def clone(diskguid, snapshotid, devicename, pmachineguid, machinename, machineguid=None):
"""
Clone a disk
"""
pmachine = PMachine(pmachineguid)
hypervisor = Factory.get(pmachine)
description = '{} {}'.format(machinename, devicename)
properties_to_clone = ['description', 'size', 'type', 'retentionpolicyguid',
'snapshotpolicyguid', 'autobackup']
vdisk = VDisk(diskguid)
location = hypervisor.get_backing_disk_path(machinename, devicename)
new_vdisk = VDisk()
new_vdisk.copy(vdisk, include=properties_to_clone)
new_vdisk.parent_vdisk = vdisk
new_vdisk.name = '{0}-clone'.format(vdisk.name)
new_vdisk.description = description
new_vdisk.devicename = hypervisor.clean_backing_disk_filename(location)
new_vdisk.parentsnapshot = snapshotid
new_vdisk.vmachine = VMachine(machineguid) if machineguid else vdisk.vmachine
new_vdisk.vpool = vdisk.vpool
new_vdisk.save()
try:
storagedriver = StorageDriverList.get_by_storagedriver_id(vdisk.storagedriver_id)
if storagedriver is None:
raise RuntimeError('Could not find StorageDriver with id {0}'.format(vdisk.storagedriver_id))
mds_service = MDSServiceController.get_preferred_mds(storagedriver.storagerouter, vdisk.vpool)
if mds_service is None:
raise RuntimeError('Could not find a MDS service')
logger.info('Clone snapshot {} of disk {} to location {}'.format(snapshotid, vdisk.name, location))
volume_id = vdisk.storagedriver_client.create_clone(
target_path=location,
metadata_backend_config=MDSMetaDataBackendConfig([MDSNodeConfig(address=str(mds_service.service.storagerouter.ip),
port=mds_service.service.ports[0])]),
parent_volume_id=str(vdisk.volume_id),
parent_snapshot_id=str(snapshotid),
node_id=str(vdisk.storagedriver_id)
)
except Exception as ex:
logger.error('Caught exception during clone, trying to delete the volume. {0}'.format(ex))
new_vdisk.delete()
VDiskController.delete_volume(location)
raise
new_vdisk.volume_id = volume_id
new_vdisk.save()
try:
MDSServiceController.ensure_safety(new_vdisk)
except Exception as ex:
logger.error('Caught exception during "ensure_safety" {0}'.format(ex))
return {'diskguid': new_vdisk.guid,
'name': new_vdisk.name,
'backingdevice': location}
def create_from_template(diskguid, machinename, devicename, pmachineguid, machineguid=None, storagedriver_guid=None):
"""
Create a disk from a template
@param parentdiskguid: guid of the disk
@param location: location where virtual device should be created (eg: myVM)
@param devicename: device file name for the disk (eg: mydisk-flat.vmdk)
@param machineguid: guid of the machine to assign disk to
@return diskguid: guid of new disk
"""
pmachine = PMachine(pmachineguid)
hypervisor = Factory.get(pmachine)
disk_path = hypervisor.get_disk_path(machinename, devicename)
description = '{} {}'.format(machinename, devicename)
properties_to_clone = [
'description', 'size', 'type', 'retentionpolicyid',
'snapshotpolicyid', 'vmachine', 'vpool']
disk = VDisk(diskguid)
if disk.vmachine and not disk.vmachine.is_vtemplate:
# Disk might not be attached to a vmachine, but still be a template
raise RuntimeError('The given disk does not belong to a template')
if storagedriver_guid is not None:
storagedriver_id = StorageDriver(storagedriver_guid).storagedriver_id
else:
storagedriver_id = disk.storagedriver_id
new_disk = VDisk()
new_disk.copy(disk, include=properties_to_clone)
new_disk.vpool = disk.vpool
new_disk.devicename = hypervisor.clean_backing_disk_filename(disk_path)
new_disk.parent_vdisk = disk
new_disk.name = '{}-clone'.format(disk.name)
new_disk.description = description
new_disk.vmachine = VMachine(machineguid) if machineguid else disk.vmachine
new_disk.save()
logger.info('Create disk from template {} to new disk {} to location {}'.format(
disk.name, new_disk.name, disk_path
))
try:
volume_id = disk.storagedriver_client.create_clone_from_template(disk_path, str(disk.volume_id), node_id=str(storagedriver_id))
new_disk.volume_id = volume_id
