ceph-volume: allow creating empty VolumeGroup objects

Signed-off-by: Rishabh Dave <ridave@redhat.com>
(cherry picked from commit 2dc4f7de96e51c8117b719640ec4c09388a1412e)

diff --git a/src/ceph-volume/ceph_volume/api/lvm.py b/src/ceph-volume/ceph_volume/api/lvm.py
index 92ac2c2283db0b87ce405a9ee5243e04594f13f0..016fa4cb565ec05698d2c455cd0dba1cd053a878 100644 (file)
--- a/src/ceph-volume/ceph_volume/api/lvm.py
+++ b/src/ceph-volume/ceph_volume/api/lvm.py
@@ -708,8 +708,9 @@ class VolumeGroups(list):
     to filter them via keyword arguments.
     """
 
-    def __init__(self):
-        self._populate()
+    def __init__(self, populate=True):
+        if populate:
+            self._populate()
 
     def _populate(self):
         # get all the vgs in the current system