[Openstack] [openstack][nova][glance] Avoid Image Copying

Srujana C P srujana_cp at persistent.co.in
Wed Oct 16 09:58:44 UTC 2013


We have a requirement wherein we will clone an image and register the cloned image into glance from file location using x-image-meta-location. However, file location option has been removed for security reasons.
So, We are planning to include two parameters in glance.conf , which enables file access according to configurable parameter and allow access to specific directories.
For Example:
flag_access = enable/disable

And while booting a vm ,we want to avoid copying the image from glance  to the Hypervisor (_base folder) for performance reasons .
For this, we are planning to add a new parameter in nova conf file based on which we will skip copying image to the Hypervisor and boot from image location which is registered in glance.
For Example:

Any suggestions/thoughts on this would be very helpful.

Srujana C P

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