new_disk.save()
except Exception as ex:
logger.error('Clone disk on volumedriver level failed with exception: {0}'.format(str(ex)))
new_disk.delete()
raise
return {'diskguid': new_disk.guid, 'name': new_disk.name,
'backingdevice': disk_path}
def clone(diskguid,
snapshotid,
devicename,
pmachineguid,
machinename,
machineguid=None,
**kwargs):
"""
Clone a disk
@param location: location where virtual device should be created (eg: myVM)
@param devicename: device file name for the disk (eg: mydisk-flat.vmdk)
@param parentdiskguid: guid of the disk
@param snapshotid: guid of the snapshot
@param machineguid: guid of the machine to assign disk to
"""
_ = kwargs
pmachine = PMachine(pmachineguid)
hypervisor = Factory.get(pmachine)
description = '{} {}'.format(machinename, devicename)
properties_to_clone = [
'description', 'size', 'type', 'retentionpolicyguid',
'snapshotpolicyguid', 'autobackup'
]
new_disk = VDisk()
disk = VDisk(diskguid)
_log = 'Clone snapshot {} of disk {} to location {}'
_location = hypervisor.get_backing_disk_path(machinename, devicename)
_id = '{}'.format(disk.volume_id)
_snap = '{}'.format(snapshotid)
logger.info(_log.format(_snap, disk.name, _location))
volume_id = disk.storagedriver_client.create_clone(
_location, _id, _snap)
new_disk.copy(disk, include=properties_to_clone)
new_disk.parent_vdisk = disk
new_disk.name = '{}-clone'.format(disk.name)
new_disk.description = description
new_disk.volume_id = volume_id
new_disk.devicename = hypervisor.clean_backing_disk_filename(_location)
new_disk.parentsnapshot = snapshotid
new_disk.vmachine = VMachine(
machineguid) if machineguid else disk.vmachine
new_disk.vpool = disk.vpool
new_disk.save()
return {
'diskguid': new_disk.guid,
'name': new_disk.name,
'backingdevice': _location
}
def clone(diskguid, snapshotid, devicename, pmachineguid, machinename, machineguid=None):
"""
Clone a disk
"""
pmachine = PMachine(pmachineguid)
hypervisor = Factory.get(pmachine)
description = "{} {}".format(machinename, devicename)
properties_to_clone = ["description", "size", "type", "retentionpolicyguid", "snapshotpolicyguid", "autobackup"]
vdisk = VDisk(diskguid)
location = hypervisor.get_backing_disk_path(machinename, devicename)
new_vdisk = VDisk()
new_vdisk.copy(vdisk, include=properties_to_clone)
new_vdisk.parent_vdisk = vdisk
new_vdisk.name = "{0}-clone".format(vdisk.name)
new_vdisk.description = description
new_vdisk.devicename = hypervisor.clean_backing_disk_filename(location)
new_vdisk.parentsnapshot = snapshotid
new_vdisk.vmachine = VMachine(machineguid) if machineguid else vdisk.vmachine
new_vdisk.vpool = vdisk.vpool
new_vdisk.save()
storagedriver = StorageDriverList.get_by_storagedriver_id(vdisk.storagedriver_id)
if storagedriver is None:
raise RuntimeError("Could not find StorageDriver with id {0}".format(vdisk.storagedriver_id))
mds_service = MDSServiceController.get_preferred_mds(storagedriver.storagerouter, vdisk.vpool)
if mds_service is None:
raise RuntimeError("Could not find a MDS service")
logger.info("Clone snapshot {} of disk {} to location {}".format(snapshotid, vdisk.name, location))
volume_id = vdisk.storagedriver_client.create_clone(
target_path=location,
metadata_backend_config=MDSMetaDataBackendConfig(
[MDSNodeConfig(address=str(mds_service.service.storagerouter.ip), port=mds_service.service.ports[0])]
),
parent_volume_id=str(vdisk.volume_id),
parent_snapshot_id=str(snapshotid),
node_id=str(vdisk.storagedriver_id),
)
new_vdisk.volume_id = volume_id
new_vdisk.save()
MDSServiceController.ensure_safety(new_vdisk)
return {"diskguid": new_vdisk.guid, "name": new_vdisk.name, "backingdevice": location}
def clone(diskguid, snapshotid, devicename, pmachineguid, machinename, machineguid=None, **kwargs):
"""
Clone a disk
@param location: location where virtual device should be created (eg: myVM)
@param devicename: device file name for the disk (eg: mydisk-flat.vmdk)
@param parentdiskguid: guid of the disk
