Add support for creating a Sheepdog snapshot.

1 files changed, 10 insertions, 0 deletions

diff --git a/nova/volume/driver.py b/nova/volume/driver.py
index 31998e307..ba0a7efef 100644
--- a/nova/volume/driver.py
+++ b/nova/volume/driver.py
@@ -620,6 +620,16 @@ class SheepdogDriver(VolumeDriver):
         """Deletes a logical volume"""
         self._try_execute('collie', 'vdi', 'delete', volume['name'])
 
+    def create_snapshot(self, snapshot):
+        """Creates a sheepdog snapshot"""
+        self._try_execute('qemu-img', 'snapshot', '-c', snapshot['name'],
+                          "sheepdog:%s" % snapshot['volume_name'])
+
+    def delete_snapshot(self, snapshot):
+        """Deletes a sheepdog snapshot"""
+        self._try_execute('collie', 'vdi', 'delete', snapshot['volume_name'],
+                          '-s', snapshot['name'])
+
     def local_path(self, volume):
         return "sheepdog:%s" % volume['name']