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-rw-r--r--charms/trusty/contrail-control/hooks/charmhelpers/contrib/storage/linux/utils.py71
1 files changed, 0 insertions, 71 deletions
diff --git a/charms/trusty/contrail-control/hooks/charmhelpers/contrib/storage/linux/utils.py b/charms/trusty/contrail-control/hooks/charmhelpers/contrib/storage/linux/utils.py
deleted file mode 100644
index 1e57941..0000000
--- a/charms/trusty/contrail-control/hooks/charmhelpers/contrib/storage/linux/utils.py
+++ /dev/null
@@ -1,71 +0,0 @@
-# Copyright 2014-2015 Canonical Limited.
-#
-# This file is part of charm-helpers.
-#
-# charm-helpers is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License version 3 as
-# published by the Free Software Foundation.
-#
-# charm-helpers is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public License
-# along with charm-helpers. If not, see <http://www.gnu.org/licenses/>.
-
-import os
-import re
-from stat import S_ISBLK
-
-from subprocess import (
- check_call,
- check_output,
- call
-)
-
-
-def is_block_device(path):
- '''
- Confirm device at path is a valid block device node.
-
- :returns: boolean: True if path is a block device, False if not.
- '''
- if not os.path.exists(path):
- return False
- return S_ISBLK(os.stat(path).st_mode)
-
-
-def zap_disk(block_device):
- '''
- Clear a block device of partition table. Relies on sgdisk, which is
- installed as pat of the 'gdisk' package in Ubuntu.
-
- :param block_device: str: Full path of block device to clean.
- '''
- # https://github.com/ceph/ceph/commit/fdd7f8d83afa25c4e09aaedd90ab93f3b64a677b
- # sometimes sgdisk exits non-zero; this is OK, dd will clean up
- call(['sgdisk', '--zap-all', '--', block_device])
- call(['sgdisk', '--clear', '--mbrtogpt', '--', block_device])
- dev_end = check_output(['blockdev', '--getsz',
- block_device]).decode('UTF-8')
- gpt_end = int(dev_end.split()[0]) - 100
- check_call(['dd', 'if=/dev/zero', 'of=%s' % (block_device),
- 'bs=1M', 'count=1'])
- check_call(['dd', 'if=/dev/zero', 'of=%s' % (block_device),
- 'bs=512', 'count=100', 'seek=%s' % (gpt_end)])
-
-
-def is_device_mounted(device):
- '''Given a device path, return True if that device is mounted, and False
- if it isn't.
-
- :param device: str: Full path of the device to check.
- :returns: boolean: True if the path represents a mounted device, False if
- it doesn't.
- '''
- is_partition = bool(re.search(r".*[0-9]+\b", device))
- out = check_output(['mount']).decode('UTF-8')
- if is_partition:
- return bool(re.search(device + r"\b", out))
- return bool(re.search(device + r"[0-9]*\b", out))