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<p class="MsoNormal">Hi this is an update on where I am with my poc of creating a bifost container for kolla.<o:p></o:p></p>
<p class="MsoNormal">As of Wednesday evening I have reached my v0 poc goal<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">That goal was to demonstrate it was easy bifrost in a container with little to know changes.<o:p></o:p></p>
<p class="MsoNormal">This is further broken down as follows.<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Create poc patch to split bifrost ironic install role into install, bootstrap and start phases<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Use kolla build.py to build a container with all bifrost/ironic dependences installed by running<br>
bifrost install phase as part of the docker build<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Spawn an instance of the resulting container then bootstrap and start ironic by running bifrost install playbook with only the bootstrap and run phases enabled<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Enroll a physical node using the enroll-dynamic playbook<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Deploy the default OS image to the physical node using the deploy-dynamic playbook
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The attached file assume basic knowledge of how to build images with kola and documents how the command I
<o:p></o:p></p>
<p class="MsoNormal">Ran to preform this poc.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Limitations of v0:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l1 level1 lfo2"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Only tested with centos source build<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l1 level1 lfo2"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Fat container. Uses systemd as an init system in the container. (yes this works fine)<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l1 level1 lfo2"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Requires privileged (required for networking and mounting loopback devices)<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l1 level1 lfo2"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Requires net=host (as an infrastructure container on the undercloud this shold be ok)<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l1 level1 lfo2"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Requires /sys/fs/cgroups to be bind mounted for systemd<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l1 level1 lfo2"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Requires /dev to be bind mounted to allow building of Baremetal image<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l1 level1 lfo2"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>No integration with kola deploy playbooks or script to automate deployment (fix in v1)<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l1 level1 lfo2"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>No support for external config (fix in v1)<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l1 level1 lfo2"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>I wrote it in 12-18 hours so no comments or docs except the attachment<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l1 level1 lfo2"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Ironic service done restart automatically on restarting container.( rerun install playbook with skip_boostrap=true and skip_install=true to fix)<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Next steps:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Define scope of v1<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l2 level1 lfo3"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Should I open a blueprint/spec/bug in kolla and or bifrost?<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l2 level1 lfo3"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Kolla spec to cover container and ansible integration (<a href="https://github.com/SeanMooney/kolla/commit/bbbfc573dcd8e20ad912dedeecc0b3994832925f">https://github.com/SeanMooney/kolla/commit/bbbfc573dcd8e20ad912dedeecc0b3994832925f</a>)<o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:72.0pt;text-indent:-18.0pt;mso-list:l2 level2 lfo3">
<![if !supportLists]><span style="font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Support builds of bifrost container both source and binary with all 4 base OS<o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:72.0pt;text-indent:-18.0pt;mso-list:l2 level2 lfo3">
<![if !supportLists]><span style="font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Support baremetal image customization via external config. (os,packages) and bring your own model to supply your own image.<o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:72.0pt;text-indent:-18.0pt;mso-list:l2 level2 lfo3">
<![if !supportLists]><span style="font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Integrate with kolla deploy playbooks.<o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:72.0pt;text-indent:-18.0pt;mso-list:l2 level2 lfo3">
<![if !supportLists]><span style="font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Add bifrost.rst to kolla docs <o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:72.0pt;text-indent:-18.0pt;mso-list:l2 level2 lfo3">
<![if !supportLists]><span style="font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Thin containers or supervisord as a v2<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l2 level1 lfo3"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Bifrost spec to cover ironic install decomposition (<a href="https://github.com/SeanMooney/bifrost/commit/e223f4fe73871b76ce87999470a1efc43862671e">https://github.com/SeanMooney/bifrost/commit/e223f4fe73871b76ce87999470a1efc43862671e</a>)<o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:72.0pt;text-indent:-18.0pt;mso-list:l2 level2 lfo3">
<![if !supportLists]><span style="font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Split install ironic playbook into 3 phases (install,bootstarp,start)<o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:108.0pt;text-indent:-18.0pt;mso-list:l2 level3 lfo3">
<![if !supportLists]><span style="font-family:Wingdings"><span style="mso-list:Ignore">§<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>possible solutions. Skip_* as in poc, separate roles or tags<o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:72.0pt;text-indent:-18.0pt;mso-list:l2 level2 lfo3">
<![if !supportLists]><span style="font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Replace use of sed for fixing hostname as it fails in a container
<br>
(<a href="https://github.com/openstack/bifrost/blob/master/playbooks/roles/bifrost-ironic-install/tasks/main.yml#L117-L123">https://github.com/openstack/bifrost/blob/master/playbooks/roles/bifrost-ironic-install/tasks/main.yml#L117-L123</a>)<o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:72.0pt;text-indent:-18.0pt;mso-list:l2 level2 lfo3">
<![if !supportLists]><span style="font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Introduce install_dib to control if disk image build is installed of checking if the image should be built.<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l2 level1 lfo3"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Testing: kolla ci job? Test in bifrost ci?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">So this is the point I pause for feedback:<o:p></o:p></p>
<p class="MsoNormal">Does this sound like a reasonable next step?<o:p></o:p></p>
<p class="MsoNormal">Am I going in the wrong direction with this?<o:p></o:p></p>
<p class="MsoNormal">If I create spec or when I submit the code for review would anyone in particular like me to add them as reviewers?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Regards<o:p></o:p></p>
<p class="MsoNormal">Seán<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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