From: Alfredo Deza <adeza@redhat.com>
Date: Thu, 23 Aug 2018 12:35:02 +0000 (-0400)
Subject: ceph-volume api.lvm new utility to extend a volume group for one or more devices
X-Git-Tag: v12.2.8~5^2~13
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=fe66ec44d693a0299b8e5c9d36d2ca5e0916ea4e;p=ceph.git

ceph-volume api.lvm new utility to extend a volume group for one or more devices

Signed-off-by: Alfredo Deza <adeza@redhat.com>
(cherry picked from commit 21df60294977f4dd2dab218df77a04b326fd8b19)
---

diff --git a/src/ceph-volume/ceph_volume/api/lvm.py b/src/ceph-volume/ceph_volume/api/lvm.py
index 414f0a7eac17..e766671b3238 100644
--- a/src/ceph-volume/ceph_volume/api/lvm.py
+++ b/src/ceph-volume/ceph_volume/api/lvm.py
@@ -434,6 +434,31 @@ def create_vg(devices, name=None, name_prefix=None):
     return vg
 
 
+def extend_vg(vg, devices):
+    """
+    Extend a Volume Group. Command looks like::
+
+        vgextend --force --yes group_name [device, ...]
+
+    Once created the volume group is extended and returned as a ``VolumeGroup`` object
+
+    :param vg: A VolumeGroup object
+    :param devices: A list of devices to extend the VG. Optionally, a single
+                    device (as a string) can be used.
+    """
+    if not isinstance(devices, list):
+        devices = [devices]
+    process.run([
+        'vgextend',
+        '--force',
+        '--yes',
+        vg.name] + devices
+    )
+
+    vg = get_vg(vg_name=vg.name)
+    return vg
+
+
 def remove_vg(vg_name):
     """
     Removes a volume group.