From 6364df4cbd33a20ea1c729e0031b1aebd3fcd6df Mon Sep 17 00:00:00 2001
From: Huanxuan Ao <huanxuan.ao@easystack.cn>
Date: Thu, 30 Jun 2016 15:06:58 +0800
Subject: Add "--snapshot" option to "backup create" command in volumev2

Add "--snapshot" option to "backup create" command to support
backing up a snapshot.

Change-Id: Ibecbf1902599875f422d372d529835f73211d3ec
Closes-Bug: #1597184
---
 openstackclient/volume/v2/backup.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'openstackclient/volume/v2')

diff --git a/openstackclient/volume/v2/backup.py b/openstackclient/volume/v2/backup.py
index 519913a9..a8da4080 100644
--- a/openstackclient/volume/v2/backup.py
+++ b/openstackclient/volume/v2/backup.py
@@ -48,6 +48,11 @@ class CreateBackup(command.ShowOne):
             metavar="<container>",
             help=_("Optional backup container name")
         )
+        parser.add_argument(
+            "--snapshot",
+            metavar="<snapshot>",
+            help=_("Snapshot to backup (name or ID)")
+        )
         parser.add_argument(
             '--force',
             action='store_true',
@@ -60,12 +65,17 @@ class CreateBackup(command.ShowOne):
         volume_client = self.app.client_manager.volume
         volume_id = utils.find_resource(
             volume_client.volumes, parsed_args.volume).id
+        snapshot_id = None
+        if parsed_args.snapshot:
+            snapshot_id = utils.find_resource(
+                volume_client.volume_snapshots, parsed_args.snapshot).id
         backup = volume_client.backups.create(
             volume_id,
             container=parsed_args.container,
             name=parsed_args.name,
             description=parsed_args.description,
             force=parsed_args.force,
+            snapshot_id=snapshot_id,
         )
         backup._info.pop("links", None)
         return zip(*sorted(six.iteritems(backup._info)))
-- 
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