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Vilobh,
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<div class="">Thanks for advancing this important topic. I took a look at what Tim referenced how Nova is implementing nested quotas, and it seems to me that’s something we could fold in as well to our design. Do you agree?</div>
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<div class="">Adrian</div>
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<div class="">On Dec 14, 2015, at 10:22 PM, Tim Bell <<a href="mailto:tim.bell@cern.ch" class="">tim.bell@cern.ch</a>> wrote:</div>
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<span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" class="">Can we have nested project quotas in from the beginning ? Nested projects are in Keystone V3 from Kilo onwards and retrofitting this is hard work.<o:p class=""></o:p></span></div>
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<span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" class=""> </span></div>
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<span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" class="">For details, see the Nova functions at<span class="Apple-converted-space"> </span><a href="https://review.openstack.org/#/c/242626/" style="color: purple; text-decoration: underline;" class="">https://review.openstack.org/#/c/242626/</a>.
Cinder now also has similar functions.<o:p class=""></o:p></span></div>
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<span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" class="">Tim<o:p class=""></o:p></span></div>
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<b class=""><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif;" class="">From:</span></b><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span class="Apple-converted-space"> </span>Vilobh Meshram
[<a href="mailto:vilobhmeshram.openstack@gmail.com" class="">mailto:vilobhmeshram.openstack@gmail.com</a>]<span class="Apple-converted-space"> </span><br class="">
<b class="">Sent:</b><span class="Apple-converted-space"> </span>15 December 2015 01:59<br class="">
<b class="">To:</b><span class="Apple-converted-space"> </span>OpenStack Development Mailing List (not for usage questions) <<a href="mailto:openstack-dev@lists.openstack.org" class="">openstack-dev@lists.openstack.org</a>>; OpenStack Mailing List (not for
usage questions) <<a href="mailto:openstack@lists.openstack.org" class="">openstack@lists.openstack.org</a>><br class="">
<b class="">Subject:</b><span class="Apple-converted-space"> </span>[openstack-dev] [openstack][magnum] Quota for Magnum Resources<o:p class=""></o:p></span></div>
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<o:p class=""> </o:p></div>
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<span style="font-family: Georgia, serif; color: rgb(51, 51, 51);" class="">Hi All,</span><o:p class=""></o:p></div>
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<span style="font-family: Georgia, serif; color: rgb(51, 51, 51);" class=""> </span></div>
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<span style="font-family: Georgia, serif; color: rgb(51, 51, 51);" class="">Currently, it is possible to create unlimited number of resource like bay/pod/service/. In Magnum, there should be a limitation for user or project to create Magnum resource,<br class="">
and the limitation should be configurable[1]. </span><o:p class=""></o:p></div>
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<span style="font-family: Georgia, serif; color: rgb(51, 51, 51);" class="">I proposed following design :-</span><o:p class=""></o:p></div>
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<span style="font-family: Georgia, serif; color: rgb(51, 51, 51);" class="">1. Introduce new table magnum.quotas</span><o:p class=""></o:p></div>
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<span style="font-family: Georgia, serif;" class="">+------------+--------------+------+-----+---------+----------------+</span><o:p class=""></o:p></div>
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<span style="font-family: Georgia, serif;" class="">| Field | Type | Null | Key | Default | Extra |</span><o:p class=""></o:p></div>
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<span style="font-family: Georgia, serif;" class="">+------------+--------------+------+-----+---------+----------------+</span><o:p class=""></o:p></div>
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<span style="font-family: Georgia, serif;" class="">| id | int(11) | NO | PRI | NULL | auto_increment |</span><o:p class=""></o:p></div>
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<span style="font-family: Georgia, serif;" class="">| created_at | datetime | YES | | NULL | |</span><o:p class=""></o:p></div>
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<span style="font-family: Georgia, serif;" class="">| updated_at | datetime | YES | | NULL | |</span><o:p class=""></o:p></div>
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<span style="font-family: Georgia, serif;" class="">| deleted_at | datetime | YES | | NULL | |</span><o:p class=""></o:p></div>
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<span style="font-family: Georgia, serif;" class="">| project_id | varchar(255) | YES | MUL | NULL | |</span><o:p class=""></o:p></div>
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<span style="font-family: Georgia, serif;" class="">| resource | varchar(255) | NO | | NULL | |</span><o:p class=""></o:p></div>
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<span style="font-family: Georgia, serif;" class="">| hard_limit | int(11) | YES | | NULL | |</span><o:p class=""></o:p></div>
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<span style="font-family: Georgia, serif;" class="">| deleted | int(11) | YES | | NULL | |</span><o:p class=""></o:p></div>
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<span style="font-family: Georgia, serif;" class="">+------------+--------------+------+-----+---------+----------------+</span><o:p class=""></o:p></div>
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resource can be Bay, Pod, Containers, etc.<o:p class=""></o:p></div>
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<o:p class=""> </o:p></div>
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2. API controller for quota will be created to make sure basic CLI commands work.<o:p class=""></o:p></div>
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quota-show, quota-delete, quota-create, quota-update<o:p class=""></o:p></div>
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3. When the admin specifies a quota of X number of resources to be created the code should abide by that. For example if hard limit for Bay is 5 (i.e. a project can have maximum 5 Bay's) if a user in a project tries to exceed that hardlimit it won't be allowed.
Similarly goes for other resources. <o:p class=""></o:p></div>
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4. Please note the quota validation only works for resources created via Magnum. Could not think of a way that Magnum to know if a COE specific utilities created a resource in background. One way could be to see the difference between whats stored in magnum.quotas
and the information of the actual resources created for a particular bay in k8s/COE.<o:p class=""></o:p></div>
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5. Introduce a config variable to set quotas values.<o:p class=""></o:p></div>
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If everyone agrees will start the changes by introducing quota restrictions on Bay creation.<o:p class=""></o:p></div>
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Thoughts ??<o:p class=""></o:p></div>
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<o:p class=""> </o:p></div>
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-Vilobh<o:p class=""></o:p></div>
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[1] <a href="https://blueprints.launchpad.net/magnum/+spec/resource-quota" style="color: purple; text-decoration: underline;" class="">https://blueprints.launchpad.net/magnum/+spec/resource-quota</a><o:p class=""></o:p></div>
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