openstack/charm-cinder
Code Issues Proposed changes

Specialise zap_disk for lvm usage

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This commit is contained in:
James Page
2014-04-14 13:17:12 +01:00
parent 76579cd3b9
commit 94d694b270
2 changed files with 20 additions and 7 deletions
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12
hooks/cinder_utils.py
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@@ -319,6 +319,16 @@ def configure_lvm_storage(block_devices, volume_group, overwrite=False):
extend_lvm_volume_group(volume_group, new_device)
def lvm_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.
'''
subprocess.check_call(['sgdisk', '--zap-all', block_device])
def clean_storage(block_device):
'''Ensures a block device is clean. That is:
- unmounted
@@ -338,7 +348,7 @@ def clean_storage(block_device):
deactivate_lvm_volume_group(block_device)
remove_lvm_physical_volume(block_device)
zap_disk(block_device)
lvm_zap_disk(block_device)
def _parse_block_device(block_device):