@param snapshotid: guid of the snapshot
@param machineguid: guid of the machine to assign disk to
"""
_ = kwargs
pmachine = PMachine(pmachineguid)
hypervisor = Factory.get(pmachine)
description = '{} {}'.format(machinename, devicename)
properties_to_clone = ['description', 'size', 'type', 'retentionpolicyguid',
'snapshotpolicyguid', 'autobackup']
new_disk = VDisk()
disk = VDisk(diskguid)
_log = 'Clone snapshot {} of disk {} to location {}'
_location = hypervisor.get_backing_disk_path(machinename, devicename)
_id = '{}'.format(disk.volume_id)
_snap = '{}'.format(snapshotid)
logger.info(_log.format(_snap, disk.name, _location))
volume_id = disk.storagedriver_client.create_clone(_location, _id, _snap)
new_disk.copy(disk, include=properties_to_clone)
new_disk.parent_vdisk = disk
new_disk.name = '{}-clone'.format(disk.name)
new_disk.description = description
new_disk.volume_id = volume_id
new_disk.devicename = hypervisor.clean_backing_disk_filename(_location)
new_disk.parentsnapshot = snapshotid
new_disk.vmachine = VMachine(machineguid) if machineguid else disk.vmachine
new_disk.vpool = disk.vpool
new_disk.save()
return {'diskguid': new_disk.guid,
'name': new_disk.name,
'backingdevice': _location}
def create_from_template(diskguid, machinename, devicename, pmachineguid, machineguid=None, storagedriver_guid=None):
"""
Create a disk from a template
@param devicename: device file name for the disk (eg: mydisk-flat.vmdk)
@param machineguid: guid of the machine to assign disk to
@return diskguid: guid of new disk
"""
pmachine = PMachine(pmachineguid)
hypervisor = Factory.get(pmachine)
disk_path = hypervisor.get_disk_path(machinename, devicename)
description = '{} {}'.format(machinename, devicename)
properties_to_clone = [
'description', 'size', 'type', 'retentionpolicyid',
'snapshotpolicyid', 'vmachine', 'vpool']
vdisk = VDisk(diskguid)
if vdisk.vmachine and not vdisk.vmachine.is_vtemplate:
# Disk might not be attached to a vmachine, but still be a template
raise RuntimeError('The given vdisk does not belong to a template')
if storagedriver_guid is not None:
storagedriver_id = StorageDriver(storagedriver_guid).storagedriver_id
else:
storagedriver_id = vdisk.storagedriver_id
storagedriver = StorageDriverList.get_by_storagedriver_id(storagedriver_id)
if storagedriver is None:
raise RuntimeError('Could not find StorageDriver with id {0}'.format(storagedriver_id))
new_vdisk = VDisk()
new_vdisk.copy(vdisk, include=properties_to_clone)
new_vdisk.vpool = vdisk.vpool
new_vdisk.devicename = hypervisor.clean_backing_disk_filename(disk_path)
new_vdisk.parent_vdisk = vdisk
new_vdisk.name = '{}-clone'.format(vdisk.name)
new_vdisk.description = description
new_vdisk.vmachine = VMachine(machineguid) if machineguid else vdisk.vmachine
new_vdisk.save()
mds_service = MDSServiceController.get_preferred_mds(storagedriver.storagerouter, vdisk.vpool)
if mds_service is None:
raise RuntimeError('Could not find a MDS service')
logger.info('Create disk from template {} to new disk {} to location {}'.format(
vdisk.name, new_vdisk.name, disk_path
))
try:
volume_id = vdisk.storagedriver_client.create_clone_from_template(
target_path=disk_path,
metadata_backend_config=MDSMetaDataBackendConfig([MDSNodeConfig(address=str(mds_service.service.storagerouter.ip),
port=mds_service.service.ports[0])]),
parent_volume_id=str(vdisk.volume_id),
node_id=str(storagedriver_id)
)
new_vdisk.volume_id = volume_id
new_vdisk.save()
MDSServiceController.ensure_safety(new_vdisk)
except Exception as ex:
logger.error('Clone disk on volumedriver level failed with exception: {0}'.format(str(ex)))
new_vdisk.delete()
raise
return {'diskguid': new_vdisk.guid, 'name': new_vdisk.name,
'backingdevice': disk_path}
def create_from_template(diskguid, devicename, pmachineguid, machinename='', machineguid=None):
"""
Create a disk from a template
:param diskguid: Guid of the disk
