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<p class="MsoNormal">Hi Sean,<o:p></o:p></p>
<p class="MsoNormal">we are looking into testing online schema migrations in keystone.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The idea is to run grenade with multinode support, but it would be something different than the current implementation.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Currently, the two nodes which are started run with different roles, one is a controller the other is a compute.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Keystone is just one service, but we want to run a test, in which it is setup in HA – two services running at different versions, using the same DB.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">They could be joined by running HAProxy in round-robin mode on one of the nodes. We could then run tempest against the HAProxy endpoint.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Can you help me with the implementation or give some pointers on where to make the change?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Specifically, do you think a new DEVSTACK_GATE_GRENADE or a new DEVSTACK_GATE_TOPOLOGY would be needed?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">/ Greg<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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