def get_snapshot_xml(self, snap_info):
"""Libvirt snapshot XML"""
if 'diskType' in snap_info:
if self.diskType != snap_info['diskType']:
raise exception.UnsupportedOperation(
"Unexpected diskType",
drive_disk_type=self.diskType,
snapshot_disk_type=snap_info["diskType"])
if self.diskType == DISK_TYPE.NETWORK:
if self.protocol != snap_info['protocol']:
raise exception.UnsupportedOperation(
"Unexpected protocol",
drive_protocol=self.protocol,
snapshot_protocol=snap_info["protocol"])
disk = vmxml.Element('disk',
name=self.name,
snapshot='external',
type=self.diskType)
drive_info = snap_info.copy()
drive_info["diskType"] = self.diskType
snap_elem = _getSourceXML(drive_info)
# Type attribute is needed but not documented:
# https://bugzilla.redhat.com/1452103
snap_elem.setAttrs(type=self.diskType)
disk.appendChild(snap_elem)
return disk
def diskType(self, value):
if value not in SOURCE_ATTR:
raise exception.UnsupportedOperation("Unsupported diskType %r" %
value)
if self.device in ['cdrom', 'floppy'] and value != DISK_TYPE.FILE:
raise exception.UnsupportedOperation(
"diskType of %r can only be 'file'" % self.device)
if self._diskType is not None and self._diskType != value:
self.log.debug("Drive %s type changed from %r to %r", self.name,
self._diskType, value)
self._diskType = value
def wrapper(*a, **kw):
if not backup_enabled:
raise exception.UnsupportedOperation(
"Libvirt version doesn't support "
"incremental backup operations"
)
return f(*a, **kw)
def diskType(self, value):
if value not in SOURCE_ATTR:
raise exception.UnsupportedOperation("Unsupported diskType %r" %
value)
if self.device == 'floppy' and value != DISK_TYPE.FILE:
raise exception.UnsupportedOperation(
"diskType of device 'floppy' can only be 'file'")
# TODO: Check if a cdrom can be on network device
if self.device == 'cdrom' and value == DISK_TYPE.NETWORK:
raise exception.UnsupportedOperation(
"diskType of device 'cdrom' can not be 'network'")
if self._diskType is not None and self._diskType != value:
self.log.debug("Drive %s type changed from %r to %r", self.name,
self._diskType, value)
self._diskType = value
def prepareVolumePath(self, drive, vmId=None):
if type(drive) is dict:
device = drive['device']
# PDIV drive format
# Since version 4.2 cdrom may use a PDIV format
if device in ("cdrom", "disk") and isVdsmImage(drive):
res = self.irs.prepareImage(drive['domainID'], drive['poolID'],
drive['imageID'],
drive['volumeID'])
if res['status']['code']:
raise vm.VolumeError(drive)
# The order of imgVolumesInfo is not guaranteed
drive['volumeChain'] = res['imgVolumesInfo']
drive['volumeInfo'] = res['info']
if drive.get('diskType') == DISK_TYPE.NETWORK:
if device == "cdrom":
raise exception.UnsupportedOperation(
"A cdrom device is not supported as network disk",
drive=drive)
# Not applicable for Ceph network disk as
# Ceph disks are not vdsm images
volPath = self._prepare_network_drive(drive, res)
else:
if 'diskType' not in drive:
if res['info']['type'] == DISK_TYPE.BLOCK:
drive['diskType'] = DISK_TYPE.BLOCK
else:
# Volume type may be 'network', but if engine did
# not speicfy the type, we must use 'file'.
drive['diskType'] = DISK_TYPE.FILE
volPath = res['path']
# GUID drive format
elif "GUID" in drive:
res = self.irs.getDevicesVisibility([drive["GUID"]])
if not res["visible"][drive["GUID"]]:
raise vm.VolumeError("Drive %r not visible" %
drive["GUID"])
res = self.irs.appropriateDevice(drive["GUID"], vmId, 'mpath')
if res['status']['code']:
raise vm.VolumeError("Cannot appropriate drive %r" %
drive["GUID"])
# Update size for LUN volume
drive["truesize"] = res['truesize']
drive["apparentsize"] = res['apparentsize']
if 'diskType' not in drive:
drive['diskType'] = DISK_TYPE.BLOCK
volPath = res['path']
elif "RBD" in drive:
res = self.irs.appropriateDevice(drive["RBD"], vmId, 'rbd')
volPath = res['path']
# cdrom and floppy drives
elif (device in ('cdrom', 'floppy') and 'specParams' in drive):
params = drive['specParams']
if 'vmPayload' in params:
volPath = self._prepareVolumePathFromPayload(
vmId, device, params['vmPayload'])
# next line can be removed in future, when < 3.3 engine
# is not supported
elif (params.get('path', '') == ''
and drive.get('path', '') == ''):
volPath = ''
else:
volPath = drive.get('path', '')
elif "path" in drive:
volPath = drive['path']
else:
raise vm.VolumeError(drive)
# Noramalize the missing diskType when cluster version < 4.2.
if 'diskType' not in drive:
drive['diskType'] = DISK_TYPE.FILE
# For BC sake: None as argument
elif not drive:
volPath = drive
# For BC sake: path as a string.
elif os.path.exists(drive):
volPath = drive
else:
raise vm.VolumeError(drive)
self.log.info("prepared volume path: %s", volPath)
return volPath
def reduceVG(self, guid):
raise exception.UnsupportedOperation()
def movePV(self, src_device, dst_devices):
raise exception.UnsupportedOperation()
'haErr': exception.SetHAPolicyFailed().response(),
'cpuTuneErr': exception.CpuTuneError().response(),
'updateVmPolicyErr': exception.UpdateVMPolicyFailed().response(),
'updateIoTuneErr': exception.UpdateIOTuneError().response(),
'V2VConnection': exception.V2VConnectionError().response(),
'NoSuchJob': exception.NoSuchJob().response(),
'V2VNoSuchOvf': exception.V2VNoSuchOVF().response(),
'JobNotDone': exception.JobNotDone().response(),
'JobExists': exception.JobExists().response(),
'JobNotActive': exception.JobNotActive().response(),
'hotplugMem': exception.HotplugMemFailed().response(),
'ksmErr': exception.KSMUpdateFailed().response(),
'secretBadRequestErr': exception.BadSecretRequest().response(),
'secretRegisterErr': exception.SecretRegistrationFailed().response(),
'secretUnregisterErr': exception.SecretUnregistrationFailed().response(),
'unsupportedOperationErr': exception.UnsupportedOperation().response(),
'freezeErr': exception.FreezeGuestFSFailed().response(),
'thawErr': exception.ThawGuestFSFailed().response(),
'hookError': exception.HookFailed().response(),
'destVolumeTooSmall': exception.DestinationVolumeTooSmall().response(),
'AbortNotSupported': exception.AbortNotSupported().response(),
'migNotInProgress': exception.MigrationNotInProgress().response(),
'migrateLimit': exception.MigrationLimitExceeded().response(),
'recovery': exception.RecoveryInProgress().response(),
'hostdevDetachErr': exception.HostdevDetachFailed().response(),
}
doneCode = {'code': 0, 'message': 'Done'}
# exitCodes
ERROR = 1
