Former patchs add some volume v2 only options for backup but
miss "Volume version 2 only" message. This patch adds them.
Change-Id: Id50db25617776b6ee0d0ad6b4b82bd443b940343
Add '--force' option to 'backup delete' command in
volumev2 (v2 only) to allow delete in state other
than error or available.
Change-Id: I661ea0d465db227e374cbacdde0206fa1a6dd3d5
Closes-Bug: #1597188
Add "--snapshot" option to "backup create" command to support
backing up a snapshot.
Change-Id: Ibecbf1902599875f422d372d529835f73211d3ec
Closes-Bug: #1597184
Tested "find_resulce()" can find a backup by name or ID.
But some help messages and doc were "ID only", this patch
modify them.
Change-Id: I22dcc3a0b40f2bafabb6d26498158e2468037312
Cinder V2 API supports creating volume backup with "--force"
option. However, OSC doesn't support this argument. So this
patch add the "--force" option to allow users to back up a
in-use volume.
Change-Id: I326f8d6172b2830da4cf1317348af50142cc5490
Closes-Bug: #1596443