Slovenia
>>> tel: +386 1 479 8877, fax: +386 1 479 88 78
>>>
>>> On 10/03/2013 05:06 PM, Einav Cohen wrote:
>>>> AFAIK, a user cannot create a VM that is associated with one (or more)
>>>> quota objects on which he doesn't
>>>> have consumer permissions.
>>>> i.e. if the VM was created successfully by the user, and this VM is
>>>> associated with TemplateQuota, and
>>>> with the quota that has been created for the user (let's call it
>>>> UserQuota), it means that the user has
>>>> consumer permissions on both TemplateQuota and UserQuota.
>>>> If the user doesn't have permissions on one of these Quota objects - the
>>>> fact that the VM has been created
>>>> successfully sounds like a bug to me.
>>>>
>>>> ----
>>>> Thanks,
>>>> Einav
>>>>
>>>> ----- Original Message -----
>>>>> From: "Mitja Mihelič" <mitja.mihelic at arnes.si>
>>>>> To: users at ovirt.org
>>>>> Sent: Thursday, October 3, 2013 9:59:06 AM
>>>>> Subject: [Users] Quota for VMs created from templates
>>>>>
>>>>> Hi!
>>>>>
>>>>> We are running engine version 3.3.0 on CentOS6 and we have come across a
>>>>> problem, possibly a bug.
>>>>> When a user creates a VM from a template, the template's quota is
>>>>> assigned to the VM.
>>>>>
>>>>> Here is the setup:
>>>>> - quota is set to Enforced on the data center
>>>>> - quota is created for template purposes (TemplateQuota)
>>>>> - a template is created from a sealed VM with TemplateQuota assigned to
>>>>> it
>>>>> - quota is created for a user, the user is set as its consumer
>>>>> - the user creates a VM from the mentioned template and leaves the quota
>>>>> unchanged
>>>>> - the created VM consumes the user's storage quota but does not consume
>>>>> their memory and CPU quota
>>>>>
>>>>> This way a user can create and run an arbitrary number of VMs as long
>>>>> they stay within their storage quota.
>>>>> No errors are reported in the logs.
>>>>>
>>>>> Kind regards,
>>>>> Mitja Mihelic
>>>>>
>>>>> --
>>>>> --
>>>>> Mitja Mihelič
>>>>> ARNES, Tehnološki park 18, p.p. 7, SI-1001 Ljubljana, Slovenia
>>>>> tel: +386 1 479 8877, fax: +386 1 479 88 78
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Users mailing list
>>>>> Users at ovirt.org
>>>>> http://lists.ovirt.org/mailman/listinfo/users
>>>>>
>>>
>>> _______________________________________________
>>> Users mailing list
>>> Users at ovirt.org
>>> http://lists.ovirt.org/mailman/listinfo/users
>>>

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