:param machinename: Name of the machine
:param devicename: Device file name for the disk (eg: my_disk-flat.vmdk)
:param pmachineguid: Guid of pmachine to create new vdisk on
:param machineguid: Guid of the machine to assign disk to
:return diskguid: Guid of new disk
"""
pmachine = PMachine(pmachineguid)
hypervisor = Factory.get(pmachine)
if machineguid is not None:
new_vdisk_vmachine = VMachine(machineguid)
machinename = new_vdisk_vmachine.name
disk_path = hypervisor.get_disk_path(machinename, devicename)
description = '{0} {1}'.format(machinename, devicename)
properties_to_clone = [
'description', 'size', 'type', 'retentionpolicyid',
'snapshotpolicyid', 'vmachine', 'vpool']
vdisk = VDisk(diskguid)
if vdisk.vmachine and not vdisk.vmachine.is_vtemplate:
# Disk might not be attached to a vmachine, but still be a template
raise RuntimeError('The given vdisk does not belong to a template')
if not vdisk.is_vtemplate:
raise RuntimeError('The given vdisk is not a template')
storagedriver = None
for sd in vdisk.vpool.storagedrivers:
if sd.storagerouter_guid in pmachine.storagerouters_guids:
storagedriver = sd
break
if storagedriver is None:
raise RuntimeError('Could not find Storage Driver')
new_vdisk = VDisk()
new_vdisk.copy(vdisk, include=properties_to_clone)
new_vdisk.vpool = vdisk.vpool
new_vdisk.devicename = hypervisor.clean_backing_disk_filename(disk_path)
new_vdisk.parent_vdisk = vdisk
new_vdisk.name = '{0}-clone'.format(vdisk.name)
new_vdisk.description = description
new_vdisk.vmachine = new_vdisk_vmachine if machineguid else vdisk.vmachine
new_vdisk.save()
mds_service = MDSServiceController.get_preferred_mds(storagedriver.storagerouter, new_vdisk.vpool)
if mds_service is None:
raise RuntimeError('Could not find a MDS service')
logger.info('Create disk from template {0} to new disk {1} to location {2}'.format(vdisk.name, new_vdisk.name, disk_path))
try:
backend_config = MDSNodeConfig(address=str(mds_service.service.storagerouter.ip),
port=mds_service.service.ports[0])
volume_id = vdisk.storagedriver_client.create_clone_from_template(target_path=disk_path,
metadata_backend_config=MDSMetaDataBackendConfig([backend_config]),
parent_volume_id=str(vdisk.volume_id),
node_id=str(storagedriver.storagedriver_id))
new_vdisk.volume_id = volume_id
new_vdisk.save()
MDSServiceController.ensure_safety(new_vdisk)
VDiskController.dtl_checkup.delay(vdisk_guid=new_vdisk.guid)
except Exception as ex:
logger.error('Clone disk on volumedriver level failed with exception: {0}'.format(str(ex)))
try:
VDiskController.clean_bad_disk(new_vdisk.guid)
except Exception as ex2:
logger.exception('Exception during exception handling of "create_clone_from_template" : {0}'.format(str(ex2)))
raise ex
return {'diskguid': new_vdisk.guid, 'name': new_vdisk.name,
'backingdevice': disk_path}
def clone(diskguid, snapshotid, devicename, pmachineguid, machinename=None, machineguid=None, detached=False):
"""
Clone a disk
:param diskguid: Guid of the disk to clone
:param snapshotid: ID of the snapshot to clone from
:param devicename: Name of the device to use in clone's description
:param pmachineguid: Guid of the physical machine
:param machinename: Name of the machine the disk is attached to
:param machineguid: Guid of the machine
:param detached: Boolean indicating the disk is attached to a machine or not
"""
# 1. Validations
name_regex = "^[0-9a-zA-Z][-_a-zA-Z0-9]{1,48}[a-zA-Z0-9]$"
if not re.match(name_regex, devicename):
raise RuntimeError("Invalid name for virtual disk clone")
if VDiskList.get_vdisk_by_name(vdiskname=devicename) is not None:
raise RuntimeError("A virtual disk with this name already exists")
vdisk = VDisk(diskguid)
storagedriver = StorageDriverList.get_by_storagedriver_id(vdisk.storagedriver_id)
if storagedriver is None:
raise RuntimeError('Could not find StorageDriver with ID {0}'.format(vdisk.storagedriver_id))
if machineguid is not None and detached is True:
