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<p class="MsoNormal"><span style="color:#1F497D">Hi Zhipeng,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Some initial thoughts below…<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Gerry<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Liu, ZhipengS [mailto:zhipengs.liu@intel.com]
<br>
<b>Sent:</b> Tuesday, May 28, 2019 10:07 AM<br>
<b>To:</b> Kopec, Gerald (Gerry)<br>
<b>Cc:</b> starlingx-discuss@lists.starlingx.io<br>
<b>Subject:</b> [Starlingx-discuss] About task of integrating containerized Nova Placement into StarlingX<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hi Gerry,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I'm working on the task of integrating containerized Nova Placement into StarlingX<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><a href="https://storyboard.openstack.org/#!/story/2005750">https://storyboard.openstack.org/#!/story/2005750</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I really need your guide for the task. <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I already had high level understanding for the task.<o:p></o:p></p>
<p class="MsoNormal">It should include below steps:<o:p></o:p></p>
<p class="MsoNormal">1) Create new container image for Placement
<o:p></o:p></p>
<p class="MsoNormal">https://review.opendev.org/#/c/661679 Done <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">2) Add Helm Chart related yaml configuration for Placement(need time for detail digest)<o:p></o:p></p>
<p class="MsoNormal">Need to move related configuration out of Nova, and add some new configurations
<o:p></o:p></p>
<p class="MsoNormal">Now, I'm Working on the patch of adding chart for placement<o:p></o:p></p>
<p class="MsoNormal">Created below folder<o:p></o:p></p>
<p class="MsoNormal">stx-config/kubernetes/applications/stx-openstack/stx-openstack-helm/stx-openstack-helm/openstack-placement<o:p></o:p></p>
<p class="MsoNormal">Then I will create related chart yaml files. I mainly refer to the ones in openstack-helm/nova/<o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">[GK] Don’t think this should go in starlingx. Should be with openstack-helm. Looks like you’ve got that started with
<a href="https://review.opendev.org/#/c/662229/">https://review.opendev.org/#/c/662229/</a>. It would be based on what is in openstack-helm/nova related to placement.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">For initial deployment within starlingx, you’ll probably have to add a patch with your changes to:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">stx-upstream/openstack/openstack-helm/files/<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal">3) Start placement container in controller and make sure placement service started successfully.<o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">[GK] You’ll need to add placement to the armada manifest so it will get started on stx-openstack application-apply. I would assume it would go with the compute-kit. See:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">stx-config/kubernetes/applications/stx-openstack/stx-openstack-helm/stx-openstack-helm/manifests/manifest.yaml<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Also you’ll need to setup up dynamic overrides for placement in sysinv/helm, see nova example:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">stx-config/sysinv/sysinv/sysinv/sysinv/helm/nova.py<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Placement needs to be included in sysinv generated helm override yaml files and provided as input to armada on application-apply.<o:p></o:p></span></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">4) Do related modification for current Nova yaml file. <o:p>
</o:p></p>
<p class="MsoNormal"> One patch for modifying chart for nova.
<o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">[GK] I’m hoping it’s possible to turn off the placement capability in openstack-helm/nova via overrides, but maybe a openstack-helm nova chart change will be required.<o:p></o:p></span></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">5) Integrate to starlingx and start separate container. Debug and Sanity test.
<o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">[GK] You’ll also need to include the placement helm chart in the build helm chart tarball.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal">It should be OK to finish related patches in next 3 weeks.<o:p></o:p></p>
<p class="MsoNormal">But for code review/merge, it may have some risk.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Your comments are appreciated!<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks!<o:p></o:p></p>
<p class="MsoNormal">Zhipeng<o:p></o:p></p>
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