def partition_is(dev):
"""
Check whether a given device path is a partition or a full disk.
CLI Example:
.. code-block:: bash
salt '*' sesceph.partition_is /dev/sdc1
"""
osdc = osd.osd_ctrl()
return osdc.is_partition(dev)
def partition_is(dev):
"""
Check whether a given device path is a partition or a full disk.
CLI Example:
.. code-block:: bash
salt '*' sesceph.partition_is /dev/sdc1
"""
mdl = model.model(**kwargs)
osdc = osd.osd_ctrl(mdl)
return osdc.is_partition(dev)
def zap(dev = None, **kwargs):
"""
Destroy the partition table and content of a given disk.
"""
if dev is not None:
log.warning("Depricated use of function, use kwargs")
dev = kwargs.get("dev", dev)
if dev == None:
raise Error('Cannot find', dev)
if not os.path.exists(dev):
raise Error('Cannot find', dev)
dmode = os.stat(dev).st_mode
mdl = model.model(**kwargs)
osdc = osd.osd_ctrl(mdl)
if not stat.S_ISBLK(dmode) or osdc.is_partition(dev):
raise Error('not full block device; cannot zap', dev)
try:
log.debug('Zapping partition table on %s', dev)
# try to wipe out any GPT partition table backups. sgdisk
# isn't too thorough.
lba_size = 4096
size = 33 * lba_size
with file(dev, 'wb') as dev_file:
dev_file.seek(-size, os.SEEK_END)
dev_file.write(size*'\0')
utils.execute_local_command(
[
util_which.which_sgdisk.path,
'--zap-all',
'--',
dev,
],
)
utils.execute_local_command(
[
util_which.which_sgdisk.path,
'--clear',
'--mbrtogpt',
'--',
dev,
],
)
_update_partition('-d', dev, 'zapped')
except subprocess.CalledProcessError as e:
raise Error(e)
return True
def zap(dev=None, **kwargs):
"""
Destroy the partition table and content of a given disk.
"""
if dev is not None:
log.warning("Depricated use of function, use kwargs")
dev = kwargs.get("dev", dev)
if dev == None:
raise Error('Cannot find', dev)
if not os.path.exists(dev):
raise Error('Cannot find', dev)
dmode = os.stat(dev).st_mode
mdl = model.model(**kwargs)
osdc = osd.osd_ctrl(mdl)
if not stat.S_ISBLK(dmode) or osdc.is_partition(dev):
raise Error('not full block device; cannot zap', dev)
try:
log.debug('Zapping partition table on %s', dev)
# try to wipe out any GPT partition table backups. sgdisk
# isn't too thorough.
lba_size = 4096
size = 33 * lba_size
with file(dev, 'wb') as dev_file:
dev_file.seek(-size, os.SEEK_END)
dev_file.write(size * '\0')
utils.execute_local_command([
constants._path_sgdisk,
'--zap-all',
'--',
dev,
], )
utils.execute_local_command([
constants._path_sgdisk,
'--clear',
'--mbrtogpt',
'--',
dev,
], )
_update_partition('-d', dev, 'zapped')
except subprocess.CalledProcessError as e:
raise Error(e)
return True
def zap(dev):
"""
Destroy the partition table and content of a given disk.
"""
dmode = os.stat(dev).st_mode
osdc = osd.osd_ctrl()
if not stat.S_ISBLK(dmode) or osdc.is_partition(dev):
raise Error('not full block device; cannot zap', dev)
try:
log.debug('Zapping partition table on %s', dev)
# try to wipe out any GPT partition table backups. sgdisk
# isn't too thorough.
lba_size = 4096
size = 33 * lba_size
with file(dev, 'wb') as dev_file:
dev_file.seek(-size, os.SEEK_END)
dev_file.write(size*'\0')
utils.execute_local_command(
[
constants._path_sgdisk,
'--zap-all',
'--',
dev,
],
)
utils.execute_local_command(
[
constants._path_sgdisk,
'--clear',
'--mbrtogpt',
'--',
dev,
],
)
_update_partition('-d', dev, 'zapped')
except subprocess.CalledProcessError as e:
raise Error(e)
return True