raise ValueError('A vMachine GUID was specified while detached is True')
# 2. Create new snapshot if required
if snapshotid is None:
timestamp = str(int(time.time()))
metadata = {'label': '',
'is_consistent': False,
'timestamp': timestamp,
'machineguid': machineguid,
'is_automatic': True}
sd_snapshot_id = VDiskController.create_snapshot(diskguid, metadata)
tries = 25 # 5 minutes
while snapshotid is None and tries > 0:
time.sleep(25 - tries)
tries -= 1
vdisk.invalidate_dynamics(['snapshots'])
for snapshot in vdisk.snapshots:
if snapshot['guid'] != sd_snapshot_id:
continue
if snapshot['in_backend'] is True:
snapshotid = snapshot['guid']
if snapshotid is None:
try:
VDiskController.delete_snapshot(diskguid=diskguid,
snapshotid=sd_snapshot_id)
except:
pass
raise RuntimeError('Could not find created snapshot in time')
# 3. Model new cloned virtual disk
hypervisor = Factory.get(PMachine(pmachineguid))
location = hypervisor.get_disk_path(machinename, devicename)
new_vdisk = VDisk()
new_vdisk.copy(vdisk, include=['description', 'size', 'type', 'retentionpolicyguid', 'snapshotpolicyguid', 'autobackup'])
new_vdisk.parent_vdisk = vdisk
new_vdisk.name = devicename
new_vdisk.description = devicename if machinename is None else '{0} {1}'.format(machinename, devicename)
new_vdisk.devicename = hypervisor.clean_backing_disk_filename(location)
new_vdisk.parentsnapshot = snapshotid
if detached is False:
new_vdisk.vmachine = VMachine(machineguid) if machineguid else vdisk.vmachine
new_vdisk.vpool = vdisk.vpool
new_vdisk.save()
# 4. Configure Storage Driver
try:
mds_service = MDSServiceController.get_preferred_mds(storagedriver.storagerouter, vdisk.vpool)
if mds_service is None:
raise RuntimeError('Could not find a MDS service')
logger.info('Clone snapshot {0} of disk {1} to location {2}'.format(snapshotid, vdisk.name, location))
backend_config = MDSMetaDataBackendConfig([MDSNodeConfig(address=str(mds_service.service.storagerouter.ip),
port=mds_service.service.ports[0])])
volume_id = vdisk.storagedriver_client.create_clone(target_path=location,
metadata_backend_config=backend_config,
parent_volume_id=str(vdisk.volume_id),
parent_snapshot_id=str(snapshotid),
node_id=str(vdisk.storagedriver_id))
except Exception as ex:
logger.error('Caught exception during clone, trying to delete the volume. {0}'.format(ex))
try:
VDiskController.clean_bad_disk(new_vdisk.guid)
except Exception as ex2:
logger.exception('Exception during exception handling of "create_clone_from_template" : {0}'.format(str(ex2)))
raise
new_vdisk.volume_id = volume_id
new_vdisk.save()
# 5. Check MDS & DTL for new clone
try:
MDSServiceController.ensure_safety(new_vdisk)
except Exception as ex:
logger.error('Caught exception during "ensure_safety" {0}'.format(ex))
VDiskController.dtl_checkup.delay(vdisk_guid=new_vdisk.guid)
return {'diskguid': new_vdisk.guid,
'name': new_vdisk.name,
'backingdevice': location}
def clone(diskguid, snapshotid, devicename, pmachineguid, machinename=None, machineguid=None, detached=False):
"""
Clone a disk
"""
pmachine = PMachine(pmachineguid)
hypervisor = Factory.get(pmachine)
if machinename is None:
description = devicename
else:
description = '{0} {1}'.format(machinename, devicename)
properties_to_clone = ['description', 'size', 'type', 'retentionpolicyguid',
'snapshotpolicyguid', 'autobackup']
vdisk = VDisk(diskguid)
location = hypervisor.get_backing_disk_path(machinename, devicename)
if machineguid is not None and detached is True:
raise ValueError('A vMachine GUID was specified while detached is True')
if snapshotid is None:
# Create a new snapshot
timestamp = str(int(time.time()))
metadata = {'label': '',
'is_consistent': False,
'timestamp': timestamp,
'machineguid': machineguid,
'is_automatic': True}
VDiskController.create_snapshot(diskguid, metadata)
tries = 25 # About 5 minutes
while snapshotid is None and tries > 0:
tries -= 1
time.sleep(25 - tries)
