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<span style="font-size:10.0pt;font-family:"Segoe UI","sans-serif";color:black">-Need a little guidance with Mirantis version of OpenStack.
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<span style="font-size:10.0pt;font-family:"Segoe UI","sans-serif";color:black">We want move freshly deployed cloud, without running instances but with HA option to other physical location.
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<span style="font-size:10.0pt;font-family:"Segoe UI","sans-serif";color:black">The other location means different ranges of public network. And I really want move my installation without cloud redeployment.</span><o:p></o:p></p>
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<span style="font-size:10.0pt;font-family:"Segoe UI","sans-serif";color:black">What I think is required to change is public network settings. The public network settings can be divided in two different areas:</span><o:p></o:p></p>
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<span style="font-size:10.0pt;font-family:"Segoe UI","sans-serif";color:black">1) Floating ip range for external access to running VM instances</span><o:p></o:p></p>
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<span style="font-size:10.0pt;font-family:"Segoe UI","sans-serif";color:black">2) Fuel reserved pool for service endpoints (virtual ips and staticly assigned ips)</span><o:p></o:p></p>
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<span style="font-size:10.0pt;font-family:"Segoe UI","sans-serif";color:black">The first one 1) I believe but I haven't tested that _is not a problem_ but any insight will be invaluable.</span><o:p></o:p></p>
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<span style="font-size:10.0pt;font-family:"Segoe UI","sans-serif";color:black">I think it would be possible change to floating network ranges, as an admin in OpenStack itself. I will just add another "network" as external network.</span><o:p></o:p></p>
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<span style="font-size:10.0pt;font-family:"Segoe UI","sans-serif";color:black"> </span><o:p></o:p></p>
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<span style="font-size:10.0pt;font-family:"Segoe UI","sans-serif";color:black">But the second issue 2) is I am worried about. What I found the virtual ips (vip) are assigned to one of controller (primary role of HA)</span><o:p></o:p></p>
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<span style="font-size:10.0pt;font-family:"Segoe UI","sans-serif";color:black">and written in haproxy/pacemaker configuration. To allow access from public network by this ips I would probably need
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<span style="font-size:10.0pt;font-family:"Segoe UI","sans-serif";color:black">to reconfigure all HA support services which have hardcoded vips in its configuration files, but it looks very complicated and fragile.</span><o:p></o:p></p>
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<span style="font-size:10.0pt;font-family:"Segoe UI","sans-serif";color:black">I have even found that public_vip is used in nova.conf (to get access to glance). So the relocation will require reconfiguration of nova and maybe other openstack services.</span><o:p></o:p></p>
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<span style="font-size:10.0pt;font-family:"Segoe UI","sans-serif";color:black">In the case of KeyStone it would be a real problem (ips are stored in database).</span><o:p></o:p></p>
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<span style="font-size:10.0pt;font-family:"Segoe UI","sans-serif";color:black">Has someone any experience with this kind of scenario and would be kind to share it ? Please help.</span><o:p></o:p></p>
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<span style="font-size:10.0pt;font-family:"Segoe UI","sans-serif";color:black">I have used Fuel 6.0 technical preview.<o:p></o:p></span></p>
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<span style="font-size:10.0pt;font-family:"Segoe UI","sans-serif";color:black"><o:p> </o:p></span></p>
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Pawel Skowron<o:p></o:p></p>
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<a href="mailto:pawel.skowron@intel.com">pawel.skowron@intel.com</a><o:p></o:p></p>
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