Revision 5b801534 image_creator/disk.py
| b/image_creator/disk.py | ||
|---|---|---|
| 120 | 120 |
os.close(cowfd) |
| 121 | 121 |
self._add_cleanup(os.unlink, cow) |
| 122 | 122 |
# Create 1G cow sparse file |
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dd('if=/dev/null', 'of=%s' % cow, 'bs=1k', \
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'seek=%d' % (1024 * 1024)) |
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dd('if=/dev/null', 'of=%s' % cow, 'bs=1k', 'seek=%d' % (1024 * 1024))
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| 125 | 124 |
cowdev = self._losetup(cow) |
| 126 | 125 |
|
| 127 | 126 |
snapshot = uuid.uuid4().hex |
| ... | ... | |
| 273 | 272 |
|
| 274 | 273 |
if self.parttype == 'msdos' and last_partition['part_num'] > 4: |
| 275 | 274 |
raise FatalError("This disk contains logical partitions. "
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"Only primary partitions are supported.") |
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"Only primary partitions are supported.")
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| 277 | 276 |
|
| 278 | 277 |
part_dev = "%s%d" % (self.guestfs_device, last_partition['part_num']) |
| 279 | 278 |
fs_type = self.g.vfs_type(part_dev) |
| ... | ... | |
| 299 | 298 |
self.g.part_add(self.guestfs_device, 'p', start, end) |
| 300 | 299 |
|
| 301 | 300 |
self.size = (end + 1) * sector_size |
| 302 |
success("new image size is %dMB" %
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((self.size + 2 ** 20 - 1) // 2 ** 20)) |
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success("new size is %dMB" % ((self.size + 2 ** 20 - 1) // 2 ** 20))
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| 304 | 302 |
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| 305 | 303 |
if self.parttype == 'gpt': |
| 306 | 304 |
ptable = GPTPartitionTable(self.real_device) |
| ... | ... | |
| 318 | 316 |
progress_size = (self.size + 2 ** 20 - 1) // 2 ** 20 # in MB |
| 319 | 317 |
progressbar = progress("Dumping image file: ", 'mb')
|
| 320 | 318 |
progressbar.max = progress_size |
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with open(self.real_device, 'r') as source: |
|
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with open(outfile, "w") as dest: |
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with open(self.real_device, 'r') as src: |
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with open(outfile, "w") as dst: |
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| 323 | 322 |
left = self.size |
| 324 | 323 |
offset = 0 |
| 325 | 324 |
progressbar.next() |
| 326 | 325 |
while left > 0: |
| 327 | 326 |
length = min(left, blocksize) |
| 328 |
sent = sendfile(dest.fileno(), source.fileno(), offset, |
|
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length) |
|
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sent = sendfile(dst.fileno(), src.fileno(), offset, length) |
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| 330 | 328 |
offset += sent |
| 331 | 329 |
left -= sent |
| 332 | 330 |
progressbar.goto((self.size - left) // 2 ** 20) |
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