vdisk.invalidate_dynamics(['snapshots'])
snapshots = [snapshot for snapshot in vdisk.snapshots
if snapshot['in_backend'] is True and snapshot['timestamp'] == timestamp]
if len(snapshots) == 1:
snapshotid = snapshots[0]['guid']
if snapshotid is None:
raise RuntimeError('Could not find created snapshot in time')
new_vdisk = VDisk()
new_vdisk.copy(vdisk, include=properties_to_clone)
new_vdisk.parent_vdisk = vdisk
new_vdisk.name = '{0}-clone'.format(vdisk.name)
new_vdisk.description = description
new_vdisk.devicename = hypervisor.clean_backing_disk_filename(location)
new_vdisk.parentsnapshot = snapshotid
if detached is False:
new_vdisk.vmachine = VMachine(machineguid) if machineguid else vdisk.vmachine
new_vdisk.vpool = vdisk.vpool
new_vdisk.save()
try:
storagedriver = StorageDriverList.get_by_storagedriver_id(vdisk.storagedriver_id)
if storagedriver is None:
raise RuntimeError('Could not find StorageDriver with id {0}'.format(vdisk.storagedriver_id))
mds_service = MDSServiceController.get_preferred_mds(storagedriver.storagerouter, vdisk.vpool)
if mds_service is None:
raise RuntimeError('Could not find a MDS service')
logger.info('Clone snapshot {0} of disk {1} to location {2}'.format(snapshotid, vdisk.name, location))
volume_id = vdisk.storagedriver_client.create_clone(
target_path=location,
metadata_backend_config=MDSMetaDataBackendConfig([MDSNodeConfig(address=str(mds_service.service.storagerouter.ip),
port=mds_service.service.ports[0])]),
parent_volume_id=str(vdisk.volume_id),
parent_snapshot_id=str(snapshotid),
node_id=str(vdisk.storagedriver_id)
)
except Exception as ex:
logger.error('Caught exception during clone, trying to delete the volume. {0}'.format(ex))
new_vdisk.delete()
VDiskController.delete_volume(location)
raise
new_vdisk.volume_id = volume_id
new_vdisk.save()
try:
MDSServiceController.ensure_safety(new_vdisk)
except Exception as ex:
logger.error('Caught exception during "ensure_safety" {0}'.format(ex))
return {'diskguid': new_vdisk.guid,
'name': new_vdisk.name,
'backingdevice': location}
def create_from_template(diskguid,
machinename,
devicename,
pmachineguid,
machineguid=None,
storagedriver_guid=None):
"""
Create a disk from a template
@param parentdiskguid: guid of the disk
@param location: location where virtual device should be created (eg: myVM)
@param devicename: device file name for the disk (eg: mydisk-flat.vmdk)
@param machineguid: guid of the machine to assign disk to
@return diskguid: guid of new disk
"""
pmachine = PMachine(pmachineguid)
hypervisor = Factory.get(pmachine)
disk_path = hypervisor.get_disk_path(machinename, devicename)
description = '{} {}'.format(machinename, devicename)
properties_to_clone = [
'description', 'size', 'type', 'retentionpolicyid',
'snapshotpolicyid', 'vmachine', 'vpool'
]
disk = VDisk(diskguid)
if disk.vmachine and not disk.vmachine.is_vtemplate:
# Disk might not be attached to a vmachine, but still be a template
raise RuntimeError('The given disk does not belong to a template')
if storagedriver_guid is not None:
storagedriver_id = StorageDriver(
storagedriver_guid).storagedriver_id
else:
storagedriver_id = disk.storagedriver_id
new_disk = VDisk()
new_disk.copy(disk, include=properties_to_clone)
new_disk.vpool = disk.vpool
new_disk.devicename = hypervisor.clean_backing_disk_filename(disk_path)
new_disk.parent_vdisk = disk
new_disk.name = '{}-clone'.format(disk.name)
new_disk.description = description
new_disk.vmachine = VMachine(
machineguid) if machineguid else disk.vmachine
new_disk.save()
logger.info(
'Create disk from template {} to new disk {} to location {}'.
format(disk.name, new_disk.name, disk_path))
try:
volume_id = disk.storagedriver_client.create_clone_from_template(
disk_path, str(disk.volume_id), node_id=str(storagedriver_id))
new_disk.volume_id = volume_id
new_disk.save()
except Exception as ex:
logger.error(
'Clone disk on volumedriver level failed with exception: {0}'.
