def _configure(self, dev, size, wwn, buffered_mode):
self._check_self()
rdev = os.path.realpath(dev)
if not os.path.isdir(os.path.dirname(rdev)):
raise RTSLibError("The dev parameter must be a path to a "
+ "file inside an existing directory, "
+ "not %s." % str(os.path.dirname(dev)))
if os.path.isdir(rdev):
raise RTSLibError("The dev parameter must be a path to a "
+ "file or block device not a directory:"
+ "%s." % dev)
block_type = get_block_type(rdev)
if block_type is None and not is_disk_partition(rdev):
if os.path.exists(rdev) and not os.path.isfile(dev):
raise RTSLibError("Device %s is neither a file, " % dev
+ "a disk partition or a block device.")
# It is a file
if size is None:
raise RTSLibError("The size parameter is mandatory "
+ "when using a file.")
size = convert_human_to_bytes(size)
self._control("fd_dev_name=%s,fd_dev_size=%d" % (dev, size))
else:
# it is a block device or a disk partition
if size is not None:
raise RTSLibError("You cannot specify a size for a "
+ "block device.")
if block_type != 0 and block_type is not None:
raise RTSLibError("Device %s is a block device, " % dev
+ "but not of TYPE_DISK.")
if is_dev_in_use(rdev):
raise RTSLibError("Cannot configure StorageObject "
+ "because device "
+ "%s is already in use." % dev)
if is_disk_partition(rdev):
size = get_disk_size(rdev)
print "fd_dev_name=%s,fd_dev_size=%d" % (dev, size)
self._control("fd_dev_name=%s,fd_dev_size=%d" % (dev, size))
else:
self._control("fd_dev_name=%s" % dev)
self._set_udev_path(dev)
if buffered_mode:
self._set_buffered_mode()
self._enable()
if wwn:
self.wwn = generate_wwn('unit_serial')
def _configure(self, dev, size, wwn, buffered_mode):
self._check_self()
rdev = os.path.realpath(dev)
if not os.path.isdir(os.path.dirname(rdev)):
raise RTSLibError("The dev parameter must be a path to a " +
"file inside an existing directory, " +
"not %s." % str(os.path.dirname(dev)))
if os.path.isdir(rdev):
raise RTSLibError("The dev parameter must be a path to a " +
"file or block device not a directory:" +
"%s." % dev)
block_type = get_block_type(rdev)
if block_type is None and not is_disk_partition(rdev):
if os.path.exists(rdev) and not os.path.isfile(dev):
raise RTSLibError("Device %s is neither a file, " % dev +
"a disk partition or a block device.")
# It is a file
if size is None:
raise RTSLibError("The size parameter is mandatory " +
"when using a file.")
size = convert_human_to_bytes(size)
self._control("fd_dev_name=%s,fd_dev_size=%d" % (dev, size))
else:
# it is a block device or a disk partition
if size is not None:
raise RTSLibError("You cannot specify a size for a " +
"block device.")
if block_type != 0 and block_type is not None:
raise RTSLibError("Device %s is a block device, " % dev +
"but not of TYPE_DISK.")
if is_dev_in_use(rdev):
raise RTSLibError("Cannot configure StorageObject " +
"because device " +
"%s is already in use." % dev)
if is_disk_partition(rdev):
size = get_disk_size(rdev)
self._control("fd_dev_name=%s,fd_dev_size=%d" % (dev, size))
else:
self._control("fd_dev_name=%s" % dev)
self._set_udev_path(dev)
if buffered_mode:
self._set_buffered_mode()
self._enable()
if wwn:
self.wwn = generate_wwn('unit_serial')
def _configure(self, dev, wwn):
self._check_self()
if get_block_type(dev) != 0:
raise RTSLibError("Device is not a TYPE_DISK block device.")
if is_dev_in_use(dev):
raise RTSLibError("Cannot configure StorageObject because "
+ "device %s is already in use." % dev)
self._set_udev_path(dev)
if self._backstore.version.startswith("v3."):
# For 3.x, use the fd method
file_fd = os.open(dev, os.O_RDWR)
try:
self._write_fd(file_fd)
finally:
os.close(file_fd)
else:
# For 4.x and above, use the generic udev_path method
self._control("udev_path=%s" % dev)
self._enable()
if wwn:
self.wwn = generate_wwn('unit_serial')
def _configure(self, dev, wwn):
self._check_self()
if get_block_type(dev) != 0:
raise RTSLibError("Device is not a TYPE_DISK block device.")
if is_dev_in_use(dev):
raise RTSLibError("Cannot configure StorageObject because " +
"device %s is already in use." % dev)
self._set_udev_path(dev)
if self._backstore.version.startswith("v3."):
# For 3.x, use the fd method
file_fd = os.open(dev, os.O_RDWR)
try:
self._write_fd(file_fd)
finally:
os.close(file_fd)
else:
# For 4.x and above, use the generic udev_path method
self._control("udev_path=%s" % dev)
self._enable()
if wwn:
self.wwn = generate_wwn('unit_serial')
