Merge pull request release-engineering#41 from JAVGan/snaps

AWS: Add a warning when the snapshot returns >1

Author: Rohan McGovern

cloudimg/aws.py

@@ -372,6 +372,12 @@ def get_snapshot_by_name(self, name):
 
         if not snapshots:
             return None
+        elif len(snapshots) > 1:
+            snaps = [x['SnapshotId'] for x in snapshots]
+            log.warning(
+                "Filtered more than one snapshot: %s",
+                ", ".join(snaps),
+            )
 
         return self.ec2.Snapshot(snapshots[0]['SnapshotId'])