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<div style="direction: ltr;font-family: Tahoma;color: #000000;font-size: 10pt;"><font color="black" face="Tahoma" size="2"><span style="font-size:10pt;" dir="ltr">Hello,<br>
I'd like to request a feature freeze exception for the change,<br>
<a href="https://review.openstack.org/#/c/149828/" target="_blank">https://review.openstack.org/#/c/149828/</a><br>
This change implements NestedQuotaDriver that does the quota management in nested projects.<font color="blue"><u><br>
</u></font><font color="blue"><u><br>
</u></font><font color="blue"> </font>The specs has been merged :<font color="blue"><u> https://review.openstack.org/#/c/129420/</u></font><font color="blue"><u><br>
</u></font><br>
The blueprint was approved.<br>
<a href="https://blueprints.launchpad.net/nova/+spec/nested-quota-driver-api" target="_blank">
https://blueprints.launchpad.net/nova/+spec/nested-quota-driver-api</a><br>
<br>
But due to Feature Freeze,its status was changed to "Pending Approval" .<br>
<br>
Keystone already supports nested projects. This change implements the quota management of those nested projects. Without this change(NestedQuotaDriver), Nova will not be able to support nested projects,even if they exist in keystone.NestedQuotaDriver is made
by adding nested quota functionality to the existing DbQuotaDriver. It is a superset of DbQuotaDriver and its supports one to N levels of projects.That is,it can support nested as well as non-nested projects.
<br>
<br>
The implementation of NestedQuotaDriver is over and the code is under review. All the use cases mentioned in the blue print have been implemented. It is supposed to become the default quota driver of nova.To avoid any potential risks,it can be deployed as an
optional driver in the current release(Kilo) and can be made default in the next release(L).<br>
<br>
Kindly grant freeze exception for the change.Nested projects are very important for large organizations like CERN who are waiting for this code to get merged in Kilo.Yahoo also has expressed keen interest in this feature.<br>
<br>
best regards<br>
sajeesh<br>
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