Revision f2e07bb4
| b/lib/backend.py | ||
|---|---|---|
| 1526 | 1526 |
return bdev.FindDevice(disk.dev_type, disk.physical_id, children, disk.size) |
| 1527 | 1527 |
|
| 1528 | 1528 |
|
| 1529 |
def _OpenRealBD(disk): |
|
| 1530 |
"""Opens the underlying block device of a disk. |
|
| 1531 |
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|
| 1532 |
@type disk: L{objects.Disk}
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|
| 1533 |
@param disk: the disk object we want to open |
|
| 1534 |
|
|
| 1535 |
""" |
|
| 1536 |
real_disk = _RecursiveFindBD(disk) |
|
| 1537 |
if real_disk is None: |
|
| 1538 |
_Fail("Block device '%s' is not set up", disk)
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|
| 1539 |
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| 1540 |
real_disk.Open() |
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| 1541 |
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| 1542 |
return real_disk |
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| 1543 |
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| 1544 |
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| 1529 | 1545 |
def BlockdevFind(disk): |
| 1530 | 1546 |
"""Check if a device is activated. |
| 1531 | 1547 |
|
| ... | ... | |
| 1589 | 1605 |
@rtype: None |
| 1590 | 1606 |
|
| 1591 | 1607 |
""" |
| 1592 |
real_disk = _RecursiveFindBD(disk) |
|
| 1593 |
if real_disk is None: |
|
| 1594 |
_Fail("Block device '%s' is not set up", disk)
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| 1595 |
|
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| 1596 |
real_disk.Open() |
|
| 1608 |
real_disk = _OpenRealBD(disk) |
|
| 1597 | 1609 |
|
| 1598 | 1610 |
# the block size on the read dd is 1MiB to match our units |
| 1599 | 1611 |
expcmd = utils.BuildShellCmd("set -e; set -o pipefail; "
|
| ... | ... | |
| 1903 | 1915 |
variant = inst_os.supported_variants[0] |
| 1904 | 1916 |
result['OS_VARIANT'] = variant |
| 1905 | 1917 |
for idx, disk in enumerate(instance.disks): |
| 1906 |
real_disk = _RecursiveFindBD(disk) |
|
| 1907 |
if real_disk is None: |
|
| 1908 |
raise errors.BlockDeviceError("Block device '%s' is not set up" %
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|
| 1909 |
str(disk)) |
|
| 1910 |
real_disk.Open() |
|
| 1918 |
real_disk = _OpenRealBD(disk) |
|
| 1911 | 1919 |
result['DISK_%d_PATH' % idx] = real_disk.dev_path |
| 1912 | 1920 |
result['DISK_%d_ACCESS' % idx] = disk.mode |
| 1913 | 1921 |
if constants.HV_DISK_TYPE in instance.hvparams: |
| ... | ... | |
| 1937 | 1945 |
|
| 1938 | 1946 |
return result |
| 1939 | 1947 |
|
| 1948 |
|
|
| 1940 | 1949 |
def BlockdevGrow(disk, amount): |
| 1941 | 1950 |
"""Grow a stack of block devices. |
| 1942 | 1951 |
|
| ... | ... | |
| 2018 | 2027 |
logfile = _InstanceLogName("export", inst_os.name, instance.name)
|
| 2019 | 2028 |
if not os.path.exists(constants.LOG_OS_DIR): |
| 2020 | 2029 |
os.mkdir(constants.LOG_OS_DIR, 0750) |
| 2021 |
real_disk = _RecursiveFindBD(disk) |
|
| 2022 |
if real_disk is None: |
|
| 2023 |
_Fail("Block device '%s' is not set up", disk)
|
|
| 2024 | 2030 |
|
| 2025 |
real_disk.Open()
|
|
| 2031 |
real_disk = _OpenRealBD(disk)
|
|
| 2026 | 2032 |
|
| 2027 | 2033 |
export_env['EXPORT_DEVICE'] = real_disk.dev_path |
| 2028 | 2034 |
export_env['EXPORT_INDEX'] = str(idx) |
Also available in: Unified diff