Add support for manage/unmanage snapshots in HNAS driver

Adding support for manage/unmanage snapshots in Hitachi HNAS
driver. In order to manage a snapshot, the admin should provide the
snapshot size in "--driver-options" parameter.

Also, updating tempest tests for manage/unmanage snapshots to include
the required driver option.

DocImpact
Implements: blueprint hnas-manage-unmanage-snapshot-support

Change-Id: I93e56dda5cbe8d3dbe142d773f93d03a0c126d2f
1 file changed
tree: 493c62bfd48ad6d975abe1df92db75eb251b584e
  1. manila_tempest_tests/