From: Alfredo Deza <adeza@redhat.com>
Date: Tue, 27 Nov 2018 14:45:17 +0000 (-0500)
Subject: ceph-volume util.disk add a helper to remove partitions
X-Git-Tag: v14.1.0~747^2~17
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=870f9e5b48a5fe13e213be86ee8947ca7207c3bf;p=ceph-ci.git

ceph-volume util.disk add a helper to remove partitions

Signed-off-by: Alfredo Deza <adeza@redhat.com>
---

diff --git a/src/ceph-volume/ceph_volume/util/disk.py b/src/ceph-volume/ceph_volume/util/disk.py
index 995a9685649..3179e67b745 100644
--- a/src/ceph-volume/ceph_volume/util/disk.py
+++ b/src/ceph-volume/ceph_volume/util/disk.py
@@ -127,6 +127,23 @@ def get_device_from_partuuid(partuuid):
     return ' '.join(out).strip()
 
 
+def remove_partition(device):
+    """
+    Removes a partition using parted
+
+    :param device: A ``Device()`` object
+    """
+    parent_device = '/dev/%s' % device.disk_api['PKNAME']
+    udev_info = udevadm_property(device.abspath)
+    partition_number = udev_info.get('ID_PART_ENTRY_NUMBER')
+    if not partition_number:
+        raise RuntimeError('Unable to detect the partition number for device: %s' % device_path)
+
+    process.run(
+        ['parted', parent_device, '--script', '--', 'rm', partition_number]
+    )
+
+
 def _stat_is_device(stat_obj):
     """
     Helper function that will interpret ``os.stat`` output directly, so that other