xing-yang 325f99a64a Add group snapshots - db and objects
This is the third patch that implements the generic-volume-group
bluerpint. It adds database and object changes in order to support
group snapshots and create group from source. The API changes will
be added in the next patch.

This patch depends on the second patch which adds create/delete/update
groups support which was already merged:
    https://review.openstack.org/#/c/322459/

The next patch to add volume manager changes is here:
    https://review.openstack.org/#/c/361376/

Partial-Implements: blueprint generic-volume-group
Change-Id: I2d11efe38af80d2eb025afbbab1ce8e6a269f83f
2016-07-18 22:19:10 -04:00
..
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