format(str(ex)))
new_disk.delete()
raise
return {
'diskguid': new_disk.guid,
'name': new_disk.name,
'backingdevice': disk_path
}
def create_from_template(
diskguid, machinename, devicename, pmachineguid, machineguid=None, storagedriver_guid=None
):
"""
Create a disk from a template
@param parentdiskguid: guid of the disk
@param location: location where virtual device should be created (eg: myVM)
@param devicename: device file name for the disk (eg: mydisk-flat.vmdk)
@param machineguid: guid of the machine to assign disk to
@return diskguid: guid of new disk
"""
pmachine = PMachine(pmachineguid)
hypervisor = Factory.get(pmachine)
disk_path = hypervisor.get_disk_path(machinename, devicename)
description = "{} {}".format(machinename, devicename)
properties_to_clone = [
"description",
"size",
"type",
"retentionpolicyid",
"snapshotpolicyid",
"vmachine",
"vpool",
]
vdisk = VDisk(diskguid)
if vdisk.vmachine and not vdisk.vmachine.is_vtemplate:
# Disk might not be attached to a vmachine, but still be a template
raise RuntimeError("The given vdisk does not belong to a template")
if storagedriver_guid is not None:
storagedriver_id = StorageDriver(storagedriver_guid).storagedriver_id
else:
storagedriver_id = vdisk.storagedriver_id
storagedriver = StorageDriverList.get_by_storagedriver_id(storagedriver_id)
if storagedriver is None:
raise RuntimeError("Could not find StorageDriver with id {0}".format(storagedriver_id))
new_vdisk = VDisk()
new_vdisk.copy(vdisk, include=properties_to_clone)
new_vdisk.vpool = vdisk.vpool
new_vdisk.devicename = hypervisor.clean_backing_disk_filename(disk_path)
new_vdisk.parent_vdisk = vdisk
new_vdisk.name = "{}-clone".format(vdisk.name)
new_vdisk.description = description
new_vdisk.vmachine = VMachine(machineguid) if machineguid else vdisk.vmachine
new_vdisk.save()
mds_service = MDSServiceController.get_preferred_mds(storagedriver.storagerouter, vdisk.vpool)
if mds_service is None:
raise RuntimeError("Could not find a MDS service")
logger.info(
"Create disk from template {} to new disk {} to location {}".format(vdisk.name, new_vdisk.name, disk_path)
)
try:
volume_id = vdisk.storagedriver_client.create_clone_from_template(
target_path=disk_path,
metadata_backend_config=MDSMetaDataBackendConfig(
[
MDSNodeConfig(
address=str(mds_service.service.storagerouter.ip), port=mds_service.service.ports[0]
)
]
),
parent_volume_id=str(vdisk.volume_id),
node_id=str(storagedriver_id),
)
new_vdisk.volume_id = volume_id
new_vdisk.save()
MDSServiceController.ensure_safety(new_vdisk)
except Exception as ex:
logger.error("Clone disk on volumedriver level failed with exception: {0}".format(str(ex)))
new_vdisk.delete()
raise
# Allow "regular" users to use this volume
# Do not use run for other user than ovs as it blocks asking for root password
# Do not use run_local for other user as it doesn't have permission
# So this method only works if this is called by root or ovs
storagerouter = StorageRouter(new_vdisk.storagerouter_guid)
mountpoint = storagedriver.mountpoint
location = "{0}{1}".format(mountpoint, disk_path)
client = SSHClient.load(storagerouter.pmachine.ip)
print(client.run('chmod 664 "{0}"'.format(location)))
print(client.run('chown ovs:ovs "{0}"'.format(location)))
return {"diskguid": new_vdisk.guid, "name": new_vdisk.name, "backingdevice": disk_path}
def create_from_template(diskguid,
machinename,
devicename,
pmachineguid,
machineguid=None,
storagedriver_guid=None):
"""
Create a disk from a template
@param devicename: device file name for the disk (eg: mydisk-flat.vmdk)
@param machineguid: guid of the machine to assign disk to
@return diskguid: guid of new disk
"""
pmachine = PMachine(pmachineguid)
hypervisor = Factory.get(pmachine)
disk_path = hypervisor.get_disk_path(machinename, devicename)
description = '{} {}'.format(machinename, devicename)
properties_to_clone = [
'description', 'size', 'type', 'retentionpolicyid',
'snapshotpolicyid', 'vmachine', 'vpool'
]
vdisk = VDisk(diskguid)
if vdisk.vmachine and not vdisk.vmachine.is_vtemplate:
# Disk might not be attached to a vmachine, but still be a template
raise RuntimeError('The given vdisk does not belong to a template')
if storagedriver_guid is not None:
storagedriver_id = StorageDriver(
storagedriver_guid).storagedriver_id
else:
storagedriver_id = vdisk.storagedriver_id
storagedriver = StorageDriverList.get_by_storagedriver_id(
storagedriver_id)
if storagedriver is None:
raise RuntimeError(
'Could not find StorageDriver with id {0}'.format(
storagedriver_id))
new_vdisk = VDisk()
new_vdisk.copy(vdisk, include=properties_to_clone)
new_vdisk.vpool = vdisk.vpool
new_vdisk.devicename = hypervisor.clean_backing_disk_filename(
disk_path)
new_vdisk.parent_vdisk = vdisk
new_vdisk.name = '{}-clone'.format(vdisk.name)
new_vdisk.description = description
new_vdisk.vmachine = VMachine(
machineguid) if machineguid else vdisk.vmachine
new_vdisk.save()
mds_service = MDSServiceController.get_preferred_mds(
storagedriver.storagerouter, vdisk.vpool)
if mds_service is None:
raise RuntimeError('Could not find a MDS service')
logger.info(
'Create disk from template {} to new disk {} to location {}'.
