[Openstack-operators] Does anyone copy images between multiple glance instances?

Scott Devoid devoid at anl.gov
Tue May 20 21:41:47 UTC 2014

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.

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

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]

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.

Thank you in advance for the help,
~ Scott

[1] http://developer.openstack.org/api-ref-identity-v2.html
[2] https://bugs.launchpad.net/glance/+bug/942118
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