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-rw-r--r--charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/storage/linux/lvm.py103
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diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/storage/linux/lvm.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/storage/linux/lvm.py
deleted file mode 100644
index 4719f53..0000000
--- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/storage/linux/lvm.py
+++ /dev/null
@@ -1,103 +0,0 @@
-# Copyright 2014-2015 Canonical Limited.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-from subprocess import (
- CalledProcessError,
- check_call,
- check_output,
- Popen,
- PIPE,
-)
-
-
-##################################################
-# LVM helpers.
-##################################################
-def deactivate_lvm_volume_group(block_device):
- '''
- Deactivate any volume gruop associated with an LVM physical volume.
-
- :param block_device: str: Full path to LVM physical volume
- '''
- vg = list_lvm_volume_group(block_device)
- if vg:
- cmd = ['vgchange', '-an', vg]
- check_call(cmd)
-
-
-def is_lvm_physical_volume(block_device):
- '''
- Determine whether a block device is initialized as an LVM PV.
-
- :param block_device: str: Full path of block device to inspect.
-
- :returns: boolean: True if block device is a PV, False if not.
- '''
- try:
- check_output(['pvdisplay', block_device])
- return True
- except CalledProcessError:
- return False
-
-
-def remove_lvm_physical_volume(block_device):
- '''
- Remove LVM PV signatures from a given block device.
-
- :param block_device: str: Full path of block device to scrub.
- '''
- p = Popen(['pvremove', '-ff', block_device],
- stdin=PIPE)
- p.communicate(input='y\n')
-
-
-def list_lvm_volume_group(block_device):
- '''
- List LVM volume group associated with a given block device.
-
- Assumes block device is a valid LVM PV.
-
- :param block_device: str: Full path of block device to inspect.
-
- :returns: str: Name of volume group associated with block device or None
- '''
- vg = None
- pvd = check_output(['pvdisplay', block_device]).splitlines()
- for l in pvd:
- l = l.decode('UTF-8')
- if l.strip().startswith('VG Name'):
- vg = ' '.join(l.strip().split()[2:])
- return vg
-
-
-def create_lvm_physical_volume(block_device):
- '''
- Initialize a block device as an LVM physical volume.
-
- :param block_device: str: Full path of block device to initialize.
-
- '''
- check_call(['pvcreate', block_device])
-
-
-def create_lvm_volume_group(volume_group, block_device):
- '''
- Create an LVM volume group backed by a given block device.
-
- Assumes block device has already been initialized as an LVM PV.
-
- :param volume_group: str: Name of volume group to create.
- :block_device: str: Full path of PV-initialized block device.
- '''
- check_call(['vgcreate', volume_group, block_device])