format(vdisk.name, new_vdisk.name, disk_path))
try:
volume_id = vdisk.storagedriver_client.create_clone_from_template(
target_path=disk_path,
metadata_backend_config=MDSMetaDataBackendConfig([
MDSNodeConfig(address=str(
mds_service.service.storagerouter.ip),
port=mds_service.service.ports[0])
]),
parent_volume_id=str(vdisk.volume_id),
node_id=str(storagedriver_id))
new_vdisk.volume_id = volume_id
new_vdisk.save()
MDSServiceController.ensure_safety(new_vdisk)
except Exception as ex:
logger.error(
'Clone disk on volumedriver level failed with exception: {0}'.
format(str(ex)))
new_vdisk.delete()
raise
return {
'diskguid': new_vdisk.guid,
'name': new_vdisk.name,
'backingdevice': disk_path
}
def clone(diskguid,
snapshotid,
devicename,
pmachineguid,
machinename,
machineguid=None):
"""
Clone a disk
"""
pmachine = PMachine(pmachineguid)
hypervisor = Factory.get(pmachine)
description = '{} {}'.format(machinename, devicename)
properties_to_clone = [
'description', 'size', 'type', 'retentionpolicyguid',
'snapshotpolicyguid', 'autobackup'
]
vdisk = VDisk(diskguid)
location = hypervisor.get_backing_disk_path(machinename, devicename)
new_vdisk = VDisk()
new_vdisk.copy(vdisk, include=properties_to_clone)
new_vdisk.parent_vdisk = vdisk
new_vdisk.name = '{0}-clone'.format(vdisk.name)
new_vdisk.description = description
new_vdisk.devicename = hypervisor.clean_backing_disk_filename(location)
new_vdisk.parentsnapshot = snapshotid
new_vdisk.vmachine = VMachine(
machineguid) if machineguid else vdisk.vmachine
new_vdisk.vpool = vdisk.vpool
new_vdisk.save()
try:
storagedriver = StorageDriverList.get_by_storagedriver_id(
vdisk.storagedriver_id)
if storagedriver is None:
raise RuntimeError(
'Could not find StorageDriver with id {0}'.format(
vdisk.storagedriver_id))
mds_service = MDSServiceController.get_preferred_mds(
storagedriver.storagerouter, vdisk.vpool)
if mds_service is None:
raise RuntimeError('Could not find a MDS service')
logger.info('Clone snapshot {} of disk {} to location {}'.format(
snapshotid, vdisk.name, location))
volume_id = vdisk.storagedriver_client.create_clone(
target_path=location,
metadata_backend_config=MDSMetaDataBackendConfig([
MDSNodeConfig(address=str(
mds_service.service.storagerouter.ip),
port=mds_service.service.ports[0])
]),
parent_volume_id=str(vdisk.volume_id),
parent_snapshot_id=str(snapshotid),
node_id=str(vdisk.storagedriver_id))
except Exception as ex:
logger.error(
'Caught exception during clone, trying to delete the volume. {0}'
.format(ex))
new_vdisk.delete()
VDiskController.delete_volume(location)
raise
new_vdisk.volume_id = volume_id
new_vdisk.save()
try:
MDSServiceController.ensure_safety(new_vdisk)
except Exception as ex:
logger.error(
'Caught exception during "ensure_safety" {0}'.format(ex))
return {
'diskguid': new_vdisk.guid,
'name': new_vdisk.name,
'backingdevice': location
}
