<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">What I was doing was to replicate the glance database across sites. This has pros and cons.<div><br></div><div>Pro</div><div>Same glance UUID’s everywhere</div><div>One-stop updating of images</div><div><br></div><div>Cons</div><div>Requires db replication (we already had it in place)</div><div>initial caching of images is subject to your bandwidth between sites (image_locations table) - This can be mitigated with things like swift container sync</div><div><br><div><div>On May 20, 2014, at 2:41 PM, Scott Devoid <<a href="mailto:devoid@anl.gov">devoid@anl.gov</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div dir="ltr">We have two glance instances in separate deployments (an essex deployment and a havana deployment) and we would like to synchronize images between the two.<div><br></div><div>Uploading the raw image data works fine with either the command line or the API, but making the metadata consistent is quite difficult. In the essex API I can't even find container_format or disk_format reported in the instance.</div>
<div><br></div><div>I also can't find a way with the client to affix the snapshot metadata on the Havana side other than through a direct HTTP PATCH request, and it is not very clear what headers that request is expecting. [1]</div>
<div><br></div><div>Another thought I had, since both instances of glance are using the Filesystem store (w/ separate NFS deployments) was to simply use the existing NFS in essex and inform the havana glance about the existence of an image through the --location tag. However this is intentionally blocked. [2]</div>
<div><br></div><div>Thank you in advance for the help,</div><div>~ Scott</div><div><br></div><div>[1] <a href="http://developer.openstack.org/api-ref-identity-v2.html">http://developer.openstack.org/api-ref-identity-v2.html</a></div>
<div>[2] <a href="https://bugs.launchpad.net/glance/+bug/942118">https://bugs.launchpad.net/glance/+bug/942118</a></div><div><br></div><div><br></div></div>
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