def read_password(path, default=None):
"""
Return ProtectedPassword wrapping value of a sysfs attribute, or default if
default is specified and the attribute does not exists.
Raises:
EnviromentError if reading the attribute fails, or default was not
specified and the attribute does not exist.
"""
value = read(path, default)
return password.ProtectedPassword(value)
def __init__(self, vminfo, vmid, irs):
self._vminfo = vminfo
self._vmid = vmid
self._irs = irs
self._prepared_volumes = []
self._passwd_file = os.path.join(_V2V_DIR, "%s.tmp" % vmid)
self._password = password.ProtectedPassword('')
self._base_command = [_VIRT_V2V.cmd, '-v', '-x']
self._query_v2v_caps()
if 'qcow2_compat' in vminfo:
qcow2_compat = vminfo['qcow2_compat']
if qcow2_compat not in _QCOW2_COMPAT_SUPPORTED:
logging.error('Invalid QCOW2 compat version %r' % qcow2_compat)
raise ValueError('Invalid QCOW2 compat version %r' %
qcow2_compat)
if 'vdsm-compat-option' in self._v2v_caps:
self._base_command.extend(['--vdsm-compat', qcow2_compat])
elif qcow2_compat != '0.10':
# Note: qcow2 is only a suggestion from the engine
# if virt-v2v doesn't support it we fall back to default
logging.info(
'virt-v2v not supporting qcow2 compat version: '
'%r', qcow2_compat)
def read_tpm_data(vm_id, last_modified):
"""
Return TPM data of the given VM.
If data is not newer than `last_modified`, return None.
In addition to data, the last detected data modification time is
returned; the returned data may be newer, but never older than the
returned time.
:param vm_id: VM id
:type vm_id: string
:param last_modified: if data file system time stamp is not
newer than this time in seconds, None is returned
:type last_modified: float
:returns: tuple (DATA, MODIFIED) where DATA is encoded TPM data suitable to
use in `write_tpm_data()`, wrapped by `password.ProtectedPassword`,
or None, and MODIFIED is DATA modification time (which may be older than
actual modification time)
:rtype: tuple
"""
accessor = filedata.DirectoryData(filedata.tpm_path(vm_id), compress=False)
currently_modified = accessor.last_modified()
data = accessor.retrieve(last_modified=last_modified)
return password.ProtectedPassword(data), currently_modified
'displayPort': -1,
'displaySecurePort': -1,
'display': 'qxl',
'displayIp': '127.0.0.1',
'vmType': 'kvm',
'memSize': 1024
}
_TICKET_PARAMS = {
'userName': '******',
'userId': 'fdfc627c-d875-11e0-90f0-83df133b58cc'
}
_GRAPHICS_DEVICE_PARAMS = {
'deviceType': hwclass.GRAPHICS,
'password': password.ProtectedPassword('12345678'),
'ttl': 0,
'existingConnAction': 'disconnect',
'params': _TICKET_PARAMS
}
@expandPermutations
class TestVmOperations(XMLTestCase):
# just numbers, no particular meaning
UPDATE_OFFSETS = [-3200, 3502, -2700, 3601]
BASE_OFFSET = 42
VNC_DEVICE = {'type': 'graphics', 'device': 'vnc', 'port': '-1'}
SPICE_DEVICE = {'type': 'graphics', 'device': 'spice', 'port': '-1'}
def read_nvram_data(vm_id, last_modified):
accessor = filedata.FileData(filedata.nvram_path(vm_id))
currently_modified = accessor.last_modified()
data = accessor.retrieve(last_modified=last_modified)
return password.ProtectedPassword(data), currently_modified
def test_read_password_missing_default(self):
self.assertEqual(sysfs.read_password("/no/such/path", ""),
password.ProtectedPassword(""))
def test_read_password_strip(self):
with temporaryPath(data=b" password\n ") as path:
self.assertEqual(sysfs.read_password(path),
password.ProtectedPassword("password"))
